Kelly drilling
Kelly drilling belongs to the most common dry rotary drilling methods and is used for the production of bored piles with a large diameter (from a size of approx. 500 mm). The process is suitable for nearly all types of soil and rock. The soil is conveyed with relatively short rotary drilling tools, such as augers, core barrels, buckets and special drilling tools. A typical element of this drilling method is the drill rod, the so-called Kelly bar, which is telescopic and facilitates large drilling depths.
Procedure with uncased Kelly drilling:
Video Kelly drilling
The video shows Liebherr drilling rigs in different Kelly drilling applications.
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Cased Kelly drilling
Uncased Kelly drilling
Change of drilling tools
Short leader
Casing oscillator
Removal of drill cuttings
Insertion of reinforcement cage
Concreting of the pile
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For further information, please refer to our Data Protection Declaration and the Google Privacy Policy.*Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland; parent company: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA** Note: The data transfer to the USA associated with the data transmission to Google takes place on the basis of the European Commission’s adequacy decision of 10 July 2023 (EU-U.S. Data Privacy Framework).It was close!
Spectacular performance of LB 36
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For further information, please refer to our Data Protection Declaration and the Google Privacy Policy.*Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland; parent company: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA** Note: The data transfer to the USA associated with the data transmission to Google takes place on the basis of the European Commission’s adequacy decision of 10 July 2023 (EU-U.S. Data Privacy Framework).
