Zobrazeno 1 - 10
of 4 075
pro vyhledávání: '"Shield tunnel"'
Publikováno v:
International Journal of Structural Integrity, 2024, Vol. 15, Issue 5, pp. 1012-1026.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/IJSI-03-2024-0052
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract The study is based on a section of the Zhengzhou Metro Line 8 quasi-rectangular shield tunnel. Field excavation trials were conducted to analyze the surface settlement patterns caused by the construction of a large-section quasi-rectangular
Externí odkaz:
https://doaj.org/article/d3d16399cca34a3da3abc1421f6e0edf
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 10, Pp 39-44 (2024)
Objective As the sand layer located at the launching end of the slurry shield section is connected with seawater during the tunnel construction of Xiamen Metro Line 3, accidents like water and mud gushing, ground collapse may occur when the shield st
Externí odkaz:
https://doaj.org/article/112e9ca65347456b8a7b1fab604d080c
Autor:
ZHU Bin
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 10, Pp 123-128 (2024)
Objective Damage to shield tunnel segments will cause water seepage in the tunnel, affecting the structural bearing capacity and endanger the operational safety. Therefore, it is necessary to study the mechanism of segment structure damage. Method Th
Externí odkaz:
https://doaj.org/article/c8b0bc1e5a7048a98ffa8188619ce484
Autor:
ZHANG Qiang, WANG Jiuli
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 10, Pp 129-134 (2024)
Objective In order to explore the load distribution characteristics of shield tunnel structures in subsea weathered slot, a study on the internal force response law of the segment structures is carried out. Method Relying on a cross-sea metro shield
Externí odkaz:
https://doaj.org/article/dc5d5d2ff47f4e1f8aa37efa17ef8eb4
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-20 (2024)
Abstract Excavation of subway tunnels in hard rock generates strong vibration waves that pose potential risks to the stability of surrounding structures. In this study, the discrete element method-finite difference method (DEM-FDM) coupling was adopt
Externí odkaz:
https://doaj.org/article/518ab5b296ba47d1ad942ae11b002517
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-23 (2024)
Abstract This study investigates the prediction of ground loss rate during soft-soil shield tunneling using Peck’s back analysis method and XGBoost model. Bayesian optimization is employed to determine optimal hyperparameters, ensuring comprehensiv
Externí odkaz:
https://doaj.org/article/d13708b4dd684afe9916e3a1e076bb17
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 9, Pp 31-39 (2024)
Objective To ensure the successful implementation of metro shield tunnel parallel under-passing through the existing open-cut highway tunnel project under deformation joint condition, it is necessary to analyze the deformation situation and stress ch
Externí odkaz:
https://doaj.org/article/5537034c85004556a1c0f9fb04965b90
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 9, Pp 58-64 (2024)
Objective Shield tunneling may cause displacement and deformation of the nearby viaduct foundation and reduce its bearing capacity. Therefore, the deformation effect caused by shield tunnel closely side-passing viaduct foundation is studied based on
Externí odkaz:
https://doaj.org/article/a4543304831b416982d5006a1ada06ea
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 9, Pp 147-153 (2024)
Objective At present, a relatively systematic, mature and rapid excavation construction method for the connection passage construction in hard rock stratum has not been formed yet. Due to the small cross-section and limited operating space in the con
Externí odkaz:
https://doaj.org/article/cba2233730c34af0a8593dbbe6ecd5ac