Vertical Seam Effect on Seismic Performance of Reinforced Concrete Squat Shear Walls with Rectangular Cross-Section

Hae Jun Yang; Hyun Do Yun

doi:10.4028/www.scientific.net/AMR.663.159

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 663Vertical Seam Effect on Seismic Performance of...

Vertical Seam Effect on Seismic Performance of Reinforced Concrete Squat Shear Walls with Rectangular Cross-Section

Abstract:

In this study, two reinforced concrete (RC) squat shear walls with height-to-length ratio of 0.55 and non-ductile reinforcement details are tested under reversed cyclic loading. Emphasis of the study is placed on the hysteretic behavior and cracking procedure of RC squat shear walls in accordance with the presence and absence of vertical seam on the wall panel. Two specimens had the same rectangular cross-section of 1,100 x 50mm, with wall panel heights of 600mm. To investigate the effect of vertical seams on the wall panel on the structural behavior of shear wall, one wall (CON-S) with three vertical seams with dimension of 260 x 40mm was made and the other (CON-N) was a solid wall without seams. The test results indicated that a squat shear wall with vertical seams exhibited more stable hysteretic behavior than a solid shear wall. Vertical seams on the wall panel improve the ductility and energy dissipation capacity but decrease the maximum strength of RC non-ductile squat shear wall.