1-20 of 25
Keywords: rock massif
Close
Sort by
Proceedings Papers

Paper presented at the 12th ISRM Congress, October 16–21, 2011
Paper Number: ISRM-12CONGRESS-2011-044
... for geologists/geotechnical engineers in charge of rock mass assessment, as well as for designers. Upstream Oil & Gas rock massif Reservoir Characterization RMR Engineer characteristic knowledge management strength assessment shear strength rock mass tunnel recommendation rock mass...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-169
... the calotte and bottom excavations. The total length of the work queue under standard conditions was 75 m. tunnel tube hazardous passage excavation building deformation condition 2 construction materials rock massif Mrazovka tunnel concrete structure displacement tunnel chapel deformation...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-057
... of the rock material Δ=26,5 kH/m 3 .The seismicity of the territory is assessed as IX according to MSK intensity scale. In the bounds of the site there are tectonic disturbances along which the current displacements (several mm/year) are recorded. The rock massif is characterised by a high level of natural...
Proceedings Papers

Paper presented at the 10th ISRM Congress, September 8–12, 2003
Paper Number: ISRM-10CONGRESS-2003-112
... thickness was about 1.1 m). The rock massif in Karvina part, especially in saddle strata, consists mostly of solid siltstones, sandstones and conglomerates with compression strength between 70 and 90 MPa. Compression strength of coal is usually between 20–25 MPa, rarely even 35 MPa. Mining depth...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-154
... ABSTRACT: The knowledge of filtration ability (gas permeability) of rocks in the conditions of triaxial state of stress simulating the conditions in massif is of great importance for all works relating to rock massif as an environment in which filtration of liquids or gases takes place...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-137
... cavern with regard to the effect of the brine penetrated in the rock massif. RESUME ; L'e~ude dU'fluag~ du sel gemrne en s~lution aqueuse sature de NaCI a ete effectuee, L'introduction des certains composes dans la solution peut diminuer notablement les proprietes rheologiques du sel. L'etat de...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-218
... structural geology rock massif longwall face metals & mining Thickness Coal Basin Reservoir Characterization concentration seam Redistribution conclusion excavation data mining colliery Czech part OKR karvina part tectonic structure pillar rock burst stress concentration...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-316
... and massifs were determined by special underground workings and boreholes in the cases of tunnel explosions, and by deep boreholes in the cases of shaft explosions. The spatial distribution of rock properties was determined with seismic methods. Examination of the fracturing of rock massif affected...
Proceedings Papers

Paper presented at the 9th ISRM Congress, August 25–28, 1999
Paper Number: ISRM-9CONGRESS-1999-013
... gas storage rock massif gallery MPa cross cut borehole investigation natural gas storage cavern-type underground natural gas storage underground natural gas storage Upstream Oil & Gas geotechnical investigation laboratory stopper shaft Fault Zone storage construction...
Proceedings Papers

Paper presented at the 8th ISRM Congress, September 25–29, 1995
Paper Number: ISRM-8CONGRESS-1995-011
... technologies and equipment in exploration of deposits in the tectonically stressed massifs differing in high natural strength together with the inclination to the brittle destruction calls the necessity in geomechanical justifications of the location of both the workings in rocks massifs and the equipment...
Proceedings Papers

Paper presented at the 8th ISRM Congress, September 25–29, 1995
Paper Number: ISRM-8CONGRESS-1995-106
... ABSTRACT: The paper gives a short description of mathematical modeling the interaction of tunnel linings with the surrounding rock massif and analytical methods of underground structures design upon static loads and seismic earthquake effects, based on solutions of corresponding elasticity...
Proceedings Papers

Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-121
... Upstream Oil & Gas borehole propagation velocity wave propagation velocity measurement data rock massif porosity stress release exploration fissuration Reservoir Characterization discontinuous rock mass property mechanical property rock mass p-wave velocity seismo-acoustic...
Proceedings Papers

Paper presented at the 7th ISRM Congress, September 16–20, 1991
Paper Number: ISRM-7CONGRESS-1991-253
... ABSTRACT: The existence of a tunnel running parallel to and very close to a planned one constitutes an excellent working platform for carrying out reconnaissance work on the rock massif from the "inside". As regards the Somport, tunnel, four main aspects were studied: the percolation...
Proceedings Papers

Paper presented at the 6th ISRM Congress, August 30–September 3, 1987
Paper Number: ISRM-6CONGRESS-1987-221
... ABSTRACT: Possibilities for increasing stability of underground constructions by creating three-dimensional state of stress in the surrounding rock massif have been estimated on the basis of a new energetic criterion. By analyzing boundary variations of the stressed state of rocks in proximity...
Proceedings Papers

Paper presented at the 5th ISRM Congress, April 10–15, 1983
Paper Number: ISRM-5CONGRESS-1983-156
... SYNOPSIS: This paper deals with certain methods of lining design for underground workings, based on investigation of the joint deformation of the lining and the surrounding rock massif. Discussed a method for designing a system of anchors around the working in a linearly deformable medium...
Proceedings Papers

Paper presented at the 4th ISRM Congress, September 2–8, 1979
Paper Number: ISRM-4CONGRESS-1979-175
... into the rock massif, owing to the very big concentration of 10ads.In order to utilize also the bearing capacity on the skin of the pile in the rock massif, special tests were performed during the engineering- geological research. The purpose of these tests was to determine the adhesion between the rock massif...
Proceedings Papers

Paper presented at the 2nd ISRM Congress, September 21–26, 1970
Paper Number: ISRM-2CONGRESS-1970-010
... Summary Briefly are examined the contemporary methods for defining the strength parameters of the rocks in the natural rock massif. The attention is directed chiefly over the applicability and reliability of the proposed from Hansagi method, which recognize the fundamental species...
Proceedings Papers

Paper presented at the 2nd ISRM Congress, September 21–26, 1970
Paper Number: ISRM-2CONGRESS-1970-019
... of these methods consists in determination experimentally the velocities of longitudinal V l and transverse V t waves. The elastic properties of isotropic medium are characterised by two elastic parameters. Hence, all elastic moduli of isotropic rock massifs and Poisson's ratio may be calculated from V l...
Proceedings Papers

Paper presented at the 2nd ISRM Congress, September 21–26, 1970
Paper Number: ISRM-2CONGRESS-1970-072
... engineering works. However, in certain cases it may give rise to some objections because of the following reasons: lack of physical justification for the use of the equations of state; rock massifs dealt with in the engineering works show such a high degree of cracking that the assumption of a discontinuity...

Product(s) added to cart

Close Modal