Tests and FE analysis for lateral force resistance of a steel-wood combined column&nbsp;

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (11) : 61-70.

Tests and FE analysis for lateral force resistance of a steel-wood combined column

ZHAO Dongfu1,2,3, WANG Lei1, MENG Ying1

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Abstract

A kind of steel-wood combined column structural style for lateral force resistance was proposed using bending steel bars combined with wooden columns and beams to resist horizontal lateral force. Quasi-static tests for three groups of steel-wood combined columns were conducted by changing bending forms of steel bars, the test results and failure modes were observed and recorded. The aseismic indexes including load-displacement hysteretic curves, skeleton curves, ductility coefficient, stiffness degradation and energy dissipation capacity were studied. The results showed that the hysteretic curves of three groups of specimens are relatively full bow-shaped; when steel-wood combined columns are damaged, their equivalent viscous damping coefficients are 0.152~0.175, so these steel-wood combined columns have a good energy dissipation capacity to meet the aseismic requirements of general building structures; the energy dissipation capacity of the ZHZA group is the best. The FE analysis for three groups of specimens under horizontal low cyclic loading were conducted by using the FE software ABAQUS. The FE analysis results agreed well with those of tests.

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ZHAO Dongfu1,2,3, WANG Lei1, MENG Ying1. Tests and FE analysis for lateral force resistance of a steel-wood combined column [J]. Journal of Vibration and Shock, 2018, 37(11): 61-70

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