SYMPOSIA PAPER Published: 01 January 1990
STP42130S

Review of Design and Experience with Thermoplastic Outfall Piping

Source

Flexible pipes of thermoplastics such as polyethylene and polypropylene are excellently suited for the construction of submarine outfall systems because they can be extruded in long sections, towed fully equipped with anchoring weights to the outfall site from the production base, and sunk directly on to a seabed with a minimum of underwater work. When lying on the seabed they can yield to extreme wave and current forces and conform to the seabed when underscoured without failure. This factor allows a light structure, a short implementation time and a cost-effective outfall system.

Author Information

Janson, Lars-Eric
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Details
Developed by Committee: D20
Pages: 336–343
DOI: 10.1520/STP42130S
ISBN-EB: 978-0-8031-6222-8
ISBN-13: 978-0-8031-1395-4