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1-20 of 57
Keywords: shear strength
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Proceedings Papers
Paper presented at the ISRM Regional Symposium - 12th Asian Rock Mechanics Symposium, November 22–26, 2022
Paper Number: ISRM-ARMS12-2022-022
...* and Debasis Deb aIndian Institute of Technology Kharagpur, West Bengal, India *[email protected] Abstract. The stability of mine overburden dumps is crucial for the proper functioning of surface mining activities. The physical characteristics of dump constituents influence their shear strength...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-329
.... A series of numerical simulations with different PSD of HBS under different hydrate saturations and vertical stresses are conducted. The results show that the shear strength, residual strength, and dilatation of HBS increase with increasing hydrate saturation at the same PSD. It is found...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-380
... Abstract To explore the shear properties in cotton straw fiber-reinforced mud soil under freeze-thaw(F-T) cycles, direct shear tests are carried out on soil samples after different F-T times to obtain the influence of fiber content and F-T times to the shear strength of cotton straw fiber...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-393
... the principal axes of the correlation structure on slope reliability. Thereafter, the influences of the coefficient of variation (COV) and shear strength cross-correlation on slope reliability are revealed. Results show that slope stability first increases and then decreases with increasing rotation angle...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-378
... geology society iop publishing iop conf reinforcement sedimentary rock rock type environmental science 861 plane engineering sandstone clastic rock reservoir characterization rainfall fissure shear strength design safety requirement geologist stability conference requirement excavation...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-412
... and normalised soils engineering properties) method are adopted to minimize the sample disturbances. Linear correlations between strength and depth are discovered for Tra Vinh organic clay and Tra Vinh clay. The normalised undrained shear strength ( s u / σ v0 ’) NC for Tra Vinh organic clay at 0m to 20m...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-451
... and COMSOL Multiphysics, the mechanism of the retaining wall collapse induced by the bursting of a water supply pipeline was studied. Results indicated that in the early stage of this collapse, the shear strength of soil mass and the anchoring force weaken gradually. The retaining wall deformation develops...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-561
... is proposed in this work. Cyclic shear tests of rock joints are carried out with the cyclic shear equipment. With three–dimensional texture scanning technology, the cyclic shear failure mode of the rock joint is analyzed. The variation trends of shear strength and stiffness of the rock joint under...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-604
... during shearing. The vertical normal stress and the prestress can effectively improve the shear strength of the joint in the front period; however, the higher the prestress, the smaller the shear displacement when the anchor cable is destroyed. The damage of the two types of prestressed anchor cables...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-074
... strength was found when a reduction factor was introduced to quantify the shear strength of the soil-structure interface, with a range of 0.53∼0.83. Combined with numerical analysis, stress concentration is generated at both the edge and the center of the shearing surface. The shear stress and shear...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-125
... phenomena: the shear strength of soil increases (thermal hardening) or decreases (thermal softening) with an increase in temperature. In order to describe these two different thermo-mechanical behaviors of clay, a new thermal elastoplastic constitutive model of saturated clay, in which the influence...
Proceedings Papers
Study on Compaction Control Standard of Different Contact Clay Areas for 300m High Core Rockfill Dam
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-182
..., the compactness control standards for different contact clay areas of high core rockfill dam are proposed. The results show that for the contact clay area of dam slope on both banks, for the area where the stress level exceeds 0.9, the compaction degree should be increased, so as to improve the shear strength...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-181
... compressive strength, tensile strength and shear strength of experimental rock samples were tested and calculated. Using natural coal and briquette rock, number of experiments under submerged conditions were carried out. The effects of nozzle pressure, jetting distance, jetting time and jetting direction...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-203
.... This paper carried out a series of large-scale direct shear tests on the T-L rock mass collected in site considering four normal pressure levels. The shearing characteristics and the associated block crushing phenomena were analysed. The shear strength of the T-L rock mass increased as the normal pressure...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-246
... characteristics [10–13]. There are few reports on the mechanical properties, resulting in an unclear understanding of the corresponding fracturing strategies. mineral geologist rock type wellbore design reservoir characterization society iop publishing iop conf shear strength reservoir geomechanics...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-219
... tectonics reservoir characterization cavern structural geology geological subdiscipline instability stability disturbance society iop publishing iop conf disturbance intensity integrity engineering shear strength environmental science 861 conference geologist reservoir geomechanics strength...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-265
... geology reservoir geomechanics geologist wellbore integrity wellbore design society iop publishing iop conf environmental science 861 drillability tensile strength reservoir characterization conference uniaxial compressive strength shear strength characteristic hardness cohesion...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-640
... clastic rock rock type sedimentary rock geology cement formulation reservoir characterization cement property society iop publishing iop conf casing and cementing shear strength sandstone thickness figure geologist cement chemistry reservoir geomechanics geological subdiscipline...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-626
... presents the guidelines for the determination of the effective joint width and construction detail. We suggest design methods regarding the evaluation of the shear strength of the eccentric beam-column joint with haunch beam and construction requirements. 1. Introduction In a reinforced concrete (RC...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 11th Asian Rock Mechanics Symposium, October 21–25, 2021
Paper Number: ISRM-ARMS11-2021-469
... Abstract In this study, a new model for evaluating the dynamic shear strength of slope material has been proposed in DDA for earthquake-induced landslide simulation. The effect of fatigue and accumulated damage in evaluating the dynamic strength of rocks has been considered to judge...
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