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三向隔震不锈钢丝金属橡胶力学性能试验研究
引用本文:毛晨曦,赵亚哥白,李素超,李惠.三向隔震不锈钢丝金属橡胶力学性能试验研究[J].世界地震工程,2010,26(4).
作者姓名:毛晨曦  赵亚哥白  李素超  李惠
作者单位:1. 中国地震局工程力学研究所,黑龙江,哈尔滨,150080
2. 东北林业大学土木工程学院,黑龙江,哈尔滨,150040
3. 哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090
基金项目:中国地震局工程力学研究所中央级公益性研究所基本科研业务费专项项目(2007B15); 国家自然科学基金项目(50808165,90915003)
摘    要:为开发金属橡胶三向隔震器,文中针对不同成型密度的不锈钢丝金属橡胶试件,分别在拟静力、动力荷载作用下进行压缩和剪切性能试验,测试试件成型密度、加载幅值、循环加载次数、动力加载频率等因素对金属橡胶材料压缩和剪切滞变性能的影响规律,分析研究各试件的力学性能和阻尼性能。研究结果表明,金属橡胶材料承受压缩和剪切变形时均具有良好的变形能力(压缩荷载下可回复变形达40%,剪切荷载下可回复变形达80%),其滞变耗能能力随着试件成型密度的增大而增大;加载频率和加载次数对金属橡胶压缩和剪切滞变性能几乎没有影响;压缩荷载下试件的割线模量大于剪切荷载下的割线模量,但压缩变形时的等效阻尼比小于剪切变形下的等效阻尼比。

关 键 词:金属橡胶  三向隔震器  压缩  剪切  滞变性能  

Mechanical behavior of stainless steel metallic pseudo-rubber for three-directional isolation
MAO Chenxi,ZHAO Yagebai,LI Suchao,LI Hui.Mechanical behavior of stainless steel metallic pseudo-rubber for three-directional isolation[J].World Information On Earthquake Engineering,2010,26(4).
Authors:MAO Chenxi  ZHAO Yagebai  LI Suchao  LI Hui
Institution:MAO Chenxi1,ZHAO Yagebai2,LI Suchao3,LI Hui3(1.Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China,2.School of Civil Engineering,Northeast Forestry University,Harbin 150040,3.School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China)
Abstract:In order to develop novel three directional isolators,a large number of tests of the stainless steel metallic-pseudo-rubber(MPR) material were carried out.The mechanical properties of stainless steel MPR specimens with various nominal densities were tested.Static and dynamic compression and shear loads were applied on the specimens.During the tests,the influence of several important factors such as nominal density,strain amplitude,cyclic loading number and loading frequency on the mechanical behavior of MPR...
Keywords:metallic pseudo-rubber  three directional isolation  compression  shear  hysteretic property  
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