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Author:

Tao, L-J. (Tao, L-J..) (Scholars:陶连金) | Xu, Y-J (Xu, Y-J.) | Li, W-B. (Li, W-B..)

Indexed by:

CPCI-S

Abstract:

By taking into account of the factors including CFG composite foundation, train load, backfill grouting, grouting pressure, shield tunnel working face pressure of soil compaitinent, the numerical model of FLAC3D is established in terms of the geological and hydrogeological conditions, and the whole process of the shield tunnel traversing beneath a high-speed railway's subgrade is simulated, thus the lateral and longitudinal settlement of the subgrade surface was predicted. The results show that the maximum settlement on the subgrade surface amounts to 6.88 mm, and the maximum settlement grade is 0.29 parts per thousand, and settlement trough with unimodal shape is comparatively flat; the longitudinal settlement induced by excavation of the twin shield tunnels consists of 6 stages, and the maximum longitudinal settlement grade equals to 0.27 parts per thousand.

Keyword:

Prediction Shield tunnel Subgrade settlement High-speed railway Subway

Author Community:

  • [ 1 ] [Tao, L-J.]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Xu, Y-J]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Li, W-B.]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Xu, Y-J]Inner Mongolia Univ Sci & Technol, Sch Architecture & Civil Engn, Baotou 014010, Peoples R China

Reprint Author's Address:

  • 陶连金

    [Tao, L-J.]Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China

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Source :

RECENT DEVELOPMENTS OF GEOTECHNICAL ENGINEERING

Year: 2010

Page: 608-613

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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