n Civil Engineering = Siviele Ingenieurswese - AVENG Ground Engineering - updated CFA technology supports the road to the future : on the cover

Volume 23, Issue 4
  • ISSN : 1021-2000



The project consisted of 70 No piles of 900 mm diameter, all of which had to be socketed into medium-hard rock. A limitation of CFA piling is that, once refusal is encountered, the pile cannot be advanced further. However, with Ground Engineering's legendary Bauer MG 48 Piling Rig having the ability to drill through hard material with its 26 ton crowd force, this was not a problem. Ground Engineering site manager, Hendri van Zyl, comments: "This was the first project where we were required to construct socketed bridge piles using the CFA method, and our system worked extremely well. Our high production rates gave us the potential to gain time on the project programme, proving that CFA is a note worthy alternative to SICA and Oscillator piles."

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