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Keywords: shaft
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-553
... cross-section special engineering metamorphic slate geological requirement shaft tunnel PinLin Tunnel infrastructure project Republic SPECIAL ENGINEERING AND GEOLOGICAL REQUIREMENTS FOR INFRASTRUCTURE PROJECTS IN TAIWAN, REPUBLIC OF CHINA Manfred Kuehne1 and Arturo Schatzmann2 ABSTRACT...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-373
... was performed involving a full-scale driven pile. The pile was instrumented with earth pressure cells and piezometers on the shaft, as well as a pressure cell at the pile toe. The pile was static load tested at different points in time during a period of almost two years. During the whole time period...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-592
... performed during the phase of underground investigations in order to prove its suitability as a possible site for a repository for radioactive waste. Parallel to the geological exploration in Gorleben geotechnical investigations are executed in the shafts and in the investigation area of the exploratory...
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, September 10–12, 1990
Paper Number: ISRM-IS-1990-007
...Static and Dynamic Considerations in Rock Engineering, Brummer (ed.) © 1990 Balkema, Rotterdam. ISBN 90 6191153 2 Design for the rehabilitation of a concrete lined shaft damaged by plastic deformation 1.Burke & 1.y.James Western Areas Gold Mining Company Limited., South Africa ABSTRACT: Western...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-020
... ABSTRACT: Early shaft reef extraction would appear to provide a key to successful protection of vertical shafts and major service excavations in mines at great depth. This concept has been adopted at Western Deep Levels South Mine in preference to a more traditional shaft pillar approach...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-174
... ABSTRACT: The Underground Research Laboratory (URL) situated in southeastern Manitoba is a major research facility in the Canadian nuclear waste management program undertaken by Atomic Energy of Canada Ltd. The development of the shaft at the URL has been associated with wall failures and...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-088
... rockbursts and (f) Hoistino problem. 1 INTRODUCTION Kolar Gold Mines are located in SOuth east corner of Karnata~a in India and spread over a strike length of about 8 kms. Shafts have Sunk where cumulative depth is a Stagqerinq 64 km. Similarly, tunn- els driven amount to more than 1320 km. and other...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-125
... HMAX = 84 MPa). 2 HISTORY OF THE ANSIL DEPOSIT The Ansil copper deposit was discovered in 1981. A 1500 meter deep circular production shaft was sunk in 1984 and drill drifts were driven on the 7, 8 and 9 levels for final orebody delineation. The circular concrete lined production shaft is 6.71...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-092
... Upstream Oil & Gas situ stress domain excavation Reservoir Characterization orientation proceedings convergence result hydraulic fracturing microcrack shaft grey granite granite URL reservoir geomechanics atomic energy fracture zone 2 underground research laboratory...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-018
...Rock Mechanics snd Power Plsnts, Romans fed) C 19BBBs/kems, Rotterdsm.ISBN9061918278 Problems and treatment during the surge shafts excavation in granitic rock of Aldeadavila hydro-power plant extension I.R.De Celis, A.Navarro & IFora IBERDUERO SA, Bilbao, Spain ABSTRACT: The construction of hydro...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-028
... reservoir. Consequently, the upper scheme has the fQI lowing elements: - a 28 m high derivation dam (gravity ty- pe) - a 4,8 km long headrace tunnel. - a 6 m diameter surge shaft and a 2,6 m diameter and 132 m deep power shaft. - an underground power plant with an 1,0 km long access tunnel. - a 4,5 km long...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-035
... construction in Portugal for the last years. The first co~ trolled filling of the reservoir has taken place this very year. A 69 m high gravity dam and an underground power plant, where two reversible-type 79MW peak load units are installed in two twin shafts, are the most important features of this scheme...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-046
... ABSTRACT: A comprehensive overcore testing program is underway at the Canadian Underground Research Laboratory (URL). In the initial phase, 42 USBM overcore tests were conducted in vertical and near vertical drill holes from the shaft bottom at four depths during shaft sinking, and from the...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-061
... ABSTRACT: The paper describes investigations for a 965-metre head unlined pressure shaft at the Nyset-Steggje Hydropower Project in Western Norway. Site investigations have included in-situ rock stress measurements and hydraulic fracturing tests to verify the safe siting of the shaft. RESUME...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-067
... ABSTRACT: An innovative approach for the determination of the in situ stress field during the construction of a shaft and a tunnel is evaluated. The stress changes that resulted during face advance were recorded by stiff inclusions measuring uniaxial stress changes. From these stress change...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 31–September 3, 1986
Paper Number: ISRM-IS-1986-062
... ABSTRACT: This article describes a simplified method of determining the in situ stress by hydraulic fracturing to evaluate the safety of pressurized tunnels and shafts. Test data from four hydropower plants in South Norway are presented, the interpretation of the stresses discussed and the...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-057
... SUMMARY: The paper describes pre-investigations for a 1000-metre head unlined pressure shaft at the Nyset-Steggje Hydro-Power Project in Western Norway. The field investigations performed have included a thorough engineering geological mapping of rock types, joint patterns and zones of...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-072
... SUMMARY The article describes geologic conditions, investigations performed and design criteria for unlined high pressure tunnels and air cushion chambers. The economic advantages of unlined pressure tunnels for the upper portion of the head instead of steel lined shafts all the way to the top...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-067
... SUMMARY: Nowadays the lining of shafts in coal mining is built in reinforced concrete for water bearing non-stable stratum. For great depth often a steel/reinforced concrete composite construction method is used. The non-rock connected shaft lining is predominantly loaded by the hydrostatic...

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