Abstract
Joint performance in plastic pipelines for gravity flow applications is relevant since it influences the entire system. Various research studies have demonstrated that gasketed bell and spigot joints in plastic pipelines could be subjected to combinations of shear force, rotation, and diameter change under field conditions, requirements that are not considered by current North American standards. These demands and their magnitudes are influence by the joint configuration and the stiffness of their components. This study aims to assess the structural and leakage performance of gasketed bell and spigot joints in 315-mm polyvinyl chloride (PVC) pipelines with different wall thicknesses when subjected to expected field demands under internal and external pressure. It was observed that the magnitudes of shear force that caused joint leakage could develop across PVC joints under reasonable field conditions; wall thickness influenced this demand. It was also noticed that the response of the examined joints differs significantly from other joints with similar diameters and configurations employed for similar applications.
Published Version
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