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Keywords: powerhouse
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Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0653
... ABSTRACT: Numerous hydropower projects build the underground powerhouses in Southwest China subject to the topography conditions and structure layout. The underground powerhouse is one of the most significant structures that will be permanent in use. Large scale excavation usually poses...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0654
... ABSTRACT: To assess the stability of large-scale underground caverns excavated in a layered rock mass with layers dipping steeply inside the surrounding rock, a high-resolution microseismic monitoring system was carried out in the right underground powerhouse of the Wudongde hydropower...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1011
... ABSTRACT: The Mayo ‘A’ powerhouse was constructed in 1951 and has brought clean efficient power to the central Yukon since this time. The powerhouse at Mayo was constructed adjacent to a 70 m high heterogeneous rock and soil slope with minimal catchment between the slope and the powerhouse...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0448
... ABSTRACT: The stability evaluation of the Jurong underground powerhouse complex, which is a part of a pumped storage power station, is conducted in this paper. The appropriate calculation method has been selected based on the dominant mechanism of rock failure. The failure of rock mass...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-295
... of large-scale hydropower stations are being constructed or to be constructed in this region. These hydropower stations generally have large-scale underground powerhouses and other relevant caverns or tunnels. In recent years, during excavation in hard rocks with high initial stresses, large-angle...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-428
... ABSTRACT In the Baglihar Hydroelectric Project in the Himalayas a powerhouse and transformer house were excavated for Stage I of the project. The Stage I excavations seemed to have influenced the initial stress field and deformability properties of the rocks encountered in Stage II, which has...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-520
...) hydroelectric projects as licensed by the Federal Energy Regulatory Commission (FERC) to satisfy Clean Water Act and Endangered Species Act requirements. The Boundary Project is a doublecurvature concrete dam with underground powerhouse located in northeastern Washington approximately 1.6 km (1 mi) south...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-119
... for determining the favorable layout. 1. INTRODUCTION1.1. Baihetan underground powerhouse Baihetan Hydropower Project is located at middle-stream of Yangtze River in southwest China. The facilities include a double-curvature arch dam with the crown height of 289m and two caverns in which 18 turbines...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-514
... be used as the splitting failure criterion of the surrounding rock masses of underground openings. Reservoir Characterization criterion underground cavern group Rock mechanics Symposium Upstream Oil & Gas powerhouse damage evolution zone reservoir geomechanics sidewall pubugou...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-150
.... A lot of efforts have been devoted to fracture mechanics and damage mechanics method. Reservoir Characterization renewable energy hydraulic fracturing damage mechanics powerhouse Upstream Oil & Gas stability analysis application borehole underground cavern group matrix fracture...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-092
... at trifurcation point to three penstock tunnels and finally reaches a surface powerhouse containing three units. The water head in penstock tunnel will be 1.3 MPa in normal condition of service load. An investigation program is proposed to estimate the possibility of hydraulic jacking in penstock tunnels...
Proceedings Papers

Paper presented at the The 27th U.S. Symposium on Rock Mechanics (USRMS), June 23–25, 1986
Paper Number: ARMA-86-0795
..., constructed on top of the relatively flat Missouri Plateau which is about 213 meters (700 feet) above Lake Francis Case. - An underground powerhouse containing three 93.3 MW reversible pump turbines (each stage) with surge chambers located on the tailrace tunnel. - An intake structure and one vertical shaft...
Proceedings Papers

Paper presented at the The 27th U.S. Symposium on Rock Mechanics (USRMS), June 23–25, 1986
Paper Number: ARMA-86-0968
... from the upper reservoir intake structure to the powerhouse. There is a drainage adit over the bifurcations. The shaft, elbow, and tunnel are 12 m (39.5 ft) excavated diameter. The penstocks are 7 m (23 ft) excavated diameter. The shaft is 212.1 m (696 ft) deep. The elbow has a radius of 27.4 m (90 ft...
Proceedings Papers

Paper presented at the The 26th U.S. Symposium on Rock Mechanics (USRMS), June 26–28, 1985
Paper Number: ARMA-85-0289-1
... (80,000 acre-feet) Stage I and II) constructed on top of the relatively flat Missouri Plateau which is about 213 meters (700 feet) above Lake Francis Case. - A below-ground powerhouse containing three 3930 MW reversible pump turbines with surge chamber located on the tailrace tunnel. -An intake structure...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-1122
... INTRODUCTION ABSTRACT The design and analysis of a circular, domed powerhouse for Pacific Gas and Electric (PG&E) Company's Kerckhoff 2 Project is described. Exploration, geologic stress determinations, mechanical properties, reinforcement and instrumentation are addressed briefly...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-912
... ABSTRACT A typical problem in applied rock mechanics is an accurate prediction of support requirements for deep rock cuts. This paper presents experience with this problem as obtained from excavations for a powerhouse at the Pine Flat Dam near Fresno, California. The project, sponsored...
Proceedings Papers

Paper presented at the The 21st U.S. Symposium on Rock Mechanics (USRMS), May 27–30, 1980
Paper Number: ARMA-80-0729
... powerhouse and connecting transformer vault, two surge chambers, a 1,000-foot (305 m) elevator shaft and a gate shaft. Over 1,000,000 cubic yards (750,000 m s ) of material, primarily granite, will be excavated. The project will connect two existing reservoirs. Water from the upper...
Proceedings Papers

Paper presented at the 19th U.S. Symposium on Rock Mechanics (USRMS), May 1–3, 1978
Paper Number: ARMA-78-0204
... ABSTRACT: The Helms Pumped Storage Project, owned by the Pacific Gas and Electric Company of San Francisco, California, is briefly described. The paper presents results of plane strain linear elastic finite element analyses for the Helms Underground Powerhouse. An initial stress finite element...
Proceedings Papers

Paper presented at the The 16th U.S Symposium on Rock Mechanics (USRMS), September 22–24, 1975
Paper Number: ARMA-75-197
... IMPORTANCE DES MESURES DES PRÉCONTRAINTES DANS LE ROC AVANT LA CONSTRUCTION D'USINE HYDROÉLECTRIQUE SOUTERRAINES ENTWURF EINES UNTERIRDISCHEN KRAFTWERKES UND DIE WICHTIGKEIT VON SPANNUNGSMESSUNGEN VOR DER AUSHÖHLUNG SUMMARY: Powerhouses for pumped storage projects are often constructed...

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