摘要
作者在钢管混凝土柱支座隔震房屋实验研究中发现，隔震支座中上盖与底座的接触无论如何处理，摩擦力总是存在的．因此，隔震支座实际上是摩擦耗能与钢管混凝土耗能复合减震系统。本文通过对单个和一组隔震支座的实验研究，确定了短柱支座的恢复力模型，采用了高阶单步算法分析了装有此类支座隔震结构的地震反应，验证了复合隔震支座良好的隔震性能及隔震效果。
In the experimental study on the base-isolation building with short colunm bearing of steel tube concrete, we find that the face friction forcc of top and bottom of the isolation bearing is always existing. In this paper, through the pseudo static tests of isolation bearings,the restoring force model of the bearing is set up. On the basis of these results, the seismic response analysis for a base-isolation building with short column bearing of friction-steel tube concrete is performed by using the high order single step method. The results prove that short column bearing of friction-steel tube concrete has good effect on base isolation.
出处
《地震工程与工程振动》
CSCD
北大核心
2000年第2期134-138,共5页
Earthquake Engineering and Engineering Dynamics
基金
黑龙江省自然科学基金!E98-38
关键词
钢管混凝土短柱
摩擦
隔震
支座性能
short column of steel tube concrete
friction
base isolation
