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 2
... diameter diversion tunnel ,. upper mature surface of small relief . The most character- istic features are reddish - black cliffs and exceedingly pre- cipitous slopes . The relatively open arroyos of the uplands approaching the main ...
... diameter diversion tunnel ,. upper mature surface of small relief . The most character- istic features are reddish - black cliffs and exceedingly pre- cipitous slopes . The relatively open arroyos of the uplands approaching the main ...
Page 3
... diameter and lined with 3 feet of concrete to make a finished section 50 feet in diameter . The combined length of the four tunnels was 15,946 feet and required the removal of approximately 1,500,000 cubic yards of rock . The rock ...
... diameter and lined with 3 feet of concrete to make a finished section 50 feet in diameter . The combined length of the four tunnels was 15,946 feet and required the removal of approximately 1,500,000 cubic yards of rock . The rock ...
Page 4
... diameter of 50 feet , mounted on wheels which traveled on rails laid true to line and grade was used to measure the rocks projecting within the allowable clearances . For the purpose of applying concrete lining , the circular section ...
... diameter of 50 feet , mounted on wheels which traveled on rails laid true to line and grade was used to measure the rocks projecting within the allowable clearances . For the purpose of applying concrete lining , the circular section ...
Page 5
... diameter , were drilled through the lining in the crown , one in the center and one at an angle of 45 ° from the perpendicular on either side . These holes were drilled at intervals of 20 to 26 feet 8 inches along the center line ...
... diameter , were drilled through the lining in the crown , one in the center and one at an angle of 45 ° from the perpendicular on either side . These holes were drilled at intervals of 20 to 26 feet 8 inches along the center line ...
Page 9
... diameter and 8 feet in height . The bottom consisted of two semicircular doors , hinged at the sides and equipped with safety latches to eliminate the possibility of accidental dumping . The loaded buckets weighed approximately 20 tons ...
... diameter and 8 feet in height . The bottom consisted of two semicircular doors , hinged at the sides and equipped with safety latches to eliminate the possibility of accidental dumping . The loaded buckets weighed approximately 20 tons ...
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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