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Underground Behaviour of Small Diameter Flexible Non-Pressure Pipes

J. Botha

This paper deals with the results of a number of field investigations on the underground behavior of small diameter flexible drains and sewers to evaluate the suitability of such pipes for installation under dubious backfill and compaction conditions. The investigations were carried out on UPVC pipe of 110 and 160 mm diameter and pitch fibre pipe of 150 mm diameter and the procedure included mainly diametrical deflection measurements, visual internal inspection, air testing and laboratory analysis of typical pipe and soil samples. The results are presented in the form of histograms and deflection characteristic curves, which conveniently illustrate the comparative deflection behavior of these pipes under various embedment conditions in relation to theoretical predictions.

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Underground Behaviour of Small Diameter Flexible Non-Pressure Pipes

J. Botha

This paper deals with the results of a number of field investigations on the underground behavior of small diameter flexible drains and sewers to evaluate the suitability of such pipes for installation under dubious backfill and compaction conditions. The investigations were carried out on UPVC pipe of 110 and 160 mm diameter and pitch fibre pipe of 150 mm diameter and the procedure included mainly diametrical deflection measurements, visual internal inspection, air testing and laboratory analysis of typical pipe and soil samples. The results are presented in the form of histograms and deflection characteristic curves, which conveniently illustrate the comparative deflection behavior of these pipes under various embedment conditions in relation to theoretical predictions.

Underground Behaviour of Small Diameter Flexible Non-Pressure Pipes

J. Botha

This paper deals with the results of a number of field investigations on the underground behavior of small diameter flexible drains and sewers to evaluate the suitability of such pipes for installation under dubious backfill and compaction conditions. The investigations were carried out on UPVC pipe of 110 and 160 mm diameter and pitch fibre pipe of 150 mm diameter and the procedure included mainly diametrical deflection measurements, visual internal inspection, air testing and laboratory analysis of typical pipe and soil samples. The results are presented in the form of histograms and deflection characteristic curves, which conveniently illustrate the comparative deflection behavior of these pipes under various embedment conditions in relation to theoretical predictions.

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Document information

Title:

Underground Behaviour of Small Diameter Flexible Non-Pressure Pipes

Contributors:

J. Botha (author)

Publication date:

1982

Size:

22 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Construction Equipment, Materials, & Supplies , Pipes(Tubes) , Subsurface structures , Loads(Forces) , Soil properties , Deformation , Field tests , Foreign technology , Soil pipe interactions

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