Numerical finite element parametric study to investigate the performance of SPSW in RC frame

Document Type : Research Article

Authors

1 Department of Civil Engineering, Structural engineering, Semnan University, Semnan, Iran

2 استاد دانشگاه سمنان

Abstract

Studies conducted on the performance of Steel Plate Shear Walls (SPSWs) indicate high stiffness, capacity, ductility and significant potential of energy absorption of this lateral seismic system. In this regard, using SPSWs in Reinforced Concrete (RC) structures has recently been considered by researchers. In this paper, two different connection types have been proposed and numerically investigated to connect SPSW to RC frame (RCF). In the first type connection, SPSW has been connected to RCF by a few studs through fish plates. However, in the second type, it has been connected to RCF by additional stirrups, which has been welded to the endplate. The behavior of connections has been evaluated using non-linear finite element analysis (NLFEA). A parametric study has been conducted on the thickness of SPSWs and the placement of studs and stirrups through the length of columns. Results of the specimens with different types of connections demonstrated that using both connection types leads to a prominent increase in stiffness and capacity comparing to the reference RCF. Investigating the placement of studs and stirrups showed that there is no need to use studs and stirrups in whole column height. Similar results can be obtained by connection in a length of 0.3 or 0.2 of the column clear height. The dual system behavior factor of special RCF with SPSW was estimated to be 8.

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References

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Amirkabir Journal of Civil Engineering
Volume 52, Issue 6
September 2020
Pages 1499-1520

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