Seismic risk management solution for nuclear power plants

Coleman, Justin; Sabharwall, Piyush

Title: Seismic risk management solution for nuclear power plants

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Abstract

Nuclear power plants should safely operate during normal operations and maintain core-cooling capabilities during off-normal events, including external hazards (such as flooding and earthquakes). Management of external hazards to expectable levels of risk is critical to maintaining nuclear facility and nuclear power plant safety. Seismic risk is determined by convolving the seismic hazard with seismic fragilities (capacity of systems, structures, and components). Seismic isolation (SI) is one protective measure showing promise to minimize seismic risk. Current SI designs (used in commercial industry) reduce horizontal earthquake loads and protect critical infrastructure from the potentially destructive effects of large earthquakes. The benefit of SI application in the nuclear industry is being recognized and SI systems have been proposed in American Society of Civil Engineer Standard 4, ASCE-4, to be released in the winter of 2014, for light water reactors facilities using commercially available technology. The intent of ASCE-4 is to provide criteria for seismic analysis of safety related nuclear structures such that the responses to design basis seismic events, computed in accordance with this standard, will have a small likelihood of being exceeded. The U.S. nuclear industry has not implemented SI to date; a seismic isolation gap analysis meeting was convened onmore »« less

Authors:

Coleman, Justin ^[1]; Sabharwall, Piyush ^[1]

Idaho National Lab. (INL), Idaho Falls, ID (United States)

Publication Date:: Mon Dec 01 00:00:00 EST 2014

Research Org.:: Idaho National Lab. (INL), Idaho Falls, ID (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE)

OSTI Identifier:: 1244699

Report Number(s):: INL/JOU-14-33436
Journal ID: ISSN 0092-9824

Grant/Contract Number:: AC07-05ID14517

Resource Type:: Journal Article: Accepted Manuscript

Journal Name:: F. A. S. Public Interest Report

Additional Journal Information:: Journal Volume: 67; Journal Issue: 4; Journal ID: ISSN 0092-9824

Publisher:: Federation of American Scientists

Country of Publication:: United States

Language:: English

Subject:: 99 GENERAL AND MISCELLANEOUS; seismic isolation

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                    Coleman, Justin, and Sabharwall, Piyush. Seismic risk management solution for nuclear power plants.  United States: N. p., 2014. 
        Web.

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                    Coleman, Justin, & Sabharwall, Piyush. Seismic risk management solution for nuclear power plants.  United States.

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                    Coleman, Justin, and Sabharwall, Piyush. 2014.  
        "Seismic risk management solution for nuclear power plants".  United States.  https://www.osti.gov/servlets/purl/1244699.

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@article{osti_1244699,

  title        = {Seismic risk management solution for nuclear power plants},

  author       = {Coleman, Justin and Sabharwall, Piyush},

  abstractNote = {Nuclear power plants should safely operate during normal operations and maintain core-cooling capabilities during off-normal events, including external hazards (such as flooding and earthquakes). Management of external hazards to expectable levels of risk is critical to maintaining nuclear facility and nuclear power plant safety. Seismic risk is determined by convolving the seismic hazard with seismic fragilities (capacity of systems, structures, and components). Seismic isolation (SI) is one protective measure showing promise to minimize seismic risk. Current SI designs (used in commercial industry) reduce horizontal earthquake loads and protect critical infrastructure from the potentially destructive effects of large earthquakes. The benefit of SI application in the nuclear industry is being recognized and SI systems have been proposed in American Society of Civil Engineer Standard 4, ASCE-4, to be released in the winter of 2014, for light water reactors facilities using commercially available technology. The intent of ASCE-4 is to provide criteria for seismic analysis of safety related nuclear structures such that the responses to design basis seismic events, computed in accordance with this standard, will have a small likelihood of being exceeded. The U.S. nuclear industry has not implemented SI to date; a seismic isolation gap analysis meeting was convened on August 19, 2014, to determine progress on implementing SI in the U.S. nuclear industry. The meeting focused on the systems and components that could benefit from SI. As a result, this article highlights the gaps identified at this meeting.},

  doi          = {},

  url          = {https://www.osti.gov/biblio/1244699},
  journal      = {F. A. S. Public Interest Report},

  issn         = {0092-9824},

  number       = 4,

  volume       = 67,

  place        = {United States},

  year         = {Mon Dec 01 00:00:00 EST 2014},

  month        = {Mon Dec 01 00:00:00 EST 2014}

}

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