Deformation monitoring and numerical simulation of shallowly-buried long-span double-arch tunnel;

Coupling analysis of surrounding rocks in double-arch tunnel by FE and BP neural networks;

Excavation scheme and construction sequence of double-arch tunnel under worse geological conditions;

Study on treatment schemes of an expressway multi-arch tunnel middle wall;

Construction of multi-arch tunnel at the V-grade surrounding rock with pilot method;

Numerical analysis and treatment of a collapsed middle drift for shallow multi-arch tunnel under unsymmetrical pressure;

On the construction waterproof and drain of partition in continuous arch tunnel;

The construction technology of accumulated body at the entrance section of Fuxi continuous arch tunnel;

Composite construction technology of Guixingdi double continuous arch tunnel;

In order to study the settlement of slope and the variety of the stress and strain,numerical simulation is carried out by eight different excavating sequences on the basis of the model of slope twin tunnel.

Taking Madihe twin tunnel as an example,a 3D nonlinear FEM simulation on the dynamic excavating procedure is processed.

The regulating technique of the second lining bias-voltage crack of arcade tunnel;

The combining management technique of roof slumping of bias-voltage arcade tunnel;

Analysis of site investigation of cracking and leakage on arcade tunnel lining of Yunnan province;

Bolting support monitoring of double-arched tunnel;

On construction technology of double-arched tunnel;

Seepage water treatment of mid-partition wall in double-arched tunnel in expressway;