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Keywords: rock sample
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Proceedings Papers
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-013
... effects on the rock dynamic compressive strength using three-dimensional SHPB numerical testing system. Different rock samples, including the solid cylindrical ones with different length to diameter ratios and the ring shaped ones with different inner diameters, were utilized to analyze the axial...
Proceedings Papers
Paper presented at the ISRM International Symposium - 10th Asian Rock Mechanics Symposium, October 29–November 3, 2018
Paper Number: ISRM-ARMS10-2018-128
... grid in Fig. 1 represents the rock matrix, and the white grid planes represent two parallel bedding interfaces. (a) Cylindrical mesh specimen (b) Cubic mesh specimen Fig. 1. Layered rock sample models with = 60° In the numerical models, the rock matrix is defined by seven parameters, as shown...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-033
... on the surface of rocks to consider whether sealing of poresand cracksin rock can be accelerated or not. As rock samples, we used 4kinds of rocks including igneous rocks and sandstones. At first, we prepared cylindrical specimens, and then kept them in distilled water with powders of HSULPC. Then, we observed...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-044
... of creep process. In addition, the locations of micro contact fractures have been recognized based on the AE information of fractured rock surfaces. Reservoir Characterization shear experiment october 2014 rock sample structural geology AE energy fractured rock fractured surface fractured...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-097
..., acoustic, electromagnetic and other techniques. However, these methods do not provide comprehensive knowledge about failure process since data are collected at a few points attached to a rock sample. Often it is not possible to monitor rock deformation with time at every location in a structure and hence...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-101
... symposium arms8 pop sample rock sample shock tube Reservoir Characterization blast wave jagadeesh pressure profile equation 8th Asian Rock Mechanics Symposium ARMS8 14-16 October 2014, Sapporo, Japan Shock Tube based Study on Damage Prediction of Soft Rocks P. Viveka*, T G. Sitharama, G...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-169
... tests but they could be found in a few research centers around the world. So researchers are searching alternative ways of determining cutter forces. In this study, six different rock samples are conducted to laboratory tests for determination of physical and mechanical characteristics. During...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-235
... analysis rock sample dissolution permeability fracture permeability 8th Asian Rock Mechanics Symposium ARMS8 14-16 October 2014, Sapporo, Japan Evolution of Permeability in Granite Fracture under High pH Conditions H. Yasuharaa*, N. Kinoshitaa, K. Maetaa, S. Nakashimab, K. Kishidac aEhime University...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-317
... flowing through the rock sample is depressurized to gaseous phase to measure its flow rate under a lower pressure condition. An average flow rate over a period of time is used to calculate the permeability coefficient of CO 2 in rock sample. An application example using a siltstone for testing proves...
Proceedings Papers
Paper presented at the ISRM International Symposium - 8th Asian Rock Mechanics Symposium, October 14–16, 2014
Paper Number: ISRM-ARMS8-2014-320
...-ray ct image pressure vessel CT image pore rock sample histogram subtraction method Fluid Dynamics Sato replacement ratio injection 8th Asian Rock Mechanics Symposium ARMS8 14-16 October 2014, Sapporo, Japan ?-focus CT Observation of Stored CO2 in Porous Media by the Histogram Subtraction...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-038
... parameters requires testing of many rock samples using an expensive and time-consuming triaxial testing set-up. In this study, a correlation between the apparent cohesion and the unconfined compressive strength was developed based on laboratory measurement data of more than 300 rock samples of different...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-015
... permeability and associated changes in P-wave and S-wave velocities at elevated effective pressure for both intact and fractured rock samples of two sandstones and two igneous rocks. It was shown that the wave velocities increased with increasing pressure for all cases. The permeability of igneous rock...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-102
..., the replacement ratio Rv and residual ratio Rsare newly defined and the procedure to obtain these values from CT image data was introduced. In this study, CO 2 injection tests towards the rock sample which were fully saturated by water and the successive water injection tests were conducted. In the CO 2...
Proceedings Papers
Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, October 15–19, 2012
Paper Number: ISRM-ARMS7-2012-103
... fair agreement with the experimental measurements, although further considerations and modifications are found to be required. Upstream Oil & Gas experimental measurement configuration rock sample hydraulic fracturing mudstone sandstone permeability change Fluid Dynamics prediction...
Proceedings Papers
Paper presented at the ISRM International Symposium - 6th Asian Rock Mechanics Symposium, October 23–27, 2010
Paper Number: ISRM-ARMS6-2010-020
... locations along the alignment and at each pier location were taken by the contractor. Rock samples at various depths from the borings were tested in the laboratory to further classify the material and to estimate engineering properties. Four Osterberg load cells tests were performed to assess ground...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-144
... tests of one homogeneous rock sample and one including an identified joint are required. The same parameters assumed for all planes through homogeneous rock sample. Figures 3-a and 3-b show this calibration as the variation of axial load and volumetric strain versus axial strain. At the second stage...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-117
... to the sample at the mid height. Figure 3 shows the axial stress and acceleration response as a function of time. The failure of this rock sample is ductile and the maximum acceleration is much less than that for granite sample. Nevertheless, the maximum acceleration occurs just before the residual state, which...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-160
... different porosity ratio brittle porous rock Rock Mech flow in porous media mathematical model specimen rock specimen water head pressure deformation permeability Upstream Oil & Gas porosity ratio permeability evolution rock sample equation ISRM International Symposium 2008 5th Asian...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-043
... behaviors of some rock samples of China. Strain rockburst type was classified by the processes of rockburst experiments in laboratory, involving instantaneous rockburst, stage rockburst, and delay rockburst. The suitable study method of every stage of strain rockburst was also discussed. Furthermore...
Proceedings Papers
Paper presented at the ISRM International Symposium - 5th Asian Rock Mechanics Symposium, November 24–26, 2008
Paper Number: ISRM-ARMS5-2008-041
... Emission (AE) method has been used by many and proven to be reliable as experienced at an underground gold mine in Indonesia. This paper therefore emphasizes on the technique development of AE test on 6 cored rock specimens retrieved from a reasonably large size core rock sample with different directions...
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