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Author

Shin, Myoungsu
Sustainable Structural Systems Lab
Research Interests
  • Seismic design, Tall buildings, High performance composites, Non-destructive evaluation

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고성능 섬유 보강 시멘트 복합체(HPFRCC)를 적용한 세장한 연결보의 내진거동 평가

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Title
고성능 섬유 보강 시멘트 복합체(HPFRCC)를 적용한 세장한 연결보의 내진거동 평가
Other Titles
Seismic Behavior of Slender Coupling Beams Constructed with High-Performance Fiber Reinforced Cementitious Composite
Author
Han, Sang WhanKwon, Hyun WookShin, MyoungsuLee, Ki HakCho, Young Wook
Keywords
Coupling beam; Diagonal reinforcement; HPFRCC; Hysteretic behavior; Transverse reinforcement; Experiment
Issue Date
201311
Publisher
한국지진공학회
Citation
한국지진공학회논문집, v.17, no.6, pp.217 - 224
Abstract
The hysteretic behavior of diagonal reinforced coupling beams is excellent during earthquakes. However, construction of the diagonal reinforced coupling beams is difficult due to complex reinforcement details required by current code procedures (ACI 318-11). Due to the detail requirement, reinforcement congestion and interference among transverse reinforcement always occur during construction field. When the aspect ratio of the beam is large, the interference of reinforcement becomes more serious. The objective of this paper is to simplify the reinforcement details of slender coupling beams by reducing transverse reinforcement around the beam perimeter. For this purpose, high- performance fiber reinforced cementitious composites are used for making coupling beams. Experiments were conducted using three specimens having aspect ratio 3.5. Test results showed that HPFRCC coupling beams with half the transverse reinforcement required by ACI 318-11 provided identical seismic capacities to the corresponding coupling beams having requirement satisfying the requirement specified in ACI 318-11.
URI
http://scholarworks.unist.ac.kr/handle/201301/4006
DOI
http://dx.doi.org/10.5000/EESK.2013.17.6.271
ISSN
1226-525X
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