水资源与水工程学报

文章摘要

WANG Ruijun,JIAO Lifang,ZHANG Quan'en,WANG Gang.不利围岩条件下施工期调压井的动力有限元分析Journal of Water Resources and Water Engineering[J].,2011,22(4):

不利围岩条件下施工期调压井的动力有限元分析

Dynamic finite element analysis of surge tank in construction period under complex geological conditions

DOI：10.11705/j.issn.1672-643X.2011.04.138

中文关键词: 水工结构复杂围岩条件施工期调压井动力特性

英文关键词: hydro-structure complex geological condition construction period surge tank dynamic characteristics

基金项目:陕西省教育厅科学研究计划项目(03JK098)

Author Name	Affiliation
WANG Ruijun,JIAO Lifang,ZHANG Quan'en,WANG Gang	WANG Ruijun1,JIAO Lifang2,ZHANG Quan'en3,WANG Gang1(1.Faculty of Water Resources and Hydraulic Power,Xi an University of Technology,Xi'an 710048,China,2.State Electric Power Planning Design & Research Institute,Beijing 100094,3.China Yangtze Power Co.Ltd,Yichang 443002,China)

Hits: 2251

Download times: 2

中文摘要:

调压井作为一种地下薄壁结构,其动力特性对于围岩地质条件十分敏感。本文结合一工程实例,运用瞬态动力学方法,在进行调压井自振特性分析的基础上,按照单纯考虑水平地震荷载作用及考虑水平与竖向地震荷载组合作用两种计算工况,对不利围岩地质条件下施工期调压井的动力响应特性进行了有限元仿真分析。结果表明:在水平与竖向地震荷载组合作用下,衬砌结构位移及应力的分布规律与单纯水平地震荷载作用情况基本相同,但其位移及应力均有所增大。由此说明,地震组合作用增加了衬砌结构的动力反应,竖向地震作用也会影响衬砌结构水平方向的动力反应。因此,在进行调压井结构的抗震设计时,考虑水平与竖向地震的组合作用是必要的。

英文摘要:

The surge tank is a kind of underground hydraulic structure.The dynamic characteristics of surge tank are comparatively sensitive to geology condition.Combined with one hydroelectric station's surge tank of Morocco in complicated geology condition,the dynamic characteristic of surge tank in construction period is analyzed by 3-D dynamic finite element method in this paper.The results showed the coupling effect of horizontal and vertical earthquake will obviously strengthen dynamic reaction of surge tank lin...

View Full Text View/Add Comment Download reader