Hazards and treatment of karst tunneling in Qinling-Daba mountainous area: overview and lessons learnt from Yichang–Wanzhou railway system
From a global perspective, karst geological disaster has great influence on the tunnel
construction. Once it is not handled properly, the karst problems in the tunnel area will cause …
construction. Once it is not handled properly, the karst problems in the tunnel area will cause …
[HTML][HTML] Centrifuge modelling of tunnelling below existing twin tunnels with different types of support
Tunnel excavation below existing tunnels produces ultimate and serviceability problems to
the existing tunnels. The behaviours of induced stresses on the existing tunnels haven't yet …
the existing tunnels. The behaviours of induced stresses on the existing tunnels haven't yet …
Construction techniques and mechanical behavior of newly-built large-span tunnel ultra-short distance up-crossing the existing shield tunnel with oblique angle
Y Zhang, L Tao, J Liu, X Zhao, F Guo, L Tan… - … and Underground Space …, 2023 - Elsevier
In recent years, with the rapid increase of urban subway lines, crossing engineering has
become another complex problem of modern tunnel construction techniques, and especially …
become another complex problem of modern tunnel construction techniques, and especially …
Soil arching due to leaking of tunnel buried in water-rich sand
For tunnel buried in water-rich sand stratum, water intrusion into tunnel lining would bring
sand particles into the tunnel and then caused ground subsidence or even cave-in of …
sand particles into the tunnel and then caused ground subsidence or even cave-in of …
Settlement behaviors of existing tunnel caused by obliquely under-crossing shield tunneling in close proximity with small intersection angle
As an increasing number of metro tunnels are being constructed in congested urban areas,
it is inevitable that new tunnels are being constructed in close proximity to existing tunnels …
it is inevitable that new tunnels are being constructed in close proximity to existing tunnels …
Settlement characteristics of large-diameter shield excavation below existing subway in close vicinity
A case of Qinghuayuan tunnel excavation below the existing Bei**g Subway Line 10 is
presented. The new Qinghuayuan tunnel, part of the Bei**g-Zhangjiakou High-speed …
presented. The new Qinghuayuan tunnel, part of the Bei**g-Zhangjiakou High-speed …
Mechanical behaviours of existing tunnels due to multiple-tunnel excavations considering construction sequence
An analytical method utilizing the extended complex variable approach is presented to
investigate the mechanical characteristics of pre-existing tunnels affected by the excavation …
investigate the mechanical characteristics of pre-existing tunnels affected by the excavation …
Behaviour of existing tunnel due to new tunnel construction below
This paper proposed an analytical method to study the mechanical behaviours of the
existing tunnel due to new tunnelling below. The coefficient of subgrade reaction of the …
existing tunnel due to new tunnelling below. The coefficient of subgrade reaction of the …
[HTML][HTML] Behaviours of existing shield tunnels due to tunnelling underneath considering asymmetric ground settlements
New tunnelling underneath could influence existing shield tunnels in underground spaces.
The evaluation of the influences of tunnelling-induced ground movements on existing …
The evaluation of the influences of tunnelling-induced ground movements on existing …
Nonlinear deformation behaviors and a new approach for the classification and prediction of large deformation in tunnel construction stage: a case study
W Liu, J Chen, L Chen, Y Luo, Z Shi… - European Journal of …, 2022 - Taylor & Francis
Reasonable evaluation and prediction of squeezing condition to avoid large deformation
disaster in tunnels have been an important research issue. In order to accurately and rapidly …
disaster in tunnels have been an important research issue. In order to accurately and rapidly …