Dams and Control Works, Volume 2U.S. Government Printing Office, 1938 - Dams A description of representative storage and diversion dams and high-pressure reservoir outlet works constructed by the Bureau of Reclamtion. |
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Results 1-5 of 76
Page 1
... upper part of the main valley a reconnaissance was conducted on the river below the mouth of the Virgin River . The preliminary studies resulted in the concentration of work on the better damsites in Boulder and Black canyons in 1918 ...
... upper part of the main valley a reconnaissance was conducted on the river below the mouth of the Virgin River . The preliminary studies resulted in the concentration of work on the better damsites in Boulder and Black canyons in 1918 ...
Page 2
... upper mature surface of small relief . The most character- istic features are reddish - black cliffs and exceedingly pre- cipitous slopes . The relatively open arroyos of the uplands approaching the main canyon become narrow ravines or ...
... upper mature surface of small relief . The most character- istic features are reddish - black cliffs and exceedingly pre- cipitous slopes . The relatively open arroyos of the uplands approaching the main canyon become narrow ravines or ...
Page 11
... upper end of the channel . Subsequent studies and model tests indicated that this type of structure was not suited for the conditions encountered at the dam site . The final result of the design studies and model tests , indicated that ...
... upper end of the channel . Subsequent studies and model tests indicated that this type of structure was not suited for the conditions encountered at the dam site . The final result of the design studies and model tests , indicated that ...
Page 12
... upper end to a depth of 128 feet at a point opposite the lower end of the crest . From the downstream end of the ... upper gates vary in thickness from 6 to 2 feet , except for the sections immediately above the lower gate and ...
... upper end to a depth of 128 feet at a point opposite the lower end of the crest . From the downstream end of the ... upper gates vary in thickness from 6 to 2 feet , except for the sections immediately above the lower gate and ...
Page 14
... upper installations , supported by heavy annular rings and cross ribs . A liner plate of 4 - inch thickness is added on the inside of the lower gates to offer an unobstructed pas- sage to water flowing through the tower from the upper ...
... upper installations , supported by heavy annular rings and cross ribs . A liner plate of 4 - inch thickness is added on the inside of the lower gates to offer an unobstructed pas- sage to water flowing through the tower from the upper ...
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Common terms and phrases
acre-feet aggregate All-American Canal arch Arrowrock Dam basin borrow pit Boulder Dam bronze BUREAU OF RECLAMATION buttress cableway canal cantilever canyon walls cement centers channel cofferdam construction contraction joints cooling cost crest cubic yards cut-off wall cylinder deflections designed diameter discharge diversion tunnel downstream face drain drainage drilled dumped earth elevation embankment emergency gates Engineering excavation feet long foundation gallery gate chamber Grand Coulee Grand Coulee Dam gravel gravity grout grout holes hoist horizontal hydraulic Imperial Dam Installing and painting irrigation left abutment located lower material maximum miles mixer needle valves operation outlet Owyhee Dam penstock pipe placed pounds per square pressure pump radial reservoir reservoir water right abutment riprap river rock fill roller sand second-feet shaft side slope sluice sluiceway spillway square inch steel storage stresses structure temperature tests thickness tion trashrack trial load upstream face vertical water surface