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EARTH RETAINING STRUCTURAL WORKS

CAISSON WALL

A caisson wall comprises a series of caisson piles and lagging walls. Caisson piles are installed vertically, while lagging walls are cast in between exposed caisson piles to form the external surface of the caisson wall. A capping beam, which is reinforced concrete, is then formed on-site to secure the caisson piles.

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CONTIGUOUS BORED PILE WALL

A contiguous bored pile wall is constructed using closely spaced bored piles.

DIAPHRAGM WALL

A diaphragm wall is a continuous reinforced concrete wall constructed on-site through the excavation of soil to form a narrow trench, and the filling of this trench with a rebar cage and concrete.

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SECANT PILE WALL

A secant pile wall is a retaining wall made of interlocking bored piles with varying diameters. Primary piles are first installed and left to set, followed by secondary piles which are installed in
between the primary piles.

SOLDIER PILE WALL

A soldier pile wall is constructed by first inserting steel beams into excavated shafts and filling sand around the steel beams to form soldier piles. Following which, horizontal timber logs are installed in between the soldier piles.

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STEEL SHEET PILE WALL

Steel sheet pile wall is constructed by driving steel sheet piles vertically into the ground with a pile driving machine to form a wall.

ANCHORED CAISSON WALL

An anchored caisson wall is similar to a caisson wall, whereby an anchored caisson wall has

ground anchors installed at the caisson piles of the caisson wall to act as a restraining device

that transfers loads from the caisson piles to a fixed and stable foundation.

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