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Keywords: mechanical property
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Proceedings Papers

Paper presented at the 5th ISRM Young Scholars' Symposium on Rock Mechanics and International Symposium on Rock Engineering for Innovative Future, December 1–4, 2019
Paper Number: ISRM-YSRM-2019-097
... three sampling intervals, the 1.0 mm interval is pointed out the most appropriate one to evaluate the joint roughness. In addition, we evaluated and compared the JRC values of joints within granite specimens that have different mechanical properties and weathering state by two different methods (Z 2...
Proceedings Papers

Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-027
... Abstract Granite is a strong anisotropic rock affected by distribution of pre-existing microcracks. In various rock engineering applications, it has a significant meaning to understand the influence of internal microcrack distribution on the mechanical properties of rock. In this paper, static...
Proceedings Papers

Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-064
... strength source parameter model parametric study seismic efficiency estimation Upstream Oil & Gas Efficiency friction angle case study mechanical property computed seismic efficiency shear strength Estimation of Fault Slip-weakening Distance in an Underground Mine A. Sainoki a * and H. S...
Proceedings Papers

Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-072
... Abstract Mechanical properties and failure characteristics of specimens containing a couple of flaws under unloading condition has been studied by particle-flow-code (PFC) simulation. The results show that different unloading rates (Δ t ) and flaw inclination angles (α) result in variations in...
Proceedings Papers

Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-050
... in the laboratory. 1. Introduction Rock block displacement to be one of problem on rock mechanics and engineering. The analysis of rock block displacement are mainly related to many parameters, such as the geological structure, pore pressure, rock mechanical properties, seismic load, field stress...
Proceedings Papers

Paper presented at the 4th ISRM Young Scholars Symposium on Rock Mechanics, May 10–13, 2017
Paper Number: ISRM-YSS-2017-095
... 0.6% resulting from the above chemical reaction. This decrease was associated with microcracking caused by swelling and grain boundary change due to leaching. The influence of the above chemical reaction on the mechanical properties of lignite is small, despite the formation of DOC to produce biogenic...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-039
... ABSTRACT: The objective existing in-situ stress field and the physical mechanical properties of rock are closely related to the borehole stability in petroleum engineering. However, in present engineering design, rock mass is simply treated as isotropic material. This method may be acceptable...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-034
... microstructure characteristics, cation exchange, expansion deformation and also expansion force, heat conduction characteristics and penetration performance. Research results on physical and mechanical properties and features of bentonite under different soil-water conditions are rare. Shen Zhen-yao et al...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-029
... because of low permeability, high absorption, good thermal conductivity, excellent expansion performance and suitable mechanical properties. solid waste management water content shear failure surface dry density buffer material specimen specimen springback certain amount density 1...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-084
... parameter complex reservoir mudstone borehole burnt rock mechanical property slope angle strata TransitDevelopmentinRockM chanics Cai,Yeng WanglEd )@2015Taylor FrancisG up London ISBN978·7·138_02730-5Chara teristicsofbumr kndslopes b l tya alysisinL oju m openpit am eYL &T H YangK yLab r t rym...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-032
... response ratio of loading and unloading will dramatically increase when the rock sample approaches to the critical state. elasticity modulus critical state damage threshold compressive strength acoustic emission energy response ratio mechanical property peak value Upstream Oil & Gas...

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