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Keywords: penstock
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Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-006
... particle velocity penstock overbreak Reservoir Characterization peak particle velocity stability concrete dam Upstream Oil & Gas diameter investigation drainage gallery construction Power House hydroelectric project excavation Drilling vibration experimental blast bansagar...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 12–16, 1988
Paper Number: ISRM-IS-1988-051
... & Gas annular pressure drilling bath county porewater pressure penstock steel liner migration tunnel tunnel leakage johnston city Rock Mechanics and Power Plants, Romana (ed.) ~ 1988 Salkems, Rotterdam. ISBN 90 6191 8278 Bath county pumped storage project tunnel system - Evaluation...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-004
... of its main components between the inlet and discharge reservoirs (such as headrace tunnel, pressure tunnel, penstock, surge chamber, transformer and machine halls, tailrace tunnel). The major objectives of the design process of these underground components are to establish for each of them: the most...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-087
... SUMMARY: In a project of Shimogo pumped storage hydro power station of 1,000 MW, a tunnel boring machine was employed to excavate the inclined pressure tunnel of the penstock. The tunnel has been completed with 5,8 m diameter and at 37° inclination angle. This performance was the first success...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-054
... surfaces. Penstock bifurcations are located deep in the rock mass to simplify design and achieve economy. Steel-lined penstocks are designed accounting for rock assistance where the rock is sound. Drainage tunnels are provided to control external pressures on the penstocks. Tunnel and shaft excavation...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-113
... penstock underground cavern rock mass São Paulo Reservoir Characterization Downstream Oil & Gas hidroservice characteristic excavation tunnel Caraguatatuba stress condition execution water intake GEOMECHANICAL STUDIES OF THE CARAGUATATUBA PUMPED STORAGE CAVERNS Geomechanische...

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