摘要
依据 3次不同试验的研究成果和非线性回归分析 ,建立了计算延性桥墩塑性铰区范围最低约束箍筋用量的计算公式 ,并与公路工程抗震设计规范 (JTJ 0 0 4 - 89)有关规定和国外规范计算公式进行了比较。本文所建立的计算公式 。
The minimum quantity of confining transverse reinforcement in the potential plastic hinge regions of the ductile bridge piers is proposed in the paper.It is based on the nonlinear recurrence analysis.It is studied on that the test data of 25 pieces of flexural columns from three different quasi?static tests.The proposed formula is compared with the worldwide current provisions of seismic design code for highway bridges.It is also compared with the code JTJ 004?89 that is a code of the Ministry of Communications of China.It is found that many useful conclusions are obtained through the study
出处
《土木工程学报》
EI
CSCD
北大核心
2002年第5期47-51,共5页
China Civil Engineering Journal
基金
国家自然科学基金资助项目( 597780 2 9)
建设部"城市桥梁抗震设计规范"资助项目
关键词
延性桥墩
塑性铰区
约束箍筋
最低用量
抗震设计
ductile piers,plastic hinge regions confining transverse reinforcement,minimum guantity
