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Design of High Performance Reinforced Concrete Pile for Improvement of Seismic Performance

내진성능 향상을 위한 고성능 철근콘크리트 말뚝 설계에 관한 연구

  • Park, Chan Sik (Department of Technology, Korea Road Association) ;
  • Cho, Jeong-Rae (Seismic Safety Research Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Young Jin (Seismic Safety Research Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Chin, Won Jong (Seismic Safety Research Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Yoon, Hyejin (Seismic Safety Research Center, Korea Institute of Civil Engineering and Building Technology) ;
  • Choi, Myung Kyu (Concrete Pile Business Division, Daelim C&S Co., Ltd.)
  • 박찬식 (한국도로협회 기술연구센터) ;
  • 조정래 (한국건설기술연구원 지진안전연구센터) ;
  • 김영진 (한국건설기술연구원 지진안전연구센터) ;
  • 진원종 (한국건설기술연구원 지진안전연구센터) ;
  • 윤혜진 (한국건설기술연구원 지진안전연구센터) ;
  • 최명규 (대림씨엔에스(주) 파일사업부)
  • Received : 2019.02.26
  • Accepted : 2019.04.05
  • Published : 2019.05.01

Abstract

Recent changes in the construction method of piles to minimize noise, along with the development of high-strength reinforcement, have provided an economical high performance RC pile development to compensate for the disadvantages of existing PHC piles. In this study, a methodology for the development of cross - section details of high performance RC piles of various performances is presented by freely applying high strength steel and concrete. This study suggested a technique for calculating bending moments for a given axial force corresponding to the allowable crack widths and this can be used for serviceablity check. In calculating the design shear force, the existing design equation applicable to the rectangular or the I section was modified to be applicable to the hollow circular section. In particular, in the limit state design method, the shear force is calculated in proportion to the axial force, and the procedure for calculating PV diagram is established. Last, the section details are determined through PM diagrams that they have the similar flexural and axial-flexural performances of the PHC pile A, B and C types with a diameter of 500 mm. To facilitate the application of the selected standard sections to the practical tasks, the design PM diagram and design shear forces are proposed in accordance with the strength design method and limit state design method.

Keywords

References

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