Journal of the Korean Geotechnical Society (한국지반공학회논문집)

Korean Geotechnical Society (한국지반공학회)
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Performance Evaluation of Buried Concrete Pipe under Heavy Traffic Load

교통하중하의 지하 매설관의 거동 평가

  • Ban, Hoki (Dept. of Civil and Environmental Engrg., Hanyang Univ.) ;
  • Park, Seong-Wan (Dept. of Civil & Environmental Engineering, Dankook Univ.) ;
  • Kim, Yong-Rak (Dept. of Civil Engrg., Univ. of Nebraska at Lincoln)
  • 반호기 (한양대학교 건설환경공학과) ;
  • 박성완 (단국대학교 토목환경공학과) ;
  • 김용락 (미국 네브라스카 주립대학교 토목공학과)
  • Received : 2013.09.05
  • Accepted : 2013.12.12
  • Published : 2013.12.31
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Abstract

Pipeline is very important infrastructure which is directly related to our daily life. Nevertheless, it is not considered significantly unless it breaks. As most pipelines are buried at a certain depth from the surface of road pavement in urban areas, they are subjected to traffic load. This paper presents the performance of buried concrete pipe under heavy traffic load. Hence, one of the major factors affecting their performance is burial depth. To consider this factor, the ratio of burial depth (H) to diameter of pipe (D) was defined as a key variable. The integrity of buried concrete pipe was investigated with two cases of ratio of burial depth to pipe diameter (H/D=2 and H/D=4). The results provide the limit burial depth to ensure the soundness of buried concrete pipe subjected to heavy traffic load, and more economical design is anticipated with the results.

지하 매설관은 우리의 일상생활과 매우 밀접하지만 일반적으로 붕괴로 인한 피해가 발생하기 전에는 그 중요성에 둔감한 편이다. 대부분의 매설관은 도로포장체 아래에 매설되어 있어 외부하중으로는 주로 교통하중을 받는다. 본 연구에서는 이러한 교통하중을 받는 지하 매설관의 거동에 대해 살펴보았다. 지하 매설관의 거동에 영향을 미치는 인자는 여러 가지가 있지만, 본 연구에서는 매설 깊이(H)와 매설관의 직경(D)의 비를 가장 중요한 인자로 보고 연구를 수행하였다. 두 가지 경우의 매설 깊이에 대한 매설관 직경 비에 따른 매설관의 건전성을 살펴보았다. 결과를 바탕으로 매설관의 건전성을 확보할 수 있는 매설깊이를 결정할 수 있었으며, 보다 경계적인 매설관 설계를 할 수 있을 것으로 기대된다.

Keywords

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