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

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Behavior of high-performance fiber-reinforced cement composite columns subjected to horizontal biaxial and axial loads

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Title
Behavior of high-performance fiber-reinforced cement composite columns subjected to horizontal biaxial and axial loads
Author
Quang, Khai MaiPhuoc, V.B. PhuocHan, Sang WhanShin, MyoungsuLee, Kihak
Issue Date
2016-03
Publisher
ELSEVIER SCI LTD
Citation
CONSTRUCTION AND BUILDING MATERIALS, v.106, pp.89 - 101
Abstract
Current design in the ACI building code for reinforced concrete columns under seismic load combinations requires reinforced detailing which causes reinforcement congestion and construction difficulties. As an alternative solution, the use of high-performance fiber-reinforced cement composites (HPFRCC) with an economical type of Poly Vinyl Alcohol (PVA) fibers in column elements was investigated in this paper. Six column specimens with 2/3 scale including three standard reinforced columns and three columns using PVA fibers were tested. In the research work herein presented, biaxial cyclic lateral loads were applied to specimens subjected to either 10% or 30% constant axial loads. The experimental results are presented and the global behaviors of the tested columns are discussed, particularly focusing on stiffness and strength degradations due to increasing cyclic demand. Test results indicated superior damage tolerance and stable inelastic load-displacement responses up to 5% or 9% drift for the HPFRCC columns, even though they suffered severe shear cracks. Specimens without PVA all showed very limited ductility and low strengths. © 2015 Elsevier Ltd. All rights reserved
URI
https://scholarworks.unist.ac.kr/handle/201301/18027
URL
http://www.sciencedirect.com/science/article/pii/S0950061815307595
DOI
10.1016/j.conbuildmat.2015.12.087
ISSN
0950-0618
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