A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental investigation of cyclic behavior of concrete-filled fiber reinforced polymer tubes
CFFT (concrete-filled FRP (fiber reinforced polymer) tubes) were suggested as columns or piles as an alternative to conventional RC (reinforced concrete) columns or prestressed concrete piles. The significance of the present research lies in its attempt at addressing and cataloging the member behavior of CFFT columns and piles in seismic regions. A total of six CFFT specimens were tested as simple span beam columns under constant axial loading and quasi-static reverse lateral loading in four point flexure. Three of the tubes were filament wound, whereas the other three were made using centrifuge casting with the majority of the fibers in the longitudinal direction. The following conclusions could be made from this study: Thick FRP tubes with the majority of the fibers in the longitudinal direction showed a brittle compression failure. Thin FRP tubes with off-axis fibers exhibited ductile tension failure resembling that of an underreinforced concrete member. A moderate amount of internal steel reinforcement in the range of 1-2 % may further improve the cyclic behavior of CFFT members.
Experimental investigation of cyclic behavior of concrete-filled fiber reinforced polymer tubes
CFFT (concrete-filled FRP (fiber reinforced polymer) tubes) were suggested as columns or piles as an alternative to conventional RC (reinforced concrete) columns or prestressed concrete piles. The significance of the present research lies in its attempt at addressing and cataloging the member behavior of CFFT columns and piles in seismic regions. A total of six CFFT specimens were tested as simple span beam columns under constant axial loading and quasi-static reverse lateral loading in four point flexure. Three of the tubes were filament wound, whereas the other three were made using centrifuge casting with the majority of the fibers in the longitudinal direction. The following conclusions could be made from this study: Thick FRP tubes with the majority of the fibers in the longitudinal direction showed a brittle compression failure. Thin FRP tubes with off-axis fibers exhibited ductile tension failure resembling that of an underreinforced concrete member. A moderate amount of internal steel reinforcement in the range of 1-2 % may further improve the cyclic behavior of CFFT members.
Experimental investigation of cyclic behavior of concrete-filled fiber reinforced polymer tubes
Experimentelle Untersuchung der zyklischen Belastung von betongefüllten Kunststoffrohren
Shao, Yutian (author) / Mirmiran, Amir (author)
Journal of Composites for Construction ; 9 ; 263-273
2005
11 Seiten, 12 Bilder, 4 Tabellen, 17 Quellen
Article (Journal)
English
Experimental Investigation of Cyclic Behavior of Concrete-Filled Fiber Reinforced Polymer Tubes
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