Placement of Concrete in the Ocean
Author: George W Evans
Publisher:
Published: 1976
Total Pages: 82
ISBN-13:
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Proposed Method for Placing Freshly Mixed Concrete in the Deep Ocean
Author: R. D. Rail
Publisher:
Published: 1979
Total Pages: 54
ISBN-13:
DOWNLOAD EBOOKPotential applications for placing concrete in the deep ocean are basically in three areas: in situ construction of seafloor structures, foundations and massive anchors for fixed ocean facilities, in situ hardening of objects on the seafloor, and containment of hazardous substances for environmental protection. This report presents a method for in situ placememt of fresh concrete on the seafloor in which concrete is mixed on a surface platform and transported to the seafloor via a pipeline suspended from the platform. The proposed development integrates existing technologies of the concrete, oilwell, and marine industries and extends them to new applications in a new environment, and would require a modest development effort as well as simulated tests to verify engineering assumptions based on extrapolation of existing knowledge to the new conditions. The proposed method would greatly extend the Navy's capability to place concrete in the deep ocean for the above applications which would require concrete to be placed underwater in quantities of hundreds and thousands of cubic yards in water depths of many thousands of feet. (Author).
Concrete in the Marine Environment
Author: P.K. Mehta
Publisher: CRC Press
Published: 1991-12-03
Total Pages: 230
ISBN-13: 1851666222
DOWNLOAD EBOOKConcrete has clearly emerged as the most economical and durable material for the building of the vast majority of marine structures. Reinforced concrete too has overcome the technological problems making it a suitable material for the construction of advanced marine structures such as offshore drilling platforms, superspan bridges and undersea tunnels. As the world becomes increasingly ocean-oriented for energy and other resources it is predicted that construction activities during the 21st century will be dominated by concrete sea structures. The performance of concrete in the marine environment is presented here in a logical manner giving state-of-the-art reviews of the nature of the marine environment, the composition and properties of concrete, history of concrete performance in seawater, major causes of deterioration of concrete in the marine environment, selection of materials and mix proportioning for durable concrete, recommended concrete practice and repair of deteriorated marine structures. It is of value to any design or construction engineer responsible for marine structures.
Subaqueous Concrete Placement
Author: Robert J. Odello
Publisher:
Published: 1966
Total Pages: 33
ISBN-13:
DOWNLOAD EBOOKThis paper presents the results of a literature search to explore the adaptability for deep ocean use of present subaqueous concrete placement methods. The advantages and disadvantages of each of the following methods are discussed: tremie, bottom-dump bucket, prepacked, Fabriform, precast, and pumped concrete. The logical manner of comparing methods is by prototypic construction in the deep ocean. (Author).
Underwater Concreting and Repair
Author: Andrew McLeish
Publisher: Hodder Education
Published: 1994-09-27
Total Pages: 168
ISBN-13:
DOWNLOAD EBOOKPresents techniques of applying and repairing concrete in freshwater and marine environments for the practicing engineer. Covers materials, inspection, defect evaluation, repair methods, and factors influencing long-term durability of concrete underwater. Includes numerous diagrams and photos. Enables engineers to identify and overcome the many problems associated with concreting in both fresh and sea water. Focuses on the major factors influencing long term durability of concrete in the underwater environment. Discusses inspection, evaluation of defects and methods of repair for existing underwater structures. --
Concrete in the Marine Environment
Author: P.K. Mehta
Publisher: CRC Press
Published: 1991-12-03
Total Pages: 224
ISBN-13: 0203498259
DOWNLOAD EBOOKConcrete has clearly emerged as the most economical and durable material for the building of the vast majority of marine structures. Reinforced concrete too has overcome the technological problems making it a suitable material for the construction of advanced marine structures such as offshore drilling platforms, superspan bridges and undersea tunn
Recommendation for the design of concrete sea structures 3rd edition
Author: FIB – International Federation for Structural Concrete
Publisher: FIB - International Federation for Structural Concrete
Published: 1977-07-01
Total Pages: 61
ISBN-13: 0721010695
DOWNLOAD EBOOKProposed Method for Placing Freshly Mixed Concrete in the Deep Ocean
Author:
Publisher:
Published: 1979
Total Pages:
ISBN-13:
DOWNLOAD EBOOKMarine Concrete Structures
Author: Mark Alexander
Publisher: Woodhead Publishing
Published: 2016-09-13
Total Pages: 506
ISBN-13: 0081000847
DOWNLOAD EBOOKMarine Concrete Structures: Design, Durability and Performance comprehensively examines structures located in, under, or in close proximity to the sea. A major emphasis of the book is on the long-term performance of marine concrete structures that not only represent major infrastructure investment and provision, but are also required to operate with minimal maintenance. Chapters review the design, specification, construction, and operation of marine concrete structures, and examine their performance and durability in the marine environment. A number of case studies of significant marine concrete structures from around the world are included which help to reinforce the principles outlined in earlier chapters and provide useful background to these types of structures. The result is a thorough and up-to-date reference source that engineers, researchers, and postgraduate students in this field will find invaluable. Covers, in detail, the design, specification, construction, and operation of marine concrete structures Examines the properties and performance of concrete in the marine environment Provides case studies on significant marine concrete structures and durability-based design from around the world
Design and Installation of Nearshore Ocean Cable Protection Systems
Author:
Publisher:
Published: 1979
Total Pages: 456
ISBN-13:
DOWNLOAD EBOOKThis handbook deals with the protection of that portion of an ocean cable system which passes through the nearshore zone. This zone is defined as an indefinite area that extends seaward from the shoreline to well beyond the breaker zone. For the purpose of this work, the outer limit of this zone has been established as the distance from shore at which the water depth is great enough that the hydrodynamic effects of storm waves no longer represent a potential danger to the bottom-resting cable. Although this gives a rationale for establishing the nearshore zone, the extent of this region depends on specific site conditions. It could extend offshore to a water depth of at least 100 feet or as much as 600 feet (Valent and Brackett, 1976). The information presented in this handbook is directed primarily toward future cable installations; however, many of the protection systems and most of the design theory can easily be adapted for use in repair of existing installations.
