Diaphragm Wall

What is D Wall?

• A diaphragm wall is a structural concrete wall constructed in a deep trench excavation, either cast in situ or using precast concrete components
• Diaphragms walls are often used on congested sites, close to existing structures, where there is restricted headroom, or where the excavation is of a depth that would otherwise require the removal of much greater volumes of soil to provide stable battered slopes.
• Diaphragm walls are suitable for most subsoil and their installation generates only a small amount of vibration and noise, which increases their suitability for works carried out close to existing structures. In addition, floor slab connections and recessed formwork can be incorporated into the walls.

How to build a D WALL?
Diaphragm walls are one of the most important technologies of special foundation engineering. A diaphragm wall is constructed using a trench excavated in ground and supported by a mud fluids (typically bentonite or polymer mud) until the mud is replaced by concrete, after the steel cage installation.