@article{CTT100549727,
  author = {CHUNYAKOM SIVALEEPUNTH and JUNICHIRO NIWA and Khac Diep BUI and Satoshi Tamura and Yuzuru Hamada},
  title = {Simplifired Truss Model for Externally Prestressed Concrete Beams},
  journal = {土木学会論文集Ｅ},
  year = 2007,
}

@article{CTT100560805,
  author = {CHUNYAKOM SIVALEEPUNTH and JUNICHIRO NIWA and Satoshi Tamura and Yuzuru Hamada},
  title = {Flexure Behavior of Segmental Concrete Beams Prestressed with External Tendons},
  journal = {コンクリート工学年次論文集},
  year = 2007,
}