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Management of the Aging of Critical Safety-related Concrete Structures in Light-water Reactor Plants

1990
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Release : 1990
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Book Synopsis Management of the Aging of Critical Safety-related Concrete Structures in Light-water Reactor Plants by :

Download or read book Management of the Aging of Critical Safety-related Concrete Structures in Light-water Reactor Plants written by . This book was released on 1990. Available in PDF, EPUB and Kindle. Book excerpt: The Structural Aging Program has the overall objective of providing the USNRC with an improved basis for evaluating nuclear power plant safety-related structures for continued service. The program consists of a management task and three technical tasks: materials property data base, structural component assessment/repair technology, and quantitative methodology for continued-service determinations. Objectives, accomplishments, and planned activities under each of these tasks are presented. Major program accomplishments include development of a materials property data base for structural materials as well as an aging assessment methodology for concrete structures in nuclear power plants. Furthermore, a review and assessment of inservice inspection techniques for concrete materials and structures has been complete, and work on development of a methodology which can be used for performing current as well as reliability-based future condition assessment of concrete structures is well under way. 43 refs., 3 tabs.

Energy Research Abstracts

1994-03 Power resources
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Release : 1994-03
Genre : Power resources
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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by . This book was released on 1994-03. Available in PDF, EPUB and Kindle. Book excerpt:

Report on Aging of Nuclear Power Plant Reinforced Concrete Structures

1996 Nuclear power plants
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Release : 1996
Genre : Nuclear power plants
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Book Synopsis Report on Aging of Nuclear Power Plant Reinforced Concrete Structures by : D. J. Naus

Download or read book Report on Aging of Nuclear Power Plant Reinforced Concrete Structures written by D. J. Naus. This book was released on 1996. Available in PDF, EPUB and Kindle. Book excerpt: The Structural Aging Program provides the US Nuclear Regulatory Commission with potential structural safety issues and acceptance criteria for use in continued service assessments of nuclear power plant safety-related concrete structures. The program was organized under four task areas: Program Management, Materials Property Data Base, Structural Component Assessment/Repair Technology, and Quantitative Methodology for Continued Service Determinations. Under these tasks, over 90 papers and reports were prepared addressing pertinent aspects associated with aging management of nuclear power plant reinforced concrete structures. Contained in this report is a summary of program results in the form of information related to longevity of nuclear power plant reinforced concrete structures, a Structural Materials Information Center presenting data and information on the time variation of concrete materials under the influence of environmental stressors and aging factors, in-service inspection and condition assessments techniques, repair materials and methods, evaluation of nuclear power plant reinforced concrete structures, and a reliability-based methodology for current and future condition assessments. Recommendations for future activities are also provided. 308 refs., 61 figs., 50 tabs.

Interim Report on Concrete Degradation Mechanisms and Online Monitoring Techniques

2014
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Release : 2014
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Book Synopsis Interim Report on Concrete Degradation Mechanisms and Online Monitoring Techniques by :

Download or read book Interim Report on Concrete Degradation Mechanisms and Online Monitoring Techniques written by . This book was released on 2014. Available in PDF, EPUB and Kindle. Book excerpt: The existing fleets of nuclear power plants in the United States have initial operating licenses of 40 years, though most these plants have applied for and received license extensions. As plant structures, systems, and components age, their useful life--considering both structural integrity and performance--is reduced as a result of deterioration of the materials. The online monitoring of concrete structure conducted under the Advanced Instrumentation, Information, and Control Technologies Pathway of the Light Water Reactor Sustainability program at Idaho National Laboratory will develop and demonstrate concrete structures health monitoring capabilities. Assessment and management of aging concrete structures in nuclear plants require a more systematic approach than simple reliance on existing code margins of safety. Therefore, the structural health monitoring is required to produce actionable information regarding structural integrity that supports operational and maintenance decisions. Through this research project, several national laboratories and Vanderbilt University proposes to develop a framework of research activities for the health monitoring of nuclear power plant concrete structures that includes integration of four elements--damage modeling, monitoring, data analytics, and uncertainty quantification. This report briefly discusses available techniques and ongoing challenges in each of the four elements of the proposed framework with emphasis on degradation mechanisms and online monitoring techniques.

A Summary of Aging Effects and Their Management in Reactor Spent Fuel Pools, Refueling Cavities, Tori, and Safety-related Concrete Structures

2012 Concrete construction
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Release : 2012
Genre : Concrete construction
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Book Synopsis A Summary of Aging Effects and Their Management in Reactor Spent Fuel Pools, Refueling Cavities, Tori, and Safety-related Concrete Structures by : D. A. Copinger

Download or read book A Summary of Aging Effects and Their Management in Reactor Spent Fuel Pools, Refueling Cavities, Tori, and Safety-related Concrete Structures written by D. A. Copinger. This book was released on 2012. Available in PDF, EPUB and Kindle. Book excerpt:

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