Results 71 to 80 of about 6,084 (206)
Chengshi guidao jiaotong yanjiuObjectiveCurrently, there are some theoretical explorations of the adjacent diaphragm wall (hereinafter referred to as "D-wall") construction impact on existing metro shield tunnels and the tunnel structural resilience.
Xiaolong LI +3 more
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Crack mechanism of shield tunnel under excavation of foundation pit [PDF]
The segmental tunnel lining of existing shield tunnels is highly susceptible to crack and water leakage due to the excavation and unloading effects of adjacent foundation pits, posing significant risks to tunnel operational safety.
Yang Yu, Jinchang Wang
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An analytical solution for a jointed shield-driven tunnel lining [PDF]
, 2001 This paper presents an analytical solution for the prediction of internal forces and displacements of a jointed segmental precast circular tunnel lining. The effects of joint stiffness on the performance of the tunnel lining are discussed.
Lee, KM, Ge, XW, Tang, Y., Hou, XY
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Yantu gongcheng xuebaoThe impact of starting of tunnel boring machine (TBM) on the deformation of the existing shield tunnels under loads during the construction process of connecting passage by the shield tunneling method is currently unclear.
HUANG Dawei 1, 2, 3 , CHEN Houhong 1, 2, 3, XU Changjie 1, 2, 3, LUO Wenjun 1, 2, 3, GENG Daxin 1, 2, 3, LIU Jiaxuan 1, 2, 3
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Experimental Investigation of Photogrammetric Surface Analysis of Heat Shield Materials during Plasma Wind Tunnel Testing [PDF]
, 2013 The paper presents first results of an experimental analysis of surface recession using advanced photogrammetric tools. Based on image pairs acquired with two DSLR cameras, classical photogrammetry has been tried, but pixelwise image analysis with ...
Löhle, Stefan, Reimer, Thomas
core
Lateral Convergence Deformation Prediction of Subway Shield Tunnel Based on Kalman Model [PDF]
In order to optimize the structure of a subway shield tunnel, minimize injuries, and avoid potential safety hazards, the lateral convergence deformation of subway shield tunnels should be predicted. In terms of accuracy and stability, existing prediction
Dongliang Zhang +6 more
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Detection Method and Application for Subway Shield Tunnel Clearance Based on LiDAR Technology
Chengshi guidao jiaotong yanjiuObjectiveClearance detection is an indispensable process throughout the full life cycle of subway shield tunnels, directly impacting subway track laying quality and line operational safety. Total stations, currently the primary means for detecting subway
Ying PEI +5 more
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Shenzhen Daxue xuebao. Ligong banTo explore the settlement characteristics of intercity railway subgrade induced by super-large diameter shield tunneling, taking the Lianghu Tunnel Project in Wuhan as an example, we establish a three-dimensional refined numerical model of the railway ...
LOU Hongjun +4 more
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Applied SciencesAs Earth Pressure Balance (EPB) shield machine crossed with steep slopes beneath an existing highway in sandstone–mudstone alternating strata, case studies of changes in vertical displacement, settlement trough evolution, and tunnel stress induced by ...
Chaojun Mao +5 more
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Chengshi guidao jiaotong yanjiuObjective With an increasing number of cases involving metro shield tunneling through or in proximity to high buildings in urban rail transit projects, the shield tunneling method inevitably causes disturbances to the ground due to its unique ...
Kun ZHANG +4 more
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