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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-049
... 5.93681 1.5 11.5 0.3707 3 6.36087 2.5 12.5 0.6741 5 6.93913 hydraulic gradient. The permeability coefficient can be calculated: k is the permeability coefficient in the formula, q is quantity of flow. L is the length of the sample, w is the density of water, g is acceleration of gravity, A is sectional...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-034
... elasticity modulus moisture content reservoir geomechanics strength Siltstone compression test triaxial compressive strength mechanical parameter uniaxial compressive strength rock sample fitting formula Reservoir Characterization Upstream Oil & Gas formula sandstone triaxial compression...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-051
... with groundwater occurrence and existence ofweak structure and crustal stress have been realized gradually to be the important influencing factors for the rock mass strength. Patton confirmed the presence of dilatancy effect from the experiment for the first time in 1966, and got the dilatancy formula and bilinear...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-048
... has been discussed. A new way of fitting the theoretical formula of red clay to eliminate the errors in data processing is presented. Finally, the results of excavation construction of tunnel in Henan verify the rationality of the curve. Consequently, it can be provided reference material...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-069
... Abstract Prediction of landslide surge in reservoir lies in the calculation of sliding velocity. For the present, the application of formula commonly used for predicting sliding velocity in projects has been limited within a certain range in that both the complicated influencing factors...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-128
... of point rmpv p relative to block element and is relative to block element rl likewise. rm rl pv Referring to formula (1), can be expressed as follow: pv [ ] [ ] [ ]( )rlgrlprmgrmpjp vMvMLv rlrm (4) Where, and are the centroid velocities of block element and respectively, and rl gv rm gv rl rm...

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