储液结构隔震优化模型及其影响参数分析

侯钢领; 李祯; 贾晓飞; 宋天舒

doi:10.6052/j.issn.1000-4750.2015.04.S052

储液结构隔震优化模型及其影响参数分析

哈尔滨工程大学航天与建筑工程学院, 黑龙江, 哈尔滨 150001

基金项目: 国家科技支撑计划项目(2014bak14b05);中央高校基本科研业务费专项资金项目(HEUCFZ1127)

详细信息

作者简介:
李祯(1988-),女(满族),辽宁本溪人,博士生,从事高性能混凝土及结构抗震研究(E-mail:lizhen123455lizhen@126.com);贾晓飞(1991-),男,河北邢台人,硕士生,从事结构动力学及核电结构抗震研究(E-mail:jxfopt@126.com);宋天舒(1962-),男,黑龙江哈尔滨人,教授,博士,博导,从事圆柱壳大开孔问题及断裂动力学研究(E-mail:songts@126.com).

通讯作者:
侯钢领(1973-),男,陕西合阳人,副教授,博士,硕导,从事结构可靠度及结构抗震、核电结构研究(E-mail:hhhgl@sina.com).

中图分类号: TU352.1
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- 文章访问数: 285
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出版历程
- 收稿日期: 2015-04-28
- 修回日期: 2016-04-04
- 刊出日期: 2016-06-24

OPTIMAL ISOLATED MODELS OF STORAGE TANKS AND ITS INFLUENTIAL FACTORS ANALYSIS

College of Aerospace & Civil Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, China

摘要

摘要: 针对储液结构地震响应包括储液部分的刚体运动、中高频的冲击运动和低频的对流运动以及下部支撑部分的结构运动,导致该系统对频带宽、随机性强的地震动响应敏感,该文从概率优化的角度探讨基础隔震、层间隔震和非隔震储液结构的地震响应及其参数影响规律。基于Haroun-Housner储液结构动力模型,建立并给出了非隔震模型、层间隔震模型、基础隔震模型的动力控制方程。提出以其基底剪力的均值和标准差作为优化目标函数,以隔震层周期作为优化变量的优化模型,并在MATLAB软件平台上实现了该模型。通过单参数影响分析,研究了水箱结构与下部支撑结构的重量比、下部支撑结构的刚度、水箱结构储液高度与半径比、场地变化等因素对各种模型地震响应的影响。该研究成果对隔震技术在储液结构中的应用、提高储液结构的抗震性能等方面具有参考价值。
- 储液结构 /
- 基础隔震 /
- 层间隔震 /
- 优化模型 /
- 抗震分析
Abstract: Since the response of storage tanks includes rigid body motion, impulse motion with middle and high natural frequency, convection motion with low natural frequency of storage liquid part, and structural motion of tower part, the storage tank system response is sensitive under the earthquake ground motion with broad frequency and high random parameters. In this paper, the seismic response of non-isolated model, story isolated model and base isolated model and its influential factors are studied by an optimal method. The governing motion equation of non-isolated model, story-isolated model and base-isolated model are built on Haroun-Housner theory. The optimal model, which is computed in MATLAB, is established using the mean and standard deviation of base shear as the objective function, and using the isolated period as the optimized parameter. Then the relationship between optimization model parameters and seismic response is illustrated. The influence rules are presented that the storage tank response is affected by the weight ratio of tank and tower, tower stiffness, tank aspect ratio and site classification. The research method and conclusion may be beneficial to isolated storage tank and improve the seismic performance of the tank.
- storage tank /
- base isolation /
- story isolation /
- optimal model /
- seismic analysis

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参考文献(16)

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文章访问数: 285
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储液结构隔震优化模型及其影响参数分析

通讯作者: 侯钢领(1973-),男,陕西合阳人,副教授,博士,硕导,从事结构可靠度及结构抗震、核电结构研究(E-mail:hhhgl@sina.com).

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出版历程

OPTIMAL ISOLATED MODELS OF STORAGE TANKS AND ITS INFLUENTIAL FACTORS ANALYSIS

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目录

通讯作者:
侯钢领(1973-),男,陕西合阳人,副教授,博士,硕导,从事结构可靠度及结构抗震、核电结构研究(E-mail:hhhgl@sina.com).