9 Result(s)
within
Huiqiang Duan
Geotechnical Engineering & Applied Earth Sciences
Waste Management/Waste Technology
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Article
Numerical Simulation Study on Mechanical and Acoustic Emission Characteristics of Coal–Rock Combined Body Subjected to Cyclic Disturbing Loading
In order to further study the mechanical properties of coal–rock combined body, the conventional uniaxial compression and cyclic disturbing loading tests were carried on it by numerical simulation method. The ...
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Article
Characteristics of Collapse Accumulation Body in Roadway and Numerical Simulation of Rescue Channel Excavation
After the coal mine disaster, the collapsed accumulation body blocked the roadway and interrupted the rescue route, which seriously affected the development of rescue. Based on the post-disaster blockage rescu...
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Article
Numerical Simulation Study on Crack Evolution Characteristics of Coal Specimen Subjected to Conventional Compression Loading
The paper represents a simulation investigation about the crack evolution and acoustic emission characteristics of coal specimen subjected to conventional compression loading with four confining pressures. Fro...
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Article
Fractal Characteristics of Coal Specimens’ Surface Cracks in Triaxial Conventional Compression and Cyclic Loading Tests
This paper presents an experimental investigation of the fractal characteristics about surface cracks of failed coal specimens in triaxial conventional compression and cyclic loading tests. The fractal charact...
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Article
A New Gob-Side Entry Retaining Approach with Reinforced Filling Gangue Wall in Thin Coal Seam
Gob-side entry retaining technology is an effective method for sustainable exploitation of coal resources and has been widely used in China. However, there are a large surrounding rock deformation and hard sup...
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Article
The Fatigue Strength and Failure Mode of Coal Sample Subjected to Cyclic Loading
In order to study the fatigue strength and failure characteristics of coal samples, a series of multilevel cyclic loading tests were carried out. The test results show that: (1) When the confining pressure cor...
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Article
The Fractal Characteristics of Coal Sample’s Fragments Subjected to Cyclic Loading
A series of test were performed to study the fractal characteristics of fatigue failure of coal samples. The research revealed the difference of fractal characteristics in conventional compression test and cyc...
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Article
Deformation and Dissipated Energy of Sandstone Under Uniaxial Cyclic Loading
The fatigue deformation of sandstone was investigated in the laboratory using uniaxial cyclic loading tests. These tests showed that: (1) Fatigue deformation can be divided into three phases, the primary, stea...
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Article
Analysis on Roadside Support Method with Constant Resistance Yielding-Supporting Along the Goaf Under Hard Rocks
Under hard roof in mining, the roadside support body of gob-side entry retaining bears high pressure, and is easy to damage and fracture. It puts forward the new roadside support method with constant resistanc...
