Pullout Resistance of Geosynthetic Strip with Rounded Band Anchor

수동저항부가 형성된 띠형 섬유보강재의 인발저항 특성

  • Lee, Kwang-Wu (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology) ;
  • Cho, Sam-Deok (Geotechnical Engineering & Tunnelling Research Division, Korea Institute of Construction Technology) ;
  • Han, Jung-Geun (Dept. of Civil & Environmental Engineering, Chung-Ang Univ.) ;
  • Hong, Ki-Kwon (Green Tech Ins., Chung-Ang Univ.)
  • 이광우 (한국건설기술연구원 지반연구실) ;
  • 조삼덕 (한국건설기술연구원 지반연구실) ;
  • 한중근 (중앙대학교 건설환경공학과) ;
  • 홍기권 (중앙대학교 그린테크연구소)
  • Received : 2011.08.19
  • Accepted : 2011.09.20
  • Published : 2011.09.30


This paper describes the results of pullout tests in the laboratory, which are conducted to assess the pullout performance of recently developed geosynthetic strip reinforcement with rounded band anchor. The geosynthetic strip can be used as reinforcements in reinforced soil wall with concrete block facing. The pullout resistance of the geosynthetic strip with rounded band anchor is mobilized by the combination of the interface friction between soil-reinforcement surface and the passive soil resistance caused by the rounded band anchor. Therefore, both the friction resistance and the passive resistance have to be considered in design. From the pullout test results, when the rounded band anchor are formed in the end part of the geosynthetic strip, pullout strength increases about from 10% to 65%. The passive resistance can be evaluated based on the pullout test results.


Supported by : 한국건설기술연구원


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