Rational seismic design procedures necessitate comprehensive evaluation of nuclear piping systems under large amplitude seismic loads. This comprehensive assessment requires accurate prediction of inelastic response of piping system till failure to ensure adequate margins for unexpected beyond design basis events. The present paper describes the details of experimental and numerical studies of inelastic response of pressurized piping system under seismic loading. Shake table test has been carried out on a three-dimensional stainless steel piping system under internal pressure and seismic load. The amplitude of base excitation has been increased till failure of the piping system. The tested piping system has been analyzed using iterative response spectrum (IRS) method for various levels of excitation. The comparison of numerical and experimental results is given in the paper.
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June 2015
Research-Article
Experimental and Numerical Studies of Ratcheting in a Pressurized Piping System Under Seismic Load Available to Purchase
A. Ravikiran,
A. Ravikiran
1
Reactor Safety Division,
e-mail: arkiran@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: arkiran@barc.gov.in
1Present address: SO/F, R. No. 407, Engg. Hall-7, BARC, Trombay, Mumbai 400085, India.
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P. N. Dubey,
P. N. Dubey
Reactor Safety Division,
e-mail: pndubey@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: pndubey@barc.gov.in
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M. K. Agrawal,
M. K. Agrawal
Reactor Safety Division,
e-mail: mkagra@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: mkagra@barc.gov.in
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G. R. Reddy,
G. R. Reddy
Reactor Safety Division,
e-mail: rssred@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: rssred@barc.gov.in
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R. K. Singh,
R. K. Singh
Reactor Safety Division,
e-mail: rksingh@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: rksingh@barc.gov.in
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K. K. Vaze
K. K. Vaze
Reactor Design and Development Group,
e-mail: kkvaze@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: kkvaze@barc.gov.in
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A. Ravikiran
Reactor Safety Division,
e-mail: arkiran@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: arkiran@barc.gov.in
P. N. Dubey
Reactor Safety Division,
e-mail: pndubey@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: pndubey@barc.gov.in
M. K. Agrawal
Reactor Safety Division,
e-mail: mkagra@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: mkagra@barc.gov.in
G. R. Reddy
Reactor Safety Division,
e-mail: rssred@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: rssred@barc.gov.in
R. K. Singh
Reactor Safety Division,
e-mail: rksingh@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: rksingh@barc.gov.in
K. K. Vaze
Reactor Design and Development Group,
e-mail: kkvaze@barc.gov.in
Bhabha Atomic Research Centre
,Mumbai 400 085
, India
e-mail: kkvaze@barc.gov.in
1Present address: SO/F, R. No. 407, Engg. Hall-7, BARC, Trombay, Mumbai 400085, India.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received February 6, 2014; final manuscript received September 17, 2014; published online March 25, 2015. Assoc. Editor: Reza Adibi-Asl.
J. Pressure Vessel Technol. Jun 2015, 137(3): 031011 (7 pages)
Published Online: June 1, 2015
Article history
Received:
February 6, 2014
Revision Received:
September 17, 2014
Online:
March 25, 2015
Citation
Ravikiran, A., Dubey, P. N., Agrawal, M. K., Reddy, G. R., Singh, R. K., and Vaze, K. K. (June 1, 2015). "Experimental and Numerical Studies of Ratcheting in a Pressurized Piping System Under Seismic Load." ASME. J. Pressure Vessel Technol. June 2015; 137(3): 031011. https://doi.org/10.1115/1.4028619
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