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 3
... side of the gorge at the dam site . The State of Nevada constructed a new highway be- tween Las Vegas and Boulder City , a distance of 23 miles . This highway was extended by the Government to the rim of Black Canyon under a contract ...
... side of the gorge at the dam site . The State of Nevada constructed a new highway be- tween Las Vegas and Boulder City , a distance of 23 miles . This highway was extended by the Government to the rim of Black Canyon under a contract ...
Page 4
... side , the side wall portions of 88 ° each , to be placed second ; and above the side wall sections the roof or arch section of 110 ° , to be placed last . Specifications required an average lining thickness of 36 inches with a 24 ...
... side , the side wall portions of 88 ° each , to be placed second ; and above the side wall sections the roof or arch section of 110 ° , to be placed last . Specifications required an average lining thickness of 36 inches with a 24 ...
Page 5
... side by rock fills , were constructed at each portal to keep out water . Wooden trestles with ramps were provided over these bar- riers to reach the tunnel floors . Low - pressure grouting was performed in the arch section . of the ...
... side by rock fills , were constructed at each portal to keep out water . Wooden trestles with ramps were provided over these bar- riers to reach the tunnel floors . Low - pressure grouting was performed in the arch section . of the ...
Page 6
... side of the canyon . The downstream cofferdam was a rolled earth - fill struc- ture , 66 feet high , 350 feet long , and 550 feet thick at the base . It contained about 230,000 cubic yards of earth and 63,000 cubic yards of rock . This ...
... side of the canyon . The downstream cofferdam was a rolled earth - fill struc- ture , 66 feet high , 350 feet long , and 550 feet thick at the base . It contained about 230,000 cubic yards of earth and 63,000 cubic yards of rock . This ...
Page 9
... side , downstream face , January 31 , 1934 . brushing or chipping required to furnish satisfactory bond with the new concrete . Curing was effected on the sides of the blocks by sprinkling from perforated pipes attached to the forms ...
... side , downstream face , January 31 , 1934 . brushing or chipping required to furnish satisfactory bond with the new concrete . Curing was effected on the sides of the blocks by sprinkling from perforated pipes attached to the forms ...
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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