An analytical model for predicting the lateral-torsion coupling property of laminated rubber bearings

被引：12

作者：

Zhou, Fangyuan ^{[1
]}

Zhang, Zixiang ^{[2
]}

Wu, Dongdong ^{[1
]}

Zhu, Hongping ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Civil Engn & Mech, Wuhan, Hubei, Peoples R China

[2] CCCC Second Highway Consultants Co Ltd, Wuhan, Hubei, Peoples R China

来源：

JOURNAL OF SOUND AND VIBRATION | 2018年 / 427卷

基金：

中国国家自然科学基金;

关键词：

Laminated rubber bearing; Lateral-torsion coupling; Three-dimensional; Numerical model; Nonlinear analysis; SEISMIC ISOLATION BEARINGS; FINITE-ELEMENT-ANALYSIS; ELASTOMERIC BEARINGS; MECHANICAL MODEL; BASE-ISOLATION; EXCITATION; SYSTEMS;

D O I：

10.1016/j.jsv.2018.04.018

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Existing models for laminated rubber bearings neglect the lateral-torsion coupling property of their response behavior. Thus, in this paper, an analytical model considering the lateral-torsion coupling of laminated rubber bearings is proposed. The lateral stiffness and torsional stiffness of the bearing are determined by a three-dimensional multiple-parallel-spring model installed at the mid-height of the global analytical model. For numerical implementation, the bearing forces are found by solving the nonlinear equilibrium and kinematic equations using Newton's method, and the instantaneous stiffness matrix of the bearing is determined from the differentials of these equations. The response behavior of the model is confirmed by comparison with experimental data. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：1 / 14

页数：14

共 48 条

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