Piling

Mini Piling

Our team of experienced piling specialists have the expertise and equipment to deliver a foundation service tailored to your needs.

We specialise in the installation of augered and steel case driven piles where restricted access is an issue.

A full design facility is available incorporating our expert knowledge in designing foundations which are to be constructed in difficult ground conditions.

Whatever your requirements Sureflow Construction can devise a fast and cost effective range of piling solutions to a multitude of foundation problems.

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If you have any questions about our Piling service, please fill out the form below and get in touch.

PILING SERVICES:

  • Free site surveys & Quotations
  • Site investigation
  • Pile integrity testing
  • Engineers design & calculations
  • Driven piles from 150mm - 220mm
  • Open bore piles from 200mm - 350mm
  • Reinforced concrete services
  • Ground beams
  • Rafts
  • Pile caps

Types Of Piling:

Bottom Driven Steel Cased Piling

This form of piling is an end bearing displacement technique which derive their load bearing capacity mainly from the density of the ground in which the pile terminates. This method is commonly used when open bore piles are impractical due to poor ground conditions such as peats, soft clay, and loose sand.

Close ended steel tubes typically 2 to 3 metres in length are driven to set using a cylindrical drop hammer weight operating within the steel tube, striking a dry mix concrete plug at the toe of the leading casing. Additional casing sections are joined by a full fillet weld as the installation proceeds, minimising any risk of conrete loss. Once the predetermined design set has been achieved single bar steel reinforcement is placed and the bore is filled with high slump concrete.

Open Bore Piling

This piling method is ideal for cohesive clay soils where there is no groundwater and the bore remains dry and open on completion. The pile bore is created by rotating augers that drill into the ground and then withdrawn reaming out the excavated soil. This process is repeated until the required depth has been achieved. Steel reinforcement and concrete is placed to complete the pile.

This type of pile takes it load bearing capacity from the friction generated between the clay and the surface of the pile shaft, and therefore different loading bearing capacities can be achieved by varying the diameter and length of the piles.

Open bored piles can be installed with little or no vibration, directly against adjacent buildings and known underground services without causing damage.

Open Bore Piling

This piling method is ideal for cohesive clay soils where there is no groundwater and the bore remains dry and open on completion. The pile bore is created by rotating augers that drill into the ground and then withdrawn reaming out the excavated soil. This process is repeated until the required depth has been achieved. Steel reinforcement and concrete is placed to complete the pile.

This type of pile takes it load bearing capacity from the friction generated between the clay and the surface of the pile shaft, and therefore different loading bearing capacities can be achieved by varying the diameter and length of the piles.

Open bored piles can be installed with little or no vibration, directly against adjacent buildings and known underground services without causing damage.

Reinforced Ground Beams

Ground beams are formed with steel reinforced concrete cages that bridge the distance between the piles and provide a platform for further superstructure construction.

Excavation work is carried out shortly after completion of piling to the width and depth of the engineers specification and to levels specified by the client.

Approved anti heave material is placed at the bottom and inner edge of the excavation to create a void to withstand potential ground movement due to clay heave. Pile reinforcement is tied into the ground beam ready for inspection by the relevant authorities.

Reinforced Concrete Slab/Rafts

RC slabs or raft foundations are an alternative to ground beams where increased foundation depth is a concern. Raft Foundations can usually be used as a finished floor structure instead of a block-and-beam floor.

The slab is excavated shortly after completion of piling works and commonly layers of reinforced steel mesh are placed on to the piles often above a layer of approved heave material. The concrete is then poured and levelled providing a solid, even base to build upon.

Reinforced Concrete Slab/Rafts

RC slabs or raft foundations are an alternative to ground beams where increased foundation depth is a concern. Raft Foundations can usually be used as a finished floor structure instead of a block-and-beam floor.

The slab is excavated shortly after completion of piling works and commonly layers of reinforced steel mesh are placed on to the piles often above a layer of approved heave material. The concrete is then poured and levelled providing a solid, even base to build upon.

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