[1]王桂萱,郭朝禹,尹训强,等.级配砂石地基条件下核安全级廊道结构地震响应分析[J].地震工程与工程振动,2020,40(01):022-29.[doi:10.13197/j.eeev.2020.01.22.wanggx.003]
 WANG Guixuan,GUO Chaoyu,YIN Xunqiang,et al.Seismic response analysis of nuclear safety class gallery structure under grading sand foundation condition[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2020,40(01):022-29.[doi:10.13197/j.eeev.2020.01.22.wanggx.003]
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级配砂石地基条件下核安全级廊道结构地震响应分析
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《地震工程与工程振动》[ISSN:/CN:]

卷:
40
期数:
2020年01
页码:
022-29
栏目:
论文
出版日期:
2020-05-30

文章信息/Info

Title:
Seismic response analysis of nuclear safety class gallery structure under grading sand foundation condition
作者:
王桂萱1 郭朝禹2 尹训强1 滕浩钧1 史超2
1. 大连大学 土木工程技术研究与开发中心, 辽宁 大连 116622;
2. 深圳中广核工程设计有限公司, 广东 深圳 518057
Author(s):
WANG Guixuan1 GUO Chaoyu2 YIN Xunqiang1 TENG Haojun1 SHI Chao2
1. Dalian University Civil Engineering R&D Center, Dalian 116622, China;
2. China Nuclear Power Engineering Co., Ltd. (Shenzhen), Shenzhen 518057, China
关键词:
安全级廊道级配砂石地基等效线性法接触分析地震响应
Keywords:
safety grade corridorgraded sandstone foundationequivalent linear methodcontact analysisseismic response
分类号:
TU43
DOI:
10.13197/j.eeev.2020.01.22.wanggx.003
摘要:
级配砂石处理核安全级廊道结构的软弱地基有良好的发展前景,发展级配砂石地基条件下的廊道地震响应分析模型是评价其抗震安全性的关键问题。以某核电厂废液输送机排放廊道为研究对象,通过引入等价线性法描述近场级配砂石地基的非线性特征,在分析模型底部施加黏性边界模拟半无限空间,在截断边界的两侧施加黏性边界考虑波动的逸散效果,通过无厚度Goodman单元模拟廊道结构与周围地基的摩擦效应,并利用基于有限元法的自由场响应分析实现地震动输入,从而建立了级配砂石地基条件核安全级廊道结构地震响应分析计算模型。最后,通过开展级配砂石与回填素混凝土两种地基处理条件的廊道地震响应对比分析,该模型表现出良好的规律性及工程应用效果。研究成果可为在建项目、后续核电项目此类问题的地基处理提供借鉴与参考。
Abstract:
The graded sand gravel has a good prospect for dealing with the soft foundation of the nuclear safety grade corridor structure. The analysis of the corridor seismic response model under the condition of graded gravel foundation is the key to evaluate the seismic safety of the tunnel. In this paper, a nuclear power plant waste discharge conveyor corridor as the research object, by introducing the equivalent linear method to describe the near-field nonlinear characteristics of graded sand gravel foundation, the analysis model is applied to the bottom of the viscous boundary simulation of semi-infinite space, energy is applied on both sides of the truncated boundary transfer boundary considering the wave dissipation effect, by simulating the friction effect of corridor structure and ground zero thickness Goodman element, and the use of free field finite element method for response analysis of seismic input based on which analysis model is established to calculate the seismic response of graded sand gravel foundation conditions of nuclear safety corridor structure. Finally, the seismic response analysis of the corridor with gravel and reclaimed concrete is carried out. The model shows good regularity and engineering application effect. The research results can provide reference and reference for the foundation treatment of the project under construction and follow-up nuclear power project.

参考文献/References:

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相似文献/References:

[1]尹训强,滕浩钧,王桂萱.考虑地震作用下核安全级廊道地基处理方案的对比研究[J].地震工程与工程振动,2019,39(04):105.[doi:10.13197/j.eeev.2019.04.105.yinxq.011]
 YIN Xunqiang,TENG Haojun,WANG Guixuan.Seismic response analysis of nuclear safety class gallery structure under grading sand foundation condition[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2019,39(01):105.[doi:10.13197/j.eeev.2019.04.105.yinxq.011]

备注/Memo

备注/Memo:
收稿日期:2018-03-04;改回日期:2018-11-01。
基金项目:国家自然科学基金项目(51574055);辽宁省博士启动基金项目(201601309);优秀青年博士专项基金项目(2015YBL010)
作者简介:王桂萱(1960-),男,教授,博士,主要从事地下工程、工程抗震研究.E-mail:tumuxinxi@163.com
通讯作者:尹训强(1986-),男,讲师,博士,主要从事结构动力分析研究.E-mail:lc-tm2008@163.com
更新日期/Last Update: 1900-01-01