[1]郑瑶,孙艺嘉,靳娜,等.低矮砌体结构橡胶隔震支座力学性能试验研究[J].西安建筑科技大学学报(自然科学版),2017,49(03):395-400.[doi:10.15986/j.1006-7930.2017.03.013]
　ZHENG Yao,SUN Yijia,JIN Na,et al.Test study on mechanical property of laminated rubber bearing isolators for low-rise masonry structure[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2017,49(03):395-400.[doi:10.15986/j.1006-7930.2017.03.013]
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低矮砌体结构橡胶隔震支座力学性能试验研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
49
期数:
2017年03期
页码:
395-400
栏目:
出版日期:
2017-06-30

文章信息/Info

Title:
Test study on mechanical property of laminated rubber bearing isolators for low-rise masonry structure
文章编号:
1006-7930(2017)03-0395-06
作者:
郑瑶1; 孙艺嘉1; 靳娜1; 肖华宁2; 张又超1
(1.长安大学建工学院，陕西 西安 710061;2.西安达盛隔震技术有限公司，陕西 西安 710075)
Author(s):
ZHENG Yao1;  SUN Yijia1;  JIN Na1;  XIAO Huaning2;  ZHANG Youchao1
(1.School of Civil Engineering, Chang′an University，Xi′an 710061 China; 2. Xi′an Dasheng Isolation Technology,Xi′an 710075，China )
关键词:
叠层橡胶隔震支座; 试验研究; 等效水平刚度; 第二形状系数; 减震系数
Keywords:
laminated rubber bearing isolators; experimental study; horizontal equivalent stiffness; second shape factor;  horizontal seismic reduction factor
分类号:
TU241.4
DOI:
10.15986/j.1006-7930.2017.03.013
文献标志码:
A
摘要:
为了研究适用于村镇低矮砌体房屋的隔震支座，对五种小直径铅芯叠层橡胶隔震支座进行水平刚度试验，研究隔震支座水平剪应变、第二形状系数对其等效水平刚度、屈服后刚度、滞回性能等力学性能的影响，给出不同剪应变下等效水平刚度、屈服后刚度随第二形状系数变化的拟合公式. 分析隔震支座水平刚度与结构模型减震系数、水平位移的关系，给出了相关性曲线的拟合公式. 确定了村镇建筑隔震参数并以此选取了适用于振动台模型的隔震支座，为隔震支座的设计提供了参考依据. 模拟振动台试验结果表明，所选小直径铅芯叠层橡胶隔震支座能够使村镇低矮砌体结构达到理想的减震效果.
Abstract:
In order to study the laminated rubber bearing isolatorsfor low-rise masonry structure invillages and smalltowns，horizontal stiffness tests were done on five kinds of small diameter lead core laminated rubber bearing isolators. It was studied that the effect of horizontal shear strain and second shape factor on the mechanical properties of the laminated rubber bearing isolators which include horizontal equivalent stiffness, post-yielding stiffness and hysteretic performance. The fitting formulas of horizontal equivalent stiffnessand post-yielding stiffness depending on second shape factor at different shear strain were given. The relationships between horizontal equivalent stiffnessand hysteretic performance as well as horizontal displacement were analyzed and the fitting formulas were given. Meanwhile,the laminated rubber bearing isolator which is suitable for shaking table testswas chosen according tothe isolation parameters of villages and small towns. The experiment and analysis provide a reference for laminated rubber bearing isolators designing. The result of simulation shaking table test indicate that the low-rise masonry structure with selected smalldiameter is able to achieve the desired damping effect.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-06-17 修改稿日期:2017-05-26 基金项目:陕西省工程标准编制基金资助项目（陕建承［2013］768号） 作者简介:郑瑶（1983-），男，博士生，主要从事砌体结构隔震理论及工程应用方面研究.E-mail:175233935@qq.com
更新日期/Last Update: 2017-08-27