Elastic Modulus Reduction Method Based Limit Analysis of Steel Lined Reinforced Concrete Penstocks Containing Flaws

Shu Lin Liu; Chuan Xiong Fu; Wei Zhang

doi:10.4028/www.scientific.net/AMR.671-674.879

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 671-674Elastic Modulus Reduction Method Based Limit...

Elastic Modulus Reduction Method Based Limit Analysis of Steel Lined Reinforced Concrete Penstocks Containing Flaws

Abstract:

In the context of ultimate bearing capacity of steel lined reinforced concrete penstock (SLRCP) containing flaws, the use of the elastic modulus reduction method (EMRM) in conjunction with curve beam based internal force calculation is presented. The corrosion models for steel bar and lining are introduced from the literature. The SLRCP is considered bearing load together with lining and reinforced concrete, and its internal force is determined based on a simplified curve beam model. The element bearing ratio of SLRCP is given through the internal force and sectional strength, and is employed by the EMRM. The change of ultimate bearing capacity of some typical SLRCP within their operating life is then evaluated.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

879-883

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.671-674.879

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Online since:

March 2013

Authors:

Shu Lin Liu, Chuan Xiong Fu, Wei Zhang

Keywords:

Containing Flaws, Elastic Modulus Reduction Method, Steel Lined Reinforced Concrete Penstocks, Ultimate Bearing Capacity

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