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Study on the Stability of Tunnel in Weak Surrounding Rock Considering Initial Support Parameters and Excavation Method
The deformation control of surrounding rock is a crucial aspect in the design and construction of tunnels that traverse weak geological formations....
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Reliability Analysis of Seismic Stability of Shield Tunnel Face under Multiple Correlated Failure Modes
In this paper, the seismic stability of shield tunnel face under multiple correlated failure modes is studied by combining the upper bound theorem of...
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From tunnel boring machine to tunnel boring robot: perspectives on intelligent shield machine and its smart operation
Advances in intelligent shield machines reflect an evolving trend from traditional tunnel boring machines (TBMs) to tunnel boring robots (TBRs). This...
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Analysis of tunnel face stability with advanced pipes support
To keep the tunnel face stable is very important for tunnel construction. In this paper, the tunnel face stability under the advanced pipe was...
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Three-Dimensional Face Stability Assessments of Seismic Tunnels in Weak Rock Masses
The face stability assessments of seismic tunnels have been complicated and crucial problems. To solve this issue, an advanced three-dimensional (3D)...
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Three-Dimensional Stability of Cyclical Footage Area in Tunnel Face
Based on the theory of limit and the unified strength theory, the three-dimensional failure pattern and the corresponding velocity field on the...
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Initial Support Failure Mechanisms and Control Techniques for Tunnel in Silty Clay Stratum
When a tunnel passes through the silty clay stratum, disasters such as initial support failure and sudden instability of the face are prone to occur,...
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Responses of Existing Tunnel Caused by Undercrossing Super-Large Diameter Shield Tunnel
As operation of underground transportation gradually tends to be networked in urban areas of China, more and more tunnels are constructed closely to...
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Investigation for Influence of Pressure on Face Stability of Mega Tunnel
Urbanization in Develo** countries raise the demand of smart and efficient infrastructure facility. Due to faster growth rate, urban area meets...
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Prediction of maximum upward displacement of shield tunnel linings during construction using particle swarm optimization-random forest algorithm
During construction, the shield linings of tunnels often face the problem of local or overall upward movement after leaving the shield tail in soft...
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Multiscale evaluation of tunnel construction safety risk: a case study of an offshore tunnel construction in Ningbo
Based on the WBS-RBS method, in this study, the risk factors corresponding to the construction risk events of an offshore tunnel foundation pit in...
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A Theoretical Solution of Deformation and Stress Calculation of the Underlying Tunnel Caused by Foundation Pit Excavation
In the methods for mitigating the effect of foundation pit excavation on underlying tunnel, the conventional analytical calculation method adopted...
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Clogging of slurry-shield tunnel-boring machine drives in sedimentary soft rock: A case study
This paper presents a case study of the clogging of a slurry-shield tunnel-boring machine (TBM) experienced during tunnel operations in clay-rich...
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Analysis of the Blow-out Occurrence When Tunnelling an Urban Shallow Tunnel: a Case Study of Ho Chi Minh Metro Line 1 Project
Several analytical models have been proposed to estimate the maximum support pressure exerting on the tunnel face during the tunnelling corresponding...
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Study on the Applicability of Load Calculation Method for Large-Diameter Shield Tunnel in Argillaceous Sandstone Stratum under High Water Pressure
Surrounding rock pressure is an important factor to be considered during designing tunnel structures. In this research, the on-site surrounding rock...
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Data-driven sequential development of geological cross-sections along tunnel trajectory
Forecasting geological cross-section ahead of tunnel face is an essential ingredient for tunnel design and construction. Geological analysis and...
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A Case Study of Tunnel Stability in Quaternary Deposits Using Pipe-Roof Supports
In numerical modeling, boundary conditions play a vital role for stability analysis of a tunnel. The top boundary is kept free to simulate vertical...
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Analysis and prediction of the river levee settlement derived from shield tunneling considering the excavation face stability
The river levee settlement derived from shield tunnel excavation face instability is an anticipated safety issue. Serious engineering safety hazards...
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A unified design model for estimating tunnel performance considering multiple excavation stoppages
In tunnel construction, excavation stoppages are often encountered due to many irresistible factors. This study reveals the influence mechanism of...
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Risk assessment of shield tunnel collapse accident based on fuzzy analytic hierarchy process
The collapse of shield tunnel seriously endangers the safety of urban subway construction and causes adverse social impact. In order to...
