"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. "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