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Permanent Basement Wall Convergence Method Using a PHC Pile

PHC 파일을 이용한 영구벽체 융합 공법

  • Received : 2015.10.19
  • Accepted : 2015.12.20
  • Published : 2015.12.31

Abstract

This study was intended to suggest a new-concept construction method of permanent basement wall combined with earth retaining wall by using PHC piles to overcome the disadvantages of conventional CIP methods or the like which have been used just for earth retaining walls during field construction, and to determine its applicability. PHC piles are characterized by the reliable quality attributed to prefabrication (shop fabrication) as well as superior concrete strength and prestressing steel strength to that of CIP in the aspect of materials, and also higher bending moment than that of CIP in the aspect of structure.

본 연구는 기존의 가설 흙막이 벽으로만 사용되는 현장제조 CIP를 기성제 PHC 파일로 대체하여 흙막이 겸 영구벽체로 사용하는 융합 공법을 제안하고 적용가능성을 확인하였다. PHC파일은 공장제작으로 품질을 믿을 수 있으며 재료적으로 콘크리트 강도나 긴장재의 인장응력이 CIP에 비해 우수하고 구조적으로도 큰 휨내력을 가지고 있다. 이러한 장점을 기진 PHC파일을 이용한 영구벽체 공법은 기존의 가설 흙막이 공법과 비교하면 시공이 간편하고 경제적이며 현장타설이 최소화되어 공기단축이 가능하다. 또한 공장제작을 통해 균질한 구조성능을 얻을 수 있고 흙막이와 지하외벽이 이중 시공되지 않으므로 공간활용 측면에서도 유리한 장점이 있는 것으로 나타났다.

Keywords

References

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