Tuesday, April 16, 2024

Design Methods For CIPP Liners

The UK Society for Trenchless Technology (UKSTT) held the first in person Masterclasses since March 2020 at the National Motorcycle Museum

The UK Society for Trenchless Technology (UKSTT) held the first in person Masterclasses since March 2020 at the National Motorcycle Museum in Solihull on Large Diameter Circular and Non-Circular Rehabilitation.

The design of CIPP liners in both gravity and pressure pipes has evolved significantly since the first somewhat empirical designs. There are now well-established methods for gravity pipe liners in the USA, the UK, Germany and France, to name but a few. These are evolving as more research and empirical evidence shows that the modified Glock method is more accurate than the Timoshenko method formerly used. France and Germany have already made the transition and the UK is doing so at present. The USA is expected to follow as well. In pressure pipes the situation is less clear and significant challenges remain in understanding the interactions between the liner and the host pipe. This webinar will review the design approaches for both gravity and pressure liners and will identify the key areas where more research and information is required, especially in the design of pressure pipe liners.

The ISTT webinar series is free to attend and open to UKSTT members and all affiliated societies.

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Register for this webinar https://www.istt.com/index/webapp-registrant-form/id.14 About Tom Sangster

Tom Sangster is a professionally qualified Civil Engineer with 35 years of experience in geotechnical engineering and underground pipe networks and is Managing Director of Downley Consultants, an internationally renowned consulting engineer specialising in trenchless technology projects worldwide.

His experience in underground infrastructure encompasses inspection, assessment, and rehabilitation and in developing strategies for managing rehabilitation programmes including risk management. He is a member of the Council of UKSTT and a past President of the Swiss Society for Trenchless Technology, CHSTT.

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