Cantilever

Definition - What does Cantilever mean?

A cantilever is a structural member supported at only one end. In trenchless technology, cantilever walls are used to make embedded walls for carrying out construction below ground level. These walls restrain the pressure of retained earth by using passive resistance provided by the soil below the excavation. Depending on whether the cantilever wall is meant for retaining water or soil, materials like timber, steel, or reinforced concrete are used to make the wall.

Trenchlesspedia explains Cantilever

Cantilever steel sheet piles are used to construct quay walls to make temporary works for supporting river banks. By providing additional protection against corrosion, and increasing the thickness of the sheet pile, the cantilever can be used as a permanent work for pumping stations, abutments of bridges, basements, carriageway widening, etc. For isolated and small scale works in cohesive soils, or when the water level on the retained side of the wall is high, contiguous cantilever bored piles are used.

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