Experimental Studies on Bearing Capacity of Post-Tensioned Unbonded Prestressed Concrete Hollowed Floors

Xiao Hua Yang; Chao Yang Zhou; Xue Jun He; Zhi Qing Yang

doi:10.4028/www.scientific.net/AMR.368-373.159

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 368-373Experimental Studies on Bearing Capacity of...

Experimental Studies on Bearing Capacity of Post-Tensioned Unbonded Prestressed Concrete Hollowed Floors

Abstract:

A 1/4 scales four-storey model of post-tensioned unbonded prestressed concrete hollow slab-column structure has been made to do the ultimate load test on the second-storey floor. By measuring the floor deflection, stresses of steel bars and cracks of floors, the bearing capacity of floor is explored. The bearing capacity tests of floor are divided into three stages: elastic stage, crack growth stage and destruction stage. Based on the test results and crack developments in floor, a improved plastic hinge model is carried out to predict the ultimate loads. The calculated results of the ultimate loads with improved plastic hinge model are in good agreement with the experiment data.

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Periodical:

Advanced Materials Research (Volumes 368-373)

Pages:

159-163

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.368-373.159

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Online since:

October 2011

Authors:

Xiao Hua Yang, Chao Yang Zhou, Xue Jun He, Zhi Qing Yang

Keywords:

Post-Tensioned Unbonded Prestressed Concrete Hollowed Floor, Slab-Column Structure, Ultimate Load

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References

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