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http://dx.doi.org/10.7734/COSEIK.2018.31.1.39

Development and Analysis of Unbonded Post-tensioned Anchorage for Single Tendon  

Lee, Young Hak (Department of Architecture Engineering, Kyung Hee Univ.)
Cho, Yong Woo (Department of Architecture Engineering, Kyung Hee Univ.)
Kim, Min Sook (Department of Architecture Engineering, Kyung Hee Univ.)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.31, no.1, 2018 , pp. 39-46 More about this Journal
Abstract
In this paper, an unbonded post-tensioning anchorage for a single-stranded wire that allows more efficient stress distribution in the post-tensioned anchorage zone was developed by using a finite element analysis using a commercial program. The stress analysis was carried out using a 3D model in the anchorage zone of the concrete member using the developed anchorage. The result of analysis ensured that the developed anchorage reduced the maximum bursting stress in anchorage zone compared to the case of existing anchorage and the location where maximum bursting stress also occurred closer to the anchorage. Bursting force was calculated using AASHTO, modified $M{\ddot{o}}rsch$ and Stone. As a result, it was concluded that an effective reinforcement design of the anchorage zone can be designed by modified $M{\ddot{o}}rsch$.
Keywords
unbonded; single tendon; post-tensioning; anchorage; stress analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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