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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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Cyclic Behavior of HPFRCC Coupling Beams with Bundled Diagonal Bars

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Title
Cyclic Behavior of HPFRCC Coupling Beams with Bundled Diagonal Bars
Author
Han, Sang WhanKang, Jin-WookJee, Hyun-WooShin, MyoungsuLee, Kihak
Keywords
coupled shear wall; coupling beam; diagonal reinforcement; high-performance fiber-reinforced cementitious composite
Issue Date
201805
Publisher
Springer Singapore
Citation
INTERNATIONAL JOURNAL OF CONCRETE STRUCTURES AND MATERIALS, v.12, no.4, pp.491 - 506
Abstract
Coupled shear walls are efficient in resisting lateral forces induced by winds and earthquakes. However, it is difficult to construct coupled shear walls particularly because current design codes require complex reinforcing details within coupling beams. The objective of this study was to develop simple reinforcement details for diagonally reinforced coupling beams; reducing transverse steel by use of high-performance fiber-reinforced cementitious composites (HPFRCCs) and bundling diagonal bars are explored. Four coupling beam specimens with length-to-depth aspect ratios of 2.0 or 3.5 were fabricated and tested under cyclic lateral displacements. The test results revealed that HPFRCC coupling beams with bundled diagonal bars and widely spaced transverse reinforcement (one-half the amount of reinforcement required by current seismic codes) exhibited excellent seismic performance compared with ordinary concrete coupling beams having code-required distributed diagonal reinforcement and transverse reinforcement.
URI
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DOI
http://dx.doi.org/10.1186/s40069-018-0271-6
ISSN
1976-0485
Appears in Collections:
UEE_Journal Papers
Files in This Item:
IJCSM V12 N4_May 2018_Table of Contents.pdfDownload

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