A Practical Approach to Selection of Waterline Materials for Use in Expansive Soilsby Dean M. White, ATEC Associates Inc, Denver, CO, USA,
Mark A. Swatek, ATEC Associates Inc, Denver, CO, USA,
Abstract: The authors previously investigated the performance of asbestos-cement, polyvinyl chloride and ductile iron pipe in the expansive soil environment. Expansive soil forces on the pipe were analyzed and criteria were developed to aid in the selection of pipe materials to avoid failure due to these forces in the bending mode. The pipe selection criteria for expansive soils have now been cross indexed against soil corrosion criteria and a grid has been prepared to aid in the selection of water pipe materials. Using the pipe selection charts when working in expansive/corrosive soils will assist in reducing many of the problems associated with selection of pipe materials by providing an evaluation system combining the two critical pipe design criteria.
Subject Headings: Expansive soils | Soil water | Pipe materials | Water pipelines | Soil analysis | Failure analysis | Material failures
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