Steel Piling

Steel Piling is designed for structural and load bearing applications as against sheet piling for retaining walls etc.

It is versatile and widely used as a quick and economical method of installing support for foundations and load bearing structures that are permanent.

Tubular Piles are often used here and can also be used in combination with Sheet Piles to form a Combi Wall. Tubular Piles possess high column buckling strength and energy absorbing capability. They are designed to transfer structual loads through the foundations to the soil below which make them particularly suited to marine construction, i.e. Jetties. They can be driven hard and are difficult to damage. These piles are available in various diameters and wall thicknesses. The large diameter tubular piles offer extremely high load carrying for infrastructure projects whereas the small diameter tubular piles can be utilised to underpin domestic properties.

Combi Walls use a combination of steel tubular or H piles and sheet piles and there are various combinations that are possible. If using tubes they will have to have clutches welded on to interlock with the sheet piles. Combi walls act as the load bearing structure, while sheet piles installed in between make the wall continuous. Combinations of the two types of piles add lateral stiffness and bending resistence where loads exceed the capacity of sheet piles alone i.e. allows them to take loads that cannot be taken by conventional sheet piles. This combination of piles can be installed using a leader rig with vibratory hammer where possible but may also be pressed in where silent vibrationless piling is required. Anchoring, bracing and props are also installed as required.

H Piles, also known as UBPs or Universal Bearing Piles are also used in Sheet Piling. Bearing Piles are an ideal solution when foundations are required for complex structures or where ground conditions are difficult. The properties of steel mean that they can be used to resist tensile as well as comprehensive loads and they can be designed for bending. These piles provide excellent impact resistance and high strength in both compression and tension. The open profile of the H Pile also allows them to be installed close to other piles and existing buildings without detriment.

The Steel Piles can be installed using conventional methods, i.e. vibratory or percussive, when the ground conditions are straightforward, and we have a selection of ABI Telescopic Leader Rigs with Vibratory Hammers, Hydraulic Impact Hammers and Auger Drives and several Movax units to go on our 38T Excavators.

Impact Driving is the best method for driving piles into difficult ground conditions or the final driving of piles to level in panel form. With the correct hammer it is the most effective way of completing deep penetration into hard soils in most conditions. The downside is that it is noisy and not suitable for sensitive or restricted areas.

We also use Silent Vibrationless techniques with our Tosa WP150 Stillworker Pile Press System. Pressing or silent and vibrationless methods are very effective in clay soils, less so in dense cohesionless ground unless pre-augering or jetting techniques are used. This is the most effective method when installing steel piles in sensitive or restricted areas, adjacent to structures, built up areas, cities, railways etc.

To find our more about Steel Piling contact us

Tubular Combi WallPiling with H Piles

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