ageing management of concrete structures in nuclear power

Ageing Management of Concrete Structures in Nuclear Power ...

INTERNATIONAL ATOMIC ENERGY AGENCY, Ageing Management of Concrete Structures in Nuclear Power Plants, Nuclear Energy Series No. NP-T-3.5, IAEA, Vienna (2016). This report is an update of IAEA-TECDOC-1025, Assessment and Management of Ageing of Major Nuclear Power Plant Components Important to Safety ...

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SMiRT 23 Paper - Ageing Management of Concrete Structures ...

AGEING MANAGEMENT OF CONCRETE STRUCTURES IN NUCLEAR POWER PLANTS J.Moore 1, J.Tcherner 2, D.Naus 3, M.Bakirov 4, J.Puttonen 5, !"#$%6 1 Nuclear Engineer, International Atomic Energy Agency, Austria 2 Senior Civil Engineer, Candu Energy, Canada 3 Consultant, USA 4 Center of Material Science and Lifetime Management Ltd., Russian Federation

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Aging of concrete structures in nuclear power plants ...

Jan 01, 1991  The Structural Aging (SAG) Program is being conducted at the Oak Ridge National Laboratory (ORNL) for the Nuclear Regulatory Commission (NRC). 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.

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Ageing Management Of Concrete Structures In Nuclear Power ...

This publication is one in a series of reports on the assessment and management of ageing of major nuclear power plant (NPP) 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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The Management of Aging in Nuclear Power Plant Concrete ...

General guidance on developing an aging management program for concrete containment buildings has been developed. 5 Additional information is available through organizations such as The Electric Power Research Institute, The International Union of Laboratories and Experts in Construction Materials, Systems and Structures, and the Nuclear Energy ...

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SMiRT 23 Paper - Ageing Management of Concrete

AGEING MANAGEMENT OF CONCRETE STRUCTURES IN NUCLEAR POWER PLANTS J.Moore 1, J.Tcherner 2, D.Naus 3, M.Bakirov 4, J.Puttonen 5, !"#$%6 1 Nuclear Engineer, International Atomic Energy Agency, Austria 2 Senior Civil Engineer, Candu Energy, Canada 3 Consultant, USA 4 Center of Material Science and Lifetime Management Ltd., Russian Federation

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Aging of concrete structures in nuclear power plants ...

Jan 01, 1991  The Structural Aging (SAG) Program is being conducted at the Oak Ridge National Laboratory (ORNL) for the Nuclear Regulatory Commission (NRC). 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.

get price

Ageing Management Of Concrete Structures In Nuclear Power ...

This publication is one in a series of reports on the assessment and management of ageing of major nuclear power plant (NPP) 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.

get price

The management of aging in nuclear power plant concrete ...

Jul 09, 2009  In this paper, nuclear power plant concrete structures are described and their operating experience noted. Primary considerations related to management of their aging are noted: degradation mechanisms, damage modeling, and material performance; assessment and repair; and applications of structural reliability theory. Several topics are noted where additional research would be of benefit.

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Report on Aging of Nuclear Power Plant Reinforced Concrete ...

Mar 24, 2021  The Structural Aging Program provides the United States 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 ...

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Aging Degradation of Concrete Structures in Nuclear

The NRC concrete aging programs are briefly reviewed in Chapter 2. The functions of concrete structures in nuclear power plants are examined in Chapter 3. IncIuded in ,Chapter 3 are cut-away illustrations of the major concrete structures at typical nuc1ear power plants.

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Ageing management - Nuclear Energy Agency (NEA)

Ageing management, NEA News 2009 – No. 27.1 17 components, the integrity and ageing of concrete structures and the seismic behaviour of components and structures. Thermal cycling is a widespread and recurring problem in nuclear power plants worldwide. Several incidents with

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Aging management of containment structures in nuclear ...

Dec 31, 1994  @article{osti_106668, title = {Aging management of containment structures in nuclear power plants}, author = {Naus, D J and Oland, C B and Ellingwood, B R and Graves, III, H L and Norris, W E}, abstractNote = {Research is being conducted by ORNL under US Nuclear Regulatory Commission (USNRC) sponsorship to address aging management of nuclear power plant

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Service life management system of concrete structures in ...

directed towards a safety management system of concrete structures in nuclear power plants. CONSAFE started in 2005 and continued in 2006 as a subtask in the project CONTECH. A description and an implementation plan for the safety management system was prepared. The ad-hoc group of the project consisted of the following persons:

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NON-DESTRUCTIVE TESTING OF CONCRETE STRUCTURES

nuclear power containment structures. With respect to ageing management CONMOD further demonstrated that other factors such as defects and unknown detailing introduced during construction may be at least, and often much, more critical than classic ageing mechanisms. During the CONMOD project several NDT techniques were used to examine various

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Ageing Management Platform for Concrete Structures in ...

Ageing Management Platform for Concrete Structures in Finnish NPPs (MANAGE) Background and goal Finnish nuclear power plants (NPP) are reaching their designed service life of approximately 40 years. Based on international guidelines for ageing management systems, the physical ageing of structures, systems and components (SCC), and their

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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.

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Developing a Computerized Aging Management System

Developing a Computerized Aging Management System for Concrete Structures in Finnish Nuclear Power Plants F. Al-Neshawy 1, J. Piironen , E. Sistonen E. Vesikari2, M. Tuomisto2, P. Hradil2 and M. Ferreira2 1Aalto University School of Engineering, Espoo, Finland 2VTT Technical Research Centre of Finland Abstract. Finland has four nuclear reactors units in two power plants.

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Ageing management of concrete structure: Assessment of EDF ...

The IAEA published in 2009 a new safety guide entitled “ageing management for nuclear power plants” that aims to give recommendations on the monitoring of nuclear power plants (concrete structures and other equipment). EDF exploits a large number and a wide variety of civil engineering structures (nuclear power stations, bridges, dams ...

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Aging of concrete structures in nuclear power plants ...

Jan 01, 1991  The Structural Aging (SAG) Program is being conducted at the Oak Ridge National Laboratory (ORNL) for the Nuclear Regulatory Commission (NRC). 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.

get price

Ageing Management Of Concrete Structures In Nuclear Power ...

This publication is one in a series of reports on the assessment and management of ageing of major nuclear power plant (NPP) 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.

get price

Report on Aging of Nuclear Power Plant Reinforced Concrete ...

Mar 24, 2021  The Structural Aging Program provides the United States 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 ...

get price

Ageing management of concrete structure: Assessment of EDF ...

The IAEA published in 2009 a new safety guide entitled “ageing management for nuclear power plants” that aims to give recommendations on the monitoring of nuclear power plants (concrete structures and other equipment). EDF exploits a large number and a wide variety of civil engineering structures (nuclear power stations, bridges, dams ...

get price

Aging Degradation of Concrete Structures in Nuclear

The NRC concrete aging programs are briefly reviewed in Chapter 2. The functions of concrete structures in nuclear power plants are examined in Chapter 3. IncIuded in ,Chapter 3 are cut-away illustrations of the major concrete structures at typical nuc1ear power plants.

get price

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.

get price

Developing a Computerized Aging Management System

Developing a Computerized Aging Management System for Concrete Structures in Finnish Nuclear Power Plants F. Al-Neshawy 1, J. Piironen , E. Sistonen E. Vesikari2, M. Tuomisto2, P. Hradil2 and M. Ferreira2 1Aalto University School of Engineering, Espoo, Finland 2VTT Technical Research Centre of Finland Abstract. Finland has four nuclear reactors units in two power plants.

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Ageing Management Platform for Concrete Structures in ...

Ageing Management Platform for Concrete Structures in Finnish NPPs (MANAGE) Background and goal Finnish nuclear power plants (NPP) are reaching their designed service life of approximately 40 years. Based on international guidelines for ageing management systems, the physical ageing of structures, systems and components (SCC), and their

get price

Service life management system of concrete structures in ...

directed towards a safety management system of concrete structures in nuclear power plants. CONSAFE started in 2005 and continued in 2006 as a subtask in the project CONTECH. A description and an implementation plan for the safety management system was prepared. The ad-hoc group of the project consisted of the following persons:

get price

NON-DESTRUCTIVE TESTING OF CONCRETE STRUCTURES

nuclear power containment structures. With respect to ageing management CONMOD further demonstrated that other factors such as defects and unknown detailing introduced during construction may be at least, and often much, more critical than classic ageing mechanisms. During the CONMOD project several NDT techniques were used to examine various

get price

Assessment and Management of Aging of Nuclear Power

Assessment and Management of Aging of Nuclear Power Plant Safety-Related Structures D. J. Naus1), H. L. Graves, III2), B. R. Ellingwood3) 1) Oak Ridge National Laboratory (ORNL), Oak Ridge, Tennessee 37831-8056 2) United States Nuclear Regulatory Commission (USNRC), Washington, DC

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Ageing management platform for NPP concrete structures ...

The presented platform is as an example for NPP ageing management of concrete structures but it can also be applied to all types of reinforced concrete structures. AB - Finland has four nuclear reactors units in two power plants. The first unit started operation in 1977 and in the early 1980's all four units were in use.

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The management of aging in nuclear power plant concrete ...

In this paper, nuclear power plant concrete structures are described and their operating experience noted. Primary considerations related to management of their aging are noted: degradation mechanisms, damage modeling, and material performance; assessment and repair; and applications of structural reliability theory. Several topics are noted where additional research would be of benefit.

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Assessment and management of ageing of major nuclear

of ageing management and economic planning. The target audience of the reports consists of technical experts from NPPs and from regulatory, plant design, manufacturing, and technical support organizations dealing with specific plant components addressed in the reports. The nuclear power plant component addressed in the present publication is the

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