Mini bottom driven piles are one of the most cost-effective and environmentally friendly piling solutions, requiring much less concrete/cement than other mini piling solutions. A displacement technique, producing zero spoil makes it the ideal mini piling solution in contaminated ground.
WHAT THEY’RE USED FOR
Mini bottom driven piles are typically used within restricted areas for poor ground conditions, where deep foundations are impracticable.
A closed-ended thin-walled steel tube is driven in lengths of between 2m and 6m using an internal drop hammer on to a dry concrete plug. The tubes are joined by a full but non-structural fillet weld as the installation proceeds until the pile is driven to a predetermined set or design length criteria. Once the required depth is reached the tube is filled with high slump concrete or grout and a single bar or cage is inserted.
WHY USE Bottom Driven Minipiles?
- Electrically powered rigs, ideal for indoor construction
- Low CO2 emissions
- Quiet installation
- Minimal site preparation required
- Small lightweight equipment
- Zero spoil
- Environmentally friendly
- Suitable to most ground conditions
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