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http://dx.doi.org/10.5762/KAIS.2016.17.3.16

An Experimental Study for Failure Behavior of Composite Beams with DFRCC and FRP Plank with Rib  

Kang, Ga-Ram (Department of Civil Engineering, Catholic Kwandong University)
Yoo, Seung-Woon (Department of Civil Engineering, Catholic Kwandong University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.17, no.3, 2016 , pp. 16-23 More about this Journal
Abstract
DFRCC (ductile fiber reinforced cementitious composites), which are a significantly improved ductile material compared to conventional concrete, were evaluated as a new construction material with a high potential applications to concrete structures for a range of purposes. In this study, experiments on the failure behavior of composite beams with a DFRCC and FRP (fiber reinforced polymer) plank with a rib used as permanent formwork and tensile reinforcement were carried out. A normal concrete and a fiber reinforced concrete with PVA series of RF4000 and the PP series of PP-macro were used for comparison, and each RF4000+RSC15 and PP-macro+RSC15 was tested by producing composite beams. The experimental results of the FRP plank without a sand coating showed that sliding failure mode between the FRP plank and concrete started from a flexural crack at the beam center; therefore it is necessary for the FRP plank to be coated with sand and the effect of the fiber to failure mode did not appear to be huge. The experiment of the FRP plank with a sand coating showed that both 1200mm and 2000mm allowed sufficient bonding between the concrete and FRP plank. The maximum load of the fiber reinforced concrete was higher than that of normal concrete and the case which a series of PP fiber was mixed showed the highest value. The crack latency caused by the fibers led to composite action with a FRP rib.
Keywords
DFRCC; Fiber; FRP plank; Permanent formwork; Rib; Tensile reinforcement;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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