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Experimental Studies on Bond and Splice Performance of Splice Sleeve for Connecting Rebar

철근연결용 스플라이스 슬리브의 이음 및 부착성능에 대한 실험적 연구

  • Kang, Duk Man (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Park, Yong Gul (Graduate School of Railway, Seoul National University of Science & Technology) ;
  • Lee, Hyeon Gi (Dept. of Civil Engineering, Gyeongnam National University of Science & Technology) ;
  • Moon, Do Young (Dept. of Civil Engineering, Kyungsung University)
  • Received : 2017.04.06
  • Accepted : 2017.04.19
  • Published : 2017.04.30

Abstract

The PC (Precast Concrete) construction method is a technique where concrete members that have been produced in a plant are constructed on site. Thus, continuity and secure integration of a structure that can be obtained by connecting rebars at splicing joint for PC members are the main areas of concern for this method. To evaluate the splicing and bonding performance according to application of a splice sleeve for connecting rebar in this research study, the diameter of rebar, development length, grouting strength etc. were set as variables. The performance and stiffness of splicing according to the development length of grout strength were measured and evaluated. In addition, by conducting comparative analysis on each of the variables, the factors that affected the splice sleeve for connecting rebar were discussed. The results confirmed that the strength and stiffness of the splice sleeve for connecting rebar were significantly affected by the development length while the increase in performance according to grout strength was not as significant.

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