scholarly journals Physical model test and numerical simulation on the failure mechanism of the roadway in layered soft rocks

2021 ◽  
Vol 31 (2) ◽  
pp. 291-302
Author(s):  
Xiaoming Sun ◽  
Chengwei Zhao ◽  
Yong Zhang ◽  
Feng Chen ◽  
Shangkun Zhang ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Physical Model ◽  
Failure Mechanism ◽  
Model Test ◽  
Physical Model Test ◽  
Soft Rocks

Hydraulic Model and Numerical Simulation Study of Shuangwangcheng Pump Station

2011 ◽  
Vol 117-119 ◽  
pp. 647-651
Author(s):  
Chuan Qi Li ◽  
Wei Wang ◽  
Jie Gong ◽  
Xin Lai Zhao
Keyword(s):  
Numerical Simulation ◽  
Physical Model ◽  
Model Test ◽  
Hydraulic Model ◽  
Physical Model Test ◽  
Flow Conditions ◽  
Scheme Design ◽  
Model Studies ◽  
Pump Station ◽  
Good Agreement

Physical and numerical model studies were performed in order to study the flow conditions for the proposed pump station of Shuangwangcheng reservoir, Shouguang Ctiy. The flow velocity and the pressure distribution in the bidirectional culvert of Shuangwangcheng Pump Station had been obtained by hydraulic model test and numerical simulation. The physical model was constructed to a Froude scale of 1:20. A general conclusion was that, the computed results were good agreement with the data measured in physical model, and could be good complement for physical model test. Furthermore, negative pressure existing in discharge steep culvert in the initial scheme design was eliminated by moving the culvert controlling gate to the end of culvert in the modified scheme, and the flow conditions was improved.

Study of Hydrodynamic Characteristics of the Sloping Breakwater of Circular Protective Facing

2012 ◽  
Vol 588-589 ◽  
pp. 1781-1785
Author(s):  
Li Ping Zhao ◽  
Jian Qiu Zhang ◽  
Lei Chen ◽  
Xuan Xie ◽  
Jun Qiang Cheng
Keyword(s):  
Numerical Simulation ◽  
Physical Model ◽  
Model Test ◽  
Simulation Analysis ◽  
Wave Action ◽  
Hydrodynamic Characteristics ◽  
Physical Model Test ◽  
Current Field

Studying the hydrodynamic characteristics of the sloping breakwater of circular protective facing by physical model test and taking a numerical simulation analysis of current field around the circular protective facing with holes under wave action by FLOW—3D.

Study on hydrodynamic performance of a set-net in current based on numerical simulation and physical model test

2020 ◽  
Vol 195 ◽  
pp. 106660 ◽  
Author(s):  
Rong Wan ◽  
Qinglong Guan ◽  
Zengguang Li ◽  
Fuxiang Hu ◽  
Shuchuang Dong ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Physical Model ◽  
Model Test ◽  
Hydrodynamic Performance ◽  
Physical Model Test

Analysis on Variable Bond Strength Failure Criterion of Layered Rock Mass Based on Numerical Simulation and Model-Test

2011 ◽  
Vol 243-249 ◽  
pp. 2220-2228
Author(s):  
Bin Wei Xia ◽  
Jie Wang ◽  
Yi Yu Lu ◽  
Yong Kang ◽  
Dong Li
Keyword(s):  
Numerical Simulation ◽  
Rock Mass ◽  
Bond Strength ◽  
Physical Model ◽  
Model Test ◽  
Failure Criterion ◽  
Physical Model Test ◽  
Layered Rock ◽  
Strength Failure ◽  
Layered Rock Mass

The layered rock mass consists of kinds of stratifications whose mechanical properties are not wholly identical with each other. In order to figure out its strength failure criterion, the variable bond strength failure criterion is proposed depending on Mohr-Coulomb yield criterion and the change law of the strength parameters varying with the dip angle of stratification plane (that is the angle between the maximum principal stress and the stratification plane). What’s more, the criterion is verified by physical model test and numerical simulation adopting assembly language VC++6.0. Compared with the results of physical model tests and numerical simulation, it is shown that the stress distributions and failure regions are elliptic in shape and that the maximum failure regions are vertical to the stratification planes. That the results obtained in the physical model test are compatible with those numerically obtained verifies the correctness of variable bond strength failure criterion.

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