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201
Loading-Rate Dependence of Rocks in Postfailure Region under Triaxial Compression
Published 2018-01-01“…It is feasible to use nc to evaluate the loading-rate dependence of rocks in the postfailure region. (2) The loading-rate dependence of the rock strength increases with the increase in the confining pressure. …”
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202
Research on Surrounding Rock Control Technology of Dongbaowei Deep Mining Roadway
Published 2021-01-01“…In order to explore the stability control of surrounding rock in the process of deep mining, comparative analysis of stress, deformation, and fracture characteristics of surrounding rock of deep and shallow mining roadway in dongbaotou coal mine, laboratory experiments, field measurement, numerical simulation, and field industrial experiments were adopted to put forward the control plan of the surrounding rock in deep roadway, which were verified by field industrial experiments. …”
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203
Study on Influence of Joint Distribution on Surrounding Rock Failure of an Underground Tunnel
Published 2021-01-01“…Due to geological structure and artificial disturbance, a large number of joints and fissures are formed in the surrounding rock of an underground tunnel. In order to study the influence of joints on the failure characteristics of tunnels, three test schemes with different joint lengths, joint spacing, and joint positions are designed. …”
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204
Experimental Study on Compaction Characteristics and Mechanical Behavior of Crushed Rock Masses
Published 2022-01-01“…The results indicated that the compaction and consolidation of the crushed rock masses involved a constant adjustment of the contact and stress states of the rock masses. …”
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205
The Comparative Study on the Damage Zones of Cylindrical and Spherical Charges in Rock and Soil
Published 2021-01-01“…To compare the damage zones of spherical and cylindrical charges in rock and soil, a quasistatic spherical model was established to predict the characteristic dimension of the cavity. …”
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206
State Judgement Model of the Coal and Rock Medium and Its Engineering Application
Published 2020-01-01“…To evaluate the damaging failure extent of the coal and rock mass and distinguish the state of the coal and rock mass medium, first, the medium state index was defined based on the acoustic wave propagation model. …”
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207
Experimental and Numerical Study of Rock Stratum Movement Characteristics in Longwall Mining
Published 2019-01-01“…To analyze the law of movement and caving of the roof rock stratum, the roof subsidence displacement, rock stratum stress, and the rock stratum movement law were analyzed by using the methods of the particle discrete element and similar material simulation test. …”
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208
Numerical Built-In Method for the Nonlinear JRC/JCS Model in Rock Joint
Published 2014-01-01“…The joint surface is widely distributed in the rock, thus leading to the nonlinear characteristics of rock mass strength and limiting the effectiveness of the linear model in reflecting characteristics. …”
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209
Numerical Study of Damage to Rock Surrounding an Underground Coal Roadway Excavation
Published 2020-01-01“…This study simulates deformation and damage in the rock surrounding a shallow coal seam roadway using particle flow code. …”
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210
Bedding Plane Effects on Mechanical Behavior of Surrounding Rock in Mountain Tunneling
Published 2021-01-01“…The layered rock showed the characteristics in Mountain tunnel, Yunnan. …”
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211
Study of Shear Capacity of Jointed Rock Mass with Prestressed Anchor Bolt
Published 2019-01-01“…Rock mass failure caused by jointed plane is the common disaster in geotechnical engineering. …”
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212
The lowest altitudinal record of Horvath's Rock Lizard (Iberolacerta horvathi) in Slovenia
Published 2008-12-01Get full text
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213
Rock brittleness evaluation method based on the complete stress-strain curve
Published 2019-07-01Subjects: “…Rock mechanics…”
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214
Urbanisation and Education Development: A Case Study of Rock High School.
Published 2025Subjects: Get full text
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215
Representative Sample Sampling Method for Size Effect Experiment of Jointed Rock Mass
Published 2020-01-01“…The influence of size effect on the hydromechanical behavior of rock mass has long been recognized. As a result, analysis of the rock mass size effect has been developed. …”
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216
Analysis on Characteristics of Surrounding Rocks of Roadway and Bearing Structure Based on Stress Regulation
Published 2021-01-01“…Stability forms of the bearing structure of roadway surrounding rocks were analyzed by using the axis-changing theory from the perspectives of surrounding rock, mechanical properties of roadways, surrounding rock stress distribution, and mechanical mechanism of the bearing structure. …”
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217
Uniaxial Compression Mechanical Properties of Rock Samples in Soft and Hard Composite Strata
Published 2020-01-01“…In the upper soft and lower hard composite strata, it is very difficult to sample the rock and test the mechanical properties of the samples. …”
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218
Study of Damage Constitutive Model of Brittle Rocks considering Stress Dropping Characteristics
Published 2020-01-01“…Deep brittle rock exhibits characteristics of rapid stress dropping rate and large stress dropping degree after peak failure. …”
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219
Experiment and Failure Analysis of Rock-Like Material Affected by Different Excavation Depths
Published 2021-01-01“…In order to increase the understanding of the strength and failure mechanism of rock mass during tunnel excavation, a series of uniaxial compression tests were conducted on mortar specimen with cracks and holes by using a rock mechanics servo-controlled testing system. …”
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220
A Damaged Constitutive Model for Rock under Dynamic and High Stress State
Published 2017-01-01“…The main research work of this paper focuses on the theoretical prediction of the constitutive relationship for rock, concrete, and other quasi-brittle materials under dynamic and complex stress state and the influence of dynamic mechanical behavior of rock on practical engineering problems was studied. …”
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