| 基于Pushover方法的大跨度悬挑钢梁结构的弹塑性分析 |
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| 引用本文： | 姚瞳,关群. 基于Pushover方法的大跨度悬挑钢梁结构的弹塑性分析[J]. 安徽建筑大学学报, 2016, 24(3): 17-22. DOI: 10.11921/j.issn.2095-8382.20160304 |
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| 作者姓名： | 姚瞳 关群 |
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| 作者单位： | 合肥工业大学土木与水利工程学院,安徽 合肥,230009;合肥工业大学土木与水利工程学院,安徽 合肥,230009 |
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| 摘 要： | 本文以某实际工程为例,采用静力弹塑性分析方法,通过SAP2000进行Pushover分析,研究大跨度悬挑梁在地震作用下的结构抗震性能。通过在多遇和罕遇地震荷载作用下对结构的顶点位移、层间位移角以及塑性铰发展过程的研究,分析其抗震性能。同时研究不同悬挑长度对结构抗震性能的影响规律并提出相应的加固措施,可为今后类似结构的设计与抗震分析提供参考。
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| 关 键 词： | Pushover 大跨度 悬挑梁 塑性铰 抗震性能 |
The Ansysis of the Large Span Cantilever Steel Beam Structure Based on Pushover |
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| YaoTong and Guan Qun. The Ansysis of the Large Span Cantilever Steel Beam Structure Based on Pushover[J]. Journal of Anhui Jianzhu University, 2016, 24(3): 17-22. DOI: 10.11921/j.issn.2095-8382.20160304 |
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| Authors: | YaoTong and Guan Qun |
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| Affiliation: | School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China and School of Civil and Hydraulic Engineering, Hefei University of Technology, Hefei 230009, China |
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| Abstract: | This paper takes a practical project as an example,using nonlinear static analysis method to research cantilevered structure seismic performance under earthquake action.SAP2000 will be used for Pushover analysis.This paper analyzes the seismic performance of the structure through the top displacement,the interlayer displacement angle of the structure and the development of plastic hinges in frequently and seldom occurred earthquakes. Meanwhile,it studies the influence of different cantilever length on seismic performance of structures,and puts forward the corresponding reinforcement measures.Such being the case,this paper can provide reference for the design and seismic analysis of similar structure. |
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| Keywords: | Pushover large span cantilever structure plastic hinge seismic performance |
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