Journal of the Korea institute for structural maintenance and inspection (한국구조물진단유지관리공학회 논문집)

Korea Institute for Structural Maintenance Inspection (한국구조물진단유지관리공학회)
권호 표지
DOI QR코드

DOI QR Code

Evaluation of Bridge Load Carrying Capacity of PSC Girder Bridge using Pseudo-Static Load Test

의사정적재하시험을 이용한 PSC 거더교의 공용 내하력평가

  • 윤상귀 (인하대학교 토목공학과) ;
  • 신수봉 (인하대학교 사회인프라공학과)
  • Received : 2019.01.10
  • Accepted : 2019.02.27
  • Published : 2019.07.01
Download PDF
⟨ Previous Next ⟩

Abstract

In this study, a method for updating the finite element model of bridges with genetic algorithm using static displacement were presented, and verified this method using field test data for PSC girder bridge. As a field test, static load test and pseudo-static load test were conducted, and updated the finite element model of test bridge using each test data. Finally, evaluated the bridge load carrying capacity with updated model using pseudo-static load test's displacement data. To evaluate the bridge load carrying capacity, KHBDC-LSD, KHBDC and AASHTO LRFD's live load model were used, and compared the each results.

이 연구에서는 정적 변위를 사용하는 유전자 알고리즘을 이용한 교량의 유한요소해석모델 개선 기법을 제안하며, PSC 거더교를 대상으로 한 실증시험 데이터를 이용하여 제안된 방법을 검증하였다. 실증 재하시험으로 정적재하시험과 의사정적재하시험을 수행하였으며, 각 재하시험의 계측 데이터를 이용하여 대상교량의 유한요소해석모델 개선을 진행하였다. 최종적으로 의사정적재하시험의 계측 데이터를 통해 개선된 모델을 이용하여 공용 내하력평가를 수행하였다. 내하력평가에는 현 도로교설계기준과 구 도로교설계기준, AASHTO LRFD의 설계 활하중을 이용하였으며, 각 설계기준 별 내하력평가 결과를 비교하였다.

Keywords

References

  1. American Association of State Highway and Transportation Officials (2011), The manual for Bridge Evaluation 2nd Edition, Washington DC, United State of America.
  2. D. S. Jung, and C. Y. Kim (2006), Numerical Verification of hybrid Optimization Technique for Finite Element Model Updating, Journal of the Earthquake Engineering Society of Korea, 10, 19-28. https://doi.org/10.5000/EESK.2006.10.6.019
  3. J. C. Kim (2016), Development of a Mutation Operator of a Real-coded Genetic Algorithm for Model Updating of Existing Bridge (ph D dissertation), Inha University, Incheon, South Korea.
  4. Korea Concrete Institute (2010), Guidelines and Examples for Safety Assessment of Operating Concrete Bridge, Seoul, South Korea.
  5. Korea Infrastructure Safety and Technology Corporation (2017), The Guidelines for Safety Inspections and Full Safety Examinations, Jinju, South Korea.
  6. Korea Road Association (2015), Korean Highway Bridge Design Code (Limit State Design), Sejong, South Korea.
  7. O., Hasancebi, and T., Dumlumpinar (2013), Linear and Nonlinear model Updating of Reinforced Conrete T-beam Bridges using Artificial Neural Networks, Computers and Structures, 119, 1-11. https://doi.org/10.1016/j.compstruc.2012.12.017