Numerical Simulation on the Torsion Behavior of '+'-Shaped Columns under the Actions of Pressure and Torque

Dan Li; Yu Ye Xu; Zheng He Qiu; Yong Lin Zheng

doi:10.4028/www.scientific.net/AMM.105-107.796

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 105-107Numerical Simulation on the Torsion Behavior of...

Numerical Simulation on the Torsion Behavior of '+'-Shaped Columns under the Actions of Pressure and Torque

Abstract:

Nonlinear finite element analysis (FEA) for the torsion behavior of reinforced concrete '+'-shaped columns with various axial load ratios was carried out by the general software ANSYS. Then a comparison between the FEA calculations and the test results is made. The numerical examples show that: (1) the cracking torque and ultimate torque of reinforced concrete '+'-shaped columns under the combined actions of axial force and torque can be predicted with a reasonable accuracy. (2) the axial ratio has significant effects on the torsion behavior '+'-shaped columns. The cracking torque and ultimate torque of '+'-shaped columns increase with an increase of axial load ratio. Comparing with reinforced concrete '+'-shaped column with an axial load ratio of 0.063, the cracking torque and ultimate torque of reinforced concrete '+'-shaped columns with axial load ratios of 0.189 and 0.314 were increased by 28.3% and 71.9%, 79.4% and 96.0%, respectively.

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Periodical:

Applied Mechanics and Materials (Volumes 105-107)

Pages:

796-799

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.105-107.796

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Online since:

September 2011

Authors:

Dan Li, Yu Ye Xu, Zheng He Qiu, Yong Lin Zheng

Keywords:

‘+’-Shaped Cross Section, Column, Numerical Simulation, Reinforced Concrete (RC), Torsion Behavior

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