A new type of steel plate shear wall—steel tube bundle composite shear wall was put forward. Seven steel tube bundle composite shear walls were tested under cycle load, and their hysteretic curves and skeleton curves were analyzed. The deformation property and strain performance of walls as well as their failure modes under different stages were researched. Based on the experiments, the mechanical property of the composite shear wall was simulated by ABAQUS. Research results showed that the steel tube bundle composite shear wall had high bearing capacity and good seismic performance. In order to compare their bearing mode, different parameters including the section of steel tube bundle, the thickness of steel plate, the shear span ratio and whether the stud was decorated were analyzed. Experiment phenomenon, stress-strain analysis and finite element simulation showed that the eventual damage of the specimens usually came from the compression buckling or tension torn of the steel plate and the concrete crushing at the lower part of the walls.
Key words
steel tube bundle composite shear wall /
experimental study /
deformation analysis /
failure mode /
finite element analysis
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