Search
Search Results
-
Dynamic responses of train under deformation caused by underpass shield tunnel construction based on stochastic field theory
In previous research on railway traffic safety in subgrade sections, the physical parameters of foundation soil are often considered deterministic...
-
Ground deformation prediction induced by shield tunnelling considering existing multi-story buildings
Accurately predicting the impact of shield tunnel construction under buildings on the ground surface can reduce the impact of construction on...
-
Three-dimensional displacement characteristics of adjacent pile induced by shield tunneling under influence of multiple factors
Shield tunneling inevitably passes through a large number of pile foundations in urban areas. Thus, an accurate assessment of tunneling-induced pile...
-
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...
-
Analysis model for deformation mechanism of strip foundation of building: Considering shear effect of down-crossing tunnel under excavation
When the tunnel underpasses through the building, it will cause deformation and even damage to the buildings above, and the deformation of building...
-
Numerical simulation of freezing effect and tool change of shield machine with a frozen cutterhead
A shield machine with freezing function is proposed in order to realize tool change operation at atmospheric pressure. Furthermore, the...
-
Horizontal trap-door investigation on face failure zone of shield tunneling in sands
A novel horizontal trap-door test system was devised in this study to analyze the face stability of shield tunnels in sands. The test system can be...
-
OMHT method for weak signal processing of GPR and its application in identification of concrete micro-crack
In the light of the problem of weak reflection signals shielded by strong reflections from the concrete surface, the detection and the recognition of...
-
Modelling and validation of a roller-cam rail mechanism used in a 2D piston pump
The 2D principle is a new concept in hydrostatic pump design. It features a piston with a compound motion of both rotation and reciprocation to...
-
A new clay-cement composite grouting material for tunnelling in underwater karst area
A new clay-cement composite grouting material (CCGM) for tunnelling in underwater karst area was developed through the excellent synergistic...
-
A compound objective reconfiguration of distribution networks using hierarchical encoded particle swarm optimization
With the development of automation in smart grids, network reconfiguration is becoming a feasible approach for improving the operation of...