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作者:

Zhang, Mingju (Zhang, Mingju.) (学者:张明聚) | Zhang, Zhenbo (Zhang, Zhenbo.) | Li, Zheng (Li, Zheng.) | Li, Pengfei (Li, Pengfei.) (学者:李鹏飞)

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Scopus SCIE

摘要:

On the basis of the circular arc sliding model of the limit equilibrium method, an axisymmetric arc sliding method (AASM) is proposed to analyze the basal heave stability of braced circular excavations. The proposed method considers the stiffness of the enclosure structure and spatial effects. The AASM was applied to check basal heave stability in a design example and provided results that were more reasonable than those obtained using other methods. The radii effects in theory and numerical simulation, and the enclosure structure stiffness effects on the basal heave stability safety factor were discussed. Additionally, the effects of the embedded depth on the basal heave stability of a braced circular excavation were analyzed. The safety factor of basal heave stability for a braced circular excavation will be larger when calculated with the AASM than when calculated with the circular arc sliding method, and the optimized embedded depth of the enclosure structure may therefore be reduced by 4 similar to 5 m to lower the cost of the enclosure structure.

关键词:

braced circular excavations circular arc sliding model enclosure structure spatial effects basal heave stability

作者机构:

  • [ 1 ] [Zhang, Mingju]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Zhenbo]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Li, Zheng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Li, Pengfei]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

通讯作者信息:

  • 李鹏飞

    [Li, Pengfei]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

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来源 :

SYMMETRY-BASEL

ISSN: 2073-8994

年份: 2018

期: 5

卷: 10

2 . 7 0 0

JCR@2022

ESI学科: Multidisciplinary;

ESI高被引阀值:337

被引次数:

WoS核心集被引频次: 8

SCOPUS被引频次: 9

ESI高被引论文在榜: 0 展开所有

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