Last edited 27 Jul 2021

Straked tank

Containment systems for the prevention of pollution, Secondary, tertiary and other measures for industrial and commercial premises (CIRIA C736), published by CIRIA in 2014, defines strake/straked tank as: 'A section of a cylindrical tank. In a straked tank, strakes may be joined by welding or sealed to adjacent strakes with or without additional circumferential tension hoops.'

It defines a multi-straked tanks as: ‘Tanks formed with precast or prestressed reinforced concrete wall panels restrained with an external hoop (post-tensioned). This is a common form of construction used to create slurry stores and filter beds at wastewater treatment works.’

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