Download or read book Determining the Effectiveness of a Navigable Ice Boom written by Roscoe E. Perham and published by . This book was released on 1985 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance of a navigable ice boom was studied by monitoring the progression of the leading edge of the unconsolidated ice cover over a reach of the St. Marys River directly downstream of the boom. Ice and hydraulic data were obtained for four winters from 1975-76 through 1978-79 for the St. Marys River at Sault Ste. Marie, Michigan. The ice cover progression rate was highest in early winter. The unconsolidated ice cover in the channel was estimated to have a thickness of at least 0.91 m and a porosity of 30%. During early winter the ice discharge per vessel passage averaged approximately 5500 cu m. for the four years. Model tests for this site had indicated that without an ice control structure of any type, an ice release of 63,000 cu m per ship passage could be expected; with an ice boom the release would be 12,300 cu m per ship passage. If a 100% effective boom releases no ice at all, then the measured rate indicates that the boom is 92% effective. On-site observations and time-lapse movies provided partial verification. Ice flowed down the ship track and through the navigation opening fairly often. Occasionally ice came over the boom in response to ship movements and natural causes. Keywords: Ice booms; Ice control; Winter navigation.

Download or read book Special Report written by and published by . This book was released on 1995 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Effectiveness and Influences of the Navigation Ice Booms on the St Marys River written by Roscoe E. Perham and published by . This book was released on 1984 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book CRREL Benchnotes written by and published by . This book was released on 1987 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Winter Navigation on the Great Lakes written by James L. Wuebben and published by DIANE Publishing. This book was released on 1995 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Marine Structures Engineering Specialized Applications written by Gregory Tsinker and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine Structures Engineering is designed to help engineers meet the growing worldwide demand for construction of new ports and the modernization of existing ports and terminals. It provides an authoritative guide to the design, construction, rehabilitation, repair, and maintenance of port and harbor structures. Each chapter is self-contained, allowing readers to access specific information. The Author draws on his extensive experience in offshore structure and port engineering to demonstrate evaluation, rehabilitation, repair, and maintenance of in-service marine structures. Also covered in detail are state-of-the-art approaches to: *marine structures in cold regions, with special attention to the role of ice loads, permafrost, and other ice effects *shiplifts, marine railways, shipways, and dry docks *offshore moorings *floating breakwaters *marinas *structures that protect bridge piers from ship impact. Offering practical information on all aspects of marine structures, this book serves as an indispensable resource to all engineers and professionals involved in design, construction, maintenance, and modernization of ports and harbors.

Download or read book Proceedings of the Great Lakes Ice Research Workshop written by Raymond A. Assel and published by . This book was released on 1984 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Technical Report written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1976 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book River Ice Jams written by S. Beltaos and published by Water Resources Publication. This book was released on 1995 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book CRREL Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1990 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book USA CRREL Benchnotes written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1983 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Monthly Catalogue United States Public Documents written by and published by . This book was released on 1984 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Annual Report Great Lakes St Lawrence Seaway Winter Navigation Board written by Great Lakes-St. Lawrence Seaway Winter Navigation Board and published by . This book was released on 1974 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Great Lakes St Lawrence Seaway Navigation Extension written by and published by . This book was released on 1979 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Final Survey Study for Great Lakes and St Lawrence Seaway Navigation Season Extension written by United States. Army. Corps of Engineers. Detroit District and published by . This book was released on 1979 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proceedings written by Guenther E. Frankenstein and published by . This book was released on 1975 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Great Lakes St Lawrence Seaway Navigation Season Extension Program FY1979 written by and published by . This book was released on 1978 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: