Three-Stage Approach for Unrestrained Simply Supported RC Slabs under Uniformly Distributed Load

Jun Xian Liu; Kang Hai Tan

doi:10.4028/www.scientific.net/AMM.166-169.845

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Three-Stage Approach for Unrestrained Simply...

Three-Stage Approach for Unrestrained Simply Supported RC Slabs under Uniformly Distributed Load

Abstract:

It is known from previous experiments that the load-carrying capacity for RC slabs at large deflection is governed and enhanced by the tensile membrane action. However, due to the intrinsic complexity of concrete properties, it is hard to capture the history of the load-deflection relationship for RC slabs. After reviewing several analytical reinforced concrete models, the author develops a simplified load-displacement semi-analytical model for laterally unrestrained simply supported RC slabs. Three stages have been identified for this model, which are elastic stage, transition stage and pure tensile membrane action stage. Compared with the existing RC slab tests, the author's model shows good agreement with the previous test results.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

845-848

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.845

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Online since:

May 2012

Authors:

Jun Xian Liu, Kang Hai Tan

Keywords:

Laterally Unrestrained, Reinforced Concrete Slabs, Simply Supported, Tensile Membrane Action

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