Experimental study on eccentric compression performance of double steel plate concrete composite wall
To study the structural performance of double steel plate concrete composite walls under eccentric compressive loads,five specimens were designed and manufactured.Eccentric compressive tests were conduc-ted using the eccentric distance and wall thickness as the research parameters.The ABAQUS software was used for finite element analysis of the specimens.The sectional bearing capacity of the double steel plate con-crete composite wall under the combination action of the axial load and the bending moment was calculated by the section analysis method.The experimental results show that the specimens finally exhibit local buckling of the steel plates and compressive failure of the concrete.According to the experimental load-displacement curves,the ductility coefficients of the specimens were calculated as 1.28 to 1.92.For the specimens with the same wall thickness,the bearing capacity decreases when the loading eccentric distance increases.For the specimens with the same eccentric distance,the increase of the wall thickness can effectively improve the bear-ing capacity.The strain distribution of the cross-section of the eccentric compressive specimen follows the as-sumption of the plane cross-section.The maximum error of the bearing capacity between the experimental re-sults and the calculated ones by finite element analysis is 4％,while that between the experimental results and the theoretical calculation ones is 9％.
万方数据
维普
