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
... 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 , taking a total of 6,664 sacks of cement . A total of 1,418 feet of holes ...
... 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 , taking a total of 6,664 sacks of cement . A total of 1,418 feet of holes ...
Page 15
... mixers which discharged directly into the charging hopper of the concrete pump . All of the horizontal tunnels were lined using the concrete pump , and the lower half of the inclined tunnels was lined by the same means . In most cases ...
... mixers which discharged directly into the charging hopper of the concrete pump . All of the horizontal tunnels were lined using the concrete pump , and the lower half of the inclined tunnels was lined by the same means . In most cases ...
Page 16
... mixers , and cooling pipes were placed on top of the concrete in a manner similar to that used in the dam . Cooling and grouting of the plugs was performed to effect a tight seal in the tunnels . PLATE - STEEL OUTLET PIPES The ...
... mixers , and cooling pipes were placed on top of the concrete in a manner similar to that used in the dam . Cooling and grouting of the plugs was performed to effect a tight seal in the tunnels . PLATE - STEEL OUTLET PIPES The ...
Page 19
... mixers and hopper buckets . A total of 17,000 cubic yards of concrete was placed in both houses . The downstream tunnel plug outlet works are located in the inner diversion tunnels , several hundred feet upstream from the outlet portals ...
... mixers and hopper buckets . A total of 17,000 cubic yards of concrete was placed in both houses . The downstream tunnel plug outlet works are located in the inner diversion tunnels , several hundred feet upstream from the outlet portals ...
Page 23
... mixers . All materials entering the mixers were weighed in automatic remote - control discharge batchers , each with a capacity of about 5,000 pounds. BOULDER DAM 23.
... mixers . All materials entering the mixers were weighed in automatic remote - control discharge batchers , each with a capacity of about 5,000 pounds. BOULDER DAM 23.
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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