郭博文,赵兰浩,常芳芳,王荆

• 1:黄河水利科学研究院
• 2:水利部堤防安全与病害防治工程技术研究中心
• 3:河海大学

摘要(Abstract)：

为了探究水力式升船机塔柱结构耦联体系流固耦合地震动响应规律,基于ADINA有限元分析软件,建立了三维水力式升船机塔柱结构耦联体系概化模型,探究了竖井内水深、承船厢所处位置以及流固耦合作用等因素对塔柱结构耦联体系地震动响应的影响规律,提出了水力式升船机塔柱结构耦联体系流固耦合地震动响应分析方法,并结合景洪水电站工程实例,研究了竖井内水体和承船厢位置对塔柱结构动力响应的影响。结果表明:(1)竖井内水体增大了塔柱结构地震动响应,且水深越深影响越大;(2)承船厢所处位置对升船机塔柱结构动力响应影响可忽略不计;(3)竖井内最高水位运行工况为塔柱-浮筒-承船厢-水体耦联体系地震作用下的最不利运行工况,该工况下系统内流固耦合作用不容忽视;(4)地震荷载作用下,竖井内水体的存在增大了景洪水电站水力式升船机塔柱结构地震动响应,且水深越深影响越大。

关键词(KeyWords)： 水力式升船机;耦联体系;竖井;流固耦合;地震动响应

Abstract:

Keywords:

基金项目(Foundation): 黄河水利科学研究院科技发展基金专项项目(黄科发201902);; 黄河水利科学研究院基本科研业务费专项资金资助项目(HKY-JBYW-2019-04)

作者(Author): 郭博文,赵兰浩,常芳芳,王荆

DOI: 10.13928/j.cnki.wrahe.2021.01.005

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