Rock Mechanics and Rock Engineering
Papers 3,140
1 page of 314 pages (3,140 results)
#1Yevgeniy Samarkin (KFUPM: King Fahd University of Petroleum and Minerals)
#2Abduljamiu Amao (KFUPM: King Fahd University of Petroleum and Minerals)H-Index: 8
Last. Khalid Alruwaili (Saudi Aramco)H-Index: 2
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Carbonate rock strengthening techniques are widely used in cultural heritage preservations. Recently, there has been a growing interest in their application in the oil and gas sector to improve the hardness and stability of fracture surfaces compared to the predominant host mineral. In this study, two rock lithologies were treated (chalk and limestone) at ambient temperature using 0.9 M NaF and 0.1 M ZnSO4 solutions with the aim of improving the hardness of the rock surfaces by transforming thei...
#1Jiang Rihua (SDU: Shandong University)
#2Kang Duan (SDU: Shandong University)H-Index: 16
Last. Qiangyong Zhang (SDU: Shandong University)H-Index: 12
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Two methods (i.e., direct tensile test and the Brazilian test) are commonly adopted to measure the tensile strength of rock, but the tensile strengths obtained by the two methods are obviously different. Taking Beishan granite as physical background, this study systematically investigates the discrepancies between the Brazilian test and direct tensile test with the use of three-dimensional Flat-joint model (FJM3D) simulation. Simulation results indicate that the Brazilian disc is under a complex...
#1Lifeng Fan (Beijing University of Technology)H-Index: 28
#2Q. H. Yang (Beijing University of Technology)
Last. Xiuli Du (Beijing University of Technology)H-Index: 29
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This paper investigates the equivalent viscoelastic behavior of granite after different high-temperature treatments under stress waves. The equivalent viscoelastic behavior of granite after different high-temperature treatments under dynamic conditions was investigated by the pendulum impact test, while its quasi-static behavior was investigated by the uniaxial compression test. The attenuation coefficient, wave number, storage modulus and loss modulus of granite after high-temperature treatment...
#1Gang Wang (MOE: Ministry of Education of the People's Republic of China)H-Index: 1
#2Xia-Ting Feng (MOE: Ministry of Education of the People's Republic of China)H-Index: 53
Last. Rui Kong (MOE: Ministry of Education of the People's Republic of China)H-Index: 6
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Because true triaxial compression testing is generally more complicated, time-consuming, and expensive than conventional triaxial compression testing, further research is needed to reduce the cost and time of true triaxial compression tests. In this study, the true triaxial apparatus developed by Northeastern University is used, which can change the principal stress in one direction independently. Multi-stage true triaxial compression tests are carried out on Jinping marble, and the effectivenes...
#1Gen Li (DUT: Dalian University of Technology)H-Index: 1
#2Xiaofeng Cheng (DUT: Dalian University of Technology)H-Index: 1
Last. Chunan Tang (DUT: Dalian University of Technology)H-Index: 22
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The failure and instability of a kind of specific rock structural bodies, such as the spalling-induced thin rock plates and the slender rock pillars, are the key inducing factors of rock engineering disasters and they are closely related to the shape effect, i.e., the height-to-width (H/W) ratio. For application in engineering practice, the strength characteristics and failure modes of the rock structural bodies when their H/W ratios vary in a wide range should be specially concerned, whereas th...
#1Chen Ming (CUP: China University of Petroleum, Beijing)H-Index: 7
#2Tiankui Guo (CUP: China University of Petroleum, Beijing)H-Index: 18
Last. Zhanqing Qu (CUP: China University of Petroleum, Beijing)H-Index: 14
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A proppant transport simulator coupled with multi-planar 3D (multi-PL3D) fracture propagation has been developed to examine the proppant distribution among multiple hydraulic fractures during multi-cluster fracturing in a horizontal well. The multi-PL3D fracture model considers wellbore friction, multi-fracture stress interaction, fluid leak-off, and multi-scale propagation regimes. The proppant transport is described by the two-phase (slurry/proppant) flow equations that consider proppant settl...
#1Franck Bourrier (UGA: Grenoble Alpes University)H-Index: 20
#2Vincent Acary (UGA: Grenoble Alpes University)H-Index: 23
Block propagation models have been used for years for rockfall hazard assessment. However, the calibration of model parameters that allow the simulations to accurately predict rockfall trajectories for a given study site remains a key issue. This research aims at investigating the predictive capabilities of block propagation models after a preliminary calibration phase. It is focused on models integrating the shape of blocks since, despite their sound physical bases, they remain less used than l...
#1Zhiguo LuH-Index: 2
#2Wenjun JuH-Index: 2
Last. Kang Yi (CUMT: China University of Mining and Technology)H-Index: 1
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Interbedded rock layers are a typical geological structure in coal measures. In underground mining practices, the disturbance resulting from the extraction of long-wall panels changes the loading rate of roof–coal structures. To investigate the mechanical behavior and failure characteristics of roof–coal structures under different loading rates, composite coal–rock specimens with a height ratio of 1:1 was prepared and loaded under uniaxial compressive conditions with different loading rates. Aco...
#1Wei Gao (GDUT: Guangdong University of Technology)H-Index: 11
#2Xin Liu (GDUT: Guangdong University of Technology)
Last. Y.T. Feng (Swansea University)H-Index: 32
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The rock fracture behavior has an important impact on the breakage performance of Tunnel Boring Machines (TBMs). To model the rock fracture process, a novel constitutive law is proposed for the cohesive zone model. In this constitutive law, the Mohr–Coulomb criterion is adopted as the crack initiation criterion, and followed by the development of a traction–separation model under both the compression and tension states to describe the strongly pressure-dependent mechanics of rocks. After the com...
#1Chao LiuH-Index: 32
#2Dung T. PhanH-Index: 7
Last. Younane N. AbousleimanH-Index: 35
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