钢制澄清罐地震易损性分析

IF 1.2 4区 工程技术 Q3 ACOUSTICS
Chuyun Cheng, Xiwei Cheng, Wanlin Zhang, Xinhai Zhou, Junliang Hong, Xuansheng Cheng
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引用次数: 1

摘要

易感度作为一种物理分析方法,不仅可以预测结构在不同危害等级下的破坏概率,还可以预防结构因易损件损伤而引发的灾害。为研究地震作用下钢澄清罐的易感性,本研究分析了钢澄清罐在近场冲击、近场无冲击、远场地震动作用下的动力响应,采用增量动力分析法导出IDA曲线簇,并通过易感性曲线进行相关研究,分析澄清罐结构的易感性。研究结果表明,不同地震动强度下澄清池的破坏概率不同。地震作用下澄清槽液波高的超越概率最大,近场脉冲地震作用下澄清槽液波高的超越概率次之,近场非脉冲地震作用下澄清槽液波高的超越概率最小,近场脉冲和远场地震作用下澄清槽液波高的超越概率相似。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Seismic Vulnerability Analysis of Steel Clarification Tank
As a physical analysis method, susceptibility not only predicts the probability of failure of a structure under different hazard levels but also prevents disasters induced by structural damage due to vulnerable members. To study the susceptibility of steel clarification tank under earthquake action, this study analyzes the dynamic response of steel clarification tank under near-field impulse, near-field no impulse, and far-field ground shaking, derives IDA curve clusters by incremental dynamic analysis method, and conducts related studies to analyze the susceptibility of clarification tank structures through susceptibility curves. The results of the study show that the probability of failure of the clarification tank under different ground shaking intensities is different. The probability of liquid wave height transcendence of the clarification tank under seismic action is the largest, the probability of liquid wave height transcendence of the clarification tank under near-field pulsed seismic action is the second, the probability of liquid wave height transcendence of the clarification tank under near-field nonpulsed seismic action is the smallest, and the probability of transcendence occurs similarly in near-field pulsed and far-field seismic actions.
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来源期刊
Shock and Vibration
Shock and Vibration 物理-工程:机械
CiteScore
3.40
自引率
6.20%
发文量
384
审稿时长
3 months
期刊介绍: Shock and Vibration publishes papers on all aspects of shock and vibration, especially in relation to civil, mechanical and aerospace engineering applications, as well as transport, materials and geoscience. Papers may be theoretical or experimental, and either fundamental or highly applied.
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