Journal of the Korea Concrete Institute (콘크리트학회논문집)

Korea Concrete Institute (한국콘크리트학회)
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Evaluation of Shear Strength of Precast-prestressed Hollow Core Slabs Based on Experiments

실험을 통한 프리캐스트-프리스트레스트 중공슬래브의 전단강도

  • Han, Sang-Whan (Dept. of Architectural Engineering, Hanyang University) ;
  • Moon, Ki-Hoon (Dept. of Architectural Engineering, Hanyang University) ;
  • Kang, Dong-Hoon (Dept. of Architectural Engineering, Hanyang University) ;
  • Im, Ju-Hyeuk (Samsung C&T corporation, Residential Construction Team) ;
  • Kim, Young Nam (Samsung C&T corporation, Residential Construction Team)
  • Received : 2014.04.24
  • Accepted : 2014.08.01
  • Published : 2014.10.31
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Abstract

The weight of concrete could be reduced by using hollow core slabs instead of heavy solid slabs, leading to cost reduction. The long span be also achieved by introducing prestress in hollow core slabs. but the evaluation of shear strength of precast-prestressed hollow core slabs are needed because the cross section is reduced in web and arranging shear reinforcement is not possible. In this study, the shear strength of precast-prestressed hollow core slabs were evaluated based on experimental tests. For this purpose, six full scale specimens were made and tested. The shear strength of the specimens were compared with those evaluated from current design provision(EC2 ACI, EN1168 and AASHTO).

일반적인 슬래브대신에 중공슬래브를 사용함으로 콘크리트의 무게를 줄일 수 있으며 비용도 절감시킬 수 있다. 하지만 중공슬래브는 복부에서 콘크리트단면의 감소와 전단철근을 배근할 수 없기 때문에 전단에 대한 검토가 필요하다. 본 연구에서는 프리캐스트-프리스트레스트 중공슬래브를 실험을 기반으로 전단강도 평가를 수행하였다. 전단강도실험은 6개의 실험체를 제작하고 수행하였으며, 전단강도는 현행기준인 EC2, ACI, EN1168, AASHTO로 평가하여 비교분석하였다.

Keywords

References

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Cited by

  1. Flexural Capacity of Precast Concrete Triple Ribs Slab vol.28, pp.1, 2016, https://doi.org/10.4334/JKCI.2016.28.1.003