Results 1 to 10 of about 31,564 (295)
Study on dynamic response and long-term settlement of silty soil around Shanghai metro tunnel [PDF]
Scientific ReportsAt present, the method for calculating long-term tunnel settlement predictions under metro loading considers only one working condition of passenger loading, which is inconsistent with actual working conditions.
Biaowei Sang +3 more
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Structural Monitoring of Metro Infrastructure during Shield Tunneling Construction [PDF]
The Scientific World Journal, 2014 Shield tunneling construction of metro infrastructure will continuously disturb the soils. The ground surface will be subjected to uplift or subsidence due to the deep excavation and the extrusion and consolidation of the soils.
L. Ran, X. W. Ye, G. Ming, X. B. Dong
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Energies, 2022 Critical velocity is very important for smoke control in longitudinally ventilated subway tunnel fires. Numerical investigations are conducted in this paper to study the impacts of metro train blockages on critical velocity in sloping subway tunnel fires
Haitao Wang, Huanhuan Gao
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Evaluation of the effect of using fiber reinforcement in tunnel linings for metro projects
Underground Space, 2021 Metro (subway) is an advanced public transport infrastructure system in urban areas with high capacity. The traffic operation of a metro is not affected by other vehicle traffic thanks to underground tunnels. With these benefits metro lines are preferred
Mücahit Namli
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Novel SfM-DLT method for metro tunnel 3D reconstruction and Visualization
Underground Space, 2021 Metro tunnels play a crucial role in urban transportation. However, with growing tunnel operation periods, defects, and large deformations appearing, these are influencing tunnel structural performance and threatening public safety. Three-dimensional (3D)
Yadong Xue +3 more
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Advances in Civil Engineering, 2021 The Chongqing metro line 6 underpass expressway around the city is taken as an engineering background, and the optimal excavation sequence and corresponding control countermeasures for the triangular-distributed three-line metro tunnel underpass ...
Chengzhong Zhang +4 more
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Dynamic Analysis of Metro Train-Monolithic Bed Track System under Tunnel Differential Settlement
Shock and Vibration, 2020 The metro tunnel lines built in a soft soil area may suffer from tunnel differential settlement due to the high compressibility of soft soil, the engineering constructions nearby tunnel lines, and the cyclic load of metro trains. In this paper, a dynamic
Jiqing Jiang +5 more
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Distribution of fibers in SFRC segments for tunnel linings [PDF]
, 2016 This paper presents research results regarding the distribution of steel fibers in concrete used to build precast tunnel segments for Line 9 of the Barcelona Metro.
Aguado de Cea, Antonio +3 more
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WCDMA Uplink Capacity of a Long Tunnel Cigar-shaped Microcells for Underground Train Service [PDF]
, 2008 In this paper, the capacity and the interference statistics of the sectors of the cigar-shaped WCDMA microcells are studied using the hybrid model of propagation. A model of nine microcells in a metro tunnel is used to analyze the uplink capacity and the
B. Hashem +11 more
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International Journal of Transportation Science and Technology, 2023 “Metro economy” has led to intensive land development along the metro lines. However, engineering activities associated with land development inevitably disturb the service environment, causing severe settlement of adjacent metro tunnel structures in ...
Quanmei Gong, Xiaotong Hui, Zhiyao Tian
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