Abstract
The goal behind this research is to highlight on structural system using composite steel plate shear wall, this approach is widely used in many countries, due to its desired features. Composite steel plate shear wall are often considered essential in design of building to resist seismic action. This paper discuss the effect of concrete strength on behavior of CSPW, for this objective one story one bay model with different compressive strength (25, 28 , 45, 50, 55, 65)MPa ,this model formed by finite element code which is advanced by university of Amirkabir. The accuracy of the representation of the model by numerical analysis, numerical result contrast with valid experiment which explain suitable agreement. Result show increasing the compressive strength would advance the cycle behavior. By contrast the result in elastic region, it was seen initial stiffness is not enhance by varying the compressive strength.
Highlights
Composite steel plate shear wall(CSPW) is lateral load resisting system used to resist lateral force represent by wind and earthquake
CSPW result from merging steel shear wall and concrete shear wall, in other meaning CSPW prevent buckling in steel plate and cracking in concrete wall
CSPW consist of infill steel plate and reinforced concrete wall on both side or one side of steel plate
Summary
Composite steel plate shear wall(CSPW) is lateral load resisting system used to resist lateral force represent by wind and earthquake. Proof of that does not have any study on the effect of concrete strength on cycle behavior of CSPW ,so in this paper by using finite element method four specimens of CSPW were modeled with gap 40 mm and concrete wall on one side of infill steel plate. The reinforced concrete cover on one side or both sides of a steel plate carries some of the story shear by improve compression diagonal field and increased strength and stiffens. 7. Comparing the Result for the Numerical and Excremental Model To construct validity of analyzed model of composite shear wall specimen (1000*2000 mm) on which the thickness of steel plate and concrete cover is 3 and 50 mm respectively, and height overall ratio to the span is 1/2. -800 displacement mm Figure 4: Comparing results of deformation-load in the numerical and experimental model for CSPW
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