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Polyvinyl chloride (PVC) pipe is a suitable product for sewer system construction. However, in the past, due to axial thrust load limitations and lack of a suitable joint it was not possible to use PVC pipe in microtunneling. In June 1992, a full-scale field test was conducted at Louisiana Tech University and a sewer PVC profile pipe was successfully installed with a new microtunneling propulsion system. The 24-inch plastic pipe with smooth joint used for this evaluation program was inspected after installation and was monitored for one year for effects of construction loads and long-term vertical soil loads. The details and results of this field testing will be discussed in this paper.
polyvinyl chloride (PVC) pipe, microtunneling, trenchless technology, pipe design, underground infrastructure, sewer pipe installation
Assistant Professor, Missouri Western State College, Saint Joseph, MO
Associate Professor of Civil Engineering and Director of the Trenchless Technology Center (TTC), Louisiana Tech University, Ruston, LA