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Experimental and Finite Element Analysis for Multi-lead Rubber Bearings:A Comparative Study

Experimental and Finite Element Analysis for Multi-lead Rubber Bearings:A Comparative Study
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摘要 The mechanical properties of multi-lead rubber bearings （MLRBs） were investigated by experiment and finite element analysis. First, the vertical stiffness, horizontal stiffness and yielded shear force were tested for four MLRB specimens and two specimens of the single-lead rubber bearings （ SLRBs）. Then, the MLRBs were modeled by the explicit finite element analysis software ANSYS/ LS-DYNA, in order to evaluate the horizontal force-displacement hysteretic curves under static vertical and dynamical horizontal loadings. The disagreement between the tested and theoretical values was less than 11.4%, and MLRBs and SLRBs were similar in vertical stiffness, pre-yield stiffness and yield stiffness. The mechanical properties of multi-lead rubber bearings （MLRBs） were investigated by experiment and finite element analysis. First, the vertical stiffness, horizontal stiffness and yielded shear force were tested for four MLRB specimens and two specimens of the single-lead rubber bearings （ SLRBs）. Then, the MLRBs were modeled by the explicit finite element analysis software ANSYS/ LS-DYNA, in order to evaluate the horizontal force-displacement hysteretic curves under static vertical and dynamical horizontal loadings. The disagreement between the tested and theoretical values was less than 11.4%, and MLRBs and SLRBs were similar in vertical stiffness, pre-yield stiffness and yield stiffness.
作者 聂肃非 江宜城 叶志雄 李黎
机构地区 School of Civil Engineering and Mechanics Hubei Key Laboratory of Control Structure
出处 《Journal of Southwest Jiaotong University(English Edition)》 2010年第2期134-139,共6页 西南交通大学学报（英文版）
关键词 Bridge seismic isolation Multi-lead rubber bearing Nonlinear mechanical properties Experimental study Explicit finite element analysis Bridge seismic isolation Multi-lead rubber bearing Nonlinear mechanical properties Experimental study Explicit finite element analysis
分类号 U443.36 [建筑科学—桥梁与隧道工程]
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Journal of Southwest Jiaotong University(English Edition)
2010年 第2期

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