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contributor authorYuanli Wu
contributor authorShaohong Cheng
contributor authorAmr El-Ragaby
contributor authorAnil Mehta
date accessioned2017-12-30T13:04:44Z
date available2017-12-30T13:04:44Z
date issued2017
identifier other%28ASCE%29CC.1943-5614.0000718.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4245374
description abstractPrecast, prestressed hollow-core (PHC) slabs are widely used in floor and roof decks because of their economic benefits. Because no shear reinforcement can be provided because of fabrication restraints, designers have to opt for deeper profile or filling PHC slab cores with concrete when the load demand exceeds the limited concrete shear capacity of PHC slabs. This research project is exploring an innovative technique for strengthening the web-shear capacity of PHC slabs by bonding external fiber-reinforced polymer (FRP) sheets along the internal perimeter of the slab voids. Experimental testing and numerical simulation on full-scale single web, I-shaped beam specimens cut out longitudinally from full-width hollow-core slabs have been performed during the first phase of this research to investigate the feasibility and effectiveness of this new technique. The influence of several design parameters, including the length and the width of the strengthened zone, the thickness of applied FRP sheets, and the prestressing level of PHC, have been investigated. Results show that once the minimum required strengthened zone length and FRP sheet thickness are satisfied, the proposed novel shear strengthening technique would provide a considerable enhancement on the shear capacity and ductility to the strengthened specimens.
publisherAmerican Society of Civil Engineers
titleEffectiveness of a Novel Technique in Strengthening Web-Shear Capacity of Prestressed Hollow Core Slabs Using Externally Bonded FRP Sheets
typeJournal Paper
journal volume21
journal issue1
journal titleJournal of Composites for Construction
identifier doi10.1061/(ASCE)CC.1943-5614.0000718
page04016060
treeJournal of Composites for Construction:;2017:;Volume ( 021 ):;issue: 001
contenttypeFulltext


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