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Article
Open AccessA coupled fluid-mechanical interaction model for controlled gas migration mechanism by dilatancy effect in saturated bentonite
A gas breakthrough in saturated bentonite is relevant to the safety of high-level radioactive waste repositories. The study of gas transport mechanisms in saturated bentonite is very important for the safety a...
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Article
Gas migration properties through saturated bentonite considering the interface effect
The breakthrough of gas out from saturated bentonite is related to safety of nuclear waste repositories, so it is of important theoretical and practical significance to study the migration of gas in saturated ...
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Article
Study on permeability evolution mechanism of aquifer coal seam roof sandstone under plastic flow
The plastic zone of the roof surrounding rock continues to expand after the coal seam mining. The permeability of the surrounding rock under plastic flow is a basic project for water inrush prevention in coal ...
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Article
Experimental study on the failure law of water-bearing coal and the evolution of permeability under plastic flow
During coal excavation, coal pillars can undergo shear failure due to repeated loading and unloading of mining-induced stress, and this failure may be followed by plastic flow. Change in the permeability of th...
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Article
Experimental investigation on the seepage property of saturated broken red sandstone of continuous gradation
The statues of seepage in broken red sandstone may become unsteady due to the effects of water erosion, so it is important to consider the effect of mass loss on the permeability of broken red sandstone. In th...
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Article
The length of pre-existing fissure effects on the dilatancy behavior, acoustic emission, and strength characteristics of cracked sandstone under different confining pressures
It is significant to study the dilatancy behavior and strength characteristic of cracked rock to ensure the stability and safety of engineering rock mass. Consequently, the effects of the length of pre-existin...
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Article
Experimental Investigation of Non-Darcy Flow in Sandstone
A study was conducted to investigate non-Darcy flow for sandstone using an experimental system designed and constructed by the research group. Non-Darcy flow was found to exist for both the pre-peak and post-p...
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Article
Impact of particle transfer on flow properties of crushed mudstones
Karst collapse pillar (KCP) is widespread in North China coalfields, where coal extraction above the Ordovician limestone aquifer is threatened by the abundant supply of water and a very high hydraulic pressur...
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Article
Compaction and seepage properties of crushed limestone particle mixture: an experimental investigation for Ordovician karst collapse pillar groundwater inrush
As mining activity rapidly develops to deeper and deeper ground, there have been an increasing number of groundwater inrush events occurring in China. The Ordovician limestone karst collapse pillar (KCP), whic...
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Article
Effect of Particle Mixture on Seepage Properties of Crushed Mudstones
Crushed rocks, especially mudstones, whose seepage properties are strongly influenced by particle mixture during compaction due to muds will be washed away after water flow. The present study focuses on the po...
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Article
Experimental Study of Seepage Properties of Broken Sandstone Under Different Porosities
In coal mining the water flow in broken rock is a very common phenomenon. Study of seepage properties of broken rock is one of the basic subjects required in order to understand the stability of rock surroundi...
