The ISTT will continue with its series of expert insights into trenchless technology with a November webinar dedicated to maximising the asset value with thermoplastic lining.
Dr Steve Brogden from Die Draw in the UK will hold the session on 12th November at 14:00 GMT (15:00 CET, 09:00 US EST).
Dr Brogden will demonstrate advanced design principles can be used to optimise the design of polyethylene liner pipes for die drawing/swaged lining.
The session will delve into optimising thermoplastic lining with PE 100 and PE4710 for potable water and wastewater.
“Cast/ductile iron, steel, PVC, GRP and concrete pipes can lose integrity over time by corrosion, tuberculation, joint leakage and low toughness. This may lead to fluid loss, reduced flow, and in the case of potable water, a reduction of water quality,“ he notes in his overview.
“The asset owner needs to make a decision on whether to decommission, replace or rehabilitate the pipes. Open-cut replacement is very costly and highly disruptive in urban areas. One rehabilitation solution is slip-lining with PE pipes, this however compromises flow capacity.
“An advanced solution is the swaged lining/die drawing process where a PE liner pipe can be engineered to act as a replacement within the original host pipe whilst maintaining or improving flow capacity.”
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