Author:
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ISBN:
Category :
Languages : en
Pages : 55
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Civil works structures must be continually evaluated for structural safety, stability and operational adequacy. Proper inspection and evaluation of them to identify deficiencies will usually require some type of cleaning of the structure. A wide variety of underwater cleaning tools and methodologies have been developed and are currently in use in the offshore oil industry and by the US Navy. These tools range from hand-held scrapers to powered tools and high- pressure waterjets. Several tools have been specifically designed for removal of underwater debris. These tools include jet eductors, dredges, and air lifts. This report summaries underwater cleaning procedures and devices that are appropriate for use on civil works structures. The application, advantages, disadvantages, and operation of each type of equipment are discussed, along with recommendations for those tools best suited for specific conditions.
Author: Carmela A. Keeney
Publisher:
ISBN:
Category : Hydraulic structures
Languages : en
Pages : 0
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Author: Carmela A. Keeney
Publisher:
ISBN:
Category : Cleaning machinery and appliances
Languages : en
Pages : 58
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 556
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Author: Ravindra K. Dhir
Publisher: Thomas Telford
ISBN: 9780727728258
Category : Technology & Engineering
Languages : en
Pages : 512
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Book Description
Concrete will be the key material for Mankind to create the built environment of the next millennium. The requirements of this infrastructure will be both demanding, in terms of technical performance and economy, and yet be greatly varied, from architectural masterpieces to the simplest of utilities.Specialist techniques and materials for concrete construction forms the Proceedings of the three day international conference held during the Congress, creating with concrete, 6-10 September 1999, organised by the Concrete technology unit, University of Dundee.
Author: U.S. Army Engineer Waterways Experiment Station
Publisher:
ISBN:
Category : Coastal engineering
Languages : en
Pages : 408
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Author: Ronald L. Purvis
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 66
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This synthesis on underwater bridge maintenance and repair will be of special interest to bridge maintenance engineers and others involved with repair of bridge elements located below the waterline and in the splash zone. Procedures for correctly assessing the problem and engineering the repair within the constraints of individual situations, including bridge scour considerations, are described. Protection, maintenance, and repair of concrete, masonry, steel, and timber bridge foundation elements are also addressed. This synthesis updates the maintenance and repair portion of NCHRP Synthesis 88: Underwater Inspection and Repair of Bridge Substructures. This report of the Transportation Research Board identifies and describes current practices and innovative repair techniques for problems associated with settlement, scour, and deterioration of underwater bridge elements. The synthesis considers various types of protection, maintenance, and repair work on bridge substructures, both underwater and in the splash zone, and includes techniques, and their effectiveness. Current research in the topic area and critical research needs are also identified. A limited bibliography is also provided.
Author:
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ISBN:
Category : Science
Languages : en
Pages : 1130
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 269
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1420
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