Results 1 to 10 of about 1,760 (113)
Numerical prediction of the optimal shield tunneling strategy for tunnel construction in karst regions. [PDF]
PLoS ONE, 2021 Shield tunneling in karst areas poses significant challenges, as vibration caused by the shield machine can disturb the stability of the karst caves, ultimately resulting in the collapse of a tunnel.
Zhen Liu +4 more
doaj +2 more sources
Data on evolutionary hybrid neural network approach to predict shield tunneling-induced ground settlements [PDF]
Data in Brief, 2020 The dataset presented in this article pertains to records of shield tunneling-induced ground settlements in Guangzhou Metro Line No. 9. Field monitoring results obtained from both the two tunnel lines are put on display.
Kun Zhang +4 more
doaj +2 more sources
Developments in the Built Environment, 2023 Backfill grouting plays a vital role in shield tunneling. This paper aims to present a comprehensive review of the development and progress of backfill grouting materials specifically designed for shield tunneling.
Xi Jiang +9 more
doaj +3 more sources
IEEE Access, 2019 Due to the complex shield construction characteristics and the complex effects of geological environment, it is difficult to control the direction of shield tunneling and to determine the reasonable tunneling parameters such as tunneling speed and so on.
Pei Wang +3 more
doaj +3 more sources
Analysis of parameters for large cross-section quasi-rectangular EPBM in water-rich sandy strata [PDF]
Scientific ReportsWater-rich sandy stratum, characterized by high permeability, low cohesion, and strong fluidity, poses critical challenges for large-section quasi-rectangular Earth Pressure Balance Shield Machine tunneling.
Shi-ju Ma +4 more
doaj +2 more sources
Model test on cutterhead-soil interaction during shield tunneling and its theoretical model
Underground SpaceThis study aims to develop a rational theoretical model for cutterhead-soil interaction. The cutterhead-soil interaction mechanism is divided into two components: the cutting action of the cutter on the soil and the extrusion of the cutterhead on the ...
Xiang Shen +6 more
doaj +3 more sources
Unified solution of earth pressure at the end of shallow buried shield at different driving angles [PDF]
Scientific ReportsThis study develops a three-dimensional sliding block model for estimating average face pressure in shield tunneling, considering three distinct driving directions based on limit equilibrium theory.
Zunqun Xiao +8 more
doaj +2 more sources
Simplified estimation method and on-site analysis of thrust of EPB shield
Yantu gongcheng xuebao, 2021 Thrust is an important factor in shield construction safety during shield tunneling. In order to accurately estimate the thrust required during shield tunneling below the water level, the influences of water buoyancy on the force of shield tunneling are ...
YANG Song-song 1, 2, ZHU Xiang-xu 3, ZHANG Ding-wen 1, 2, LI Shun 3, YU Peng-fei 3
doaj +1 more source
Application of Shield Method in Coal Tunneling Construction
Meikuang Anquan, 2020 In order to study multiple problems concerning quickly tunneling in long distance tunnel, we design and develop a shield machine based on drilling, tunneling, protecting and transporting.
LI Gang1, LI Bing, ZHANG Meng, YAO Liquan
doaj +1 more source
Applied Sciences, 2023 This paper proposes a set of field test technology system for layered settlement of composite strata based on weak reflectivity fiber Bragg grating sensing technology based on the shield project of “Keyuan Station ~ Shenzhen University Station” section ...
Fucai Zhao +6 more
doaj +1 more source