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Performance assessment of advanced hollow RC bridge column sections
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  • Journal title : Computers and Concrete
  • Volume 16, Issue 5,  2015, pp.703-722
  • Publisher : Techno-Press
  • DOI : 10.12989/cac.2015.16.5.703
 Title & Authors
Performance assessment of advanced hollow RC bridge column sections
Kim, T.H.; Kim, H.Y.; Lee, S.H.; Lee, J.H.; Shin, H.M.;
This study investigates the performance of advanced hollow reinforced concrete (RC) bridge column sections with triangular reinforcement details. Hollow column sections are based on economic considerations of cost savings associated with reduced material and design moments, as against increased construction complexity, and hence increased labor costs. The proposed innovative reinforcement details are economically feasible and rational, and facilitate shorter construction periods. We tested a model of advanced hollow column sections under quasi-static monotonic loading. The results showed that the proposed triangular reinforcement details were equal to the existing reinforcement details, in terms of the required performance. We used a computer program, Reinforced Concrete Analysis in Higher Evaluation System Technology (RCAHEST), for analysis of the RC structures; and adopted a modified lateral confining effect model for the advanced hollow bridge column sections. Our study documents the testing of hollow RC bridge column sections with innovative reinforcement details, and presents conclusions based on the experimental and analytical findings. Additional full-scale experimental research is needed to refine and confirm the design details, especially for the actual detailing employed in the field.
performance;hollow;column sections;triangular reinforcement details;cost savings;construction periods;
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