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Computers and Concrete Volume 13, Number 4, April 2014 , pages 501-516 DOI: https://doi.org/10.12989/cac.2014.13.4.501 |
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Performance assessment of precast concrete pier cap system |
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T.H. Kim, Y.J. Kim and H.M. Shin
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| Abstract | ||
| The purpose of this study was to investigate the performance of precast concrete pier cap system. The proposed precast pier cap provides an alternative to current cast-in-place systems, particularly for projects in which a reduced construction time is desired. Five large-scale pier cap specimens were constructed and tested under quasistatic monotonic loading. The computer program, RCAHEST (Reinforced Concrete Analysis in Higher Evaluation System Technology) was used for the analysis of reinforced concrete structures. A bonded tendon element is used based on the finite element method, and can represent the interaction between the tendon and concrete of a prestressed concrete member. A joint element is used in order to predict the inelastic behaviors of segmental joints with a shear key. This study documents the testing of the precast concrete pier cap system under monotonic loading and presents conclusions and design recommendations based on the experimental and analytical findings. Additional full-scale experimental research is needed to refine and confirm design details, especially for actual detailing employed in the field. | ||
| Key Words | ||
| performance; precast concrete pier cap; construction time; quasistatic; computer program | ||
| Address | ||
| T.H. Kim: Construction Product Technology Team, Samsung Construction & Trading Corporation, 5th Fl., Daerung Gangnam Tower, 826-20 Yeoksam1-dong, Gangnam-gu, Seoul 135-935, Korea Y.J. Kim: Civil Engineering Research Team, Daewoo Institute of Construction Technology, 60 Songjuk-dong, Jangan-gu, Suwon-si, Gyeonggi-do, 440-210, Korea H.M. Shin: School of Civil and Architectural Engineering, Sungkyunkwan University, 300 Cheoncheon-dong, Jangan-gu, Suwon-si, Gyeonggi-do, 440-746, Korea | ||