Internal Forces and Steel Arrangement Analysis on the Steel Lined Reinforced Concrete Penstocks

Abstract:

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he steel lined reinforced concrete penstocks (SLRCP) is always looked as an axisymmetric structure according to the design code, which can not show the true load-carrying capacity when considering the dam’s constraint to the SLRCP. In this paper, the physical non-axisymmetric property of the structure is simulated using the finite element method. The internal force distribution of every cross section in the SLRCP is studied, and a design method for steel arrangement based on axial force is proposed. When considering the non-axisymmetric property, the axial force in those cross sections approaching the bottom of the structure may be reduced more than 30% to the calculated value by the axisymmetric analysis. The larger the inner radius of the penstock or the thickness of the concrete wall is, the more marked the non-axisymmetric property of the SLRCP is.

Info:

Periodical:

Edited by:

Xuejun Zhou

Pages:

99-104

DOI:

10.4028/www.scientific.net/AMM.94-96.99

Citation:

Z. Wei et al., "Internal Forces and Steel Arrangement Analysis on the Steel Lined Reinforced Concrete Penstocks", Applied Mechanics and Materials, Vols. 94-96, pp. 99-104, 2011

Online since:

September 2011

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Price:

$35.00

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