Selection of Research Projects
Numerical study on construction mechanical behavior of high tunnel with large section and small spacing
Analysis, simulation, and evaluation of the interaction between two small-spacing and large -section tunnels. Concluded the influence degree and range of tunnel construction on the deformation and stability of rock mass with numerical simulation and field monitoring. Presented the proposal of construction method in different geologic and topographic conditions. Put forward the reasonable clearance value of tunnels in different surrounding rock. Analyzed the interaction principle of tunnels with various clearances with numerical simulation and field monitoring.
Selection of technologies involved: Midas Simulator, C/C++, MATLAB, and Python.
Selection of technologies involved: Midas Simulator, C/C++, MATLAB, and Python.
Numerical simulation research on the distribution law of seepage field and the water pressure characteristics of lining structure in subject to underwater tunnel with weak surrounding
Using the numerical calculation to analysis the impact of the thickness and the permeability of the primary lining, the scope and the permeability of the grouting and the different excavation methods on the seepage field of the underwater tunnel.Concluded the distribution law of water pressure upon lining and outer surface of grouted ring.
Selection of technologies involved: Flac 3D Simulator, C, Fortran 2008., Spin model checker.
Selection of technologies involved: Flac 3D Simulator, C, Fortran 2008., Spin model checker.
Seepage-stress coupling analysis of river-crossing tunnel excavating
Established appropriate 3D Finite Element Method according to seepage field boundary and analyzed hydro-mechanical coupling effect of a planned tunnel excavating. Established seepage-stress coupling equation in steady state,analyzed pore pressure varying regularity with tunnel excavation and hydro-mechanical coupling effects to displacement and stress of surrounding rock as well as stress of supports.Results of numerical computation show that seepage speed and displacement of rock formation with large permeability coefficient were effected greatly by seepage. Design and construction should consider seepage flow effect.
Selection of technologies involved: Midas Simulator, MATLAB
Selection of technologies involved: Midas Simulator, MATLAB