Results 11 to 20 of about 2,727 (257)
Yantu gongcheng xuebao, 2023 For the deep-buried shield tunnels in dry cohesionless soils, it is critical to determine the support pressure acting on the tunnel face due to the significant soil arching effects.
ZHANG Yu 1, 2, TAO Lianjin 2, LIU Jun 1, ZHAO Xu 2, GUO Fei 3, BIAN Jin 4
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Shenzhen Daxue xuebao. Ligong ban, 2022 In order to study the control efficiency of isolation pile on the settlement of the surface and deep soil, we analyze the implementation method of simulated isolation pile in Plaxis2d, and establish the finite element model of the tunnel and isolation ...
ZHENG Zhenji +3 more
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Study of Mechanical Response of Tunnels Crossing Active Faults in Different Burial Depths
Buildings, 2023 There are numerous tunnels worldwide that cross active fault zones. These tunnels are situated in complex geological environments and are subjected to intense seismic activities. When active fault zones experience displacement, tunnels are susceptible to
Jiawei Zhang, Wanhua Zhao, Zhen Cui
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Sensitivity Analysis of Factors Affecting the Stability of Deep Buried Tunnel
Sustainability, 2022 The excavation of deep tunnels has significant spatial and temporal effects on the stress distribution of the surrounding rock. Accurately describing the distribution characteristics of the surrounding rock stress state is a key issue in analyzing the failure mechanism of the surrounding rock. Based on the numerical analysis, a study on the influencing
Jiang, Yue, Zou, Wendong
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Construction Method of Deep - Buried Long - Length Tunnel
IOP Conference Series: Earth and Environmental Science, 2020 Abstract Grew up to solve the deep buried tunnels in the process of large diameter TBM excavation overexcavation problems and obstacles in a complex geological environment problems such as TBM, through the combination of drilling and blasting method and TBM at home and abroad were elaborated the expansion digging method of construction ...
Ping Li +5 more
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Research on the Algorithm for Composite Lining of Deep Buried Water Conveyance Tunnel [PDF]
Advances in Civil Engineering, 2021 Composite lining of deep buried water conveyance tunnel for bearing high internal water pressure is a new type of applicable structure. However, up to date, no effective method is available to calculate the stress of the structure. In this paper, a simplified algorithm, which can be used to calculate the stress distribution of composite lining ...
Fei Li +4 more
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Yantu gongcheng xuebao, 2019 When the surrounding rock conditions are poor, the buried earth tunnel is prone to collapse during the tunnel excavation process. It is extremely important to accurately predict the extent of the collapsed soil in the deep buried soil tunnel.
YU Li 1,2, LÜ Cheng 1,2, WANG Ming-nian 1,2
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Pressure of surrounding rock of deep-buried loess shield tunnel
Yantu gongcheng xuebao, 2021 With the development of shield tunnel engineering, more and more deep-buried loess shield projects have gradually appeared. The calculation of pressure of the surrounding rock is of great significance to the design of linings and safety evaluation during
HAN Xing-bo 1, 2, YE Fei 1, 2, FENG Hao-lan 1, HAN Xin 1, TIAN Chong-ming 1, LEI Ping 1
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Mechanical Properties of the Functionally Graded Lining for a Deep Buried Subway Tunnel
Applied Sciences, 2022 With the rapid development of the subway rail transit, tunnels are buried at an increasing depth, raising the requirements of bearing capacity and waterproofness for linings. Functionally graded materials are introduced into the design of linings to save costs, and concrete with different elastic moduli is equipped at different positions to reduce the ...
De-Chun Li +7 more
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Point Cloud Filtering and Classification Methods for Deeply Buried Irregular Tunnels Based on Geometric Morphology [PDF]
长江科学院院报[Objective] The 3D laser scanning technology is characterized by fast scanning speed, high scanning accuracy, non-contact operation, and minimal influence from the scanning environment, which makes it widely applicable in deep engineering fields. However,
SHI Ying-en
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