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CLC number: TU311.3, TU973

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Received: 1999-08-22

Revision Accepted: 2000-07-15

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Journal of Zhejiang University SCIENCE A 2000 Vol.1 No.4 P.414-420

http://doi.org/10.1631/jzus.2000.0414


ANALYSIS OF VERTICAL PRESSURE ON BURIED PIPELINE WITH CASE STUDY


Author(s):  CHEN Ren-peng, CHEN Yun-min, LING Dao-shen

Affiliation(s):  Geotechnical Engineering Institute, Dept.of Civil Engineering of Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   crp@civil.zju.edu.cn

Key Words:  pipeline, vertical pressure, failure, case study


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CHEN Ren-peng, CHEN Yun-min, LING Dao-shen. ANALYSIS OF VERTICAL PRESSURE ON BURIED PIPELINE WITH CASE STUDY[J]. Journal of Zhejiang University Science A, 2000, 1(4): 414-420.

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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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1]Gu, A.Q., 1981. Investigation of the vertical earth pressure on projection conduit and underground chamber under a high embankment. Chinese Journal of Geotechnical Engineering. 3(1): 3-15.

[2]Marston, A., Anderson, A.O., 1913. The theory of loads on pipes in ditch and tests of cement and clay drain title and sewer pipe. Bulletin No.31, Iowa, Eng. Expt. Sta.

[3]Zeng, G.X., 1960, Study on the vertical pressure on the pipeline under an earth dam. Journal of Zhejiang University, 5(1):79-97.

[4]Zhang, C.W., Chen, R., Zhang, S.R., 1991. Study on dynamic characteristics of the interaction between the soil and large reinforced concrete ditch conduit. Chinese Journal of Geotechnical Engineering. 13(4): 24-32.

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