Retaining wall, or shoring, has to be used when there is insufficient space or natural sloped
excavations or if the excation level is below the natural water level and dewatering is not an option
The methods used to construct the required support wall are in another way called pile walls and they can
be employed to suit the local soil and site conditions. All can be combined with multiple layers of struts or anchors.
Bored pile walls are vertical bored piles, acting either as single piles, contiguous (only touching each other) or
a secant pile wall with diameters ranging from 60 to 120cm. When installations have limited cleanrance,
prohibiting the use of standard drilling equipment, special equipment can be used to a degree where it almost undercuts and
existing structure.
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