Results 11 to 20 of about 915,918 (286)
Underground Space (China), 2023 Through the active control of shield thrust system oil pressures, a synchronous shield tunnelling technology combining advancement and segment fabrication was proposed.
Elton J Chen, Xin Huang
exaly +3 more sources
Complexity, 2021 Deformation of ground during tunnelling projects is one of the complex issues that is required to be monitored carefully to avoid the unexpected damages and human losses.
Xinni Liu +4 more
doaj +2 more sources
Applied Sciences, 2021 This study demonstrates a three-dimensional numerical simulation of earth pressure balance (EPB) shield tunnelling using a coupled discrete element method (DEM) and a finite difference method (FDM).
Hyobum Lee +5 more
doaj +2 more sources
CFD-DEM simulation of the motion law of magnetic flocs during waste slurry disposal in shield tunnel [PDF]
Scientific ReportsThe sustainable treatment and reuse of waste slurry in slurry shield construction have gained significant attention. This paper explores the application of magnetic flocculation technology for treating slurry.
Kaichen Ying +7 more
doaj +2 more sources
Journal of Rock Mechanics and Geotechnical EngineeringTwin curved tunnels are often encountered in shield tunnelling, where significant complexities in densely exploited underground space are observed. In this study, the ground settlement and tunnel deformation due to twin-curved shield tunnelling in soft ...
Yao K, Yao Hu
exaly +3 more sources
Pore Water Pressure Responses in Sand Stratum during Shield Tunnelling: A Case Study
Advances in Civil Engineering, 2020 When shield tunnelling is in a water-rich sand stratum with poor bearing capacity, instability is easily generated, and even ground collapses may occur.
Yu Liang, Yufei Xiao, Yuexiang Lin
doaj +2 more sources
Selection criteria for foaming agent and mechanical performance evaluation of conditioned soil for EPB shield tunneling in water-rich sand strata [PDF]
Scientific ReportsThe selection of a suitable foaming agent for soil conditioning in the Earth Pressure Balance (EPB) shield tunnelling through water-rich sand strata currently lacks a standardized test method and mechanical indices.
Yuhang Zhou +5 more
doaj +2 more sources
Advances in Civil Engineering, 2019 This paper presents the ground deformation induced by the large slurry shield tunnelling with a diameter of about 12 m in urban areas, which may challenge the safety of the existing nearby constructions and infrastructures.
Chengping Zhang, Yi Cai, Wenjun Zhu
doaj +2 more sources
BuildingsDue to its inherent advantages, shield tunnelling has become the primary construction method for urban tunnels, such as high-speed railway and metro tunnels.
Jian Cui, Bo Liu, Kaichen Ying
exaly +3 more sources
Advances in Civil Engineering, 2020 The construction of new tunnels poses a threat to the operational safety of closely existing tunnels, and the construction mode of parallel undercrossing over short distances has the most significant impact. In this study, a new double-line shield tunnel
Zhen Huang +5 more
doaj +2 more sources