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Vibro Concrete Columns Services
Nicholson Construction Company’s leading geotechnical construction experience allows us to employ a range of vibro technologies to create reinforced, compacted columns in poor soils. One such technique is the use of vibro concrete columns. This technique is commonly used in areas that require higher loads and are installed through very soft soils (commonly peat or other organic deposits) in order to transfer loads to more competent load-bearing strata. Vibro concrete columns are used in cases where the soils are so soft and unstable that installation of stone columns would be difficult, or where the stone columns would not have sufficient lateral confinement to adequately carry vertical loads.
Vibro technologies involve the use of a vibroflot, a vibrating probe suspended from a crawler crane. As the vibroflot is lowered, it penetrates weak soils until reaching the required depth. Depending on soil conditions and intended site use, a variety of techniques can be employed to create the compacted columns.
Vibro concrete columns are accomplished by filling the borehole with concrete rather than stone. The vibroflot penetrates the soil until it reaches a suitable load-bearing stratum. Concrete is discharged at the bottom of the column to form an enlarged basal bulb, and then discharged continuously to form a column as the probe is withdrawn.
Vibro Concrete Column Applications
- Reduction of foundation settlement.
- Improvement of bearing capacity.
- Slope stabilization.
- Economical piling alternative.
Vibro Concrete Column Uses
- Typically used in areas that require higher loads and are installed through very soft soils (commonly peat or other organic deposits).