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Keywords: powerhouse
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-587
... encompassing the openings (Kuznetsov,1968; Glushikhin,1991). To assess the strength and stability of rock massif enclosing large-scale underground openings for a powerhouse and transformer room, three types of tests have been performed for specifying a number of design decisions for full-scale structures...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-005
... powerhouse in unstable ground. Pilot tunnel and 15m diameter multiple drift main bore tunnel in squeezing ground. A twin highway tunnel project in sedimentary rock, where instrumentation reduced the initial support cost by 25 percent. The lessons learned from these projects can be used by designers...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-021
... by hydraulic transient, the total level variation range in the tailrace surge chamber of underground power sta- tion will be up to 50-70m. Probably, this will make the surge chamber larger than the main powerhouse cavern. In some pumped storage power stations to be constructed, the conventional tailrace surge...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-004
.... The preexcavation stress measuements in each case are described· together with the specific use of the results in the design process of the underground powerhouses and other components. It is shown that knowledge of the state of stress was critical in making important design decisions, and that site specific stress...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-058
... SUMMARY: Sixty years ago four unlined pressure shafts with water heads up to 150 m were constructed in Norway. Three of them are still in operation. During the last twenty years underground powerhouses and unlined pressure shafts have become the conventional design for hydropower plants...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-121
... the powerhouse of Inguri powerplant) is the best basis for choice of a numerical method and model to be used during the design stage of a new structure. ZUSAMMENFASSUNG Das Bestreben komplexe unterirdische Bauwerke von Wasserkraftwerken in Bereichen von Bergmassiven unter guenstigen ingenieur-geologischen...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-086
... powerhouse founding level core recovery Proceedings of the International Symposium on Weak Rock / Tokyo /21-24 September 1981 Experience with weak rock ERIC E.JORDEN Maritime Testing Ltd., Dartmouth, NS, Canada ADEL M. HANNA Concordia University, Montreal, Canada ABSTRACT The first tidal power station...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-046
... discontinuity Reservoir Characterization stability analysis gallery necessary friction angle concrete structure stress distribution foundation rock mass intake structure Upstream Oil & Gas normal stress powerhouse excavation configuration foundation reservoir geomechanics calculation plane...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-038
.... The saddle shaped topography on the right bank gives an apparently suitable site for the arrangement of the spillway and intake with common forebay. The penstocks connected from the intake to the powerhouse are divided into two portions. The first portion of about 124 m lays on a flat slop of 1:4.3705 from...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-019
... at the foundation level and within the foundation rock which thus influence the loading of the wall. The anisotropy of the foundation rock also has a considerable influence upon the design of a 60 m high gravity dam. Finally a pre-stress anchoring is proven to be necessary for an ~ 21 m high powerhouse founded upon...

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