CAJ | 학술논문

通过在预应力高强混凝土管桩中掺加钢丝端钩型钢纤维、剪切端钩型钢纤维和同等条件下未掺加钢纤维的管桩进行拟静力试验研究，研究钢纤维及其体积率对预应力高强混凝土管桩延性性能的影响。对比分析预应力高强混凝土管桩的破坏特征、承载能力、变形能力及延性性能。结果表明，钢纤维增强的预应力高强混凝土管桩的破坏特征得到改善，承载能力及变形能力得到提高，延性性能得到显著改善。随着钢纤维体积率的增加，预应力高强混凝土管桩的延性性能得到提高。
통과재예응력고강혼응토관장중참가강사단구형강섬유、전절단구형강섬유화동등조건하미참가강섬유적관장진행의정력시험연구，연구강섬유급기체적솔대예응력고강혼응토관장연성성능적영향。대비분석예응력고강혼응토관장적파배특정、승재능력、변형능력급연성성능。결과표명，강섬유증강적예응력고강혼응토관장적파배특정득도개선，승재능력급변형능력득도제고，연성성능득도현저개선。수착강섬유체적솔적증가，예응력고강혼응토관장적연성성능득도제고。
In order to research the effect of steel fiber and volume ratio of steel fiber on ductility behavior of the prestressed high strength concrete pipe pile,the prestressed high strength concrete pipe pile reinforced by wire end hook steel fibers,shear end hook steel fiber and without reinforcement were tested under low cyclic loading.The results in terms of damage characteristic ,bearing capacity,dis-placement and ductility were analyzed.It is shown that the damage characteristic of prestressed high strength concrete pipe piles reinforced by steel fiber is improved,the bearing capacity and the deformation behavior are enhanced and the ductility is also improved.With the vol-ume ratio of steel fiber increases,the ductility of prestressed high strength concrete pipe piles reinforced by steel fiber is enhanced.