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Keywords: basalt
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-464
...ESTIMATING THE OCCURRENCE OF ROCKFALLS IN COLUMNAR BASALT Peter G. Dahlhaus1 and Anthony S. Miner2 ABSTRACT The occurrence of rockfalls from a columnar basalt cliff at the Lal Lal Falls reserve, near Ballarat, Victoria has been estimated using erosion rates and historical data. Erosion rates were...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-636
... Reservoir to Muela Hydroelectric Power Station was constructed in the Drakensberg basalts. Slaking occurred in these basalts during tunnelling operations and was due to the presence of secondary minerals which undergo swelling, notably montmorillonite. Montmorillonite developed as a result of the deuteric...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-004
... laboratory test basalt linear cutting test Reservoir Characterization cutter assessment nth test rock mass penetration Upstream Oil & Gas transfer tunnel lesotho highland water project prediction model reservoir geomechanics total hardness Delivery Tunnel DRI value...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-033
... Reservoir Characterization renewable energy fran reservoir geomechanics classification Rock mechanics hydroelectric project Engineering Geology Upstream Oil & Gas Geologia rrethod nodel Engenharia rock mass foundation São Paulo Brazil Wellbore Design strength basalt situ...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-043
... differently bro- ken basalts, porphyrites, andesites, tuffites, tuff breocias, e.t.c. Jointed and scoriaoeaus basalts are distinguished with high water dis- charge which in some parts of the tunnelling sites was greater than 1000 cubic meters per hour. The rock 1s generally weathered, there are lots of clay...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-069
... ABSTRACT: Hydraulic fracturing tests designed to characterize the state of in situ stress were conducted in four deep boreholes. These tests are part of a site investigation program to assess the feasibility of constructing a nuclear waste repository in a basalt formation underneath the...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-124
... verwendet werden muessen. Sie rei- chen vom kompakten Basalt mit hoher Festigkait. and hohem Verformungsmodul bis zu den vulkanischen Tuffen and sogar bis zur Flugasche, wobei fuer die letzte Formationen der Begriff Gestein kaum noch ver -wendet werden kan. Die Ausfuehrung von Untertagebauten in Zonen...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-025
... velocity Vibration Aspect exploration Reservoir Characterization particle velocity basalt bench height rock mass frequency dam foundation Foundation Level smooth surface sandstone contour excavation detrimental effect foundation propagation vibration final slope VIBRATIONS ASPECTS ON...

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