"二羽淳一郎,丸屋剛,石田哲也,中村光,玉井真一,岩波光保,藤山知加子","2022 年制定土木学会コンクリート標準示方書改訂の概要（その2）─設計編について─",,"コンクリート工学",,"Vol. 61","No. 11","pp. 990-995",2023,Nov.
"N. Hemstapat,K. Okubo,J. Niwa,M. Iwanami","The Shear Capacity Estimation of Reinforced Concrete Short Beams with Steel Fiber by Digital Image Correlation Approach",,"International Journal of Concrete Structures and Materials",,"Vol. 17",,,2023,June
"二羽淳一郎","最近10年間の土木分野のPC技術を振り返って",,"プレストレストコンクリート",,"Vol. 61","No. 2","pp. 22-27",2019,Mar.
"Hemstapat N.,Nakamura T.,Yanagida R.,Niwa J.","Shear Capacity of High Strength Reinforced Cocrete Beams with Steel Fiber","fib Congress 2018","Proceedings for the 2018 fib congress held in Melbourne",,,,,2018,Oct.
"Togtokhbayar Baasansuren,Yamagishi Kenji,Yamashita Yuki,Niwa Junichiro.","Shear behavior of RC tapered beams with stirrups,",,"土木学会 第73回年次学術講演会公演概要集",,,,"pp. 1023-1024",2018,Aug.
"小林研太,中村拓郎,二羽淳一郎.","T形断面を有するRCはりのせん断破壊におけるフランジ幅と厚さの影響","土木学会 第73回年次学術講演会","土木学会 第73回年次学術講演会公演概要集",,,,"pp. 991-992",2018,Aug.
"Devin Gunawan,中村拓郎,二羽淳一郎","Reinforcing Effects of Stirrups on Concrete Contribution in Shear","コンクリート工学年次大会2018（神戸）","コンクリート工学年次論文集",,"Vol. 40","No. 2","pp. 655-660",2018,July
"森敬倫,中村拓郎,松本智夫,二羽淳一郎","モルタル充てん継手が接合目地を有するRCはりのせん断性状に及ぼす影響","コンクリート工学年次大会2018（神戸）","コンクリート工学年次論文集",,,,,2018,July
"柳田龍平,中村拓郎,河野克哉,二羽淳一郎","繊維補強した無孔性コンクリートを用いた外ケーブル方式セグメントはりの耐荷性能",,"コンクリート工学論文集",,"Vol. 29",,"pp. 41-54",2018,July
"河野克哉,柳田龍平,安田瑛紀,中村拓郎,森香奈子,多田克彦,二羽淳一郎","外ケーブル方式繊維補強PFC?梁の力学特性",,"太平洋セメント研究報告",,,"No. 174","pp. 12-23",2018,July
"中村拓郎,二羽淳一郎","圧縮フランジを有するT形はりのせん断耐力に関する解析的検討","コンクリート工学年次大会2018（神戸）","コンクリート工学年次大会論文集",,"Vol. 40","No. 2","pp. 649-654",2018,July
"林佑希子,中村拓郎,安田瑛紀,二羽淳一郎","定応力繰返し圧縮載荷を受けたPFCの圧縮特性","コンクリート工学年次大会2018（神戸）","コンクリート工学年次論文集",,"Vol. 40","No. 2","pp. 429-434",2018,July
"川原崇洋,中村拓郎,二羽淳一郎","変断面PCはりのせん断耐荷挙動に関する実験的研究","コンクリート工学年次大会2018（神戸）","コンクリート工学年次論文集",,"Vol. 40","No. 2","pp. 409-414",2018,July
"柳田龍平,中村拓郎,河野克哉,二羽淳一郎","鋼繊維で補強した無孔性コンクリートの圧縮・引張に対する力学モデル",,"土木学会論文集E2（材料・コンクリート構造）",,"Vol. 74","No. 1","pp. 10-20",2018,Jan.
"Ryohei Yanagida,Takuro Nakamura,Katsuya Kono,Junichiro Niwa","Mechanical Properties of Fiber Reinforced Pore Free Concrete with High Strength Matrix above 400 MPa","UFPFRC2017","Proceedings of the AFGC-ACI-fib-RILEM International Conference on UHPFRC",,,,"pp. 93-101",2017,Oct.
"Sirapong SUWANPANJASIL,Takuro NAKAMURA,Koji MATSUMOTO,Junichiro NIWA","REPLACEMENT OF CONVENTIONAL STEEL STIRRUPS BY INTERNAL REINFORCING CFRP GRIDS IN SHEAR OF CONCRETE BEAMS",,"Journal of JSCE",,"Vol. 5","No. 1","pp. 377-391",2017,Oct.
"Tanapon PATIPONG,Teng SHUO,Takuro NAKAMURA,Toshio MATSUMOTO,Junichiro Niwa","FLEXURAL BEHAVIOR OF RC BEAMS WITH CONNECTION USING MORTAR GROUTED SLEEVES","EASEC-15","Proceedings of EASEC-15",,,,"pp. 1399-1405",2017,Oct.
"川原崇洋,中村拓郎,二羽淳一郎","変断面ＰＣはりのせん断耐力に対するプレストレスの影響","第26回プレストレストコンクリートの発展に関するシンポジウム","第26回プレストレストコンクリートの発展に関するシンポジウム論文集",,,,"pp. 123-128",2017,Oct.
"Limpaninlachat, P.,Nakamura, T.,Kono, K.,Niwa, J.","Shear Strengthening Performance of Post-tensioned UFC Panel on Reinforced Concrete Beams,",,"Journal of Advanced Concrete Technology",,"Vol. 15","No. 9","pp. 558-573",2017,Sept.
"中村 麻美,中村 拓郎,二羽 淳一郎","せん断スパン比とせん断補強鉄筋比の異なるT形RCはりのせん断耐荷機構",,"土木学会論文集E2（材料・コンクリート構造）",,"Vol. 73","No. 3","pp. 337-347",2017,Sept.
"Teng Shuo,Takuro Nakamura,JUNICHIRO NIWA","Shear behavior of RC tapered beams with stirrups","土木学会 第72回年次学術講演会","土木学会 第72回年次学術講演会公演概要集",,,,"pp. 123-124",2017,Sept.
"林佑希子,河野克哉,二羽淳一郎,中村拓郎,柳田龍平","端面摩擦が無孔性コンクリートの圧縮破壊挙動に及ぼす影響","土木学会 第72回年次学術講演会","土木学会 第72回年次学術講演会公演概要集",,,,"pp. 777-778",2017,Sept.
"森敬倫,中村拓郎,松本智夫,二羽淳一郎","接合目地とモルタル充てん継手を有するRCはりのせん断性状","コンクリート工学年次大会2017(仙台)","コンクリート工学年次論文集",,"Vol. 39","No. 2","pp. 469-474",2017,July
"Huimin WANG,Takuro NAKAMURA,Yoshinori TAKAMATU,Junichiro NIWA","FLEXURAL PERFORMANCE OF RC BEAMS WITH INTERFACE AND VARIOUS CONNECTIONS","コンクリート工学年次大会2017(仙台)","コンクリート工学年次論文集",,"Vol. 39","No. 2","pp. 421-426",2017,July
"Chihhsuan CHANG,Takuro NAKAMURA,Shinichi USUBA,Junichiro NIWA","SHEAR BEHAVIOR OF UFC-RC HYBRID BEAMS WITH PBO FIBER","コンクリート工学年次大会2017(仙台)","コンクリート工学年次論文集",,"Vol. 39","No. 2","pp. 1345-1350",2017,July
"中村拓郎,中村麻美,二羽淳一郎","せん断補強鉄筋を有するＴ形RCはりのせん断破壊挙動","コンクリート工学年次大会2017(仙台)","コンクリート工学年次論文集",,"Vol. 39","No. 2","pp. 529-534",2017,July
"柳田龍平,Haron Norashikin,中村拓郎,二羽淳一郎","端部フック形状と長さの異なる鋼繊維を使用したSFRCの力学特性","コンクリート工学年次大会2017(仙台)","コンクリート工学年次論文集",,"Vol. 39","No. 2","pp. 1117-1122",2017,July
"Yuji Kumagai,Takuro Nakamura,Jun Sakamoto,Hitoshi Takeda,Junichiro Niwa","Effect of Post Shear Reinforcing Methods with Plate and Head Anchored Shear Reinforcing Bars","fib Symposium 2017","Proceedings of the 2017 fib Symposium",,,,"pp. 667-675",2017,June
"熊谷祐二,中村拓郎,坂本淳,武田均,二羽淳一郎","あと施工プレート定着型せん断補強鉄筋によるRCはりのせん断補強効果",,"土木学会論文集E2（材料・コンクリート構造）",,"Vol. 73","No. 1","pp. 118-132",2017,Mar.
"二羽淳一郎","土木学会田中賞にみる現代橋梁技術のあゆみ",,"土木学会誌",,"Vol. 102","No. 3","pp. 6-9",2017,Mar.
"Chenwei HOU,Takuro NAKAMURA,Takayuki IWANAGA,Junichiro NIWA","SHEAR BEHAVIOR OF REINFORCED CONCRETE AND PRESTRESSED CONCRETE TAPERED BEAMS WITHOUT STIRRUPS",,"Journal of JSCE",,"Vol. 5","No. 1","pp. 170-189",2017,Mar.
"Fakhruddin,Takuro Nakamura,Yuji Sato,Masahiko Yamada,JUNICHIRO NIWA","Mechanical Behavior of Widening Prestressed Concrete Deck Slabs under Concentrated Load",,"Journal of Advanced Concrete Technology","Japan Concrete Institute","Vol. 15","No. 2","p. 38-54",2017,Feb.
"河野克哉,Pornpen,松本浩嗣,中村拓郎,二羽淳一郎,美谷潤","損傷を受けたRCはりに対するプレテンション方式プレストレストUFCパネルの曲げ補強効果",,"太平洋セメント研究報告",,,"No. 171","pp. 41-52",2017,Feb.
"Zhang, R.,Meng,Q.-L.,He, W.,JUNICHIRO NIWA","Experimental Investigation on Shear Behavior of PP-ECC Beams by Considering Effect of Stirrup",,"Zhongguo Gonglu Xuebao/China Journal of Highway and Transport",,"Vol. 30","No. 12","pp. 234-241 and 249",2017,
"Pornpen Limpaninlachat,Koji Matsumoto,Takuro Nakamura,Katsuya Kono,Junichiro Niwa","EVALUATION OF DAMAGED RC BEAMS STRENGTHENED IN FLEXURE BY PRE-TENSIONED UFC PANEL","fib Symposium 2016","Proseedings of fib symposium 2016",,,,,2016,Nov.
"R. Yanagida,T. Nakamura,K. Kono,J. Niwa","MECHANICAL PROPERTIES OF FIBER REINFORCED CEMENTITIOUS COMPOSITE WITH HIGH STRENGTH MATRIX ABOVE 400 N/MM2","The 7th International Conference of Asian Concrete Federation",,,,,,2016,Oct.
"T. Nakamura,K. Tateishi,Y. Shinoda,Y. Oshima,J. Niwa","SHEAR STRENGTHENING EFFECT FOR RC BEAMS BY USING PC STRANDS AND PANELS REINFORCED WITH STAINLESS BARS","The 7th International Conference of Asian Concrete Federation",,,,,,2016,Oct.
"Limpaninlachat, P.,Matsumoto, K.,Nakamura, T.,Kono, K.,Niwa","Flexural Strengthening Effect of Pre-Tensioned UFC Panel on Reinfoced Concrete Beams",,"Journal of JSCE, Division E, Materials and Concrete Structures",,"Vol. 4","No. 1","pp. 181-196",2016,Oct.
"Pornpen Limpaninlachat,Koji Matsumoto,Takuro Nakamura,Katsuya Kono,Junichiro Niwa","New application of UFC in flexural strengthening method for RC beams","The 11th fib International PhD Symposium in Civil Engineering","Proceedings of The 11th fib International PhD Symposium in Civil Engineering",,,,"pp. 295-302",2016,Aug.
"Chenwei Hou,Koji Matsumoto,Takuro Nakamura,Takayuki Iwanaga,Junichiro Niwa","New method to evaluate the shear behavior of tapered RC beams without stirrups","The 11th fib International PhD Symposium in Civil Engineering","Proceedings of The 11th fib International PhD Symposium in Civil Engineering",,,,"pp. 703-710",2016,Aug.
"Sirapong Suwanpanjasil,Takuro Nakamura,Koji Matsumoto,Junichiro Niwa","An experimental study of concrete beams reinforced with internal PBO mesh and CFRP grid in shear","The 11th fib International PhD Symposium in Civil Engineering","Proceedings of The 11th fib International PhD Symposium in Civil Engineering",,,,"pp. 771-778",2016,Aug.
"Fakhruddin,Koji Matsumoto,Takuro Nakamura,Junichiro Niwa","Influences of prestressing levels and reinforcement ratio on behavior of RC interface for connecting old and new deck slabs","The 11th fib International PhD Symposium in Civil Engineering","Proceedings of The 11th fib International PhD Symposium in Civil Engineering",,,,"pp. 671-678",2016,Aug.
"Ryohei Yanagida,Takuro Nakamura,Katsuya Kono,Junichiro Niwa","Mechanical properties of new cementitious material with compressive strength above 350 N/mm2","The 11th fib International PhD Symposium in Civil Engineering","Proceedings of The 11th fib International PhD Symposium in Civil Engineering",,,,"pp. 47-52",2016,Aug.
"Niwa,Fakhruddin,Matsumoto, K.,Yuji Sato,Masahiko Yamada,Yamauchi, T.","Experimental Stury on Shear Behavior of the interface between old and new deck slabs",,"Engineering Structures, Elsevier",,"Vol. 126",,"pp. 278-291",2016,July
"柳田龍平,中村拓郎,河野克哉,二羽淳一郎","圧縮強度400N/mm2の最密充填マトリクスを有する繊維補強コンクリートの力学特性","コンクリート工学年次大会2016(博多)","コンクリート工学年次論文集",,"Vol. 38","No. 1","pp. 279-284",2016,July
"佐野匠,中村拓郎,二羽淳一郎","鋼繊維腐食が鋼繊維補強コンクリートの力学性能に及ぼす影響","コンクリート工学年次大会2016(博多)","コンクリート工学年次論文集",,"Vol. 38","No. 1","pp. 267-272",2016,July
"立石和也,篠田佳男,大嶋義隆,二羽淳一郎","ステンレス鉄筋補強パネルとPCストランドの併用によるRCはりのせん断補強効果","コンクリート工学年次大会2016（博多）","コンクリート工学年次論文集2016",,"Vol. 38","No. 2","pp. 1399-1404",2016,July
"安田瑛紀,中村拓郎,松本智夫,二羽淳一郎","モルタル充填式継手を同一断面に配置したＲＣはりの曲げ性状に関する研究","コンクリート工学年次大会2016(博多)","コンクリート工学年次論文集",,"Vol. 38","No. 2","pp. 595-600",2016,July
"中村麻美,中村拓郎,二羽淳一郎","T形断面RCはりのせん断破壊性状とせん断応力分布に関する一考察","コンクリート工学年次大会2016(博多)","コンクリート工学年次論文集",,"Vol. 38","No. 2","pp. 709-714",2016,July
"Chenwei HOU,Takayuki IWANAGA,Takuro NAKAMURA,Junichiro NIWA","SHEAR BEHAVIOR OF TAPERED RC BEAMS WITH STIRRUPS","JCI Annual Convention in HAKATA","Proceedings of the Japan Concrete Institute",,"Vol. 38","No. 2","pp. 61-66",2016,July
"伊藤賢,松本浩嗣,中村拓郎,二羽淳一郎","せん断補強筋に沿った模擬腐食ひび割れを有するRCはりのせん断挙動","コンクリート工学年次大会2016(博多)","コンクリート工学年次論文集",,"Vol. 38","No. 1","pp. 1149-1154",2016,July
"Chenwei HOU,Takuro NAKAMURA,Takayuki IWANAGA,Junichiro NIWA","The New Proposed Method to Evaluate the Shear Capacity of Tapered RC Beams without Stirrups","IABSE CONFERENCE GUANGZHOU 2016",,,,,"pp. 708-715",2016,May
"Nguyen, T.T.D.,Matsumoto, K.,Sato, Y.,Masahiko Yamada,Niwa, J.","Shear Resisting Mechanism of Pre-tensioned PC Beams without Shear Reinforcement Strengthened by CFRP Sheets",,"Journal of JSCE, Division E, Materials and Concrete Structures",,"Vol. 4","No. 1","pp. 59-71",2016,May
"二羽淳一郎","耐久性向上のためのイノベーション",,"コンクリート工学",,"Vol. 54","No. 3","pp. 235-235",2016,Mar.
"森敬倫,中村拓郎,二羽淳一郎,松本智夫","腐食環境下に曝露されたモルタル充填式継手の力学性能","第43回土木学会関東支部技術研究発表会",,,,,"  V-28",2016,Mar.
"二羽淳一郎","耐久性向上のためのプレキャスト化という選択肢",,"プレストレストコンクリート",,"Vol. 58","No. 2","pp. 22-28",2016,Mar.
"Sirapong Suwanpanjasil,Koji Matsumoto,Takuro Nakamura,Junichiro Niwa","SHEAR BEHAVIOR OF CONCRETE BEAMS REINFORCED WITH INTERNAL CFRP GRIDS","EASEC-14",,,,,"pp. 1079-1085",2016,Jan.
"Pornpen Limpaninlachat,Koji Matsumoto,Takuro Nakamura,Katsuya Kono,Junichiro Niwa","ADVANCED FLEXURAL STRENGTHENING METHOD FOR RC BEAMS BY USING PRE-TENSIONED UFC PANEL","EASEC-14",,,,,"pp. 957-965",2016,Jan.
"Zhang, Rui,Matsumoto, Koji,Hirata, Takayoshi,Ishizeki, Yoshikaze,JUNICHIRO NIWA","CYCLIC BEHAVIOR OF BEAM-COLUMN JOINT CONNECTIONS IN RIGID-FRAMED BRIDGES WITH REDUCTION OF TRANSVERSE REINFORCEMENTS BY USING PP-ECC","14th International Symposium on Structural Engineering (ISSE-14)","Fundamental Research in Structural Engineering: Retrospective and Prospective, Vols 1 and 2","SCIENCE PRESS BEIJING",,,"pp. 1516-1521",2016,
"P. Limpaninlachat,K. Matsumoto,T. Nakamura,K. Kono,J. Niwa","Flexural Behavior of Reinforced Concrete Beams Strengthened by Pre-Tensioned UFC Panel","7th Regional Symposium on Infrastructure Development","Proceedings of the 7th Regional Symposium on Infrastructure Development",,"Volume 20","No. 7","pp. 26-30",2015,Nov.
"Fakhruddin,T. Nakamura,K. Matsumoto,J. Niwa","Shear Behavior of RC Interface for Connecting the Old and New Slabs","7th Regional Symposium on Infrastructure Development","Proceedings of the 7th Regional Symposium on Infrastructure Development",,"Volume 20","No. 7","pp. 17-21",2015,Nov.
"S. Suwanpanjasil,T. Nakamura,K. Matsumoto,J. Niwa","Innovation of Shear Reinforcement in Concrete Beams ? The Replacement of Conventional Stirrups by Internal FRP Materials","7th Regional Symposium on Infrastructure Development","Proceedings of the 7th Regional Symposium on Infrastructure Development",,"Volume 20","No. 7","pp. 9-12",2015,Nov.
"C. Hou,T. Nakamura,K. Matsumoto,J. Niwa","Shear Behavior of Reinforced Concrete Haunched Beams","7th Regional Symposium on Infrastructure Development","Proceedings of the 7th Regional Symposium on Infrastructure Development",,"Volume 20","No. 7","pp. 1-4",2015,Nov.
"Hou, C. W.,Matsumoto, K.,Niwa, J.","Shear Failure Mechanism of Reinforced Concrete Haunched Beams",,"Journal of JSCE, Division E, Materials and Concrete Structures",,"Vol. 3","No. 1","pp. 230-245",2015,Oct.
"中村麻美,松本浩嗣,二羽淳一郎","収縮および強度発現性状が異なる高強度RCはりのせん断破壊挙動","土木学会 第70回年次学術講演会","第70回年次学術講演会講演概要集",,"  V-072",,"pp. 143-144",2015,Sept.
"安田瑛紀,松本浩嗣,二羽淳一郎,松本智夫.","モルタル充填式継手を有するRCはりのせん断性状に及ぼす集約配筋の影響，","土木学会 第70回年次学術講演会","第70回年次学術講演会講演概要集",,"  V-656",,"pp. 1311-1312",2015,Sept.
"永塚優希,松本浩嗣,佐東有次,二羽淳一郎","PCストランドが損傷したポストテンション式PCはりの炭素繊維シートによる曲げ補強効果",,"コンクリート工学年次論文集",,"Vol. 37","No. 2","pp. 1141-1146",2015,July
"T. T. D. Nguyen,K. Matsumoto,M. Yamada,J. Niwa","Bahaviors of Pretensioned PC Beams Strengthened in Shear Using  Externally Bonded CFRP Sheets","37th JCI Annual Convention","Proceedings of JCI",,"Vol. 37","No. 2","pp. 1183-1188",2015,July
"Hou, C. W.,Matsumoto, K.,Iwanaga, T.,Niwa, J.","Evaluation Method for Shear Capacity of Tapered RC Beams without Shear Reinforcement",,"Proceedings of JCI",,"Vol. 37","No. 2","pp. 19-24",2015,July
"山本 剛史,松本 浩嗣,中村 拓郎,二羽 淳一郎","画像解析を用いたRCはりに内在する鉄筋破断位置の検出","コンクリート工学年次大会2015(千葉)","コンクリート工学年次論文集",,"Vol. 37","No. 2","pp. 1357-1362",2015,July
"立石和也,篠田佳男,大嶋義隆,二羽淳一郎","ステンレス鉄筋使用パネルとPCストランド併用によるRC柱のじん性補強効果",,"コンクリート工学年次論文集",,"Vol. 37","No. 2","pp. 1381-1386",2015,July
"安田瑛紀,松本浩嗣,松本智夫,二羽淳一郎","モルタル充填式継手と集約鉄筋がRCはりのせん断性状に与える影響",,"コンクリート工学年次論文集",,"Vol. 37","No. 2","pp. 517-522",2015,July
"平岡慎也,松本浩嗣,二羽淳一郎","構成材料の強度の組合せがRCはりのせん断耐力に及ぼす影響",,"コンクリート工学年次論文集",,"Vol. 37","No. 2","pp. 445-450",2015,July
"Suwanpanjasil, S.,Matsumoto, K.,JUNICHIRO NIWA","Shear Performance of Concrete Beams Internally reinforced with PBO Mesh","IABSE Conference","Report of IABSE Conference, Nara 2015",,,,"pp. 324-325",2015,May
"How, C., W.,Matsumoto, K.,Niwa, J.","Investigation on the Shear Behavior of Reinforced Concrete Haunched Beams","IABSE Conference","Report of IABSE Conference, Nara 2015",,,,"pp. 380-381",2015,May
"Matsumoto, K.,Osakabe, K.,Niwa, J.","Effect of Shrinkage and Strength Development Histories on High Strength Concrete Beams in Shear","fib Symposium","fib Symposium Proceedings, Concrete - Innovation and Design",,,,"pp. 61-62",2015,May
"Suwanpanjasil, S.,Matsumoto, K.,Niwa, J.","A New Alternative Shear Improvement of Concrete Beams by Internally Reinforcing PBO Mesh",,"Journal of JSCE, Division E, Materials and Concrete Structures,",,"Vol. 3","No. 1","pp. 67-80",2015,Apr.
"Rui Zhang,Koji Matsumoto,Takayoshi Hirata,Yoshikazu Ishizeki,JUNICHIRO NIWA","Application of PP-ECC in Beam?column Joint Connections of Rigid-framed Railway Bridges to Reduce Transverse Reinforcements",,"Engineering Structures","Elsevier","Vol. 86","No. 1","pp. 146-156",2015,Jan.
"二羽淳一郎","ニューヨークの余暇",,"コンクリート工学","公益社団法人 日本コンクリート工学会","Vol. 53","No. 4","pp. 375-375",2015,
"Matsumoto, K.,Nguyen, T.T.D.,JUNICHIRO NIWA,Iwasaki, A.,Sato, Y.,Tsutsumi, T.","Strengthening effect of externally bonded CFRP sheets on pretensioned PC beams with ruptured strands in flexure",,"Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014",,,,"pp. 1283-1289",2015,
"JUNICHIRO NIWA,Puvanai Wirojjanapirom,Koji Matsumoto,KATSUYA KONO","Experimental Study on Shear Behavior of PBL Joint Connections for UFC-PC Hybrid Girder",,"Journal of JSCE",,"Vol. 2","No. 1","pp. 285-298",2014,Nov.
"永塚優希,松本浩嗣,左東 有次,二羽淳一郎","損傷を受けたPCはりの炭素繊維シートによる曲げ耐力復元効果",,"プレストレストコンクリートの発展に関するシンポジウム論文集",,"Vol. 23",,"pp. 577-582",2014,Oct.
"平岡慎也,松本浩嗣,二羽淳一郎","高強度材料を用いたRCはりのせん断耐力に関する実験的研究",,"コンクリート工学年次論文集",,"Vol. 36","No. 2","pp. 19-24",2014,July
"Sirapong Suwanpanjasil,Koji Matsumoto,JUNICHIRO NIWA","An Experimental Study of Reinforced Concrete Beams Strengthened with Internal PBO Fiber Meshes in Shear","コンクリート工学年次大会2014",,,,,,2014,July
"Puvanai Wirojjanapirom,Koji Matsumoto,KATSUYA KONO,JUNICHIRO NIWA","Shear Resistance Mechanism of PBL Joint Connection for UFC-PC Hybrid Girders","コンクリート工学年次大会2014",,,"Vol. 36","No. 2","pp. 1021-1026",2014,July
"Chenwei Hou,Koji Matsumoto,JUNICHIRO NIWA","Investigation on the Shear of reinforced Concrete Haunched Beams with Shear Reinforcement","コンクリート工学年次大会2014",,,"Vol. 36","No. 2","pp. 13-18",2014,July
"Visal Ith,Koji Matsumoto,JUNICHIRO NIWA","Mechanical Characteristics of RC Beams with Corroded Stirrups or Main Reinforcement","コンクリート工学年次大会2014","Proceedings of JCI",,"Vol. 36","No. 1","pp. 1288-1293",2014,July
"山本剛史,松本浩嗣,二羽淳一郎","損傷を持つRCはりに対する画像解析の適用",,"コンクリート工学年次論文集",,"Vol. 36","No. 2","pp. 1435-1440",2014,July
"刑部圭祐,松本浩嗣,二羽淳一郎","自己収縮履歴と強度発現履歴の組合せが高強度コンクリートはりのせん断破壊に及ぼす影響",,"コンクリート工学年次論文集",,"Vol. 36","No. 2","pp. 373-378",2014,July
"山上晶子,松本浩嗣,二羽淳一郎","鉄筋断面内腐食分布と各種非破壊試験手法の関連に関する基礎研究",,"コンクリート工学年次論文集",,"Vol. 36","No. 1","pp. 2080-2085",2014,July
"古谷亮,松本浩嗣,二羽淳一郎","鋼繊維補強コンクリートの耐腐食性状と力学性能に及ぼす影響",,"コンクリート工学年次論文集",,"Vol. 36","No. 1","pp. 268-273",2014,July
"二羽淳一郎","経年劣化する社会インフラとその整備について",,"建設物価",,,"No. 1145","pp. 10-14",2014,Apr.
"Nguyen, T.T.D.,Matsumoto, K.,Tsutsumi, T.,Sato, Y.,Iwasaki, A.,Niwa, J.","Flexural Performance of Pretensioned Prestressed Concrete Beams Having Ruptured Strands Strengthened by CFRP Sheets","The Fourth International fib Congress","Proceedings of Fourth fib Congress","Universities Press",,,"pp. 188-196",2014,Feb.
"Rui Zhang,Koji Matsumoto,Takayoshi Hirata,Yoshikazu Ishizeki,JUNICHIRO NIWA","Shear Behavior of Polypropylene Fiber Reinforced ECC Beams with Varying Shear Reinforcement Ratios",,"Journal of JSCE","Journal of JSCE","Vol. 2","No. 1","pp. 39-53",2014,Feb.
"二羽淳一郎","東京港にみる社会インフラの変遷",,"プレストレストコンクリート",,"Vol. 56","No. 1","pp. 7-7",2014,Jan.
"二羽淳一郎","海外におけるインフラ整備をみて感じたこと",,"舗装",,"Vol. 49","No. 1","pp. 3-4",2014,Jan.
"Nguyen, T. T. D.,Matsumoto, K.,Yuji Sato,Iwasaki, A.,Tsutsumi, T.,JUNICHIRO NIWA","Effects of Externally Bonded CFRP Sheets on Flexural Strengthening of Pretensioned Prestressed Concrete Beams Having Ruptured Strands",,"Journal of JSCE",,"Vol. 2","No. 1","pp. 25-38",2014,Jan.
"Nguyen, T. T. D.,Matsumoto, K.,Iwasaki, A.,Sato, Y.,Niwa, J.","An Experimental Study on Flexural Strengthening of PC Beams with Ruptured Strands using CFRP Sheets","APFIS2013","Proceedings of The Fourth Asia ? Pacific Conference on FRP in Structures (APFIS 2013)",,,"No. 27",,2013,Dec.
"Rui Zhang,Koji Matsumoto,JUNICHIRO NIWA,Takayoshi Hirata,Yoshikazu Ishizeki","Experimental Study on Shear Behavior of PP-ECC Beams with Different Stirrup Ratios","Tokyo Tech-KU Joint Seminar on Infrastructure Development","Tokyo Tech-KU Joint Seminar on Infrastructure Development",,,,"pp. 19-24",2013,Oct.
"Wirojjanapirom, P.,Matsumoto, K.,Kono, K.,Niwa, J.","Experimental investigation on shear behavior pf RC beams using UFC U-shaped permanent formwork","UHPFRC 2013","Proceedings of the RILEM-fib-AFGC International Symposium on Ultra-High Performance Fiber-Reinforced Concrete, UHPFRC 2013,",,,,"pp. 187-196",2013,Oct.
"二羽淳一郎","コンクリート工学年次論文を査読して",,"コンクリート工学 = Concrete journal","Japan Concrete Institute","Vol. 51","No. 10","pp. 838-840",2013,Oct.
"Wirojjanapirom, P.,Matsumoto, K.,Kitamura, T.,Niwa, J.","Experimental study on shear-slipping behavior of PBL joint connection between concrete and UFC hybrid girder","EASEC13","Proceedings of the thirteenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC13), ID 1-5-2,",,,,"pp. 6",2013,Sept.
"Rui Zhang,Koji Matsumoto,Takayoshi Hirata,Yoshikazu Ishizeki,JUNICHIRO NIWA","Experimental Study on shear behavior of PP-ECC beams with different stirrup ratios","The 13th East Asia-Pacific Conference on Structural Engineering and Construction","Proceedings of the thirteenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC13), ID B-5-5,",,,,"pp. 8",2013,Sept.
"Rui Zhang,Matsumoto, K.,JUNICHIRO NIWA","Shear Behavior of Polypropylene Fiber Reinforced ECC Beams with Reduction of Shear Reinforcements","The 7th International Conference on Concrete under Severe Conditions - Environment and Loading","Proceedings of seventh International Conference on Concrete under Severe Conditions, Enviroment and Loading","RILEM",,,"pp. 1720-1733",2013,Sept.
"Nguyen, T.T.D.,Matsumoto, K.,Iwasaki, A.,Niwa, J.","Performance of Pretensioning Prestressed Concrete Beams with Ruptured Strands Flexurally Strengthened by CFRP Sheets",,"Proceedings of 3rd International Conference on Sustainable Construction Materials and Technologies, e-036, CD-ROM,",,,,"pp. 10",2013,Aug.
"wirojjanapirom, P.,Matsumoto, K.,Kono, K.,Niwa, J.","Shear Resistance Mechanism of RC Beams Using U-shaped UFC Permanent Formwork with Shear Keys and Bolts",,"Proccedings of 3rd  International Conference on Sustainable Construction Materials and Technologies,e-35,CD-ROM,",,,,"pp. 10",2013,Aug.
"松本浩嗣,榊原直輝,二羽淳一郎","引張クリープの影響を考慮した若材齢モルタルのひび割れ発生メカニズムの検討",,"コンクリート工学年次論文集",,"Vol. 35","No. 1","pp. 451-456",2013,July
"Wirojjanapirom, P.,Matsumoto, K.,Kono, K.,Niwa, J.","Evaluation on Shear Capacity of RC Beams Usiong U-Shaped UFC Permanent Formwork",,"Proceedings of JCI",,"Vol. 35","No. 2","pp. 1513-1518",2013,July
"Nguyen, T.T.D.,Matsumoto, K.,Niwa, J.","Effects of CFRP-Sheet Layers on Pretensioned PC Beams Having Ruptured Strands Stregthened in Flexure",,"Proceedings of JCI",,"Vol. 35","No. 2","pp. 1303-1308",2013,July
"Jongvivatsakul, P.,Matsumoto, K.,Niwa, J.","An Experimental Study on Shear Carried by Fibers of FRC Beams with Different Fiber Type and Combinations",,"Proceedings of JCI",,"Vol. 35","No. 2","pp. 1279-1284",2013,July
"Hou, C.,Matsumoto, K.,Niwa, J.","Shear Behavior of Reinforced Concrete Haunced Beam without Shear Reinforcement",,"Proceedings of JCI",,"Vol. 35","No. 2","pp. 655-660",2013,July
"Tantipidok, P.,Matsumoto, K.,Niwa, J.","Effect of Stirrup Diameter and Configuration on Diagonal Compressive Capacity of HSC Beams",,"Proceedings of JCI",,"Vol. 35","No. 2","pp. 493-498",2013,July
"伊藤賢,正木守,三宅紀,二羽淳一郎","ポバール樹脂およびポリマーセメントモルタルを用いたビニロン繊維メッシュ巻立て工法によるRCはりのせん断補強効果",,"コンクリート工学年次論文集",,"Vol. 35","No. 2","pp. 1417-1422",2013,July
"森誠,松本浩嗣,二羽淳一郎","軸方向鉄筋の定着部またはスパン全体に腐食を有するRCはりの力学性状",,"コンクリート工学年次論文集",,"Vol. 35","No. 2","pp. 547-552",2013,July
"Nguyen, T. T. D.,Matsumoto, K.,Sato Y.,Iwasaki, A.,Niwa, J.","Behavior of Prestressed Concrete Beams Having Ruptured Strands Strengthened in Flexure by Externally Bonded CFRP Sheets",,"Proceedings of 10th International Conference on Urban Earthquake Engineering (10CUEE)",,,,"pp. 725-730",2013,Mar.
"Rui Zhang,Koji Matsumoto,JUNICHIRO NIWA","Shear Behavior of Polypropylene Fiber Reinforced ECC Beams with Reduction of Shear Reinforcements","The 10th International Conference on Urban Earthquake Engineering","Proceeding of 10th International Conference on Urban Earthquake Engineering",,,,"pp. 709-716",2013,Mar.
"Matsumoto, K.,Sakai, M.,Mori, M.,Niwa, J.","Mechanical Behavior and Repair and Strengthening  Method of RC Beams Having Anchorage Corrosion","fib Symposium","Proceedings of fib Symposium",,,,"pp. 265-268",2013,
"Wirojjanapirom, P.,Matsumoto, K.,Niwa, J.","Experimental Study on Shear Behavior of RC Beams Using U-Shape UFC Permanent Formwork with Shear Keys and Bolts",,"Journal of Materials, Concrete Structures and Pavement of JSCE(E2)",,"Vol. 67","No. 1","pp. 67-81",2013,
"Jongvivatsakul, P.,Matsumoto, K.,JUNICHIRO NIWA","Shear Capacity of Fiber Reinforced Concrete Beams with Various Types and Combinations of Fibers",,"Journal of JSCE, Materials, Concrete Structures and Pavements, Division E,",,"Vol. 1","No. 1","pp. 228-241",2013,
"Tantipidok, P.,Matsumoto, K.,Niwa, J.","Diagonal Compressive Capacity of Rainforced Concrete Beams with Wide Stirrup Spacing",,"Journal of JSCE, Materials, Concrete Structures and Pavements, Division E,",,"Vol. 1","No. 1","pp. 298-306",2013,
"Jongvivatsakul, P.,Matsumoto, K.,Watanabe, K.,Niwa, J.","Appliction of Tension Softening Curves to Investigate the Shear Carried by Fibers in Various Fiber Reinforced Concrete Beams","FraMCos-8",,,,,"pp. 284-293",2013,
"Niwa, J.,Shakya, K.,Matsumoto, K.,Watanabe.","Experimental Study on the Possibility of Using Steel Fiber Reinforced Concrete to Reduce Conventional Rebards in Beam-Column Joints",,"Journal of Materials in Civil Engineering",,"Vol. 24","No. 12","pp. 1461-1473",2012,Dec.
"松本浩嗣,米花萌,二羽淳一郎","単純支持および逆対称曲げモーメントを受ける中実円形断面RCディープビームのせん断性状",,"土木学会論文集E2（材料・コンクリート構造）",,"Vol. 68","No. 4","pp. 343-355",2012,Nov.
"二羽淳一郎","都市構造物の耐震補強技術",,,"朝倉書店",,,,2012,Oct.
"二羽淳一郎","コンクリート工学年次論文を査読して",,"コンクリート工学 = Concrete journal","Japan Concrete Institute","Vol. 50","No. 10","pp. 970-972",2012,Oct.
"Nguyen Thi Thu Dung,Matsumoto, K.,Iwasaki Asami,Niwa, J.","Flexural Behavior of Pre-tensioned PC Beams with Ruptured Strands Strengthened by CFRP Sheets","コンクリート工学年次大会","Proceedings of JCI",,"Vol. 34","No. 2","pp. 439-444",2012,July
"渡邊 祥庸,瀬野 健助,加川 順一,二羽 淳一郎","内圧充填接合補強方法によるコンクリート中への樹脂充填性能と補修効果","コンクリート工学年次大会","コンクリート工学年次論文集",,"Vol. 34","No. 2","pp. 1465-1470",2012,July
"Tantipidok, P.,Matsumoto, K.,Niwa, J.","The Effect of Wide Stirrup Spacing on Diagonal Compressive Capacity of High Strength Concrete Beams","コンクリート工学年次大会","Proceedings of JCI",,"Vol. 34","No. 2","pp. 487-492",2012,July
"赤熊 宏哉,梶原 勉,三宅 紀,二羽 淳一郎","ビニロン繊維メッシュとモルタル充填により補強したRCはりのせん断挙動","コンクリート工学年次大会","コンクリート工学年次論文集",,"Vol. 34","No. 2","pp. 1261-1266",2012,July
"Jongvivatsakul, P.,Matsumoto, K.,Watanabe, K.,Niwa, J.","Investigation on the Shear of Fiber Reinforced Concrete Beams Considering Various Types of Fibers","コンクリート工学年次大会","Proceedings of JCI",,"Vol. 34","No. 2","pp. 1267-1272",2012,July
"酒井 舞,松本 浩嗣,森 誠,二羽 淳一郎","定着部腐食を有するRCはりの力学性能と補修方法に関する研究","コンクリート工学年次大会","コンクリート工学年次論文集",,"Vol. 34","No. 2","pp. 1363-1368",2012,July
"Tantipidok, P.,Matsumoto, K.,Watanabe, K.,Niwa, J.","Experimental Investigation of Diagonal Compression Failure of High Strength Concrete Beams with Wide Stirrup Spacing","fib Symposium : Concrete Structures for Sustainable Community","Proceedings of fib Symposium",,,,"pp. 117-120",2012,June
"Shakya, K.,Matsumoto, K.,Watanabe, K.,Niwa, J.","Application of Steel Fibers in Beam-Column Joints of Rigid-Framed Railway Bridges to Reduce Longitudinal and Shear Rebars",,"Journal of Construction and Building Materials","Elsevier","Vol. 27","No. 2","pp. 482-489",2012,Jan.
"Tantipidok, P.,Kobayashi, C.,Matsumoto, K.,Watanabe, K.,Niwa, J.","Proposed Predictive Equation for Diagonal Compressive Capacity of Reinforced Concrete Beams",,"Journal of Materials, Concrete Structures and Pabements of JSCE, E2",,"Vol. 67","No. 4","pp. 535-548",2011,Oct.
"Jongvivatsakul, P.,Watanabe, K.,Matsumoto, K.,Niwa, J.","Evaluation of Shear Carried by Steel Fibers of Reinforced Concrete Beams Using Tension Softening Curves",,"Journal of Material, Concrete Structures and Pavements of JSCE, E2",,"Vol. 67","No. 4","pp. 493-507",2011,Oct.
"Nguyen, D.H.,Matsumoto, K.,Watanabe, K.,Hasegawa, T.,Niwa, J.","Shear Carrying of Segmental Concrete Beams with Draped External Tendons",,"Journal of Materials, Concrete Structures and Pavements of JSCE, E2",,"vol. 67","No. 4","pp. 564-577",2011,Oct.
"渡邊 祥庸,二羽 淳一郎,日野  篤志,加川  順一","内圧充填接合補強工法によるRC柱の補修効果の検討",,"コンクリート工学年次論文集",,"Vol. 33","No. 2","pp. 709-714",2011,July
"森 誠,松本 浩嗣,酒井 舞,二羽 淳一郎","腐食を有する異形鉄筋の定着部補強方法の検討","コンクリート工学年次大会","コンクリート工学年次論文集",,"Vol. 34","No. 2","pp. 553-558",2011,July
"Puvanai Wirojjanapirom,Koji Matsumoto,Katsuya Kono,JUNICHIRO NIWA","Shear Behavior of RC Beams Using U-Shaped UFC Permanent Formwork with Shear keys or Bolts",,"Proceedings of JCI",,"Vol. 33","No. 2","pp. 1537-1542",2011,July
"Nguyen Dinh Hung,Koji Matsumoto,Tsuyoshi Hasegawa,JUNICHIRO NIWA","Influence of Draped External Tendons on Shear Behavior of Segmental Prestressed Concrete Beams",,"Proceedings of JCI",,"Vol. 33","No. 2","pp. 559-564",2011,July
"米花 萌,松本 浩嗣,二羽 淳一郎","円形断面を有するRCディープビームのせん断耐力評価",,"コンクリート工学年次論文集",,"Vol. 33","No. 2","pp. 709-714",2011,July
"梁田  真広,松本 浩嗣,二羽 淳一郎","画像解析を用いたリアルタイム非接触ひずみ計測領域の広域化",,"コンクリート工学年次論文集",,"Vol. 33","No. 2","pp. 691-696",2011,July
"酒井 舞,松本 浩嗣,森 誠,二羽 淳一郎","断面修復工法により補修した腐食を有する鉄筋定着部の力学性能",,"コンクリート工学年次論文集",,,"No. 2","pp. 601-606",2011,July
"岩永 崇志,松本 浩嗣,二羽 淳一郎","ひび割れの形成過程に着目した変断面RCはりのせん断破壊メカニズムの評価",,"コンクリート工学年次論文集",,"Vol. 33","No. 2","pp. 49-54",2011,July
"藤枝 智子,松本 浩嗣,渡辺 健,二羽 淳一郎","AE法による圧縮クリープ荷重を受けるコンクリートの損傷評価と破壊の局所化領域の検討",,"コンクリート工学年次論文集",,"Vol. 33","No. 1","pp. 461-466",2011,July
"渡辺 健,榊原 直輝,Weiss, J.,二羽 淳一郎","若材齢モルタルの引張型基本クリープと微視的破壊に対するAE法による関連評価",,"コンクリート工学年次論文集",,"Vol. 33","No. 1","pp. 455-460",2011,July
"二羽 淳一郎","コンクリート構造診断入門",,,"技報堂出版",,,,2011,May
"渡辺 健,大石 峻也,米花 萌,二羽 淳一郎","中実円形断面鉄筋コンクリートはりのせん断耐力評価に関する実験的研究",,"土木学会論文集E2",,"Vol. 67","No. 2","pp. 200-212",2011,May
"辻  幸和,二羽 淳一郎","PC橋梁の新たなる挑戦",,,"技報堂出版",,,,2011,Feb.
"二羽 淳一郎","- 次世代を支えるプロジェクト - 整備が進む新幹線網と鉄道構造物",,"コンクリート工学",,"Vol. 49","No. 1","pp. 10-15",2011,Jan.
"Ken Watanabe,Toshihide Kimura,JUNICHIRO NIWA","Synergetic effect of steel fibers and shear reinforcing bars on the shear-resistance mechanisms of RC linear members",,"Journal of Construction and Building Materials, Elsevier",,"Vol. 24","No. 12","pp. 2369-2375",2010,Dec.
"新倉一郎,高徳 裕平,山田均,二羽淳一郎","フーバーダムバイパス：コロラドリバー橋の施工",,"土木施工",,,,"pp. 10-15",2010,Dec.
"二羽淳一郎,丸屋剛","ステンレス鉄筋を用いるコンクリート構造物の設計施工指針（案）の概要",,"Journal of Steel Structures & Construction",,,"No. 3","pp. 24-27",2010,Oct.
"Watanabe, K.,Yonehana, M.,Niwa, J.,Yukihiro Tanimura,Toshiya Tadokoro","Shear Resistant Mechanism of Reinforced Concrete Beams for Seismic Design of Railway Structures",,"Proceedings of the 34th International Symposium of Bridge and Structural Engineering (IABSE),",,,"  A-0276","pp. 1-6",2010,Sept.
"Ken Watanabe,Zarni Win MYO,Koji Matsumoto,JUNICHIRO NIWA","Predictive Method on the Shear Capacity of Fiber-Reinforced Prestressed Concrete Beams",,"Proceedings of JCI",,"Vol. 32","No. 2","pp. 541-546",2010,July
"Hung Nguyen Dinh,Ken Watanabe,JUNICHIRO NIWA,Tsuyoshi Hasegawa","Influence of Joint Type on Shear Behavior of Segmental Concrete Beams with External Tendons",,"Proceedings of JCI",,"Vol. 32","No. 2","pp. 535-540",2010,July
"Asami Yamamoto,Ken Watanabe,Li, V.C.,JUNICHIRO NIWA","Effect of Wet-Dry Condition on Self-Healing Property of  Early-Age ECC",,"Proceedings of JCI",,"Vol. 32","No. 1","pp. 251-256",2010,July
"藤枝智子,渡辺 健,榊原直輝,二羽淳一郎","AE法を用いたコンクリートの圧縮クリープと微視的破壊の関連評価","コンクリート工学年次大会2010","コンクリート工学年次論文集",,"Vol. 32","No. 1","pp. 1739-1744",2010,July
"梁田真広,渡辺 健,二羽淳一郎","支圧板幅と圧縮ストラット形状に着目したRCディープビームのせん断耐力に関する検討","コンクリート工学年次大会2010","コンクリート工学年次論文集",,"Vol. 32","No. 2","pp. 217-222",2010,July
"大石 峻也,渡辺 健,二羽淳一郎","円形断面RCはりに対するせん断補強鉄筋の貢献度評価","コンクリート工学年次大会2010","コンクリート工学年次論文集",,"Vol. 32","No. 2","pp. 31-36",2010,July
"松本浩嗣,柴田 耕,二羽淳一郎,川口哲生","ストリップ型UFCパネルによるRCはりのせん断補強","コンクリート工学年次大会2010","コンクリート工学年次論文集",,"Vol. 32","No. 2","pp. 1507-1512",2010,July
"米花萌,渡辺 健,二羽淳一郎","逆対称曲げRCディープビームの破壊性状に関する解析的研究","コンクリート工学年次大会2010","コンクリート工学年次論文集",,"Vol. 32","No. 2","pp. 661-666",2010,July
"二羽淳一郎","コンクリートのひび割れと破壊の力学",,,"技法堂出版",,,"pp. 159-185",2010,July
"三橋 博三,六郷 恵哲,国枝 稔,二羽淳一郎","コンクリートのひび割れ強度の寸法効果（７章）",,"コンクリートのひび割れと破壊の力学","技法堂出版",,,"pp. 159-185",2010,July
"Jongvivatsakul Pitcha,Ken Watanabe,JUNICHIRO NIWA","Predictive Equation for Shear Carried by Steel Fibers in RC Beams by Considering Stirrup Ratio",,"Proceedings of JCI",,"Vol. 32","No. 2","pp. 1291-1296",2010,July
"Kabir Shakya,Ken Watanabe,JUNICHIRO NIWA","Experimental Evaluation of Seismic Resistant Beam-Column T-Jonints of Rigid-Frame Bridge under Cyclic Loading",,"Proceedings of JCI",,"Vol. 32","No. 2","pp. 829-834",2010,July
"Patarapol Tantipidok,Koji Matsumoto,Ken Watanabe,JUNICHIRO NIWA","The Equation Considering Strength and Stirrups for Diagonal Compressive Capacity of RC Beams",,"Proceedings of JCI",,"Vol. 32","No. 2","pp. 547-552",2010,July
"Ken Watanabe,Chikaharu Kobayashi,JUNICHIRO NIWA","Evaluation of the Diagonal Compression Capacity of Reinforced High-Strength Concrete Beams","Third International Congress of fib","Proc. of Third International Congress of fib",,"  ID 76",,"pp. 1-10",2010,June
"Ken Watanabe,Masahiko Tsunoda,JUNICHIRO NIWA","Influence of Local Steel Corrosion on Shear Failure Mechanism of RC Linear Menbers","The 6th International Conference on Concrete under Serve Environmental Conditions and Loading (CONCEC'10)","Proc. of the 6th International Conference on Concrete under Severe Environmental Conditions and Loading (CONSEC'10)",,,,"pp. 391-396",2010,June
"Hung Nguyen Dinh,Ken Watanabe,JUNICHIRO NIWA","Prediction of Shear Carrying Capacity of Segmental Concrete Beams with External Tendons",,"Proc. of Third International Congress of fib",,"  ID 63",,"pp. 1-10",2010,June
"Ken Watanabe,Jongvivatsakul Pitcha,JUNICHIRO NIWA,Toshihide Kimura","Evaluation of Shear Carried by Steel Fibers in Reinforced Concrete Beams with Steel Fibers","7th International Concrete on Fracture Mechanics of Concrete and Concrete Structures","Proc. of 7th International Concrete on Fracture Mechanics of Concrete and Concrete Structures",,,,"pp. 1445-1450",2010,May
"Hung Nguyen Dinh,Ken Watanabe,Junichiro Niwa,Tsuyoshi Hasegawa","Modified Model for Shear Carrying Capacity of Segmental Concrete Beams with External Tendons",,"Journal of Materials, Concrete Structures and Pavements of JSCE ( Doboku Gakkai Ronbunshuu E)",,"Vol. 66","No. 1","pp. 53-67",2010,Jan.
"渡辺 健,東広憲,三木 朋広,二羽淳一郎","コンクリート構造実験を対象としたリアルタイム画像解析システムの開発",,"土木学会論文集E",,"Vol. 66","No. 1","pp. 94-106",2010,Jan.
"野間康隆,渡辺  健,二羽淳一郎","画像解析による高強度コンクリートの圧縮破壊性状の可視化ならびに評価",,"土木学会論文集E",,"Vol. 66","No. 1","pp. 68-79",2010,Jan.
"船橋 政司,鶴田 孝司,佐々木  孝彦,二羽淳一郎","黄河堆積土を原料とした高性能軽量骨材のアルカリシリカ反応性に関する研究",,"コンクリート工学論文集",,"Vol. 21","No. 1","pp. 49-61",2010,Jan.
"宮川 豊章,信田 佳延,二羽淳一郎,下村  匠","コンクリート標準示方書の役割と今後の動向",,"建設オピニオン",,"Vol. 16","No. 11","pp. 8-11",2009,Nov.
"田所裕,佃有射,山路 徹,丸屋剛,二羽淳一郎","ステンレス鉄筋のコンクリート中における腐食発生塩化物イオン濃度に関する実験的研究",,"土木学会論文集E",,"Vol. 65","No. 4","pp. 522-529",2009,Oct.
"二羽淳一郎,丸屋剛,田所裕","ステンレス鉄筋を用いたコンクリート構造物の長寿命化",,"未来材料",,"Vol. 9","No. 10","pp. 36-45",2009,Oct.
"Ken Watanabe,Hironori Higashi,JUNICHIRO NIWA","Real-time image analyzing system for evaluating the shear failure mechanism of reinforced concrete beams","4th International Conference on Construction Materials: Performance, Innovations and Structural Implications","Proceedings of 4th International Conference on Construction Materials: Performance, Innovations and Structural Implications",,,,"pp. 1477-1482",2009,Aug.
"Yuui Tsukuda,Yoshio Shinoda,JUNICHIRO NIWA,Shigeyoshi Nagataki","An experimental study on chloride threshold value of stainless steel bar","4th International Conference on Construction Materials: Performance, Innovations and Structural Implications","Proceedings of 4th International Conference on Construction Materials: Performance, Innovations and Structural Implications",,,,"pp. 1320-1325",2009,Aug.
"野間 康隆,渡辺健,二羽淳一郎","画像解析を用いた高強度コンクリートの圧縮破壊進展評価",,"コンクリート工学年次論文集",,"Vol. 31","No. 1","pp. 523-528",2009,July
"柴田耕,渡辺健,二羽淳一郎,川口哲生","UFCパネルによるＲＣはりのせん断補強効果",,"コンクリート工学年次論文集",,"Vol. 31","No. 2","pp. 1633-1638",2009,July
"角田  真彦,渡辺健,二羽淳一郎","軸方向鉄筋が局部的に腐食したRC棒部材のせん断破壊性状",,"コンクリート工学年次論文集",,"Vol. 31","No. 2","pp. 1561-1566",2009,July
"東 広憲,渡辺健,二羽淳一郎","破断した軸方向鉄筋を有するRCはりの破壊に対する画像解析",,"コンクリート工学年次論文集",,"Vol. 31","No. 2","pp. 727-732",2009,July
"Zarni Win MYO,ken watanabe,JUNICHIRO NIWA","Shear Carrying Capacity of Prestressed Concrete I-Beams Reinforced with Steel Fibers",,"Proceedings of JCI",,"Vol. 31","No. 2","pp. 1309-1314",2009,July
"小林 央治,渡辺健,二羽淳一郎","RCはりの斜め圧縮破壊耐力評価に関する研究",,"コンクリート工学年次論文集",,"Vol. 31","No. 2","pp. 577-582",2009,July
"Hung Nguyen Dinh,ken watanabe,JUNICHIRO NIWA,Tsuyoshi Hasegawa","Influence of Prestress Level on Shear Behavior of Segmental Concrete Beams with External Tendons",,"Proceedings of JCI",,"Vol. 31","No. 2","pp. 535-540",2009,July
"大石峻也,渡辺健,米花萌,二羽淳一郎","せん断補強鉄筋を有する円形断面RCはりのせん断耐力評価",,"コンクリート工学年次論文集",,"Vol. 31","No. 2","pp. 13-18",2009,July
"渡辺 健,木村利秀,児玉 亘,喜多俊介,大寺一清,二羽淳一郎","鋼繊維とせん断補強鉄筋の併用によるRC棒部材のせん断補強効果",,"土木学会論文集E","社団法人土木学会",,,,2009,June
"Nguyen, D. H.,Watanabe, K.,Niwa, J.","Parametric Study for Shear Carrying Capacity of Segmental Concrete Beam with External Tendons",,"Sixth International Conference on Urban Earthquake Engineering","Sixth International Conference on Urban Earthquake Engineering",,,"pp. 305-310",2009,Mar.
"Noma, Y.,Watanabe, K.,Niwa, J.","Evaluation of Compressive Fracture Behaviors under Cyclic Loading by using Digital Image Correlation Method","Sixth International Conference on Urban Earthquake Engineering","Sixth International Conference on Urban Earthquake Engineering",,,,"pp. 299-304",2009,Mar.
"川口哲生,富田 六郎,白井一義,片桐誠,二羽淳一郎","超高強度繊維補強コンクリートと補強用鋼材の付着応力伝達機構",,"土木学会論文集E",,"Vol. 65","No. 1","pp. 1-15",2009,Jan.
"Watanabe, K.,Sakamoto, Y.,Niwa, J.","Localized Compressive Failure Zone of RC Deep Beams Identified by Using Image Analysis","the 6th Regional Symposium on Infrastructure Development (RSID-6)","the 6th Regional Symposium on Infrastructure Development (RSID-6)",,,"  STR-06","pp. 1-6",2009,Jan.
"Chunyakom Sivaleepunth,JUNICHIRO NIWA,Hung Nguyen Dinh,Tsuyoshi Hasegawa,Yuzuru Hamada","Shear Carrying Capacity of Segmental Prestressed Concrete Beams",,"Doboku Gakkai Ronbunshuu E",,"Vol. 65","No. 1","pp. 63-75",2009,Jan.
"Higashi, H.,Watanabe, K.,Niwa, J.","Development of Strain Measurement System by Using Image Analysis and Prediction of the Failure Mode of RC Beams","the 6th Regional Symposium on Infrastructure Development (RSID-6)","the 6th Regional Symposium on Infrastructure Development (RSID-6)",,,,,2009,Jan.
"丸屋 剛,二羽淳一郎","ステンレス鉄筋を用いるコンクリート構造物の設計施工指針（案）の概要",,"コンクリート工学",,"Vol. 46","No. 12","pp. 3-10",2008,Dec.
"Watanabe, K.,Niwa, J.,Tanimura, Y.,Tadokoro, T.","Effect of Supports on Shear Resistant Mechanism of Reinforced Concrete Deep Beams","he Eleventh East Asia-Pacific Conference on Structural Engineering & Construction (EASEC-11)","he Eleventh East Asia-Pacific Conference on Structural Engineering & Construction (EASEC-11)",,"  B05_02",,"pp. 1-6",2008,Nov.
"Watanabe, K.,Kimura, T.,Niwa, J","Shear Reinforcement of RC Beams by Combination of Steel Fibers and Stirrups","3rd ACF International Conference on Sustainable Concrete Technology and Structures in Local Climate and Environment Conditions","Proceedings of 3rd ACF International Conference on Sustainable Concrete Technology and Structures in Local Climate and Environment Conditions",,,,"pp. 790-795",2008,Nov.
"Nguyen, D.H.,Niwa, J.,Watanabe, K.,Sivaleepunth. C","Numerical Study on Shear Behavior of Segmental Prestressed Concrete Beams Considering Joint Location","3rd ACF International Conference on Sustainable Concrete Technology and Structures in Local Climate and Environment Conditions","Proceedings of 3rd ACF International Conference on Sustainable Concrete Technology and Structures in Local Climate and Environment Conditions",,,,"pp. 882-888",2008,Nov.
"Watanabe, K.,Niwa, J.,Yokota, H.","Diagnosis of Cracks in Reinforced Concrete Slab by Using AE Technique","Diagnosis of Cracks in Reinforced Concrete Slab by Using AE Technique, International Conference on Durability of Concrete Structures (ICDCS2008)","International Conference on Durability of Concrete Structures (ICDCS2008)",,"Vol. 2",,"pp. 1180-1185",2008,Nov.
"Yuichi Uchida,Niwa, J.,Yoshihiro Hishiki,Keitetsu Rokugo,Fischer Gregor","Review of Japanese Recommendations on Design and Construction of Different Classes of Fiber Reinforced Concrete and Application Examples","8th International Symposium on Utilization of High-Strength and High-Performance Concrete","Proceedings of 8th International Symposium on Utilization of High-Strength and High-Performance Concrete",,"Vol. 1",,"pp. 92-110",2008,Oct.
"Kobayashi, C.,Watanabe, K.,Niwa, J","Experimental Study on Diagonal Compression Failure of RC Beams Using High-Strength Concrete","8th International Symposium on Utilization of High-Strength and High-Performance Concrete","Proceedings of 8th International Symposium on Utilization of High-Strength and High-Performance Concrete",,"Vol. 2",,"pp. 1031-1036",2008,Oct.
"Watanabe, K.,Sakamoto, Y.,Niwa, J.","Identification of Localized Compressive Failure of High-Strength Concrete with Short Fiber Reinforcement by Using Image Analysis","8th International Symposium on Utilization of High-Strength and High-Performance Concrete","Proceedings of 8th International Symposium on Utilization of High-Strength and High-Performance Concrete",,"Vol. 1",,"pp. 511-516",2008,Oct.
"木村利秀,渡辺 健,二羽淳一郎","鋼繊維補強鉄筋コンクリート柱に対するハイブリッド載荷試験の影響","土木学会第63回年次学術講演会","土木学会第63回年次学術講演会概要集",,,"No. 5-530","pp. 1059-1060",2008,Sept.
"三木朋広,鈴木 暢恵,二羽淳一郎","鉄筋腐食した鉄筋コンクリートはりのせん断耐荷機構のマクロ的評価",,"コンクリート工学論文集",,"Vol. 19","No. 3","pp. 61-70",2008,Sept.
"Watanabe, K.,Niwa, J.,Tadokoro, T.,Tanimura Y.","Shear Resistance Mechanism of Reinforced Concrete Deep Beams under Seismic Loading","2008 Taiwan-Japan Symposium on the Advancement of Urban Earthquake Hazard Mitigation Technology","2008 Taiwan-Japan Symposium on the Advancement of Urban Earthquake Hazard Mitigation Technology",,,,"pp. 93-96",2008,Sept.
"川口哲生,片桐誠,白井 一義,二羽淳一郎","超高強度繊維補強コンクリートの引張抵抗力が曲げ破壊性状に及ぼす影響",,"土木学会論文集Ｅ","土木学会","Vol. 64","No. 3","pp. 435-448",2008,Aug.
"渡辺 健,阪本 陽一,二羽 淳一郎","画像解析によるRC ディープビームの局所的圧縮破壊領域の同定",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 805-810",2008,July
"野間 康隆,渡辺 健,三木 朋広,二羽 淳一郎","高強度コンクリート中の局所挙動の画像解析による評価",,"コンクリート工学年次論文集",,"Vol. 30","No. 2","pp. 481-486",2008,July
"Ionut Ovidiu TOMA,Toshihide KIMURA,Ken WATANABE,Junichiro NIWA","FEM Analysis of the Shear Behavior of Short RC Columns Subjected to Lateral Cyclic Loading",,"Proceedings of JCI",,"Vol. 30","No. 3","pp. 79-84",2008,July
"雨宮 美子,中井 聖棋,野見山佳彦,二羽淳一郎","床版コンクリートとプレテンションウェブ間の接合部構造に関する実験的研究",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 577-582",2008,July
"野見山佳彦,三木朋広,二羽淳一郎,西垣 義彦","ＲＣ部材の接合部におけるずれせん断破壊性状",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 589-594",2008,July
"東広憲,渡辺健,三木朋広,二羽淳一郎","画像解析を用いた鉄筋コンクリートはりの破壊性状の予測",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 793-798",2008,July
"河野克哉,二羽淳一郎,大滝晶生","ポリプロピレン短繊維と有機系収縮低減剤を併用した高強度軽量ＲＣはりのせん断強度評価",,"コンクリート工学年次論文集","日本コンクリート工学協会","Vol. 30","No. 3","pp. 1567-1572",2008,July
"Sivaleepunth, C.,Niwa, J.,Nguyen, D. H.,Hamada, Y","Shear Failure Mechanism of Segmental Concrete Beams Prestressed with External Tendons",,"Proceedings of JCI",,"Vol. 30","No. 3","pp. 817-822",2008,July
"角田 真彦,渡辺 健,三木 朋広,二羽 淳一郎","局所的な鉄筋腐食を有するRC はり部材のせん断耐荷性能に関する研究",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 1705-1710",2008,July
"木村 利秀,渡辺 健,二羽 淳一郎","鋼繊維と帯鉄筋の併用によるRC 柱のせん断補強効果",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 1399-1404",2008,July
"小林 央治,渡辺 健,三木 朋広,二羽 淳一郎","高強度コンクリートを用いたRCはりの斜め圧縮破壊に関する実験的研究",,"コンクリート工学年次論文集",,"Vol. 30","No. 3","pp. 625-630",2008,July
"CHUNYAKOM SIVALEEPUNTH,JUNICHIRO NIWA,Khac Diep BUI,Satoshi Tamura,Yuzuru Hamada","Simplifired Truss Model for Externally Prestressed Concrete Beams",,"土木学会論文集Ｅ",,"Vol. 63","No. 4","pp. 562-574",2007,Oct.
"河野 克哉,二羽淳一郎,大滝 晶生,村田 裕志","高強度軽量骨材コンクリートはりのせん断特性に及ぼす合成短繊維と収縮低減材料の併用効果",,"土木学会論文集E",,"Vol. 63","No. 4","pp. 575-589",2007,Oct.
"Toma Ionut Ovidiu,TOMOHIRO MIKI,JUNICHIRO NIWA","Shear Behavior of Doubly Reinforced Concrete Beams with and without Steel Fibers Affected by Distributed Cracks",,"土木学会論文集Ｅ",,"Vol. 63","No. 4","pp. 590-607",2007,Oct.
"桜田  道博,二羽淳一郎,大山 博明,森拓也","高強度繊維補強モルタルを使用したPC構造物",,"コンクリート工学",,"Vol. 45","No. 7","pp. 46-53",2007,July
"佃 有射,二羽淳一郎,横田 弘,長瀧 重義","水平載荷を受けるステンレス鉄筋をRC柱部材に関する実験的研究",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 901-906",2007,July
"Ionut Ovidiu Toma,TOMOHIRO MIKI,JUNICHIRO NIWA","Predicting the Shear Crack Location in RC Beams with Random Cracks Using the Crack Density Parameter",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 673-678",2007,July
"CHUNYAKOM SIVALEEPUNTH,JUNICHIRO NIWA,Satoshi Tamura,Yuzuru Hamada","Flexure Behavior of Segmental Concrete Beams Prestressed with External Tendons",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 433-438",2007,July
"河野克哉,二羽淳一郎,大滝晶生","ポリプロピレン短繊維で補強した高強度軽量RCはりのせん断強度式",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 1549-1554",2007,July
"村田裕志,二羽淳一郎,大熊 光,川口 哲生","プレストレスを導入したUFCトラス材を有する複合ＰＣ部材の単純化格点構造",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 901-906",2007,July
"野間康隆,三木 朋広,二羽淳一郎","再生骨材を用いたコンクリートのひび割れ進展挙動に関する研究",,"コンクリート工学年次論文集",,"Vol. 29","No. 2","pp. 397-402",2007,July
"阪本陽一,三木 朋広,二羽淳一郎","画像解析によるコンクリートの局所的圧縮破壊領域の同定",,"コンクリート工学年次論文集",,"Vol. 29","No. 2","pp. 43-48",2007,July
"野見山佳彦,三木 朋広,二羽淳一郎,森拓也","３次元有限要素解析による接合部を有するRC部材のずれせん断挙動の評価",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 499-504",2007,July
"雨宮美子,市岡 隆興,三木 朋広,二羽淳一郎","上床版コンクリートとプレテンションウエブ間のずれせん断耐力に関する実験的研究",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 505-510",2007,July
"木村利秀,三木 朋広,二羽淳一郎","鋼繊維とスターラップによりせん断補強されたRCはりのせん断耐力に関する研究",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 1417-1422",2007,July
"千明 英祐,二羽淳一郎,田中良弘,片桐誠","ＵＦＣパネルの押抜きせん断抵抗性に関する研究",,"コンクリート工学年次論文集",,"Vol. 29","No. 3","pp. 1741-1746",2007,July
"Ionut Ovidiu Toma,TOMOHIRO MIKI,JUNICHIRO NIWA","Sttel Fibers as a Tool to Improve Shear Carrying Capacity of RC Beams with Random Cracks","Fifth International Conference on Concrete under Severe Conditions Environment and Loading (CONSEC'07)","Proceeding of the 5th International Conference on Concrete under Severe Conditions: Invironment and Loading",,"Vol. 1",,"pp. 777-786",2007,June
"TOMOHIRO MIKI,Ionut Ovidiu Toma,JUNICHIRO NIWA","Experimental Study on the Shear Capacity of Randomly-Cracked Longitudinally-Reinforced FRC Beams","Sixth International Conference on Fracture Mechanics of Concrete Structures (FRAMCOS-6)","Proceeding of Sixth International Conference on Fracture Mechanics of Concrete Structures (FRAMCOS-6)",,"Vol. 2",,"pp. 701-708",2007,June
"Sivaleepunth, C.,Watanabe, K.,Miki, T.,Niwa, J","The Influence of Segmental Length on the Shear Behavior of Segmental Concrete Members",,"Fifth International Conference on Urban Earthquake Engineering",,,,"pp. 233-238",2007,Mar.
"野間康隆,三木 朋広,河野克哉,二羽淳一郎","各種リサイクル材料を用いたコンクリートの力学特性に関する研究",,"土木学会論文集E",,"Vol. 63","No. 1","pp. 1-13",2007,Jan.
"Ionut Ovidiu Toma,TOMOHIRO MIKI,JUNICHIRO NIWA","Influence of Random Cracks on the Shear Behavior of Reinforced Concrete Beams Containing Steel Fibers",,"土木学会論文集Ｅ",,"Vol. 63","No. 1","pp. 66-78",2007,Jan.
"村田 裕志,二羽淳一郎,田中 良弘,片桐 誠","プレストレスを導入したUFCトラス材を用いた複合ＰＣ構造に関する研究",,"土木学会論文集Ｅ",,"Vol. 63","No. 1","pp. 92-102",2007,Jan.
"田村　聖,濱田　譲,Sivaleepunth, C.,二羽淳一郎","外ケーブルを用いたPCはり部材のせん断耐力評価法に関する一考察",,"プレストレストコンクリートの発展に関するシンポジウム論文集",,"Vol. 15",,"pp. 323-328",2006,Oct.
"桜田道博,大山博明,森　拓也,二羽淳一郎","超高強度繊維補強モルタルを使用した塔状構造物に関する実験的研究",,"プレストレストコンクリートの発展に関するシンポジウム論文集",,"Vol. 15",,"pp. 449-454",2006,Oct.
"Murata, H.,Niwa, J.,Tanaka, Y.,Katagiri, M.","Mechanical Properties of Composite PC Girders Using Prestressed UFC Truss",,"Materials, Experimentation, Maintenance and Rehabilitation: Proceedings of EASEC-10",,,,"pp. 437-442",2006,Aug.
"Toma, I.O.,Miki, T.,Niwa, J.","Influence of Steel Fibers on the Behavior of RC Beams with Random Cracks",,"Materials, Experimentation, Maintenance and Rehabilitation: Proceedings of EASEC-10",,,,"pp. 413-418",2006,Aug.
"二羽淳一郎","繊維補強コンクリートの将来像",,"橋梁と基礎",,"Vol. 40","No. 8","pp. 80-84",2006,Aug.
"Miki, T.,Niwa, J.","Nonlinear Analysis of RC Structures Subjected to Seismic Loads by 3D Lattice Model",,"Wind and Earthquake Engineering, Proceedings of EASEC-10",,,,"pp. 237-242",2006,Aug.
"Bui, K.D.,Niwa, J.","Calculating the Ultimate Stress in Unbonded Tendons",,"Real Structures: Bridges and Tall Buildings, Proceedings of EASEC-10",,,,"pp. 69-74",2006,Aug.
"Sivaleepunth, C.,Niwa, J.,Bui, K.D.,Tamura, S.,Hamada, Y.","Influence of Prestress on the Inclination of Diagonal Crack of Externally Prestressed Concrete Beams",,"Real Structures: Bridges and Tall Buildings",,,,"pp. 257-262",2006,Aug.
"Noma, Y.,Kono, K.,Niwa, J.","Study on Mechanical Properties of Concrete Using Recycled Materials",,"Materials, Experimentation, Maintenance and Rehabilitation: Proceedings of EASEC-10",,,,"pp. 543-548",2006,Aug.
"大熊　光,二羽淳一郎,阪本陽一,片桐　誠","超高強度繊維補強コンクリートウェブとコンクリート床版との接合構造",,"コンクリート工学年次論文集",,"Vol. 28","No. 2","pp. 1693-1698",2006,July
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