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Author : Alvin J. Chanda
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (121 download)
Download or read book Filling and Emptying System, John Day Lock, Columbia River, Oregon and Washington written by Alvin J. Chanda and published by . This book was released on 1974 with total page 88 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 Filling and Emptying System, John Day Lock Columbia River, Oregon and 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: The John Day lock chamber, culverts, and portions of adjacent approach channels were reproduced in a 1:25-scale model to test the original design and to develop required revisions. Vortexes over the original intake manifolds were eliminated by reversing the left intake. Pressures in the filling culverts were satisfactory. Turbulence inside the lock chamber was reduced by overhanging roofs to baffle jets from adjacent lateral culverts and by sloping the tops of ports. Probable cavitation in 90-degree bends downstream from emptying valves was avoided by moving the valves downstream from bends. The final design lock filled in 11.7 and emptied in 13.8 min (initial head 113 Ft). Typical maximum hawser forces on an eight-barge tow averaged 5.4 tons (filling) and 1.8 tons (emptying); transverse forces were 1.5 tons or less. A maximum instantaneous load of 62.5 tons and an instantaneous change of 22.0 tons were measured on the left filling valve lifting rod. Maximum load on the valve trunnions was 686 tons. (Modified author abstract).
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (18 download)
Download or read book Filling and Emptying System, John Day Lock Columbia River, Oregon and 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: The John Day lock chamber, culverts, and portions of adjacent approach channels were reproduced in a 1:25-scale model to test the original design and to develop required revisions. Vortexes over the original intake manifolds were eliminated by reversing the left intake. Pressures in the filling culverts were satisfactory. Turbulence inside the lock chamber was reduced by overhanging roofs to baffle jets from adjacent lateral culverts and by sloping the tops of ports. Probable cavitation in 90-degree bends downstream from emptying valves was avoided by moving the valves downstream from bends. The final design lock filled in 11.7 and emptied in 13.8 min (initial head 113 Ft). Typical maximum hawser forces on an eight-barge tow averaged 5.4 tons (filling) and 1.8 tons (emptying); transverse forces were 1.5 tons or less. A maximum instantaneous load of 62.5 tons and an instantaneous change of 22.0 tons were measured on the left filling valve lifting rod. Maximum load on the valve trunnions was 686 tons. (Modified author abstract).
Author : Louis Z. Perkins
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (121 download)
Download or read book Intake Manifolds and Emptying Valves for Lower Monumental Lock, Snake River, Washington written by Louis Z. Perkins and published by . This book was released on 1975 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Army. Corps of Engineers. Portland District
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.3/5 (121 download)
Download or read book General Letter Report written by United States. Army. Corps of Engineers. Portland District and published by . This book was released on 1982 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Army. Corps of Engineers. Walla Walla District
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (281 download)
Download or read book John Day Lock and Dam, Columbia River, Oregon and Washington written by United States. Army. Corps of Engineers. Walla Walla District and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Army. Corps of Engineers. Portland District
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (818 download)
Download or read book JOHN DAY LOCK AND DAM - LAKE UMATILLA, COLUMBIA RIVER, OREGON AND WASHINGTON; DESIGN MEMORANDUM NO.12, SUPPLEMENT NO.1, DOMESTIC WATER SYSTEM. written by United States. Army. Corps of Engineers. Portland District and published by . This book was released on 1966 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 882 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1975 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hydraulic Research in the United States written by and published by . This book was released on 1963 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 ( download)
Download or read book National Bureau of Standards Miscellaneous Publication written by and published by . This book was released on 1958 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.0/5 ( download)
Download or read book Current Hydraulic Laboratory Research in the United States written by and published by . This book was released on 1970 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 838 pages
Book Rating : 4.:/5 (41 download)
Download or read book NBS Special Publication written by and published by . This book was released on 1976 with total page 838 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Bureau of Standards
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ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.F/5 ( download)
Download or read book Miscellaneous Publication - National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1934 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.:/5 (31 download)
Download or read book Hydraulic Research in the United States and Canada written by and published by . This book was released on 1972 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pauline H. Gurewitz
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.3/5 (121 download)
Download or read book Hydraulic Research in the United States and Canada, 1974 written by Pauline H. Gurewitz and published by . This book was released on 1976 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (319 download)
Download or read book John Day Lock and Dam, Columbia River, Washington and Oregon written by and published by . This book was released on 1965 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Army. Corps of Engineers. Walla Walla District
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (818 download)
Download or read book John Day Lock and Dam, Columbia River, Oregon and Washington written by United States. Army. Corps of Engineers. Walla Walla District and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
