Structural integrity assessment of shield tunnel crossing of a Railway
This paper focuses on the specific project of shield construction across the existing Wuzhun Railway Bridge between Xuanrendun Station and Dadiwobao S
Shield
Tunneling
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Bridge
Impact of Shield Tunnel Construction on Adjacent Railway Bridge
This study examined the impact of constructing a double-line shield tunnel underneath a railway bridge on the adjacent pile foundation via numerical simulation. Protective measures, including construction
An introduction to pipe jacking and microtunnelling
Tunnel boring machine (TBM) Cutter boom shield cutting An open face shield in which a cutter head. Various cutting heads are boom is mounted for exc
A method for calculating the critical safety distance between a tunnel
Predicting the safe distance of a shield tunnel from an existing bridge pile foundation under oblique crossing conditions is a popular topic. This study considered the influence of the shear effect.
Research on the Initial Launching Technology of Subway Shield Tunneling
Using the shield project of the Cai Cang Section tunnel of the Guangzhou Metro Line 13 to solve the problem that shield construction is difficult to start in a narrow space and it is easy to
Research on Construction Mechanical Behaviour of Connecting Aisle
Based on connecting aisle of shield tunnel projects in Shenzhen Metro Line 5, in accordance with the complex space structure formed by shield tunnel and connecting aisle, the study
Safety Assessment of Tunnel Shield Construction for
Disturbances to the surrounding soil layer from a tunnel shield passing under a viaduct can cause uneven pile foundation settlement, negatively
Evaluation Method of the Impact of Twin Shield
In this study, the MIDAS/GTS NX finite element software was used to conduct three-dimensional (3D) numerical simulation and analysis of the
Analysis of the Influence Characteristics of Shield Tunneling in Close
In recent years, extensive research has been conducted by scholars at home and abroad on the impact and control technology of shield tunnels closely crossing existing bridges, yielding
(PDF) Evaluation Method of the Impact of Twin Shield Tunneling
In urban metro construction, shield tunneling often needs to pass through building and bridge pile foundations, potentially affecting the stability of existing structures. Therefore,...
Analysis of construction impact and safety evaluation of metro shield
Based on practical engineering, this paper conducts the following research: (1) Numerical simulation analysis of subway shield tunnel construction under existing bridge pile foundations is
Numerical analysis of mechanical response in bridge
During shield tunneling, interactions with existing structures, such as pile foundations and bridges, are frequently encountered, leading to a growing
Impact of Multi-Defect Coupling Effects on the Safety of Shield
As urban rail transit networks age, understanding the synergistic impacts of multi-defect interactions on tunnel structural safety has become critical for underground infrastructure
Impact of twin shield tunnel construction on the deformation of bridge
In urban metro construction, shield tunneling often needs to pass through building and bridge pile foundations, potentially affecting the stability of existing structures.
Safety Assessment of Tunnel Shield Construction for
At present, shield tunneling often needs to pass through a large number of bridge pile foundations. However, there are few studies on the influence of shield tunneling on adjacent pile
A method for calculating the critical safety distance between a tunnel
On the basis of cusp catastrophe theory, a critical instability criterion for the system of a shield tunnel obliquely side crossing an existing bridge pile foundation was established. A method for
Mechanical performance of shield tunnel segment joint reinforced with
Overall, research on the reinforcement of shield tunnel segment joints is not only a critical component in improving in-service structural performance but also an essential measure for ensuring the long-term
Numerical Simulations of Construction of Shield Tunnel with Small
The deformation of the shield excavation net width and the mutual influence can also be greatly reduced. The findings from this study can be used as technical foundation and reference for
Construction Scheme and Influence Analysis of Horizontal Small-Clear
Based on the construction project of Guangzhou Metro Line 13, this paper explores the special construction scheme for the safety of horizontal small-clear-distance shield tunnel
Micro-mechanism of shield-soil interaction during shield tunneling
Therefore, shield construction must address the challenges of high-precision and micro-disturbance tunneling control. The key to achieving high-quality construction control of the shield lies
Analysis of construction impact and safety evaluation of metro shield
Although existing research has achieved many results in the field of analysis and risk management for shield tunneling under existing structures, there are still some shortcomings.
Investigating the Effects of Shield Tunneling on Nearby Bridge Piles
The interactions between bridge piles adjacent to shield tunnel construction and the associated foundation engineering were investigated in the Zhengzhou area.
Study on the Impact of Shield Tunneling Construction with Adjacent
Abstract. The construction process of a shield tunnel near-underpassing high-way bridge piles involves critical challenges in ensuring the structural safety and deformation control of the bridge piles. This
Shield Tunneling
Abstract Shield tunnelling has become one of main methods of tunnelling, so it is important for civil engineers to determine how best to build tunnels using the shield tunnelling method. This chapter
Numerical simulation and analysis of the pile underpinning technology
In this study, based on the shield tunnel of the Shenzhen Metro Line 10 passing through the pile foundation group of the Guangzhou–Shenzhen highway bridge, the stress transfer
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Abstract: At present, shield tunneling often needs to pass through a large number of bridge pile foundations. However, there are few studies on the influence of shield tunneling on adjacent pile
Frontiers | Impact of twin shield tunnel construction on
The study aims to comprehensively analyze the effects of shield tunneling on adjacent bridge pile groups and further investigate impact of pile
Impact of twin shield tunnel construction on the
Based on the case of the Zhengzhou Metro Line five crossing beneath the Shijiazhuang-Wuhan High-Speed Railway Bridge, this study uses
Field measurement analysis of the influence of double shield tunnel
Investigating the case of the double-line shield tunnel of Hangzhou Metro Line 2 crossing through Fengqi Bridge, this paper discusses the project of reinforcing Fengqi Bridge and analyses