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Author : Richard L. Johnson
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (359 download)
Download or read book Spillway and Stilling Basin, Lower Monumental Dam, Snake River, Washington written by Richard L. Johnson and published by . This book was released on 1967 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (227 download)
Download or read book Spillway and Stilling Basin Lower Monumental Dam Snake River, Washington: Hydraulic Model Investigation written by and published by . This book was released on 1967 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: A 3-bay-wide section of upstream approach, spillway and stilling basin, and exit channel were reproduced in a 1:42.47-scale hydraulic model. Flow conditions adjacent to the spillway were also observed in a 1:100-scale general model. The model tests indicated that capacity of the spillway would be slightly less than computed because of losses at the abutments. Pressures on the crest and piers were above the range of cavitation for all discharges and methods of spillway operation. The original stilling basin would not contain the hydraulic jump at the spillway design flow of 850,000 cfs. Additional excavation in the exit channel, or erosion of the river bed to elev 392, provided the desired capacity for the stilling basin. Minimum excavation requirements and optimum heights of vertical and sloping end sills were determined. (Modified author abstract).
Author : Richard L. Johnson
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.3/5 (121 download)
Download or read book Spillway for Little Goose Dam, Snake River, Washington written by Richard L. Johnson and published by . This book was released on 1975 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alvin J. Chanda
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.3/5 (121 download)
Download or read book Lower Monumental Dam, Snake River, Washington written by Alvin J. Chanda and published by . This book was released on 1974 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bonneville Hydraulic Laboratory
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (133 download)
Download or read book Spillway and Stilling Basin for Ice Harbor Dam, Snake River, Washington--Hydraulic Model Investigation--Technical Report No.31-1 written by Bonneville Hydraulic Laboratory and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ARMY ENGINEER DIV NORTH PACIFIC BONNEVILLE OREG DIV OF HYDRAULIC LAB.
Publisher :
ISBN 13 :
Total Pages : 79 pages
Book Rating : 4.:/5 (227 download)
Download or read book Spillway and Stilling Basin for Ice Harbor Dam, Snake River, Washington: Hydraulic Model Investigation written by ARMY ENGINEER DIV NORTH PACIFIC BONNEVILLE OREG DIV OF HYDRAULIC LAB. and published by . This book was released on 1965 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: A three-bay-wide section of the approach channel, spillway and stilling basin, and exit area was reproduced in a 1:40-scale model. Pressures along the center line of a typical spillway bay were satisfactory, but cavitation damage adjacent to stop-log slots in the crest piers was indicated. The spillway design discharge of 850 000 cfs was passed over the crest under a head of 55.5 ft; the computed head was 55.4 ft. Spillway capacity at normal pool elev 440.0 was 684 000 cfs. Use of a sharper exponential curve on the crest pier noses improved but did not eliminate low pressures in the stop-log slots and on adjacent crest areas during the project design discharge. The two pier shapes tested had no significant effect on spillway capacity.
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)
Download or read book Spillway for Little Goose Dam, Snake River, Washington written by and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spillway for Little Goose Dam, designed to pass discharges up to 850,000 cfs (2125 cfs per ft of crest), was studied in a 1:42.47-scale, 3-bay, sectional model and a 1:100-scale general model to investigate the performance of various elements of the structure and to determine flow conditions in the tailrace. Maximum velocities that fluctuated between 5 and 12 fps along the north embankment upstream from the spillway were indicated by the spillway model. Tests indicated that the stilling basin of original design was not satisfactory. An acceptable stilling basin was developed in the model, but unusual artesian flow at the site would have required a costly drainage system to protect the basin slab against uplift. Sixteen roller bucket plans were investigated in efforts to eliminate the basin slab and drainage system. A modified Angostura-type bucket, with simpler teeth and shorter apron, was adopted.
Author : Richard L. Johnson
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.3/5 (121 download)
Download or read book Little Goose Dam, Snake River, Washington written by Richard L. Johnson and published by . This book was released on 1975 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)
Download or read book Spillway for Little Goose Dam, Snake River, Washington, Hydraulic Model Investigation written by and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The spillway for Little Goose Dam, designed to pass discharges up to 850,000 cfs (2125 cfs per ft of crest), was studied in a 1:42.47-scale, 3-bay, sectional model and a 1:100-scale general model to investigate the performance of various elements of the structure and to determine flow conditions in the tailrace. Maximum velocities that fluctuated between 5 and 12 fps along the north embankment upstream from the spillway were indicated by the spillway model. Tests indicated that the stilling basin of original design was not satisfactory. An acceptable stilling basin was developed in the model, but unusual artesian flow at the site would have required a costly drainage system to protect the basin slab against uplift. Sixteen roller bucket plans were investigated in efforts to eliminate the basin slab and drainage system. A modified Angostura-type bucket, with simpler teeth and shorter apron, was adopted.
Author : United States. Bonneville Power Administration
Publisher :
ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.:/5 (359 download)
Download or read book Spillway and Stilling Basin for Chief Joseph Dam Columbia River, Washington, Hydraulic Model Investigation written by United States. Bonneville Power Administration and published by . This book was released on 1956 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)
Download or read book Lower Monumental Dam, Snake River, Washington: Hydraulic Model Investigation written by and published by . This book was released on 1974 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lower Monumental Dam is located 41.6 miles above the mouth of the Snake River and 35 miles northeast of Pasco, Washington. Maximum heat on the project is 103 ft; the project design discharge is 850,000 cfs. Excavation requirements, diversion plans, structures locations, and methods of operation were studied in a 1:100-scale model that reproduced 2.4 miles of river channel and pertinent overbank topography. The first-step cofferdam and diversion channel were designed to protect the work area against discharges to 250,000 cfs. The diversion channel and cofferdam cells were revised and the location of a temporary fishway was determined by means of the model study. Tests of the second-step cofferdam, designed for 200,000 cfs, indicated that the height of four upstream cells should be increased 3 ft, the three downstream temporary fishway entrance. (Modified author abstract).
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)
Download or read book Lower Monumental Dam, Snake River, Washington: Hydraulic Model Investigation written by and published by . This book was released on 1974 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lower Monumental Dam is located 41.6 miles above the mouth of the Snake River and 35 miles northeast of Pasco, Washington. Maximum heat on the project is 103 ft; the project design discharge is 850,000 cfs. Excavation requirements, diversion plans, structures locations, and methods of operation were studied in a 1:100-scale model that reproduced 2.4 miles of river channel and pertinent overbank topography. The first-step cofferdam and diversion channel were designed to protect the work area against discharges to 250,000 cfs. The diversion channel and cofferdam cells were revised and the location of a temporary fishway was determined by means of the model study. Tests of the second-step cofferdam, designed for 200,000 cfs, indicated that the height of four upstream cells should be increased 3 ft, the three downstream temporary fishway entrance. (Modified author abstract).
Author : Alvin J. Chanda
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (133 download)
Download or read book Lower Monumental Dam, Snake River, Washington, Hydraulic Model Investigation, Technical Report No.102.1 written by Alvin J. Chanda and published by . This book was released on 1974 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lower Granite Dam Snake River, Washington written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Louis Z. Perkins
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (121 download)
Download or read book Spillway and Stilling Basin, John Day Dam, Columbia River, Oregon and Washington written by Louis Z. Perkins and published by . This book was released on 1974 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. L. Johnson
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (133 download)
Download or read book Spillway and Stilling Basin Lower Monumnetal Dam, Snake River, Washington--Final Report written by R. L. Johnson and published by . This book was released on 1967 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : ARMY ENGINEER DIV NORTH PACIFIC BONNEVILLE OREG DIV OF HYDRAULIC LAB.
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (227 download)
Download or read book Spillway and Stilling Basin for Chief Joseph Dam Columbia River, Washington. Hydraulic Model Investigation written by ARMY ENGINEER DIV NORTH PACIFIC BONNEVILLE OREG DIV OF HYDRAULIC LAB. and published by . This book was released on 1956 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Model investigations of the spillway and stilling basin for Chief Joseph Dam were conducted in a 1:33-scale sectional model to check the adequacy of the original design, verify the computed rating curve for the higher flows, and where possible, to effect revisions in design that would improve hydraulic performance or reduce construction costs.
