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 6
... downstream slope of 4 : 1 was covered by a heavy rock fill . The paving consisted of a 6 - inch concrete slab , reinforced with - inch round bars on 15 - inch centers , spaced both ways . The reinforcement was continuous through the con ...
... downstream slope of 4 : 1 was covered by a heavy rock fill . The paving consisted of a 6 - inch concrete slab , reinforced with - inch round bars on 15 - inch centers , spaced both ways . The reinforcement was continuous through the con ...
Page 8
... downstream faces , showed that owing to the great height of the structure , such an ideal was impossible . When the design of the dam was selected , detailed analyses of stress magnitude and distribution were made by the trial- load ...
... downstream faces , showed that owing to the great height of the structure , such an ideal was impossible . When the design of the dam was selected , detailed analyses of stress magnitude and distribution were made by the trial- load ...
Page 9
... downstream face at the base of the dam to 50 by 60 feet at the upstream face . Joints were interlocked by keys , formed to provide maximum cross - sectional area for resistance to shear after grouting . The rate of placing concrete was ...
... downstream face at the base of the dam to 50 by 60 feet at the upstream face . Joints were interlocked by keys , formed to provide maximum cross - sectional area for resistance to shear after grouting . The rate of placing concrete was ...
Page 10
... downstream faces of the dam and across the circumferential joints at each junction with a radial joint . Horizontal grout stops were placed in every joint at 50 - foot vertical intervals . Galleries were provided in the dam at the top ...
... downstream faces of the dam and across the circumferential joints at each junction with a radial joint . Horizontal grout stops were placed in every joint at 50 - foot vertical intervals . Galleries were provided in the dam at the top ...
Page 14
... downstream intake towers a header tunnel was driven through a vertical curve to elevation 820 , then downstream approximately parallel with and 170 feet above the diversion tunnels , to the location of the canyon- wall outlet works ...
... downstream intake towers a header tunnel was driven through a vertical curve to elevation 820 , then downstream approximately parallel with and 170 feet above the diversion tunnels , to the location of the canyon- wall outlet works ...
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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