"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. "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 "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. "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. "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. "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. "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 "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 "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. "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. "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 "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 "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 "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 "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 "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 "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 "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 "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 "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 "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,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 "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,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 "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. "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.