Development of Experimental Test Setup to Evaluate Abrasion Characteristics of Drainage Pipes
Publication: Journal of Irrigation and Drainage Engineering
Volume 133, Issue 3
Abstract
The longevity of drainage pipes is dependent on the material properties of the pipe, the surrounding load, the abrasive characteristics of the effluent, and the frequency, velocity, and quantity of the effluent that flows through the pipe. Each of these parameters has impacts on the age-related abrasive decrease in the wall thickness of the drainage pipe. Traditionally, the rotating pipe test is used to assess the vulnerability of drainage pipes to abrasion. To simulate more realistically the natural environment of drainage pipes, we designed an abrasion test that keeps the drainage pipe at variable slope with respect to the horizontal and continuously pumps abrasive slurry through the pipe for . The time dependent change in wall thickness of a cellulose fiber reinforced cement pipe was simultaneously compared to the change in wall thickness of a steel-reinforced concrete pipe. The wall thickness of the fiber reinforced cement pipe decreased approximately 5 times faster than the thickness of the steel-reinforced cement pipe.
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Acknowledgments
The financial support of the American Concrete Pipe Association and the National Science FoundationNSF is greatly acknowledged. The writers would like to express their appreciation to Dr. Ron Schachar for editing the revised manuscript of this paper.
References
Concrete Pipe Association of Australia (CPAA). (1987). “Abrasion resistance of concrete pipes.”
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Fisher, A. K., Bullen, F., and Beal, D. (2001). “The durability of cellulose fiber reinforced concrete pipes in sewage applications.” Cem. Concr. Res., 31, 543–553.
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U.S. Dept. of Transportation (USDOT). (1996). “Federal lands highway project development design manual.” FHWA-DF-88-003, Sec. 7.4.D, Federal Highway Administration, Washington, D.C.
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© 2007 ASCE.
History
Received: Apr 11, 2005
Accepted: Aug 7, 2006
Published online: Jun 1, 2007
Published in print: Jun 2007
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