Shear Resistance of a Biaxial Hollow Composite Floor System with GFRP Plates
- Authors
- Ryu, Jaeho; Lee, Chang-Hwan; Oh, Jintak; Yoon, Sung-Won; Ju, Young K.
- Issue Date
- 2월-2017
- Publisher
- ASCE-AMER SOC CIVIL ENGINEERS
- Keywords
- Composite floor; Composite beam; Shear capacity; Biaxial hollow concrete slab; Glass fiber-reinforced plastic (GFRP) plate; Reduced story height; Metal and composite structures
- Citation
- JOURNAL OF STRUCTURAL ENGINEERING, v.143, no.2
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF STRUCTURAL ENGINEERING
- Volume
- 143
- Number
- 2
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/84509
- DOI
- 10.1061/(ASCE)ST.1943-541X.0001657
- ISSN
- 0733-9445
- Abstract
- A new composite floor system was developed to reduce floor-to-floor height and to improve structural capacity and fire resistance as compared with existing encased composite floor systems. The proposed system is composed of asymmetric steel beams with web openings, a biaxial hollow concrete slab, and glass fiber-reinforced plastic (GFRP) plates. The shear resistance of the typical composite beams is commonly determined based on the shear strength of the steel web alone. However, for the proposed system, because the steel web has several circular openings, the concrete contribution to the shear resistance should be included in the design equation. In this paper, tests and finite-element analyses were conducted to evaluate the contribution of the shear-resisting components in the proposed system. An asymmetric steel beam with web openings, inner concrete panels, and a biaxial hollow concrete slab within the effective width for shear were considered as shear-resisting components. Each component fully resisted the applied shear force, exceeding the expected value until failure, and the design equation suggested was suitable for predicting the shear strength of the proposed system. (C) 2016 American Society of Civil Engineers.
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Collections - College of Engineering > School of Civil, Environmental and Architectural Engineering > 1. Journal Articles
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