Diaphragm wall
An underground retaining wall built prior to general excavation within a site, by pouring concrete into a trench under bentonite.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
An underground retaining wall built prior to general excavation within a site, by pouring concrete into a trench under bentonite.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM