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Prefabricated double skin composite shear walls (DSCWs) are constructed using factory-made standard steel-plate components that are assembled on-site before concrete pouring. In this study, the use of steel-plate high-strength bolt connectors to form vertical-joint-connected semi-rigid T-shaped DSCWs was considered. Three semi-rigid T-shaped DSCWs with different wall limb layout types were designed and subjected to quasi-static tests. Their damage patterns and hysteresis properties were investigated. The results showed that the ultimate damage to the semi-rigid T-shaped DSCWs typically involved bulging of the bottom steel plate, crushing of concrete, tearing of steel welds, and shearing of connection bolts. The seismic performance of the T-shaped semirigid DSCWs was notable; the average ductility coefficient was 3.83. An equation for calculating bending capacity was also developed. The values obtained from the flexural capacity equation closely matched the test results, and the relationship between the flexural capacity and the connection degree was determined. Finally, it is recommended that the connection degree be selected between 0.45 and 0.65 for engineering applications.
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KSCE JOURNAL OF CIVIL ENGINEERING
ISSN: 1226-7988
Year: 2025
Issue: 7
Volume: 29
2 . 2 0 0
JCR@2022
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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