The Franki pile is a driven, cast-in-situ concrete displacement pile with an enlarged base in dry concrete and a cylindrical shaft. Dulce Simoes 7th December Piling. It takes more than the highest levels of ground engineering expertise and experience to be Keller’s Franki Africa. FRANKI DRIVEN CAST-IN-SITU PILES (DCIS). The Franki pile has been used extensively throughout Southern Africa for over 65 years and is still today one of.

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Some of this ….

From a geotechnical perspective, the complete overhaul of the Village Walk site has been sufficiently challenging for Franki project manager Paulo Alves to say that this was one of the most incredible projects he has ever worked on.

This operation is checked with marks fraki on the driving cable of the hammer and on the lifting cables. The expanded base frank the pile is then formed by adding as much dry concrete as necessary to achieve a pre-determined “driving set”. For the prestigious new Umhlanga Arch development, north of ….

The Franki piling system also called pressure -injected footing is a method used to drive expanded base cast- in-situ concrete Franki piles. Laxmi Publications P Ltd.

Franki Piles (PIFs)

This negative friction is sometimes encountered in non-compressible soils. Franki shafts may be installed raked. In addition, the pile is also suitable for the adsorption of tensile loads due to its widened base.

The casing can also be installed using a large-stem auger VB-pile. In that case, the driving casing must be provided with a lost bottom plate. For Keller company, Franki Africa, which is in the process of doing the geotechnical work, this prestigious project has been somewhat of a milestone.

People struggle to make a living in Tugela Ferry and the harsh conditions …. The Yacht Club, a … Read More. B ridge structures Wind power plants Crane tracks Dock bases Industrial buildings Heavy-duty surfaces and much more. The plug is then expelled by heavy blows of the hammer, making sure that a certain amount of rammed concrete remains in the casing in order to prevent any seepage of water or soil into the pile shaft.


In that case, a pre-fabricated shaft steel or concrete is installed after the expanded base has been constructed in the ordinary way. Views Read Edit View history. Alternatively, a pre-fabricated pile shaft can be used.

As Managing Director Errol Braithwaite says: Due to the compression of the concrete plug, a water-tight bottom plug is created which prevents soil or water from entering the casing.

By adopting some additional measures, the effects of negative friction may be cancelled. An octagonal or circular pile, made of precast reinforced concrete or pre stressed concrete, is sunk into the tube and securely anchored on the base by means of some blows the hammer. Webarchive template wayback links. It is interesting that in both the below marine projects, one of the frankii themes is great teamwork … Read More.

Maximum lengths are of the order of 25 m, although the length usually used is less than 20 m. The hammer displaces the concrete laterally into the soil previously compressed by the driving of the tube. One such project was the recently completed construction of a m-long quay wall with a draft of Enlarged “Franki” base When the tube has been driven to the required depth, the casing is very slightly raised and maintained in position with the aid of steel cables.

The reinforcing bars are tied by mm spirals at the pitch of 10 – 25 cm. This operation causes compression of the soil by lateral displacement. The shaft of the pile is formed by ramming successive layers of “dry concrete”, raising the casing 0.

Frahki old adage that building roads and bridges is fundamental to the growth of an economy has certainly been dranki by the Saldanha IDZ Industrial Development Zonewhich, in contrast to many areas in South Africa, has been undertaking significant infrastructural development with the funds they have received from the Western Cape government for that specific purpose.

Retrieved from ” https: Soil Mechanics and Foundationsp. Such a cased shaft eliminates the curing time required for the concrete precast pile.

The raked shafts are always reinforced over their whole length. By using this site, you agree to the Terms of Use and Privacy Policy. This process is similar to ordinary driven cast-in-situ piles. They can withstand dynamic stresses and are particularly suitable foundations for structures containing machines and subject to dynamic forces. The outside diameter of the cage varies according to the size of the tube being used.


Edgard Frankignoul applied for the production patent for the Franki pile in July Some of this … Read More. Introduction For construction programmes to be compressed into the shortest possible time to meet client handover deadlines is not unusual, but for contractors to offer innovative improvements to design to realise cost and time savings is far more so — particularly when this increases the pressure on the contractor to perform!

It is interesting that in both the below marine projects, one of the common themes is great teamwork …. Under its impact the concrete forms a plug at the bottom of the casing which penetrates slightly into the soil. The Franki pile process has undergone several reformations since it was conceived. The Franki pile, known and used worldwide, was developed at the turn of the century by the Belgian engineer Frankignoul.

Piling | Franki Africa

People struggle to make a living in Tugela Ferry and the harsh conditions … Read More. The Yacht Club, a …. Bythe technique had been implemented by 34 international subsidiaries and license holders. Franki piles can be used as high-capacity deep foundation elements without the necessity of excavation or dewatering.

The construction of each Franki Pile is molded to the ground conditions at each pile location, and can safely withstand very high compressive and tensile forces and substantial horizontal loads.

It requires only a minimum of site preparation and in some particular cases, e.

Concreting of the shaft. Geotechnical work in the marine environment demands creative solutions to complex challenges.