The Management of Aging in Nuclear Power Plant Concrete

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  • Report on Aging of Nuclear Power Plant Reinforced Concrete

    This publication is one in a series of reports on the assessment and management of ageing of major nuclear power plant components. Current practices for assessment of safety margins (fitness for service) and inspection, monitoring and mitigation of ageing related degradation of selected concrete structures related to NPPs are documented.

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  • Report on Aging of AP3 1 8 t33S Nuclear Power Plant

    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.

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  • AGING MANAGEMENT OF NUCLEAR PRESTRESSED …

    The operating nuclear power plants in Sweden and Finland have been operating for more than 30 years and require continuous aging management and inspection. This report will be a useful reference for Swedish and Finnish regulators and utility engineers engaged in aging management, inspection, and surveillance nuclear containment structures.

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  • NUCLEAR POWER PLANT CONCRETE STRUCTURES

    Mar 01, 1996 · Research has been conducted by the Oak Ridge National Laboratory to address aging management of nuclear power plant concrete structures. The purpose was to identify potential structural safety issues and acceptance criteria for use in continued service assessments.

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  • Aging Management of Concrete Structures in Nuclear Power

    The aging management programs for concrete structures refer to IAEA TEC- DOC 1025 (1998) issued in 1998 to address assessment and aging management of concrete containment structures .

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  • Report on aging of nuclear power plant reinforced concrete

    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, …

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  • Structural Performance of Nuclear Power Plant Concrete

    Feb 08, 2021 · Structural Performance of Nuclear Power Plant Concrete Structures Affected by Alkali-Silica Reaction (ASR) - Task 1: Assessing In-Situ Mechanical Properties of ASR-Affected Concrete. Published. February 8, 2021. Author(s)

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  • NUCLEAR POWER PLANT CONCRETE STRUCTURES – AGING

    Jul 07, 2015 · Concrete structures in nuclear power plants provide foundation, structural support, biological shielding, containment, and protection against internal and external hazards. Aging of these structures occurs and has the potential, if not controlled, to increase the risk to public health and safety. Research providing guidance on aging management of reinforced concrete structures is summarized

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  • AGING MANAGEMENT OF NUCLEAR POWER PLANTS IN JAPAN …

    The Management of Aging in Nuclear Power Plant Concrete

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  • I-Team: Concrete Cracking At Seabrook Nuclear Power Plant

    Oct 05, 2021 · Seabrook Nuclear Power Plant (WBZ-TV) ASR or alkali silica reaction is the condition that can develop in cement resulting in the swelling and cracking of concrete …

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  • nd JSCE Concrete Committee Webinar Frontiers of Concrete

    Aging Management of Concrete Structures in Nuclear Power Plants (NPPs) Dr. Ippei Maruyama is a Professor of Graduate School of Environmental Studies at Nagoya University and a Professor of Graduate School of Engineering at the University of Tokyo (cross-appointment), Japan. He is a materials scientist and concrete engineer whose main

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  • The management of aging in nuclear power plant concrete

    The Management of Aging in Nuclear Power Plant Concrete

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  • A Review on Radiation Damage in Concrete for Nuclear

    Aug 15, 2016 · The understanding of radiation effects on concrete was largely based on Hilsdorf and coauthors' curves compiled in 1978 up to a few years ago, when the need to develop comprehensive safety evaluation systems for aging nuclear power plants has become a compelling issue.

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  • Aging Degradation of Concrete Structures in Nuclear Power

    Studies into the aging of concrete structures in nuclear power plants have been funded by the NRC in two separate research programs. These programs are: • the Nuclear Plant Aging Research (NP AR) program; and • the Structural Aging (SAG) program. The NPAR program was established by the NRC in 1983 to exarnine the aging-related

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  • Aging of concrete structures in nuclear power plants

    Assessment and management of aging in nuclear power plant concrete structures requires a more systematic approach than simple reliance on existing code margins of safety. 11 What is required is the integration of structural component function, potential degradation mechanisms, and appropriate control programs into a quantitative evaluation procedure. A methodology to demonstrate the reliable and safe performance of these structures should include identification of structures …

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  • Report on aging of nuclear power plant reinforced concrete

    Jan 01, 1991 · The SAG Program is addressing the aging management of safety-related concrete structures in nuclear power plants for the purpose of providing improved technical bases for their continued service. The program is organized into four tasks: Program Management, Materials Property Data Base, Structural Component Assessment/Repair Technologies, and Quantitative Methodology for …

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  • Federal Ruling Will Require Closer Monitoring Of Seabrook

    Sep 11, 2020 · The board is upholding, as well as expanding, the part of the plant's license that lays out how it will manage the aging and cracking of its concrete. Seabrook is the only nuclear plant in the

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  • Summary and conclusions of a program addressing aging of

    Nov 01, 1999 · Nuclear power plants, however, involve complex engineering structures and components operating in demanding environments that potentially can challenge the high level of safety (i.e. safety margins) required throughout the operating life of the plant. 1 It is necessary that safety issues related to plant aging and continuing the service of the

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  • Ageing Management of Concrete Structures in Nuclear Power

    The Management of Aging in Nuclear Power Plant Concrete

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  • N287.7-17 | Product | CSA Group

    • CSA N287.8, Aging management for concrete containment structures for nuclear power plants, provides aging management requirements for concrete containment structures for nuclear power plants and is directed to the owners/operators, designers, manufacturers, fabricators, and constructors.

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