[1]鄢生全,邵晨曦,曹飒飒.SMA负刚度双曲面减震装置的优化及抗震性能研究[J].世界地震工程,2023,39(01):100-108.[doi:10.19994/j.cnki.WEE.2023.0011]
　YAN Shengquan,SHAO Chenxi,CAO Sasa.Optimization and seismic performance of SMA-based negative stiffness isolation device[J].,2023,39(01):100-108.[doi:10.19994/j.cnki.WEE.2023.0011]
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SMA负刚度双曲面减震装置的优化及抗震性能研究
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《世界地震工程》[ISSN:/CN:]

卷:
39
期数:
2023年01期
页码:
100-108
栏目:
常规论文
出版日期:
2023-02-15

文章信息/Info

Title:
Optimization and seismic performance of SMA-based negative stiffness isolation device
文章编号:
1007-6069(2023)01-0100-09
作者:
鄢生全1; 邵晨曦2; 曹飒飒2
1.保利长大工程有限公司,广东广州511431;2.广州大学土木工程学院,广东广州510006
Author(s):
YAN Shengquan1;  SHAO Chenxi2;  CAO Sasa2
1. Poly Changda Engineering CO.,lTD., Guangzhou 511431, China; 2. Civil Engineering Guangzhou University, Guangzhou 510006, China
关键词:
桥梁抗震;  负刚度;  形状记忆合金;  限位能力;  数值模拟
Keywords:
seismic design of bridge;  negative stiffness;  shape memory alloy;  displacement-limiting capacity;  numerical simulation
分类号:
TU318
DOI:
10.19994/j.cnki.WEE.2023.0011
文献标志码:
A
摘要:
SMA负刚度双曲面隔震装置的试验结果表明:绕支座布置的SMA索在支座转弯处不能自由滑动,导致SMA索的受力与设计目标严重不符。为解决上述问题,拟提出一种优化升级的SMA负刚度双曲面减震装置。基于某一连续梁桥,比较研究了正刚度、零刚度与该负刚度装置的抗震性能。结果表明:该优化装置具有良好的耗能能力、自恢复性能以及强震下的限位能力。与正刚度装置及零刚度装置相比,该装置具有更好的抗震性能。
Abstract:
The experimental results of SMA-based negative stiffness isolator show that the SMA cables arranged around the bearing can not slide freely, cause the serious inconsistency between the stress of SMA cables and the design goal. To solve this issue, an optimized SMA-based negative stiffness isolation device was proposed. Based on a continuous bridge, the seismic performance of positive stiffness, zero stiffness and negative stiffness devices is compared. The results show that the device has good energy dissipation capacity, re-centering capability and displacement-limiting capacity. Compared with other devices, the device has a better seismic performance.

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　SONG Kai,WANG Zhi-qiang,HU Shi-de.Study on measures for improving the seismic performance of bridges[J].,2008,(01):158.
[2]孙治国,刘亚明,司炳君,等.基于OpenSees的桩-土-桥墩相互作用非线性数值分析模型[J].世界地震工程,2018,34(04):067.
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备注/Memo

备注/Memo:
收稿日期:2022-05-15; 修回日期:2022-08-09
基金项目:国家自然科学基金项目(52178124,51608136, 51278134); 广东省自然科学基金(2020A1515010231); 广东省科技计划项目(2020A1414010271); 中国地震局工程力学研究所基本科研业务费专项(2019D19)
作者简介:鄢生全(1983 —),男,高级工程师,学士,主要从事路桥施工管理工作.E-mail: 89580826@qq.com
通讯作者:曹飒飒(1982 —),男,博士,主要从事桥梁抗震研究.E-mail: cao@gzhu.edu.cn
更新日期/Last Update: 1900-01-01