Piling & Earth Retention

Piling involves the installation of structural elements to transfer foundation loads through weak soils to stronger underlying ground. Keller offers a wide range of piling and retention systems, three of which are shown below. Piles may be preformed and driven into the ground or cast in situ. Keller has installed piles underpinning many major buildings and civil engineering projects in the Middle East.

Bored Piles

Bored piles are reinforced concrete elements cast into drilled holes, used to transfer heavy loads to a deeper competent soil or rock stratum. Bored piles, executed in a low-vibrating continuous drilling method, can be used for foundations and pit securing as well as for slope stabilization. The execution can be done in almost all soils due to the use of adapted drilling tools.

Sheet Piles

Sheet piling is an earth retention and excavation support technique that retains soil, using steel sheet sections with interlocking edges. Sheet piles are installed in sequence to design depth along the planned excavation perimeter or seawall alignment. The interlocked sheet piles form a wall for permanent or temporary lateral earth support with reduced groundwater inflow.

Secant & Tangent Pile Walls

Secant or Tangent piles are columns constructed overlapping (secant) or adjacent (tangent) each other to form structural walls that resist lateral pressures and groundwater inflow for bulkhead support, earth retention, groundwater control, or slope stability. The columns are constructed with bored piles, soil mixing, jet grouting, or augercast methods.

Method Animation


More information


Take a look at some of our piling projects

Our Projects