Field Test on Rigidities of Piers in High-speed Railway

고속전철 교각의 강성도 산정을 위한 현장실험

  • 진원종 (한국건설기술연구원 구조시스템그룹 연구원) ;
  • 곽종원 (한국건설기술연구원 구조시스템그룹) ;
  • 김병석 (한국건설기술연구원 구조시스템그룹장) ;
  • 박성용 (한국건설기술연구원 구조시스템그룹 연구원)
  • Published : 2000.10.01

Abstract

The rigidity of pier is important in the analysis of rail on high speed railway bridges. This study is being performed because of followings. 1) Actual longitudinal stiffness of the structure including substructure should be considered in the calculation of longitudinal stresses in rails. 2) There are many uncertainties in piers and foundations for design. 3) Actual guideline for the design of piers is necessary. 4) Measurement on the rigidity of pier according to the types of pier, foundation and soil-condition is needed. Curve for rigidity will be obtained through this study and applied for actual design as the guideline. Stresses in rails can be estimates accurately. A pair of piers, which consists of pot-bearing for fixed support and pad-bearing for movable support, is loaded by steel frame through steel wire ropes. The responses which are intended to measure in the field test are displacements, forces and tilts on the top of piers.

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