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 65
Page 5
... square inch , was accomplished through a ring of eight holes , drilled radially into the rock to a depth of 24 feet , holes in successive rings being staggered . Drainage holes , spaced 28 feet 8 inches apart , were drilled after grout ...
... square inch , was accomplished through a ring of eight holes , drilled radially into the rock to a depth of 24 feet , holes in successive rings being staggered . Drainage holes , spaced 28 feet 8 inches apart , were drilled after grout ...
Page 6
... inch concrete paving , laid on a 3 - foot thickness of rock blanket ; and the downstream slope of 4 : 1 was covered ... square inch pressure . Grouting equipment consisted of a grout mixer , a mechanically operated sump , and two high ...
... inch concrete paving , laid on a 3 - foot thickness of rock blanket ; and the downstream slope of 4 : 1 was covered ... square inch pressure . Grouting equipment consisted of a grout mixer , a mechanically operated sump , and two high ...
Page 7
... foot spacing to a maximum depth of 100 feet and were inclined downstream . Grout was placed with the portable , truck - mounted equipment , under pressures vary- ing from 500 to 750 pounds per square inch . A total of 7,325 linear feet ...
... foot spacing to a maximum depth of 100 feet and were inclined downstream . Grout was placed with the portable , truck - mounted equipment , under pressures vary- ing from 500 to 750 pounds per square inch . A total of 7,325 linear feet ...
Page 8
... square foot at the upstream edge of the base . However , the cantilever stresses at the downstream face of the dam and the maximum arch stresses in the horizontal elements were well below 30 tons per square foot . Resultants were at ...
... square foot at the upstream edge of the base . However , the cantilever stresses at the downstream face of the dam and the maximum arch stresses in the horizontal elements were well below 30 tons per square foot . Resultants were at ...
Page 9
... inches at forms . Cement yield = 1.01 barrels per cubic yard . Modulus of elasticity = 5,200,000 . Strength ( 28 days ) in 36 × 72 - inch cylinders = 3,100 pounds per square inch . The dam was divided into columns or blocks by radial ...
... inches at forms . Cement yield = 1.01 barrels per cubic yard . Modulus of elasticity = 5,200,000 . Strength ( 28 days ) in 36 × 72 - inch cylinders = 3,100 pounds per square inch . The dam was divided into columns or blocks by radial ...
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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