This article provides details of an analytical study that simulates the characteristics and features of the Rieber joint system, applied to buried pipes made from polyvinyl chloride (PVC). The aim of the research described is to ensure that municipal distribution lines are sealed effectively in the long term, whilst making it easier for crews working in the field to join pipes. Excellent correlation is obtained between computer-based simulation and actual testing of PVC pipe assemblies involving the Rieber gasket.