[1]苏明周,李蕴杰,张 浩,等.带端板连接可更换耗能梁段的钢框筒结构地震易损性分析[J].西安建筑科技大学学报(自然科学版),2022,54(04):491-499.[doi:10.15986/j.1006-7930.2022.04.003]
　SU Mingzhou,LI Yunjie,ZHANG Hao,et al.Seismic vulnerability analysis of steel framed-tube structure with replaceable shear links connected by end-plates[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2022,54(04):491-499.[doi:10.15986/j.1006-7930.2022.04.003]
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带端板连接可更换耗能梁段的钢框筒结构地震易损性分析()
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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:
54
期数:
2022年04期
页码:
491-499
栏目:
出版日期:
2022-08-28

文章信息/Info

Title:
Seismic vulnerability analysis of steel framed-tube structure with replaceable shear links connected by end-plates
文章编号:
1006-7930(2022)04-0491-09
作者:
苏明周1; 李蕴杰2; 张 浩1; 连 鸣1
(1.西安建筑科技大学 土木工程学院,陕西 西安 710055; 2.西安建筑科技大学 安德学院,陕西 西安 710055)
Author(s):
SU Mingzhou1; LI Yunjie2; ZHANG Hao1; LIAN Ming1
(1.School of Civil Engineering, Xi'an Univ. of Arch.& Tech., Xi'an 710055, China; 2.XAUAT UniSA An De College, Xi'an Univ. of Arch. & Tech., Xi'an 710055, China)
关键词:
钢框筒;  IDA;  地震易损性分析;  抗震性能评估
Keywords:
steel framed-tube structure;  IDA;  seismic vulnerability analysis;  seismic performance evaluation
分类号:
TU392.2
DOI:
10.15986/j.1006-7930.2022.04.003
文献标志码:
A
摘要:
为研究带端板连接可更换耗能梁段高强钢框筒结构(HSS-SFTS)的地震易损性,采用SAP2000软件建立20层、30层、40层HSS-SFTS典型算例模型,从PEER地震数据库中分别选取40条近场含脉冲型和40条普通远场地震波,基于增量动力法(IDA)获得算例在远、近场地震作用下的IDA曲线簇.同时,基于四水准抗震设防目标获得不同极限状态下的地震易损性曲线,并对HSS-SFTS进行地震易损性评估.结果表明:HSS-SFTS算例在四个不同设防水准下的超越概率均小于50%,满足“小震不坏、中震轻度损伤、大震可更换、巨震防倒塌”的抗震设防目标,具有良好的抗震性能; 各算例对应不同水准下近场脉冲型地震的超越概率均高于普通远场地震至少20%,表明近场脉冲型地震对结构的塑性损伤程度影响更大.
Abstract:
In order to study the seismic fragility of high-strength steel frame-and-tube structures(HSS-SFTS)with end-plate bolted connection of replaceable shear links, the finite element models of 20-story, 30-story and 40-story HSS-SFTS were established by using of SAP2000 software. From the PEER seismic database, 40 near-field pulsed and 40 ordinary far-field seismic waves were selected respectively, and the IDA curve clusters of the example under the action of far-field and near-field earthquakes were obtained based on the incremental dynamic method(IDA). At the same time, the seismic vulnerability curves under different limit states were obtained based on the four-level seismic fortification target, and the seismic vulnerability evaluation of HSS-SFTS was carried out. The results show that the exceedance probability of the HSS-SFTS example under the four different fortification levels is less than 50%, which can meet the seismic fortification aims of “no damage in small earthquakes, mild damage in moderate earthquakes, replaceable in large earthquakes, and anti-collapse in huge earthquakes”, and has good seismic performance. The surpass probability of near-field pulsed earthquakes corresponding to different levels of each example is at least 20% higher than that of ordinary far-field earthquakes, indicating that the near-field pulsed earthquakes have a deeper degree of plastic damage to the structure.

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相似文献/References:

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　GUAN Binlin,LIAN Ming,SU Mingzhou,et al.A new method for estimating section dimension of high-rise steel framed-tube structure[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2018,50(04):526.[doi:10.15986/j.1006-7930.2018.04.010]
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备注/Memo

备注/Memo:
收稿日期:2021-07-13修改稿日期:2022-08-22
基金项目:国家自然科学基金资助项目(51708444); 陕西省自然科学基金基础研究计划项目(2018JQ5074)
第一作者:苏明周(1971—),男,教授,博士,博导,主要从事新型钢结构体系和设计理论研究.E-mail:sumingzhou@xauat.edu.cn. 通信作者:张 浩(1993—),男,讲师,博士,主要从事新型钢结构体系抗震性能研究.E-mail:zhanghao0219@xauat.edu.cn
更新日期/Last Update: 2022-08-28