Study on Restoring Force Models of Steel High Performance Concrete Composite Structural Wall

Liang Bai; Tian Hua Zhou; Xing Wen Liang

doi:10.4028/www.scientific.net/KEM.517.323

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 517Study on Restoring Force Models of Steel High...

Study on Restoring Force Models of Steel High Performance Concrete Composite Structural Wall

Abstract:

Steel high performance concrete (SHPC) structural wall was a combination of steel and high performance concrete. They can give full play to the advantages of steel and high performance concrete and have better dynamic behavior. Several specimens of SHPC structural walls with different parameters were tested under constant axial loading and horizontal cyclic loading. The testing phenomena and failure mechanics of those walls were compared and analyzed. On the basis of theoretic formulas and testing data, the main characteristic points and the law of stiffness degradation were presented, then, the tri-linear and four linear restoring models were built and provided. At last, the calculation formulas of stiffness parameter in restoring force model at different stages of deformation were presented. The results show that the declined strength stage of skeleton curve of specimens is related to the yielding strain of boundary steel, axial load ratio and stirrup content. The restoring force model of SHPC structural wall is thus formed for the application of nonlinear dynamics analysis as well as static structural calculations.

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Periodical:

Key Engineering Materials (Volume 517)

Pages:

323-330

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.517.323

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Online since:

June 2012

Authors:

Liang Bai, Tian Hua Zhou, Xing Wen Liang

Keywords:

Restoring Force Model, Skeleton Curve, Steel High Performance Concrete, Structural Wall

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