The discharge of groundwater and the load on lining structure are both significantly impacted by obstruction tunnel drainage system. In this study, fluid–structure interaction model was established based finite difference software FLAC3D. Then, research explored effects symmetric asymmetric blockage in circular drainpipe, transverse drainpipe at pipe joint pore water pressure, displacement stre...

Based on a typical project in an altered rock area, this study carried out numerical simulations using the FLAC3D software to calculate changes stress field, deformation and plastic zone of surrounding during unsupported supported excavation water transfer tunnel. The degree alteration was considered as base point. following results were obtained: state, tunnel affected by different degrees alt...

In order to get the law of rainwater infiltration and progressive water damage, slope Tianshang bridge foundation in Yunnan Province China is taken as engineering basis. The site investigation damaged carried out. traditional Green-Ampt model improved by considering ponding effect dynamic flow on surface. Based variation characteristics wetting front obtained model, failure process with continu...

Ensuring the stability of paste false rooves is an important issue in study process filling and slicing mining. Here, a mechanical model roof created to analyze its lower mining order determine minimum thickness roof. We use FLAC3D simulate influence changes on The quantitative functional relationship between subsidence roof, optimal artificial finally obtained by development law plastic zone f...

Under high dynamic load, roadway deformation and failure may occur, posing great challenges. As for now, few studies have been carried out on the impacts of various factors surrounding rocks under not to mention those intelligent prediction laws. This paper fills these research gaps by studying characteristics method load. The finite difference software Flac3D was used analyze influences buried...

The potential of sudden water accidents induced by damage to the bottom slab that forms a channel due action karst calls for research on law coal seam floors under coupling effect mining and water. In this study, situation floor rock was analyzed based theory mechanics fracture mechanics, combined with actual geological conditions floor. water-rock investigated using theoretical analysis mechan...

In the practical processes of coal mines and tunnel, rectangular roadways are widely used in underground environment. However, stress distribution law rock mass around is relatively complicated that influenced by different parameters, such as situ stress, geological structure, properties surrounding mass. It extremely significant to conduct systematic in-depth research regarding deformation fai...

The accurate prediction and evaluation of stress displacement fields surrounding rock is the fundamental premise for deformation control soft tunnels under high geo-stress condition. However, due to complicated mechanical characteristics with confining pressure influence, current numerical simulation method usually regards parameters as constant ignores variation these in process, which leads r...