Calculation Analysis on Cracking Load of New Type Composite Wall

Wei Huang; Cheng Hua Zhang; Qian Feng Yao; Guo Xin Chen; Hao Zhen Wu

doi:10.4028/www.scientific.net/AMR.163-167.1012

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167Calculation Analysis on Cracking Load of New Type...

Calculation Analysis on Cracking Load of New Type Composite Wall

Abstract:

New type composite wall is the main bearing member in Multi-ribbed Slab Structure (MRSS), whose cracking load is an important parameter to determine the restoring force model and damage index of the wall. Based on the twin shear unified strength theory, when the influence of intermediate principal stress σ₂ and SD effect of materials are considered, the study on low-frequency cyclic lateral loading experiment of wall is proceed and the practical formula for the wall’s initial cracking load is deduced. The practical computing formulas for the wall’s initial cracking load based on twin shear unified strength theory and maximum tensile stress theory are contrastingly analyzed. The results show that, comparing the calculated values based on the twin shear unified strength theory and the values based on maximum tensile stress theory, the former are more closed to the experimental values, and it can provide more accurate, economic and applicable results for practical engineering.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

1012-1018

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.1012

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Online since:

December 2010

Authors:

Wei Huang, Cheng Hua Zhang, Qian Feng Yao, Guo Xin Chen, Hao Zhen Wu

Keywords:

Cracking Load, New Type Composite Wall, Twin Shear Unified Strength Theory

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References

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