한국지반공학회:학술대회논문집 (Proceedings of the Korean Geotechical Society Conference)

한국지반공학회 (Korean Geotechnical Society)
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전면 벽체-보강재 연결강도 평가방법의 문제점 및 개선 방향

Problem of Evaluation Methods on the Wall Facing-Geosynthetics Connection Strength and Its Improvement

  • 홍기권 (중앙대학교 토목공학과) ;
  • 신주옥 (중앙대학교 토목공학과) ;
  • 한중근 (중앙대학교 건설환경공학과) ;
  • 조삼덕 (한국건설기술연구원 토질및기초연구) ;
  • 이광우 (한국건설기술연구원 토질및기초연구)
  • Hong, Ki-Kwon (Dept. of Civil Engineering, Chung-Ang University) ;
  • Shin, Ju-Oek (Dept. of Civil Engineering, Chung-Ang University) ;
  • Han, Jung-Geun (Dept. of Civil & Environmental Engineering, Chung-Ang University) ;
  • Cho, Sam-Deok (Earth Structure & Foundation Engineering Research Division, KICT) ;
  • Lee, Kwang-Wu (Earth Structure & Foundation Engineering Research Division, KICT)
  • 발행 : 2008.10.10
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초록

The use of geosynthetics for the reinforced earth wall system has been increasing rapidly for a number of years. The connection strength between wall facing and geosynthetics should be evaluated in the design of geosynthetics. However, the connection strength is not often evaluate, exactly, and it causes problems such as deformation of the wall facing, local failure of the reinforced earth wall system, conservative design and so on. Therefore, the connection strength in the design of geosynthetics should be applied evaluation result by reasonable method. This study is evaluated connection strength using the typical design method, NCMA(1997) and FHWA(1996), in the field case. Then the results compared with the evaluation results of connection strength, which is suggested by Soong & Koener(1997). The analysis results confirmed that the connection strength for the design of geosynthetics should be evaluate using reasonable method with considering various factor, such as safety factor, installation and importance of construction.

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