Results 21 to 30 of about 2,596 (250)
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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地质科技通报, 2022 A critical water diversion project may face serious water inrush problems during tunnel construction when it crosses the carbonate rock formations of Julongshan syncline.Characteristics of karst water flow system in Julongshan syncline were identified by
Huiming Yan +4 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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Analytical Elastoplastic Solutions for Deep-buried Circular Tunnels Under Asymmetric Load [PDF]
American Journal of Civil Engineering, 2021 The elastoplastic analysis of the surrounding rock of a circular tunnel is a very classic rock and soil mechanics problem. Previous scholars usually studied the situation under axisymmetric load, and they usually did not take the non-axisymmetric load distribution under the influence of ground stress and lateral pressure into account, which greatly ...
Zhang Xin +6 more
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Application of Water-Plugging Grouting Material in Water-Rich Fracture Zone of Deep-Buried Tunnel
Renmin Zhujiang, 2022 Considering the water inrush disaster occurred in a deep-buried drill-and-blast tunnel passing through the water-rich fracture zone,this paper analyzes the characteristics of the water inrush disaster and the special requirements for the performance of ...
LI Xiaobing
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Frontiers in Earth Science, 2023 Shallow bias tunnels are sensitive at the entrance section, where the existence of soil–rock interface (SRI) results in more complex deformation of surrounding rock and supporting structure.
Zhinan Hu +3 more
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Monitoring and Analysis of Geotemperature during the Tunnel Construction
Energies, 2022 High geotemperatures are encountered during tunnel construction in areas with complex geological structures, which can seriously affect personnel and equipment in the process of tunnel construction and operation. The Nige tunnel, a deep-buried extra-long
Tao Wen +4 more
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Stress and Displacement of Deep‐Buried Composite Lining Tunnel under Different Contact Conditions
Mathematical Problems in Engineering, 2023 Stress and displacement of the composite lining are important factors to be considered during tunnel design. By the complex variable method, analytical solutions for stress and displacement of surrounding rock, primary support and secondary lining satisfying the interface continuity and boundary conditions under far‐field stresses are derived.
Shuhong Liu +3 more
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Stability of shallowly buried soft rock tunnel anchorage by in-situ model tests
Yantu gongcheng xuebao, 2017 To study the stability (strength characteristics, deformation laws and long-term stability) of the shallowly buried soft rock (mudstone) tunnel anchorage under heavy load, based on a Changjiang bridge tunnel anchorage project under construction, the 1:10
LI Dong-liang 1,3, LIU Xin-rong 1,3, LI Jun-jiang 1,3, WU Xiang-chao 1,2,3, LI Wei-shu 2, DU Ming-ze 4
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Risk Analysis of Harmful Gas in Deep Buried Long Tunnel Construction [PDF]
Proceedings of the International Conference on Advances in Energy, Environment and Chemical Engineering, 2015 The emergence of harmful gas will bring serious difficulties to the tunnel construction, improper handling can easily lead to accidents. In order to evaluate the possibility of harmful gas in the tunnel, the basic characteristics of harmful gas in tunnel are analyzed from three aspects, that is spatial distribution, inflammable and explosive property ...
Caihong Jia, Yanxi Zhao
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