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Jongkwon Choi on Muck Rack

Jongkwon Choi

As seen in: MDPI, Concrete International
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Articles

Strength and Serviceability of Shear-Critical Post-Tensioned Girders (Open Source)

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By Sangyoung Han, Jarrod Zaborac, Jongkwon Choi
| Concrete International
Title: Strength and Serviceability of Shear-Critical Post-Tensioned Girders (Open Source) Author(s): Publication: Structural Journal Volume: 121 Issue: 5 Appears on pages(s): 19-36 Keywords: AASHTO LRFD; flexible filler; post-tensioned concrete member; post-tensioning; prestressed I-girder; shear; spliced precast girder. DOI: 10.14359/51740847 Date: Abstract:
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Active SMA Fibers’ Effect on the Pullout Behavior of a Steel Bar Embedded in Concrete

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By Eunsoo Choi, Bui Nhan, Bui Viet Thanh, Bùi Thành, Jongkwon Choi
| MDPI
1. Introduction The performance of bond behavior between steel bars and concrete depends mainly on the following three factors: chemical adhesion, friction, and mechanical interlock [1]. Over the past few decades, a series of studies have discovered the technique for improving the bond behavior of bars inside concrete. One of the most effective approaches was shown to be adding appropriate fiber volume fractions to the concrete matrix [2,3,4,5]. In this regard, Harajli et al.
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