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Keywords: extension
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-326
... certain hydraulic gradients. The potential of the proposed model is evaluated in prediction the exten- sion of grouting for a single injection bore hole.The general comparison indicates that this approach is capable of solving injection boundary value problems and predict the extension of each grouting...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-390
... ABSTRACT: Important developments have occurred in Sydney, Australia over the past few years, in preparation for the year 2000 Olympic games. The extension of Sydney International Airport was one of these key projects. Vibro-pile (Aust) Pty Ltd was awarded the multi-million dollar contract for...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-572
.... An extension of the facility is necessary to implement full-scale demonstration tests. Its construction started in 1997 and consists of the construction of a second shaft (1997–1999), and the excavation of a gallery 84 m long to connect the new shaft with the existing facility. The knowledge acquired...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-033
... sonic frequency wave pression torsion extension mesure barre attenuation intrinseque Rock at Great Depth, Maury & Fourmaintraux (eds), © 1989Balkema, Rotterdam. ISBN 90 61919754 Effet de la pression de confinement sur I' attenuation intrinseque des ondes de frequences soniquesMethodologie de...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-077
... Reservoir Characterization structural geology Artificial Intelligence rock bolt support reservoir geomechanics strength metals & mining Upstream Oil & Gas rock bolt horizontal rock stress extension standard case fractured zone diameter roadway vertical rock stress...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-067
... between two or more boreholes in a fracture network Which has been created or re-opened generally by hYdrauHc fracturing. These fractures act lIS a heat eXChanger . Circulation in this exchanger ofwater that is colder than the rock can favour the appearance offresh cracks On rock faces or the extension of...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-009
... deformations in the rock mass behind open pit blasts have been performed using steel bars anchored in holes at different depths below the surface. reservoir geomechanics strength normal load shear force Upstream Oil & Gas calculation direct shear test extension Reservoir Characterization...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-141
... There are at least five mechanisms by which significant amounts of blast-induced overbreak can occur, viz. radial fracturing, internal spalling, fracturing along boundaries of modulus contrast, gas extension of discontinuities and strain wave-induced cracks, and release-of-load fracturing...

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