CONTAINMENT PERFORMANCE OF PROTOTYPICAL REACTOR CONTAINMENTS SUBJECTED TO SEVERE ACCIDENT CONDITIONS , NUREG/CR-6433 SAND ACCIDENT CONDITIO PDF Download
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Languages : en
Pages :
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Author:
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Category :
Languages : en
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Author:
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Category :
Languages : en
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Author: E. W. Klamerus
Publisher: DIANE Publishing
ISBN: 0788189298
Category :
Languages : en
Pages : 128
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Book Description
Addresses containment design practices and compares the 2 different material types (steel and concrete). Various failure modes are evaluated and computed in previous containment designs. Margin in steel and concrete containment was compared by designing and analyzing a set of surrogate containment. The containment chosen encompass the primary types of containment shapes and construction materials. For compatibility, each containment has an identical internal volume and design pressure and temperature. These containments are designed according to all applicable code requirements for nuclear reactor containment structures.
Author: E. W. Klamerus
Publisher:
ISBN: 9780160627972
Category :
Languages : en
Pages : 126
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Book Description
Addresses containment design practices and compares the 2 different material types (steel and concrete). Various failure modes are evaluated and computed in previous containment designs. Margin in steel and concrete containment was compared by designing and analyzing a set of surrogate containment. The containment chosen encompass the primary types of containment shapes and construction materials. For compatibility, each containment has an identical internal volume and design pressure and temperature. These containments are designed according to all applicable code requirements for nuclear reactor containment structures.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 125
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Book Description
In SECY-90-016, the NTRC proposed a safety goal of a conditional containment failure probability (CCFP) of 0.1 and the alternative acceptance criteria allowed for steel containments, which specifies that the stresses should not exceed ASNE Level C allowables for severe accident pressures and temperatures. In this work, the need for an equivalent criterion for concrete containments was studied. Six surrogate containments were designed and analyzed in order to compare the margins between design pressure, pressure resulting in exceedance of Level C (or yield) stress limits, and ultimate pressure. For comparability, each containment has an identical internal volume and design pressure. Results from the analysis showed margins to yield are comparable and display a similar margin for both steel and concrete containments. In addition, the margin to failure, although slightly higher in the steel containments, were also comparable. Finally, a CCFP for code design was determined based on general membrane behavior and imposing an upper bound severe accident curve developed in the DCH studies. The resulting CCFP's were less then 0.02 (or 2%) for all the surrogate containments studied, showing that these containment designs all achieved the NRC safety goal.
Author: International Atomic Energy Agency
Publisher: IAEA Nuclear Energy
ISBN: 9789201029140
Category : Science
Languages : en
Pages : 0
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Book Description
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. Implications for and differences in new reactor designs are discussed. This information is intended to help all involved directly and indirectly in ensuring the safe operation of NPPs, and also to provide a common technical basis for dialogue between plant operators and regulators when dealing with age related licensing issues.
Author: U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research
Publisher:
ISBN:
Category : Light water reactors
Languages : en
Pages : 16
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Author: M. Y. H. Bangash
Publisher: Blackwell
ISBN:
Category : Science
Languages : en
Pages : 896
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Book Description
Impact and Explosion: Structural Analysis and Design presents a comprehensive study of the structural dynamics of impact and explosion by providing a survey of types of aircraft, missiles, bombs, and detonators. Impact dynamics, including empirical models developed for different materials, water surfaces, and soil/rock mediums, is discussed. Other topics include load time history; explosion dynamics related to material damage capabilities; dynamic finite elements with provisions for impact and explosions; a discussion of solution procedures, acceleration, and convergence criteria; methods for designing structures resistant to impact and explosions; and how damage results due to impact or explosions. Case histories, comparative studies, numerous examples, appendices, and extensive references reinforce information presented in this important book for engineers and researchers working in government and private industry laboratories concerned with blast or impact loading effects on structures. Small firms that deal with impact loading (e.g., automobile collisions) will also find this book valuable.
Author: fib Fédération internationale du béton
Publisher: fib Fédération internationale du béton
ISBN: 9782883940536
Category : Technology & Engineering
Languages : en
Pages : 140
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Book Description
It was in 1978 that the former FIP (Fédération Internationale de la Précontrainte) published a state-of-art report on Containments for Nuclear Power Plants (NPPs). In 1996 the then FIP Commission 7 Concrete pressure vessels and containments discussed the necessity to up-date this document. After the merger of FIP with CEB (Comité Euro-International du Béton) into fib (fédération internationale du béton - international federation for structural concrete) had taken place in 1998, these activities were continued by a new fib Task-Group 1.3 Containment structures of fib Commission 1 Structures. The decision to update the 1978 report was kept with the intention to give a broad and well illustrated review of existing NPP containments as the most characteristic and complex building of nuclear power plants. Following the description of containments for different reactor systems the state-of-art report includes considerations on safety as the basic purpose of the containment, which underlies all design and construction aspects and necessitates a strict monitoring and inspection program during the whole life of the structure. Regulatory requirements and their evolution as well as recent developments, conceptual and technological, are presented. The report is complemented by two annexes on CD ROM giving some general information (on 160 NPPs built since 19972) and some more detailed data on six typical recent NPP containments. This work has been achieved during the years 1999 and 2000 thanks to the participation of members of fib Commission 1 and particularly of its Task Group 1.3, involving also further invited experts in the nuclear field from many countries all over the world. Comes with 1 CD
Author: F.H. Wittmann
Publisher: CRC Press
ISBN: 9789061917625
Category : Technology & Engineering
Languages : en
Pages : 560
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Book Description
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