Axial Compression Performance Research of RPC Filled Steel Tube Columns Based on the Unified Strength Theory

Qian Zhu; Jun Hai Zhao; Yan Li; Peng Wu; Su Wang

doi:10.4028/www.scientific.net/AMM.351-352.337

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 351-352Axial Compression Performance Research of RPC...

Axial Compression Performance Research of RPC Filled Steel Tube Columns Based on the Unified Strength Theory

Abstract:

With consideration of the intermediate principal stress,the calculation formula of bearing capacity of RPC filled steel tube columns under axial compression is deduced based on the twin shear unified strength theory. Combining with the bond-slip theory,new ultimate bearing capacity formula is derived with the highest regard for bond stress. Compared with the theoretical result and the experimental data,good agreement can be found. The results show that unified strength theory and the bond-slip theory are versatile in theoretical analysis of the column. The analysis results can be provided for the optimum design of RPC filled steel tube and the solution has an important practical value for engineering application.

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Periodical:

Applied Mechanics and Materials (Volumes 351-352)

Pages:

337-341

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.351-352.337

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Online since:

August 2013

Authors:

Qian Zhu*, Jun Hai Zhao, Yan Li, Peng Wu, Su Wang

Keywords:

Axial Bearing Capacity, Bond-Slip Strength, RPC Filled Steel Tube, Unified Strength Theory

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