考虑施工缝影响的框架结构抗震性能试验研究

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基金项目:

江苏省重点实验室资助项目

EXPERIMENTAL STUDY ON SEISMIC PERFORMANCE OF CONCRETE FRAME CONSIDERING THE EFFECT OF CONSTRUCTION JOINTS UNDER LOW CYCLE REVERSED LOADING

摘要: 对一组留置施工缝,一组未留置施工缝的两组单榀两层两跨框架结构进行了低周反复荷载作用下的试验研究,对两组框架的滞回性能、延性、刚度退化等性能作了深入的分析。研究了框架结构中因为施工缝的存在而对结构整体抗震性能的影响。试验研究结果表明:施工缝的存在对结构抗震性能的影响还是比较明显的。
- 施工缝 /
- 抗震性能 /
- 低周反复 /
- 滞回曲线
Abstract: It is des igned a contrast experiment on two s ets of two-s pan and two- story RC frames under low cycle reversed loading, One frame has construction joints while the other has not. According to the experiment results, hysteres is behavior, ductility, rigidity degeneration etc. are studied systematically. And studies show that the RC frame without construction joints has better seismic performance than the other .
- construction joints /
- seismic performance /
- low cycle reversed lateral load /
- hysteresis curve