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1-20 of 90
Keywords: mechanism
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Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-328
... Abstract Damage and fracture of rocks is a comprehensive result of strain energy dissipation and release. In order to study the energy evolution mechanism of hard brittle rock masses during failure process, uniaxial compression tests on the granite specimens with a single pre-existing flaw...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-392
... publishing iop conf reservoir geomechanics displacement mechanism mining stability spall strength Abstract Coal wall spall causes serious mining difficulties, especially in deeply buried longwall working faces with a weak roof. To study the deformation and failure mechanisms of the coal wall...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-326
... modeling of the rock strength. geologist reservoir characterization particle engineering geology geological subdiscipline rock mechanic reservoir geomechanics simulation deformation international journal experiment rock engineering mechanism stiffness society iop publishing iop conf...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-385
... the interaction mechanism of pile and soil, the soil stress behind the anti-slide piles was studied based on the stress analysis of a semi-infinite plate. The influencing factors, such as time, pile spacing, and pile number were considered for the soil arching effect determination. A new method for determining...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-332
... Abstract The number of tunnels crossing fault zones in Western China has inevitably increased. These tunnels would undergo serious damage under the dislocation, especially for the reverse fault condition. Therefore, this study aims to reveal the longitudinal mechanical responses of tunnels...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-401
... Abstract Landslide reactivation is a progressive process that takes a long time and is influenced by various factors. Studies that focus on short periods or limited factors may fall short of revealing the complicated reactivation mechanism. In this study, the mechanism of Xiajiang Hydraulic...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-382
... heavily rely on the experience of engineers and could be conservative. To overcome the limitations of empirical methods, mechanics-based methods have been suggested to analyze the roof stability of karst caves [3-7], which are often based on limit equilibrium analysis. To consider the uncertainties...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-394
... the mechanism of rockburst is complex, and there is no unified understanding of its generation mechanism at present, thus it is hard to predict the rockburst happen or not and the intensity to guide for the underground engineering construction. Support Vector Machine (SVM) was used to classify the rockburst...
Proceedings Papers
Xiao Ming Sun, Fu Kun Shi, Chen Ye, Yong Zhang, Li Cui, Wen Chao Zhao, Ming Jiang, Jia Xu Ding, Zhen Min Qi, Ming Qun Zhu
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-372
... mass strength. Based on the rock mass strength reduce observation, this article selects Shandong Wanfu coal mine sandstone samples, based on XRD mineral composition and scanning electron microscopy testing, using nuclear magnetic resonance (NMR) and 2,000 kN rock single triaxial rock mechanics...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-388
... forces in these theoretical models are derived mainly based on idealized assumptions, related to the cutting pattern and rock breaking mechanism. However, there is no consensus on the rock breaking as well as the cutter-rock interaction mechanisms. In this study, DEM simulations of the rotary cutting...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-387
... to ascertain the cause mechanism of the strength weakening of the limestone in the stockyard, we take the stockyard in the dry valley as an anatomical point. The strength weakening of limestone is comprehensively analyzed by means of drilling, large-section excavation, site investigation, sampling...
Proceedings Papers
G. Di Toro, S. Aretusini, C. Cornelio, S. Nielsen, E. Spagnuolo, A. Núñez-Cascajero, A. Tapetado, C. Vázquez
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-398
... Abstract Dynamic fault strength τ (rock friction in the broad sense) and its evolution with seismic slip and slip rate are among the most relevant parameters in earthquake mechanics. Given the large slip rate (1 m s −1 on average), displacement (up to tens of meters), effective stress (tens...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-404
... science 861 pipeline corrosion prestressed anchor cable conference subsurface corrosion materials and corrosion durability mechanism corrosion management riser corrosion production chemistry flowline corrosion society iop publishing iop conf corrosion mechanism china hydropower station...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-415
... numerical simulation hugoniot polynomial coefficient propagation mechanism mergeformat Abstract As a safe and environment-friendly rock breaking technique, CO 2 blasting has been paid more and more attention. Most of previous researches estimate the radius of rock damage induced by CO 2...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-430
... Abstract Water inrush is the main geological disaster occurred during karst tunnel excavation, which will cause huge economic losses and casualties. Therefore, it is important to investigate the water inrush mechanism of karst tunnel surrounding rock mass for preventing water inrush disasters...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-032
... Abstract A rock mass has a large number of macroscopic and microscopic defects, such as joint cracks and microcracks, which greatly affect its physical and mechanical properties. In this study, a multiscale elastoplastic damage model was proposed to describe the influence of the existence...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-561
... Abstract Cyclic loading is a common concept in geotechnical engineering, which has an important effect on rock joints. To study the mechanical properties and failure mechanisms of rock joints under cyclic loading, a kind of rock joint cyclic shear device with a top-to-top configuration...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-629
... mechanism of cracking and failure risk of hard rock was revealed from the perspective of risk, based on the analysis of the influencing factors of the cracking behaviour. Secondly, the risk consequences and losses caused by progressive cracking of hard rock were summarized through typical historical...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-608
... sedimentary rock geology organic-rich rock hydraulic fracturing reservoir geomechanics geologist rock type reservoir characterization preset notch bedding journal environmental science 861 mechanism society iop publishing iop conf conference clastic rock specimen propagation...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-060
... of 5 m and depth of 400 m in the slope. The bedding fault was the groundwater channel in the slope with saturated rock mass, according to the latest survey. To reveal the initiation mechanism of Daguangbao landslide (hereinafter short for DGB landslide) related to groundwater, a kind of simplified...
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