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Shin, Myoungsu
Sustainable Structural Systems Lab
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  • Seismic design, Tall buildings, High performance composites, Ultrasonic non-destructive evaluation technologies

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Behaviour of fibre-reinforced beams with diagonal reinforcement

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Title
Behaviour of fibre-reinforced beams with diagonal reinforcement
Author
Han, Sang WhanLee, Chang SeokKwon, Hyun WookLee, Ki HakShin, Myung Su
Issue Date
2015-12
Publisher
ICE PUBL
Citation
MAGAZINE OF CONCRETE RESEARCH, v.67, no.24, pp.1287 - 1300
Abstract
Diagonal reinforced coupling (DRC) beams can provide excellent strength, stiffness and energy dissipation capacities. However, fabricating DRC beams at construction sites is difficult due to reinforcement congestion and interference among the reinforcements due to the complex arrangement required by current design provisions. The objective of this study is to simplify the reinforcement details of DRC beams by reducing the transverse reinforcement around the beam perimeter that is required for the confinement of DRC beams. This is achieved by using high-performance fiber-reinforced cement composites (HPFRCC) for DRC beams. Experiments are conducted using six specimens under reversed cyclic loads to evaluate the hysteretic behaviours of the HPFRCC DRC beams. The test results show that the use of HPFRCC in DRC beams is very effective, providing a confinement effect with transverse reinforcement. HPFRCC DRC beams with half the transverse reinforcement required by ACI 318-11 provide almost identical energy dissipation capacities as concrete DRC beams detailed according to ACI 318-11
URI
https://scholarworks.unist.ac.kr/handle/201301/18007
URL
http://www.icevirtuallibrary.com/doi/full/10.1680/macr.14.00194
DOI
10.1680/macr.14.00194
ISSN
0024-9831
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