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 77
Page 4
... pounds , although this often dropped nearly 50 percent at the finish of a 2 - yard charge of concrete . From the guns , 6 - inch dis- charge pipes carried the concrete to the arch forms . Curing of the invert concrete was performed by ...
... pounds , although this often dropped nearly 50 percent at the finish of a 2 - yard charge of concrete . From the guns , 6 - inch dis- charge pipes carried the concrete to the arch forms . Curing of the invert concrete was performed by ...
Page 5
... pounds , prior to the placement of the high- pressure grouting . High - pressure grouting , using pressures from 100 to 500 pounds per square inch , was accomplished through a ring of eight holes , drilled radially into the rock to a ...
... pounds , prior to the placement of the high- pressure grouting . High - pressure grouting , using pressures from 100 to 500 pounds per square inch , was accomplished through a ring of eight holes , drilled radially into the rock to a ...
Page 6
... pounds per square inch pressure . Grouting equipment consisted of a grout mixer , a mechanically operated sump , and two high- pressure mud pumps mounted on a truck for mobility . More than 5,200 linear feet of " B " holes were drilled ...
... pounds per square inch pressure . Grouting equipment consisted of a grout mixer , a mechanically operated sump , and two high- pressure mud pumps mounted on a truck for mobility . More than 5,200 linear feet of " B " holes were drilled ...
Page 7
... Pounds per square inch 1,000 750 500 Drilling was carried to a maximum depth of 150 feet from the main grout gallery in the dam which closely follows the rock foundation . Before concrete was placed in the dam , holes were drilled 5 ...
... Pounds per square inch 1,000 750 500 Drilling was carried to a maximum depth of 150 feet from the main grout gallery in the dam which closely follows the rock foundation . Before concrete was placed in the dam , holes were drilled 5 ...
Page 9
... pounds per cubic foot . W / C = 0.54 by weight . Paste content 19.5 percent . = Poisson's ratio = 0.18 . Slump = 34 inches at forms . Cement yield = 1.01 barrels per cubic yard . Modulus of elasticity = 5,200,000 . Strength ( 28 days ) ...
... pounds per cubic foot . W / C = 0.54 by weight . Paste content 19.5 percent . = Poisson's ratio = 0.18 . Slump = 34 inches at forms . Cement yield = 1.01 barrels per cubic yard . Modulus of elasticity = 5,200,000 . Strength ( 28 days ) ...
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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