Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
The highest outer pressure, normally the maximum depth of the shaft is decisive for the wall thickness. For systems with no inner lining support the author developed the extended DOMKE formula: The formula includes the assumption that the radius of plastic to elastic zone lays at and friction angle .
