7 Result(s)
within
English
Environmental Science and Engineering
Geotechnical Engineering & Applied Earth Sciences
Mingzhong Gao
Article
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Article
Open AccessStudy on the dynamic constitutive model of coal at different depths in **dingshan mining area
The environment of deep in-situ occurrence is complex, and secondary dynamic disasters occur frequently. Exploring the dynamic constitutive models of coal at different depths is the foundation for deep resourc...
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Article
Open AccessAbnormal variation of P-wave velocity of red sandstone after cyclical thermal shock in water
Hot dry rock (HDR) has great development potential because of its advantages of clean, environmental protection and renewable. The study of physical and mechanical properties of HDR is one of the important lin...
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Article
Open AccessA modified particle contact model for matching the ratios of uniaxial compressive to tensile strength of brittle rocks
The Hertz-Mindlin with bonding (HMB) contact model in the commercial discrete element method (DEM) software EDEM is widely used to simulate and analyze the mechanical behavior of rocks. However, it cannot matc...
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Article
Open AccessDynamic compressive failure of coal at different burial depths
Dynamic disasters frequently occur in deep coal mines, where coals and rocks are under high in situ stresses. To reveal the failure mechanism of deep burying coals, the specimens were made of buried coals at a...
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Article
Open AccessMechanical behavior of coal under true triaxial loading test connecting the effect of excavation- and mining-induced disturbances
In order to understand the mechanical behavior of a stope and analyse the stress conditions of surrounding rocks after ventilation shaft excavation and the abutment stresses of the top coal mining layout. In s...
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Article
Open AccessThe novel idea and technical progress of lunar in-situ condition preserved coring
The moon is rich in material resources, lunar-based sampling is the foundation for an in-depth understanding of lunar material resources endowment characteristics, exploring the evolution of lunar geological s...
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Coal permeability model on the effect of gas extraction within effective influence zone
In situ gas extraction is the main measure adopted by mines to achieve mining safety standards. Coal permeability is significantly influenced by coal shrinkage during gas release. Based on effective stress and...
