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Technologies For Improving The Evaluation And Repair Of Concrete Bridge Decks

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Technologies For Improving The Evaluation And Repair Of Concrete Bridge Decks

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Author :
language : en
Publisher:
Release Date : 1998

Technologies For Improving The Evaluation And Repair Of Concrete Bridge Decks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Bridges categories.

Technologies For Improving The Evaluation And Repair Of Concrete Bridge Decks Ultrasonic Pulse Echo And Polymer Injection

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Author : Michel Alexander
language : en
Publisher:
Release Date : 1998

Technologies For Improving The Evaluation And Repair Of Concrete Bridge Decks Ultrasonic Pulse Echo And Polymer Injection written by Michel Alexander and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.

A significant number of concrete bridge decks, both public- and nonpublic use, in the United States are subjected to a variety of detrimental environmental conditions. Many of the decks are in northern regions and are subject to cold weather; some of these are subjected to further degradation from the applications of deicing salts. The current major distress noted is the occurrence of shallow delaminations resulting in horizontal voids below the surface of the decks. It appears the majority of the delaminations are caused by freezing and thawing action, by chloride attack that corrodes the reinforcement, and by alkali-silica reaction. All three attack mechanisms require the presence of moisture. Efforts to design and place a dense, impermeable concrete are hindered at times due to the porous nature of concrete. As the concrete ages, a micro system of tension cracks and other surface imperfections can develop, exposing the matrix to water and chloride infiltration. Water infiltration alone can lead to accelerated alkali-silica reaction and steel-reinforcement corrosion. Surface spalling not only reduces ride quality, but it leads to more serious problems including structural deterioration and failure. Many concrete sealers and penetrants on the market are designed to protect concrete by improving and enhancing its physical properties. Surface sealers such as silane, silicones, and siloxanes have been developed to prevent the infiltration of moisture and chlorides. Penetrants such as high molecular weight methacrylate (HMWM) and epoxies have been developed to penetrate and fill cracks and porous areas in the concrete, sealing it against the infiltration of air, water, and chloride. Once the concrete is effectively sealed, both the progression of alkali-silica reaction and the corrosion of the reinforcing steel are arrested. These materials are also designed to bond to the concrete and thus to the structural integrity of the concrete.

Federally Coordinated Program Of Highway Research Development And Technology

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Author :
language : en
Publisher:
Release Date : 1983

Federally Coordinated Program Of Highway Research Development And Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.

U S Department Of Transportation Research And Development Plan

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Author : United States. Department of Transportation
language : en
Publisher:
Release Date : 1999

U S Department Of Transportation Research And Development Plan written by United States. Department of Transportation and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Transportation and state categories.

Federally Coordinated Program Of Highway Research Development And Technology Annual Progress Report Fiscal Year 1985

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Author :
language : en
Publisher:
Release Date : 1986

Federally Coordinated Program Of Highway Research Development And Technology Annual Progress Report Fiscal Year 1985 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.

Department Of Transportation And Related Agencies Appropriations For 1982

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Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
language : en
Publisher:
Release Date : 1981

Department Of Transportation And Related Agencies Appropriations For 1982 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with United States categories.

Department Of Transportation And Related Agencies Appropriations For 1982 1982 Budget Justifications

Department Of Transportation And Related Agencies Appropriations For 1982 1982 Budget Justifications written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with United States categories.

Bonded Cement Based Material Overlays For The Repair The Lining Or The Strengthening Of Slabs Or Pavements

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Author : Benoît Bissonnette
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-03-16

Bonded Cement Based Material Overlays For The Repair The Lining Or The Strengthening Of Slabs Or Pavements written by Benoît Bissonnette and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-16 with Technology & Engineering categories.

Among different approaches that can be considered for concrete rehabilitation, bonded overlays are often the most economical alternative. The primary purpose of overlays is to extend the life of the candidate structures, either by restoring the quality and integrity of the surface and/or the re-establishing or improving the load-carrying capacity. Nevertheless, the durability of bonded overlay systems still draws concerns in the technical community because of bond sustainability problems encountered in a number of cases. At this time, there is still no accepted design approach or methodology that can warrant the practitioner a successful outcome of the repair. This State-of-Art report summarizes the findings with respect to all aspects involved in the overlaying process.

Department Of Transportation And Related Agencies Appropriations For 1983

Department Of Transportation And Related Agencies Appropriations For 1983 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with United States categories.

Public Roads

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Author :
language : en
Publisher:
Release Date : 2003

Public Roads written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Highway research categories.

Technologies For Improving The Evaluation And Repair Of Concrete Bridge Decks

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