Replacement refers to the installation of new sewers and drains in place of existing pipelines, where the new pipeline takes over the functions of the old sewer or drain. The replacement process is subdivided into three methods: „open cut method“, „semi open cut method“ and „trenchless method“. The focus of this module is the trenchless replacement method of pipelines by the means of pipe bursting, gallery techniques, and pipe extraction. In addition to the replacement method and process description this module discusses the areas of application and limits, the advantages and disadvantages as well as possible rehabilitation errors and options for quality assurance.
Learning content: Pipe bursting basics, pipe bursting, the welding of plastic pipes, pullback of pipelines, gallery techniques, pipe extraction, geotechnical and hydrogeological
- Kursersteller: Ann-Kathrin Bräunig