Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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Section Design and Flexural Strength of PUS Member Constructed by Continuous CIP System

연속 CIP 공법으로 형성된 PUS 부재의 단면 설계 및 휨 강도 산정

  • 김승훈 (한밭대학교 건축공학과) ;
  • 노삼영 (한양대학교 건축학부) ;
  • 홍성진 (한양대학교 대학원 건축환경공학과) ;
  • 김갑수 (한양대학교 대학원 건축환경공학과) ;
  • 한범석 (동부건설 기술연구소)
  • Received : 2011.10.06
  • Published : 2012.06.25
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Abstract

Recently the Permanent Uni-wall System (PUS) has been developed which improved the disadvantage of the CIP and could be used as permanent retaining wall. The sections of PUS members are molded with circle casing form and deformed casing form. In the generality of cases, deformed casing section consists of reinforced concrete because of the concrete cover by code and the method of concreting with tremie pipe. But, circle casing section can be designed with various structural types which are steel, reinforced concrete, and steel reinforced concrete(SRC). In this study, design methods for PUS section were proposed and two types of PUS section were tested to investigate the flexural strength and behaviors. Variable was the details of circle casing section which were the deformed bars and the shear reinforcements surrounded H beam. All specimens failed due to concrete crushing. Specimen with SRC section in circle casing showed more ductile behavior after ultimate flexural strength than the other specimen. Nominal flexural strengths by section analysis and design code based on a strain-compatibility approach were compared with test results. These comparisons showed that PUS section possessed the flexural strength by design code.

Keywords

Acknowledgement

Supported by : 동부건설, 현대산업개발, 홍지기술산업

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