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Sudden Slide Mechanism of a Rock Block in Road Cutting Slope with Soft and Hard Interlayered Bedding Structure Based on Energy Balance Theory
After the road excavation of the hard and soft interlayered bedding slope in the mountainous region’s valley area, the bedding slope often results in...
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Study on the mechanism and response law of fracture movement on the super-high position hard-thick strata
In this paper, a thick plate structural mechanical model was established for the hard-thick rock strata in the Ordos region, which was characterized...
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Characterization of basaltic rock aquifer parameters using hydraulic parameters, Theis’s method and aquifer test software in the hard rock area of Buchakewadi watershed Maharashtra, India
The twelve wells were selected to carry out the various test, duration of pum** (min), maximum draw drown (m), duration of recovery (min), residual...
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Effect of microwave heating on the mechanical properties and energy dissipation characteristics of hard rock
To study the effect of microwave on the weakening mechanism of hard rock, uniaxial compression tests were conducted on granite samples after...
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Deformation Characteristics and Stress Evolution Law of Composite Hard Roof Under Presplitting Weakening
Due to the influence of economic development on the demand growth of coal resources, many mines in China have gradually entered deep mining. When the...
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Cutting efficiency of extremely hard granite by high-pressure water jet and prediction model of cutting depth based on energy method
Traditional mechanical rock breaking has problems such as low rock breaking efficiency and severe tool wear when encountering extremely hard granite....
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Damage Evolution and Integrity Assessment of Jointed Rock Mass Based on Synthetic Rock Mass Approach
The integrity coefficient K v of bed rock is one of the important approaches to evaluate the stability of engineering rock mass, but this parameter is...
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Experimental Research on Dynamic Failure of Rock–Cemented Material–Rock Interface Considering Strain Rate Effect
Due to the presence of natural joints and weak interlayer interfaces in the rock mass, the rock mass will be damaged or even deformed to high degree...
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Effect of lateral stress on shear strength of jointed hard rocks in true triaxial single-shear test
Shear failure along joints is one of the typical failure modes in deep underground rock masses, and indoor direct shear tests are commonly used to...
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Effect of stress paths on failure mechanism and progressive damage of hard-brittle rock
During deep buried hard-brittle rock tunnel excavation, the surrounding rock experiences a complicated stress path and stress adjustment process....
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Theoretical study on stability evolution of soft and hard interbedded bedding reservoir slopes
Soft and hard interbedded bedding rock slopes, which is prone to failure, are widely distributed in the Three Gorges Reservoir, China. Limit...
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Mechanical properties and damage evolution characteristics of composite rock mass with prefabricated fractures
In this study, the influence of fractures on the mechanical properties and cracking behavior of composite rock mass was investigated by preparing...
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Study on Wear Prediction of Shield Disc Cutter in Hard Rock and Its Application
It is important to enable the prediction of disc cutter wear during shield tunnelling through hard rock because such wear is associated with project...
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Multi-step real-time prediction of hard-rock TBM penetration rate combining temporal convolutional network and squeeze-and-excitation block
Accurate penetration rate prediction enhances rock-breaking efficiency and reduces disc cutter damage in tunnel boring machine (TBM) construction....
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Experimental study on rock breaking using a microwave-assisted tunnel boring machine cutter
Tunnel boring machines (TBMs), excavation tools for tunnel construction, often struggle to penetrate extremely hard rock formations. This study...
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An experimental investigation on the failure behaviour of surrounding rock in the stress concentration area of deeply buried tunnels
To investigate the failure behaviour of the stress concentration areas of deeply buried hard rock tunnels, model tests under uniaxial and biaxial...
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Experimental study on three-point-bending characteristics of hard and soft rock-like materials under different loading rates
Bending failure is a common failure mode of layered rock mass. Making clear the mechanical behaviors and energy evolution characteristics of layered...
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A Numerical Model for the Bearing Capacity of Anchoring Interface in Composite Rock Mass by A Modified Nonlinear Bond-Slip Model
To investigate the mechanical behavior for rock bolt embedded in composite rock mass, a modified nonlinear bond-slip model considering the residual...
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Characteristics and mechanism of time on sand powder 3D printing rock analogue: a new method for fractured rock mechanics
Laboratory tests are one of the most fundamental and crucial methods in rock mechanics and engineering research. Natural rock specimens are...
