预应力混凝土框架结构抗震性能伪静力试验研究
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摘要
进行了有粘结和无粘结预应力两榀混凝土框架结构在低周反复荷载作用下的伪静力实验。有粘结试件的梁端裂缝和柱脚裂缝均比无粘结试件要早,有粘结试件的破坏水平位移比无粘接的大。比较分析表明,两结构都表现出较好的延性和耗能能力,但有粘结件稍强一些。试验结果说明预应力框架的设计中应适当提高柱梁的强度比要求。
Two models of prestressed concrete frame structure Pf(with bonded tendons) and UPf(without bonded tendons) are pseudostaticly tested under low-reversed cyclic loading.The crack loads of the Pf at the end of beam and the column are smaller than those of the UPf,but the failure displacement is larger.Both structures have good ductility and energy dissipation capacity,but those of the Pf are better.The test results show that in the prestressed concrete frame structure design,the strength ratio of column to beam should be increased adequately.
Two models of prestressed concrete frame structure Pf(with bonded tendons) and UPf(without bonded tendons) are pseudostaticly tested under low-reversed cyclic loading.The crack loads of the Pf at the end of beam and the column are smaller than those of the UPf,but the failure displacement is larger.Both structures have good ductility and energy dissipation capacity,but those of the Pf are better.The test results show that in the prestressed concrete frame structure design,the strength ratio of column to beam should be increased adequately.
引文
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2.陶学康.后张预应力混凝土设计手册.中国建筑工业出版社,1996.
3.苏小卒.预应力混凝土框架抗震性能研究.上海科学技术出版社,1997.
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5.王红囡.预应力混凝土框架结构抗震性能研究.硕士学位论文,同济大学,2003.
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