The present paper deals with the reevaluation of design stresses and assessment of safety margins available for an underground reinforced cement concrete (RCC) duct. For stress analysis, a two-dimensional mathematical model has been adopted to appropriately represent the structure. The structure has been analyzed for both static and seismic loads. The seismic analysis has been carried out for site-specific response spectra. The design checks have been performed using available international standards and, accordingly, the safety margins have been evaluated. The structure has been found to possess sufficient safety margins under all the postulated design loadings. The seismic reassessment methodology conforms to the available international standards.
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November 2005
Research Papers
Seismic Requalification of an Underground RCC Duct
P. Ramesh,
P. Ramesh
Architecture & Civil Engineering Division
Bhabha Atomic Research Centre
, Trombay, Mumbai 400 085, India
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A. K. Ghosh,
A. K. Ghosh
Health Safety and Environment Group
Bhabha Atomic Research Centre
, Trombay, Mumbai 400 085, India
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S. Ramanujam
S. Ramanujam
Architecture & Civil Engineering Division
Bhabha Atomic Research Centre
, Trombay, Mumbai 400 085, India
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Kapilesh Bhargava
P. Ramesh
Architecture & Civil Engineering Division
Bhabha Atomic Research Centre
, Trombay, Mumbai 400 085, India
A. K. Ghosh
Health Safety and Environment Group
Bhabha Atomic Research Centre
, Trombay, Mumbai 400 085, India
S. Ramanujam
Architecture & Civil Engineering Division
Bhabha Atomic Research Centre
, Trombay, Mumbai 400 085, IndiaJ. Pressure Vessel Technol. Nov 2005, 127(4): 525-529 (5 pages)
Published Online: June 3, 2005
Article history
Received:
May 24, 2004
Revised:
June 3, 2005
Citation
Bhargava, K., Ramesh, P., Ghosh, A. K., and Ramanujam, S. (June 3, 2005). "Seismic Requalification of an Underground RCC Duct." ASME. J. Pressure Vessel Technol. November 2005; 127(4): 525–529. https://doi.org/10.1115/1.2043203
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