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 93
Page 5
... Drainage holes , spaced 28 feet 8 inches apart , were drilled after grout- ing was completed , to drain water from back of the lining . A total of 122,000 linear feet of grout holes were drilled in the diversion tunnels and more than ...
... Drainage holes , spaced 28 feet 8 inches apart , were drilled after grout- ing was completed , to drain water from back of the lining . A total of 122,000 linear feet of grout holes were drilled in the diversion tunnels and more than ...
Page 9
... drain pipes and gallery forms . Each lift was finished with 26- by 5 % 1⁄2 - inch horizontal keys , spaced 10 feet apart . As soon as the initial set had taken place , the surface was washed with an air and water jet under high pressure ...
... drain pipes and gallery forms . Each lift was finished with 26- by 5 % 1⁄2 - inch horizontal keys , spaced 10 feet apart . As soon as the initial set had taken place , the surface was washed with an air and water jet under high pressure ...
Page 12
... drainage system was provided for the spill- ways , consisting of porous concrete drain tile running ver- tically under the construction joints in the lining , a 21⁄2- by 5 - foot manway extending under the center of the channel floor ...
... drainage system was provided for the spill- ways , consisting of porous concrete drain tile running ver- tically under the construction joints in the lining , a 21⁄2- by 5 - foot manway extending under the center of the channel floor ...
Page 20
... drainage holes , 410,000 linear feet ; pres- sure grouting , 422,000 cubic feet ; earth and rock fill , more than 1,000,000 cubic yards ; gates and valves , 21,670,000 pounds ; plate - steel outlet pipes , 88,000,000 pounds ; pipe and ...
... drainage holes , 410,000 linear feet ; pres- sure grouting , 422,000 cubic feet ; earth and rock fill , more than 1,000,000 cubic yards ; gates and valves , 21,670,000 pounds ; plate - steel outlet pipes , 88,000,000 pounds ; pipe and ...
Page 28
... drainage area of 74,000 square miles is roughly tri- angular in shape and includes heavily timbered , moun- tainous regions in parts of British Columbia , Idaho , Mon- tana , and Washington . Deep snow at high altitudes and numerous ...
... drainage area of 74,000 square miles is roughly tri- angular in shape and includes heavily timbered , moun- tainous regions in parts of British Columbia , Idaho , Mon- tana , and Washington . Deep snow at high altitudes and numerous ...
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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