[1]蔡鑫,梁建文,徐安全,等.妈湾跨海大直径盾构隧道纵向抗震分析[J].自然灾害学报,2020,29(06):013-20.[doi:10.13577/j.jnd.2020.0602]
 CAI Xin,LIANG Jianwen,XU Anquan,et al.Longitudinal seismic analysis of Mawan sea-crossing large diameter shield tunnels[J].,2020,29(06):013-20.[doi:10.13577/j.jnd.2020.0602]
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妈湾跨海大直径盾构隧道纵向抗震分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
29
期数:
2020年06期
页码:
013-20
栏目:
出版日期:
2020-12-28

文章信息/Info

Title:
Longitudinal seismic analysis of Mawan sea-crossing large diameter shield tunnels
作者:
蔡鑫1 梁建文2 徐安全2 李东桥2 吴泽群2 闫启超2
1. 深圳市交通公用设施建设中心, 广东 深圳 518040;
2. 天津大学 建筑工程学院, 天津 300350
Author(s):
CAI Xin1 LIANG Jianwen2 XU Anquan2 LI Dongqiao2 WU Zequn2 YAN Qichao2
1. Shenzhen Traffic Facilities Construction Center, Shenzhen 518040, China;
2. School of Civil Engineering, Tianjin University, Tianjin 300350, China
关键词:
盾构隧道纵向抗震分析广义反应位移法梁-弹簧模型黏弹性边界土体等效线性水平方向地震动耦联效应
Keywords:
shield tunnellongitudinal seismic analysisgeneralized response deformation method3D beam-spring modelviscoelastic boundarysoil equivalent linearizationcoupling effect of horizontal seismic excitations
分类号:
TU91;X9
DOI:
10.13577/j.jnd.2020.0602
摘要:
利用广义反应位移法开展妈湾跨海大直径盾构隧道纵向抗震分析。采用黏弹性边界方法建立纵断面有限元模型,结合地震动输入的等效节点力方法和土体等效线性方法,求解安评波作用下,妈湾隧道全域场地的非线性地震响应。采用梁单元模拟盾构隧道管环,弹簧单元模拟盾构隧道环间螺栓,建立盾构隧道纵向抗震计算的三维梁-弹簧模型。考虑轴向和横向水平地震动耦联效应,进行盾构隧道的纵向抗震计算。研究对妈湾跨海大直径盾构隧道抗震设计具有一定参考价值。
Abstract:
Longitudinal seismic analysis of Mawan sea-crossing large shield tunnels is presented using the generalized response deformation method. The viscoelastic boundary method is used to construct the finite element model, and the method of seismic excitation equivalent node force and the method of soil equivalent linearization are used to calculate the seismic response of whole longitudinal cross section under the seismic safety evaluation waves. The tunnel rings are simulated by the beam elements, the bolt joints are simulated by the spring elements, and the 3D beam-spring model is established for the longitudinal seismic analysis. With consideration of the coupling effect of horizontal seismic excitations between axial and transverse direction, the longitudinal seismic analysis of shield tunnels is carried out. This study may be of certain reference value for the seismic design of the Mawan sea-crossing large shield tunnels.

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备注/Memo

备注/Memo:
收稿日期:2020-05-04;改回日期:2020-09-09。
基金项目:深圳市交通公用设施建设中心科研项目
作者简介:蔡鑫(1972-),男,高级工程师,主要从事交通设施工程建设方面的研究.E-mail:154008640@qq.com
通讯作者:梁建文(1965-),男,教授,博士,主要从事地震工程方面的研究.E-mail:liang@tju.edu.cn
更新日期/Last Update: 1900-01-01