16 Piling Solutions
Earth Retention Contiguous Bored Pile Walls Bored Pile Walls provide a cost effective method of forming insitu soil retention structures. Keller has wide experience in the design and construction of all forms of piled wall. Dependent upon stiffness and/or water tightness required, Keller offer either hard/ hard or hard/soft Secant Piled Walls and also Contiguous Bored Pile Walls. The latter can also be supplied with ‘between pile’ grout seals to economically provide a high level of ground water control. Bored Pile Walls Using Keller’s state-of-the-art design analysis methods, Secant and Contiguous Bored Pile Retaining Walls can be constructed to form deep basements or retaining structures. Piles are either interlocking or installed leaving a nominal 150mm to 300mm gap between them. Bored Pile Retaining Walls can be constructed in a variety of soils or soft rocks using Keller Rotary Auger Bored Piles, Tripod Piles or Keller Continuous Flight Auger Piling systems.
Contiguous Bored Pile Wall
Wing jet grouting to seal Bored Pile Wall
Keller Piled Walls can be constructed either as free standing cantilevers, propped or anchored walls. Keller also offers fully removable high capacity ground anchors for temporary wall support as a means of speeding up construction programmes for follow on trades. Design of Retaining Walls All Keller Retaining Walls are designed in-house by highly experienced design engineers. Stability and wall displacements can be investigated using a range of design software, which includes finite element programs for use on the larger or more complex projects. The Keller design department is available at all times to provide advice and assistance to clients. Minimising Deflection Where deflection has to be kept to an absolute minimum, Keller can incorporate its compensation grouting system behind most walls to control and correct any movement.