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Enhancing performance of slab-column connections

Authors
Lee, Joo-HaYbon, Young-SooLee, Seung-HoonCook, William D.Mitchell, Denis
Issue Date
3월-2008
Publisher
ASCE-AMER SOC CIVIL ENGINEERS
Keywords
Columns; Concrete slabs; Connections; Punching; Shear strength; Steel fibers
Citation
JOURNAL OF STRUCTURAL ENGINEERING, v.134, no.3, pp.448 - 457
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF STRUCTURAL ENGINEERING
Volume
134
Number
3
Start Page
448
End Page
457
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123935
DOI
10.1061/(ASCE)0733-9445(2008)134:3(448)
ISSN
0733-9445
Abstract
The influence of concentrated reinforcement in the immediate column region, the use of high-strength concrete slabs, as well as using puddled fiber-reinforced high-strength concrete in the slab in a region close to the column were investigated. The slab concrete strengths of the specimens were 30, 35, 40, 55, 65, and 90 MPa. The performance of the slab-column specimens tested was investigated, including the punching shear capacity, cracking on the top of the slabs around the columns, and the stiffness of the slab-column connections. Predictions using different code equations are compared to the experimental results obtained from the slab-column connections tested in this study and those tested in other studies. The beneficial effects of using concentrated flexural reinforcement, high-strength concrete and puddled fiber-reinforced high-strength concrete are demonstrated.
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공과대학 (건축사회환경공학부)
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