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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2000, Vol. 1 Issue (4): 414-420    DOI: 10.1631/jzus.2000.0414
Science & Engineering     
ANALYSIS OF VERTICAL PRESSURE ON BURIED PIPELINE WITH CASE STUDY
CHEN Ren-peng, CHEN Yun-min, LING Dao-shen
Geotechnical Engineering Institute, Dept.of Civil Engineering of Zhejiang University, Hangzhou 310027, China
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Abstract  This paper introduces a formula for the vertical pressure on a buried pipeline by using a modification of the basic assumptions of Marston\'s theory. The fill\'s cohesion is considered. The included angle between the slide surface above the pipeline and the horizontal surface is assumed to be equal to the fill\'s angle of friction. The friction is calculated by multiplying the active earth pressure on the outer column and the coefficient of the friction on the slide planes. It was found that the fill\'s cohesion had important influence on the vertical pressure, whose vertical pressure Cc decreases with increase of the fill depth, a relationship according with that observed in practice. At the end of the paper, the formula is employed to analyze a practical case.

Key words： pipeline      vertical pressure      failure      case study     
Received: 22 August 1999     
CLC:  TU311.3  
  TU973  
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CHEN Yun-min
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LING Dao-shen
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CHEN Ren-peng, CHEN Yun-min, LING Dao-shen. ANALYSIS OF VERTICAL PRESSURE ON BURIED PIPELINE WITH CASE STUDY. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2000, 1(4): 414-420.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2000.0414     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2000/V1/I4/414

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