International Journal of Rock Mechanics and Mining Sciences
IF
7.13
Papers
4,447
Papers 4,379
1 page of 438 pages (4,379 results)
Newest
#1Zhengliang Li (SEU: Southeast University)H-Index: 1
#2Jianchun Li (SEU: Southeast University)H-Index: 7
Last. Haibo Li (CAS: Chinese Academy of Sciences)H-Index: 18
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Abstract null null null During blasting application, ground motions are inevitably induced and have an adverse impact on the safety of surrounding structures. An artificial or natural concave terrain may cause the amplification or reduction of ground motion due to the complex interactions between the explosion-induced null seismic waves null and the concave terrain. It is essential to analyze the complex interactions, and to estimate the effectiveness of the ground motion amplification or reduct...
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#1Fei Liu (Qingdao University)
#2Chunan Tang (DUT: Dalian University of Technology)H-Index: 22
Last. Tianhui Ma (DUT: Dalian University of Technology)H-Index: 11
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Abstract null null null The Qinling water conveyance tunnel of the Hanjiang-to-Weihe null River Diversion null Project is the first one to overgo the Qinling Mountains with the maximum burial depth of about 2000 m, and the project is seriously threatened by rockburst hazards. The null null microseismic monitoring null technique capable of capturing microcracking and estimating damage of rock, was employed to monitor and predict rockbursts in the deep tunnel. To study the rockburst characteristic...
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#1Gabriel Walton (CSM: Colorado School of Mines)H-Index: 16
#2Sankhaneel Sinha (CSM: Colorado School of Mines)H-Index: 9
Abstract null null null Pillars are a critical component of underground mining systems, and for this reason, pillar mechanics has historically been a major topic of rock mechanics research. In the late 20th century, many empirical studies on hard rock pillar strength were conducted, culminating in the development of a pillar strength formula by Lunder & Pakalnis( Lunder and Pakalnis, 1997) 1 based on a large database of pillar cases with different performance outcomes. In this study, we re-evalu...
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Abstract null null The longwall top coal caving (LTCC) is a widely used method for producing thick coal seams. This method is applied in two different ways in steeply inclined thick coal seams by forming a longwall at the horizontal thickness of the seam and the slope of the seam. In the LTCC method, the top coal loss is generally expressed as the coals remaining behind the support units after the face advance. However, in addition to this coal loss in steeply inclined coal seams, a coal loss zo...
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#1Yu Feng (SUSTech: Southern University of Science and Technology)
#2Ke Gao (SUSTech: Southern University of Science and Technology)H-Index: 10
Last. Jiawei Li (SUSTech: Southern University of Science and Technology)
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Abstract null null Local mean stress state is an important parameter to many rock mechanics and geomechanics applications, yet its estimation may be subject to large uncertainty owning mainly to the usual limited number of high-quality stress data and the potentially significant natural variability of stresses in a rock volume. Hence, it is essential to quantify and reduce uncertainty in local mean stress estimation. This paper proposes a novel Bayesian hierarchical model that both probabilistic...
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#1Yongtao Yang (CAS: Chinese Academy of Sciences)H-Index: 24
#2Wenan Wu (Beijing University of Technology)H-Index: 2
Last. Hong Zheng (CAS: Chinese Academy of Sciences)H-Index: 59
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Abstract null null null The problem of frictional null discontinuities null in rock masses is addressed computationally in the context of the NMM (numerical manifold method). The use of the NMM allows the use of nonmatching meshes to discretize the problem domain. To impose null null frictional contact null null conditions, the Uzawa-type ALM (augmented null Lagrange null method), which inherits the merits of the LMM (Lagrange multiplier method) and the PM (penalty method), is incorporated into ...
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Abstract null null Deep mining of mineral resources leads to disturbances in the natural state of equilibrium which has formed in the rock mass for hundreds and thousands of years. Hard coal mining with longwall system which is carried out in the Upper Silesia Coal Basin (USCB) in Poland causes deformation of the rock mass. The effect of these are, among other things, the observed seismic tremors which are also called mining tremors. The time of occurrence of these tremors is connected with exce...
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#1P. Dinesh (IITB-Monash Research Academy)
#2Pathegama Gamage Ranjith (Monash University)H-Index: 74
Last. N. Muthu (IITG: Indian Institute of Technology Guwahati)H-Index: 7
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Abstract null null null null null In this paper, null uniaxial compressive strength null (UCS) tests were performed on cylindrical Gosford null null sandstone null null null specimens of varying null salinity null to quantify the degradation in the null null modulus of elasticity null properties. Three-point bending (TPB) tests of a single-edge notched beam (SENB) were performed to estimate the null null null fracture toughness . To accurately model the phenomenon of degradation in the presence ...
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#1Xianyu Zhao (WHU: Wuhan University)H-Index: 4
#2Derek Elsworth (PSU: Pennsylvania State University)H-Index: 74
Last. Tao Wang (WHU: Wuhan University)H-Index: 11
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Abstract null null null Grain texture characteristics play vital roles in modulating the anisotropy, strength, and null ductility null of null null crystalline rock null null . Grain textures (shape, size, orientation and heterogeneity) are a key parameter controlling response but are challenging to incorporate in a quantitative manner. We propose and incorporate a grain texture model (GTM) into granular mechanics modeling by the null distinct element method null (DEM). This model seeds then gro...
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#1Hui-Jun Lu (SCU: Sichuan University)H-Index: 1
#2Heping Xie (SCU: Sichuan University)H-Index: 48
Last. M.Q. Yang (SCU: Sichuan University)H-Index: 1
view all 8 authors...
Abstract null null null null Insight into the shear failure of shale is significant for the analysis of null hydraulic fracturing null and wellbore stability in a null null shale gas null null reservoir. In this work, a series of null direct shear tests null is conducted on cubic Longmaxi shale samples with various bedding orientations, i.e., null null α = 0°, 30°, 60° and 90°, where the bedding orientation α is defined as the angle between the bedding and shearing direction. The anisotropies in...
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