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Keywords: increment
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-597
... & Gas liner Reservoir Characterization orientation plane Gauss instability increment Artificial Intelligence Displacement vector plot separation closing plane elastic-plastic model failure mechanism structural unit compliance matrix MPa ith plane underground cavity deformation...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-056
... of stresses, the state of strains and the stress increments. The units in the output layer may represent the strain increments .In the new constitutive modeling method, the constitutive behavior is directly captured from structural test results by means of the learning capabilities of NNs and is encoded...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-052
..., separation- /closing phenomenon under the current effective normal and shear stresses on sampling planes. Generalizing the behavior of partially saturated soil as elastic-plastic; strain increments can be decomposed as elastic and plastic parts and schematically written as follows: d e =d e e+d e p (1...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-538
... ABSTRACT: A series of unique laboratory uniaxial compression tests, referred to as incremental damage tests, were performed to measure the degree of stress-induced brittle fracture damage as a function of the applied load. Strain gauge and acoustic emission measurements were combined...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-590
... the structural integrity of culvert (Roh,1999). With increasing number of constructions, it is more difficult and expensive to get granular materials than before. earth pressure lateral soil pressure inclinometer earth pressure cell roller distance increment backfill material dynamic compaction...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-210
... of the failure zone there are no grains mutual movements and ,naturally, plastic deformation. As soon as in massif there is no plastic deformation (no recombination of grains) that resistance can be taken as elastic and in the ultimate state u (2) = ( n0+ d)tan / (2) where d dilatant increment of normal...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-001
...(a), for an incremental joint deformation, contact /.1.1 F, (a) (b) Fig. 3. Free-body diagrams for a distinct element formulation. forces and relative displacements are related by the expressions: (1) where Kn and Kg are the normal and shear contact stiffnesses, and ~un and AUg are increments of normal and shear...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-089
... Reservoir Characterization coordinator pressure reading failure strength rock mass Upstream Oil & Gas great depth MPa determination reservoir geomechanics deformation modulus stress increment Poisson axial stress increment biaxial stress strength hydraulic borehole pressure...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-029
..., the mode of deformation depends on the motion of each block, such as mentioned above, the rotation of body and the amount of slippage between discontinuous planes, are classified as category B. elastic-plastic deformation rigid body rotation increment deformation mode Upstream Oil & Gas...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-030
... strength will increase about up to 1,5 times that of the static value at the time of quick loading. 3 STRESS INCREMENT OF ROCK DUE TO EARTHQUAKE 3.1 Strain and Stress Caused by Seismic Waves Seismic waves consists of the body waves such as the longitudinal wave (P-wave), the shear wave (S-wave...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-080
... gradient and form an angle with it. Fluid Dynamics History water pressure excavation seepage force Upstream Oil & Gas calculation characteristic tensile stress stress distribution tunnel stress boundary condition lining increment flow in porous media seepage potential field water...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-071
... deformation of spring. We can convert a deformation to a stress by using the spring constant. As a base stress, we shall now adopt one when the cell was set up initially, then, a stress reduced from it shows a shrinkage of the cell volume, that means a increment of ground pressure (b) Whole appearance. (c...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-061
... to run the single sample shear test and then to perform the single sample sliding test on the same specimen. In the single sample shear test the specimen will only be loaded to shear failure under the last increment of normal stress but failure must not be attained under every preceeding increment. Under...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-173
... can be found in Howarth (1980a, 1980b). The levels of variables used in the experiment were P(2-10mm in increments of 2mm), ~ (30-900 in increments of 150), C (2-10 tonnes in increments of 2 tonnes) and T (0-3mm in increments of O.75mm) . The joint specification for this experi- ment is defined by J...

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