Short cracks in piping and piping welds. Seventh program report, March 1993-December 1994. Volume 4, Number 1

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This is the seventh progress report of the U.S. Nuclear Regulatory Commission`s research program entitled {open_quotes}Short Cracks in Piping and Piping Welds{close_quotes}. The program objective is to verify and improve fracture analyses for circumferentially cracked large-diameter nuclear piping with crack sizes typically used in leak-before-break (LBB) analyses and in-service flaw evaluations. All work in the eight technical tasks have been completed. Ten topical reports are scheduled to be published. Progress only during the reporting period, March 1993 - December 1994, not covered in the topical reports is presented in this report. Details about the following efforts are covered in this ... continued below

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71 p.

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Wilkowski, G. M.; Ghadiali, N.; Rudland, D.; Krishnaswamy, P.; Rahman, S. & Scott, P. April 1995.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 17 times . More information about this report can be viewed below.

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  • U.S. Nuclear Regulatory Commission
    Publisher Info: Nuclear Regulatory Commission, Washington, DC (United States). Div. of Engineering Technology
    Place of Publication: Washington D.C.

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Description

This is the seventh progress report of the U.S. Nuclear Regulatory Commission`s research program entitled {open_quotes}Short Cracks in Piping and Piping Welds{close_quotes}. The program objective is to verify and improve fracture analyses for circumferentially cracked large-diameter nuclear piping with crack sizes typically used in leak-before-break (LBB) analyses and in-service flaw evaluations. All work in the eight technical tasks have been completed. Ten topical reports are scheduled to be published. Progress only during the reporting period, March 1993 - December 1994, not covered in the topical reports is presented in this report. Details about the following efforts are covered in this report: (1) Improvements to the two computer programs NRCPIPE and NRCPIPES to assess the failure behavior of circumferential through-wall and surface-cracked pipe, respectively; (2) Pipe material property database PIFRAC; (3) Circumferentially cracked pipe database CIRCUMCK.WKI; (4) An assessment of the proposed ASME Section III design stress rule changes on pipe flaw tolerance; and (5) A pipe fracture experiment on a section of pipe removed from service degraded by microbiologically induced corrosion (MIC) which contained a girth weld crack. Progress in the other tasks is not repeated here as it has been covered in great detail in the topical reports.

Physical Description

71 p.

Notes

INIS; OSTI as TI95010955

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  • Other Information: PBD: Apr 1995

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  • Other: TI95010955
  • Report No.: NUREG/CR--4599-Vol.4-No.1
  • Report No.: BMI--2173-Vol.4-No.1
  • DOI: 10.2172/50936 | External Link
  • Office of Scientific & Technical Information Report Number: 50936
  • Archival Resource Key: ark:/67531/metadc693022

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  • April 1995

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 8, 2016, 8:24 p.m.

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Wilkowski, G. M.; Ghadiali, N.; Rudland, D.; Krishnaswamy, P.; Rahman, S. & Scott, P. Short cracks in piping and piping welds. Seventh program report, March 1993-December 1994. Volume 4, Number 1, report, April 1995; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc693022/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.