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. (1392). EXPERIMENTAL AND NUMERICAL ASSESSMENT OF FRP STIRRUPS DISTANCE ON CYCLIC BEHAVIOR OF RC JOINTS. , 37(C+), 367-381. doi: 10.22099/ijstc.2013.1793
. "EXPERIMENTAL AND NUMERICAL ASSESSMENT OF FRP STIRRUPS DISTANCE ON CYCLIC BEHAVIOR OF RC JOINTS". , 37, C+, 1392, 367-381. doi: 10.22099/ijstc.2013.1793
. (1392). 'EXPERIMENTAL AND NUMERICAL ASSESSMENT OF FRP STIRRUPS DISTANCE ON CYCLIC BEHAVIOR OF RC JOINTS', , 37(C+), pp. 367-381. doi: 10.22099/ijstc.2013.1793
. EXPERIMENTAL AND NUMERICAL ASSESSMENT OF FRP STIRRUPS DISTANCE ON CYCLIC BEHAVIOR OF RC JOINTS. , 1392; 37(C+): 367-381. doi: 10.22099/ijstc.2013.1793

EXPERIMENTAL AND NUMERICAL ASSESSMENT OF FRP STIRRUPS DISTANCE ON CYCLIC BEHAVIOR OF RC JOINTS

Iranian Journal of Science and Technology Transactions of Civil Engineering
شناسنامه علمی شماره، دوره 37، C+، اسفند 2013، صفحه 367-381    اصل مقاله (1.81 M)
شناسه دیجیتال (DOI): 10.22099/ijstc.2013.1793
چکیده
Many reinforced concrete structures are exposed to corrosive environment which can
lead to damage of the reinforcing steels. These members include coastal structures subjected to
wind-born salt spray and seawater, as well as bridges beams and decks subjected to deicing salt.
Design engineers should prevent the deterioration of reinforcing steel, especially transverse
stirrups. Using FRP materials in new concrete members has attracted researchers’ interests due to
FRP high resistance against corrosion. Distance of FRP stirrups plays a key role in the cyclic
behavior of joints and energy absorption magnitude. In this study, experimental and finite element
investigations have been studied to assess the effects of stirrup distances on the cyclic behavior of
concrete joints. In the experimental study, two half-scale concrete joints with the same beam and
column dimensions and longitudinal steel reinforcing characteristics but different distance of
transverse FRP stirrups were tested under cyclic loading. Besides presenting and analyzing the
main results and photographs of the experimental tests, the made ANSYS finite element models
were compared and validated with these tests. Moreover, the distances of FRP stirrups were varied
in finite element models. According to experimental and finite element method results, the joints
with congested stirrups had not only higher ductility and energy dissipation, but also had
additional capacity, as much as 12% relative to the non-ductile joint with wider distance stirrups.
کلیدواژه‌ها
Concrete joint؛ FRP stirrup؛ Finite element method؛ ductility؛ cyclic behavior؛ experimental results
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