Results 11 to 20 of about 127 (102)
Deep Underground Science and EngineeringOne of the significant challenges faced in shield tunnel construction is the risk of collapse resulting from abrupt changes in soil conditions in advance of the working face, particularly within the sandy cobble stratum.
Ao Zhang, Xiaoyan Zhang
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Underground Space (China), 2023 This paper focuses on the prediction of ground surface settlement induced by shield tunnelling in sandy cobble stratum. Based on the stochastic medium theory, an analytical solution to predict the surface settlement is developed considering the ...
Fan Wang, Xiuli Du, Pengfei Li
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Frontiers in Earth Science, 2023 The sandy cobble stratum presents a high risk for underground tunnel construction due to its low cohesive properties and susceptibility to loosening and falling. The use of Advanced ductule for grouting reinforcement inevitably results in vibrations, and
Shengjun Shao
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Prediction of subsurface settlement induced by shield tunnelling in sandy cobble stratum
Journal of Rock Mechanics and Geotechnical EngineeringThis study focuses on the analytical prediction of subsurface settlement induced by shield tunnelling in sandy cobble stratum considering the volumetric deformation modes of the soil above the tunnel crown.
Fan Wang
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Muck Problems in Subway Shield Tunneling in Sandy Cobble Stratum [PDF]
Polish Maritime Research, 2016 Experiments aiming at the muck improvement for Chengdu’s subway shield tunneling in water-rich sandy cobble ground initially finds out the kinds and ratio of muck improver suitable for the this strata, and through the field application determines the ...
Cui Kai, Lin Weikang
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Advances in Civil Engineering, 2019 The Lanzhou Yellow River Tunnel is the first metro shield tunnel that undercrosses the Yellow River in China. It was completed after successfully overcoming several construction challenges, including strata with a high proportion of large-sized sandy ...
Fei Ye +5 more
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Chengshi guidao jiaotong yanjiu［Objective］In order to ensure the shield tunnel construction safety in water-rich sandy cobble stratum when passing through underground cavities, it is necessary to study the safe distance between the shield tunnels and the underground cavities.
XIE Lihui
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Underground SpaceGround movements due to tunneling are becoming increasingly critical as buildings are located around construction sites. This study proposes a new combined reinforcement method using a foundation grouting oblique pipe roof.
Xue Li, Aopeng Geng
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Chengshi guidao jiaotong yanjiuObjective Connecting Passage 1 in the interval of Jiujiang North Station and Longqiao Road Station of Chengdu Metro Line 19 Phase II is located in water-rich sandy cobble stratum.
LI Qiaobin +4 more
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Materials Research Express, 2022 As a mixture of soil and rock, the deformation of surrounding rock caused by tunnel excavation in the sandy cobble stratum is affected by the meso-structure of the stratum.
Peng Zhao, Weibin Ma
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