Results 231 to 240 of about 13,974 (295)

Introduction to Shield Tunnelling Technology

Renmin Zhujiang, 2003
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Study on surface deformation induced by shield excavation due to coarse particle content in strongly weathered rock layers. [PDF]

PLoS One
An P, Jia B, Yuan Q, Chen L.
europepmc   +1 more source

Optimization of synchronous grout properties and construction parameters for shield tunnels in soft soil. [PDF]

Sci Rep
Jin H, Wang E, Yuan D, Liu X, Wu S.
europepmc   +1 more source

Numerical simulation method for double shield TBMs crossing weak zones. [PDF]

Sci Rep
Wang Z, Wei M, Liu Y, Liu Y, Tan X, Tong X.   +5 more
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Development and application of tail brush elastic test device. [PDF]

Sci Rep
Li J, Guo J, Yang S, Han M, Li J, Zhang Z, Ren Z, Ge J, Liu J.   +8 more
europepmc   +1 more source

Soil conditioning optimization of sandy pebble soil with different fine contents and prediction by machine learning. [PDF]

Sci Rep
Zhang X, Li H, Li Q, Zhang J, Hu Y.
europepmc   +1 more source

Risk evaluation of metro tunnel shield construction based on game variable weight extension cloud theory. [PDF]

Sci Rep
Sun X, Wu L, Wu D.
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Effects of Undercrossing Tunneling on Existing Shield Tunnels

International Journal of Geomechanics, 2021
Abstract The lining rings of a shield tunnel are connected by steel bolts, which play an important role in longitudinal structural deformation during long-term operation.
Bo Liu, Zhiwei Yu, Ronghui Zhang, Yanhui Han, Zhiliu Wang, Shijie Wang   +5 more
openaire   +1 more source

Analysis of shield tunnel

International Journal for Numerical and Analytical Methods in Geomechanics, 2003
AbstractThis paper proposes a two‐dimensional finite element model for the analysis of shield tunnels by taking into account the construction process which is divided into four stages. The soil is assumed to behave as an elasto‐plastic medium whereas the shield is simulated by beam–joint discontinuous model in which curved beam elements and joint ...
Zhu, HH, Ding, WQ, Hashimoto, T, Lee, CF, Yue, ZQ, Tham, LG   +5 more
openaire   +3 more sources

Shield Tunnel Construction in Centrifuge

Journal of Geotechnical and Geoenvironmental Engineering, 1999
A large number of centrifuge model tests for simulating the shield construction process in dry sand was carried out by using a newly developed 100 mm diameter miniature shield tunnel. Different construction processes were modeled by three series of tests. A buried tube test was conducted to measure the lining stress under a centrifugal acceleration, a “
Toshi Nomoto, Shinichiro Imamura, Toshiyuki Hagiwara, Osamu Kusakabe, Nariaki Fujii   +4 more
openaire   +1 more source