[1]尚守平,权志威,崔向龙.三维隔震墩的隔震性能研究[J].地震工程与工程振动,2018,(01):154-160.[doi:10.13197/j.eeev.2018.01.154.shangsp.017]
 SHANG Shouping,QUAN Zhiwei,CUI Xianglong.The research of three-dimensional seismic isolation pier vibration isolation performance[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(01):154-160.[doi:10.13197/j.eeev.2018.01.154.shangsp.017]
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三维隔震墩的隔震性能研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年01期
页码:
154-160
栏目:
论文
出版日期:
2018-06-30

文章信息/Info

Title:
The research of three-dimensional seismic isolation pier vibration isolation performance
作者:
尚守平1 权志威1 崔向龙2
1. 湖南大学 土木工程学院, 湖南 长沙 410082;
2. 国网济南供电公司, 山东 济南 250001
Author(s):
SHANG Shouping1 QUAN Zhiwei1 CUI Xianglong2
1. College of Civil Engineering, Hunan University, Changsha 410082, China;
2. State Grid Jinan Power Supply Company, Jinan 250001, China
关键词:
三维隔震墩拟静力试验有限元隔震时程分析
Keywords:
three-dimensional seismic isolation pierthe pseudo-static testfinite elementisolationtime-history analysis
分类号:
TU352.1;TU317
DOI:
10.13197/j.eeev.2018.01.154.shangsp.017
摘要:
通过三维隔震墩的拟静力试验研究其水平刚度,将试验结果与三维隔震墩的设计理论值进行比较。结果表明:试验结果与设计理论值相对误差在[7.4% 24.4%]之间,验证了该隔震装置设计理论的合理性。利用ANSYS建立4层框架结构隔震与非隔震模型并进行时程分析,研究三维隔震墩的隔震性能。有限元对比分析结果表明:在考虑竖向地震动三维耦合作用情况下,框架梁截面竖向剪力增大,多层房屋的竖向地震动作用不可忽略;在输入不同地震动情况下,可以将水平加速度有效衰减40%以上,梁截面内力减小30%以上,该隔震装置的隔震性能良好。
Abstract:
This paper examines horizontal stiffness through the pseudo-static experiment of three-dimensional seismic isolation pier. Results indicate that relative error between test results and designed theoretical results varies from 7.4% to 24.4%, verifying reasonableness of the research design. The test uses ANSYS to build a three-tier framework for both isolation and non-isolation model, and conducts time-history analysis to study the isolation performance of three-dimensional seismic isolation pier. Results of the finite element analysis show that as the beam shear force increases and as vertical seismic 3D coupling cases are taken into consideration, the effect of vertical seismic action of multi-stores buildings cannot be ignored. Also, tested in different input ground motion cases, the three-dimensional seismic isolation pier can effectively reduce horizontal acceleration to over 40%, and can reduce the beam inner force to over 30%, proving its excellent isolation performance.

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备注/Memo

备注/Memo:
收稿日期:2017-02-09;改回日期:2017-06-17。
基金项目:国家"十二五"科技支撑计划项目(2015BAL03B01)
作者简介:尚守平(1953-),男,教授,博士生导师,主要从事土-结构相互作用、结构抗震及结构加固研究.E-mail:sps@hnu.edu.cn
更新日期/Last Update: 1900-01-01