Element Bearing Ratio Based Integral Safety Evaluation of Penstocks

Jian Wang; Wei Zhang; Jin Zhang; Wen Long Wu

doi:10.4028/www.scientific.net/AMR.671-674.1604

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 671-674Element Bearing Ratio Based Integral Safety...

Element Bearing Ratio Based Integral Safety Evaluation of Penstocks

Abstract:

Though it had been employed for limit analysis and integral safety assessment of pressure pipe and vessel, most of the elastic modulus adjustment procedures were applicable to simple structures because their load multiplier was mainly determined by stress. In this paper, a series of element bearing ratio (EBR) based load multiplier algorithms are given, in which the influence of both stress and material on limit load are included. The EBR based load multiplier algorithms are investigated, and two efficient algorithms are suggested. Then the two algorithms combined with the elastic modulus adjustment procedure of elastic modulus reduction method are applied to limit analysis and integral safety assessment of penstocks.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

1604-1608

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.671-674.1604

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Online since:

March 2013

Authors:

Jian Wang, Wei Zhang, Jin Zhang, Wen Long Wu

Keywords:

Element Bearing Ratio, Integral Safety Assessment, Load Multiplier, Penstock

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