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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Page 2
Boulder Dam excavation , December 31 , 1932 . Pouring concrete in 50 - foot diameter diversion tunnel ,. upper mature surface of small relief . The most character- istic features are reddish - black cliffs and exceedingly pre- cipitous ...
Boulder Dam excavation , December 31 , 1932 . Pouring concrete in 50 - foot diameter diversion tunnel ,. upper mature surface of small relief . The most character- istic features are reddish - black cliffs and exceedingly pre- cipitous ...
Page 3
... excavated 56 feet in diameter and lined with 3 feet of concrete to make a finished section 50 feet in diameter . The combined length of the four tunnels was 15,946 feet and required the removal of approximately 1,500,000 cubic yards of ...
... excavated 56 feet in diameter and lined with 3 feet of concrete to make a finished section 50 feet in diameter . The combined length of the four tunnels was 15,946 feet and required the removal of approximately 1,500,000 cubic yards of ...
Page 5
... diversion of the river through the two Arizona tunnels on November 13 , 1932 , less than 2 years after excavation of the tunnels was commenced in June 1931 and almost a year in advance of the date contemplated at the time. BOULDER DAM 5.
... diversion of the river through the two Arizona tunnels on November 13 , 1932 , less than 2 years after excavation of the tunnels was commenced in June 1931 and almost a year in advance of the date contemplated at the time. BOULDER DAM 5.
Page 6
... excavation line . Crawler - mounted electric shovels , loading directly into trucks , were used in excavating the foundation for the dam and exposing the bedrock in the area between the limits of the cofferdams . This involved more than ...
... excavation line . Crawler - mounted electric shovels , loading directly into trucks , were used in excavating the foundation for the dam and exposing the bedrock in the area between the limits of the cofferdams . This involved more than ...
Page 14
... Excavation for the intake towers involving 361,000 cubic yards of rock was performed by high - scaling methods . The ... excavated 41 feet in diameter and lined with a 24 - inch thickness of concrete . To facilitate the installation of ...
... Excavation for the intake towers involving 361,000 cubic yards of rock was performed by high - scaling methods . The ... excavated 41 feet in diameter and lined with a 24 - inch thickness of concrete . To facilitate the installation of ...
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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