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Field Burial Tests of Corrugated Double Wall PVC Pipe

by Thomas P. Joseph, Armco Inc, Middletown, OH, USA,



Document Type: Proceeding Paper

Part of: Advances in Underground Pipeline Engineering

Abstract:

A new lightweight PVC pipe, consisting of a smooth inner wall and a corrugated outer wall, has been introduced in the U. S. sanitary sewer market in 4 through 10 in. diameters. Field burial tests were conducted to investigate its structural performance. Pipe deflections due to compaction of embedment soil were minor. All responses appear to have stabilized after 1 year with pipe ring deflections less than 3. 5% in all but the uncompacted clay condition. Predicted initial deflections by traditional methods agree fairly well with measurements. Based on 1 year data, long-term deflections are somewhat overestimated by traditional deflection lag concepts. Results show that this pipe installed as described in ASTM D 2321 will exhibit acceptable deflections.

Subject Headings: Plastic pipes | Field tests | Soil-pipe interaction | Pressure pipes | Compacted soils | Displacement (mechanics) | Walls

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