Development and Performance Evaluation of Rotational Strut Segment for Releasing Stress when uninstalled

버팀보 해체시 안전성 확보를 위한 응력 해제용 굴절지지대 개발 및 성능 평가

  • 박철용 (쌍용건설 주식회사 건축기술팀) ;
  • 구일근 (주식회사 피에스테크) ;
  • 김현숙 (주식회사 피에스테크) ;
  • 양지연 (주식회사 한라) ;
  • 김형오 (주식회사 제일엔지니어링종합건축사사무소)
  • Published : 2018.05.16

Abstract

Preloading Strut applied during installation of the wall jack, but additionally serves to minimize the displacement of soil pressure acting upon dissolution due to the difficulty. In this study, we developed an index of support for the release of stress to facilitate the dismantling of the strut uninstall. The refractive support the axial force acting on the strut are supportable, is refracted at minimum load, disassembly should be easy. In order to find the optimal shape and structural stability of the refractive support We have performed the numerical analysis and performance test to determine the final model. We carried out model tests and UTM test in order to understand the refractive performance and durability of the refractive support for optimal model. Results of the test UTM is refracted all shot 5 times within a target hit number, it was found that there is no problem of the refractive performance. Further, the results of model experiments, it was found that to ensure sufficient durability more than the performance target value of the pin joint support structure.

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