Coefficients of Soil Reaction for Buried Flexible Conduits
Publication: Journal of Geotechnical Engineering
Volume 110, Issue 7
Abstract
A study is conducted to examine the parameters governing the coefficient of soil reaction normal to the surface of conduits as well as the coefficient tangential to the wall surface, and simple formulas are developed for their evaluation. Both circular and elliptical conduits are taken into consideration, as well as two types of soil, namely very dense and medium‐dense fillings. The coefficients of soil reaction are obtained by relating the results of internal force components and conduit deformations calculated with rigorous finite element analysis to equivalent results obtained from the system modeling of the problem. The results show that the coefficients of soil reaction vary considerably around the conduit. They are dependent on the span of conduit, the depth of soil and the direction of action.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Audibert, J., and Nyman, K., “Soil Restraint Against Horizontal Motion of Pipes,” Journal of Geotechnical Engineering Division, ASCE, Oct., 1977, pp. 1119–1143.
2.
Bowles, J. E., Analytical and Computer Methods in Foundation Engineering, McGraw‐Hill Book Co., New York, 1974.
3.
Duncan, J. H., and Chang, C. Y., “Nonlinear Analysis of Stress and Strain in Soils,” Journal of the Soil Mechanics and Foundations Division, ASCE, Vol. 96, No. SM5, Paper 7513, Sept., 1970, pp. 1629–1653.
4.
Flugge, W., Stresses in Shells, Springer‐Verlag, New York, 1973.
5.
Hafez, H., “Stability of Flexible Conduits under Shallow Cover,” thesis presented to the University of Windsor, at Windsor, Ontario, in 1981, in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
6.
Kloeppel, K., and Glock, D., “Theoretische und experimentelle untersuchungen zu den traglastproblemen biegeweicher,” in die Evde eigenbetten Rohre. Publ. No. 10, Institut fuer Statik and Stahlbau, T. H. Darmstadt, Germany, 1970.
7.
Katona, M. G., and Smith, J. M., “CANDE Users Manual,” Civil Engineering Laboratory, Naval Cons. Battalion Center, Port Hueneme, Calif., 1976.
8.
Luscher, U., “Buckling of Soil‐Surrounded Tubes,” Journal of Soil Mechanics and Foundations Division, ASCE, 1966, pp. 211–228.
9.
Meyerhoff, G. G., and Baike, L. D., “Strength of Steel Culvert Sheets Bearing Against Compacted Sand Backfill,” Highway Research Board, Proceedings of the 42nd Annual Meeting, 1963.
10.
Murphy, G., Similtude in Engineering, The Ronald Press Co., 1950.
11.
Okeagu, B. N., “Analysis and Stability of Large‐Span Flexible Conduits,” thesis presented to Michigan State University, at East Lansing, Mich., in 1982, in partial fulfillment of the requirements for the degree of Doctor of Philosophy.
12.
Szechy, K., “The Art of Tunnelling,” Akademiai Kaido, Budapest, 1973.
13.
Spangler, M. G., “Underground Conduits—An Appraisal of Modern Research,” Transactions, ASCE, Vol. 113, 1948, pp. 316–343.
14.
Terzaghi, K., “Evaluation of Coefficient of Subgrade Reaction,” Geotechnique, Vol. 5, 1955, pp. 297–326.
15.
Timoshenko, S., and Gere, J. M., Theory of Elastic Stability, McGraw‐Hill Book Company, New York, 1961.
16.
Vesic, A. S., “Beams on Elastic Subgrade, and the Winkler Hypothesis,” 5th International Conference of Soil Mechanics and Foundation Engineering, Vol. 1, pp. 845–850.
17.
Watkins, R. K., and Spangler, M. G., “Some Characteristics of the Modulus of Passive Resistance of Soil: A Study of Similitude,” Proceedings, Highway Research Board, Vol. 37, 1958, pp. 576–583.
18.
White, H. A., and Layer, J. P., “The Corrugated Metal Conduit as a Compression Ring,” Highway Research Board, Proceedings of the Annual Meeting, Vol. 39, 1960, pp. 389–397.
Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 110 • Issue 7 • July 1984
Pages: 908 - 922
Copyright
Copyright © 1984 ASCE.
History
Published online: Jul 1, 1984
Published in print: Jul 1984
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.