Aggregate Piers. Aggregate piers are columns of compacted stone installed in groups in poor soil to increase bearing pressure and mitigate settlement under structural footings. They are a cost-effective method to reinforce soft, cohesive soil and poor fill for all types of structures.
Vibro stone columns are an array of pillars made of crushed stone placed into the soil with a vibrating tool below a proposed structure. Helitech uses vibro stone columns in a variety of projects for cost-effective and durable solutions.
Vibro Stone Column and Vibro Displacement Column (VSC and VDC) are soil-displacement, sand, aggregate, soil cement, and grout column ground improvement methods commonly called vibro compaction and vibro replacement. VSC/VDC use dynamic, vibratory energy and displacement technology to construct strong, engineered, "composite ground" for ...
Stone columns are a ground improvement technique to improve strength and settlement performance of soft soil layers. This ground improvement technique is also referred to as vibro replacement. This soil improvement method constructs dense aggregate columns using a crane-suspended downhole vibrator to improve all soils and will also densify ...
In this technique dense aggregate column (stone columns) is constructed by means of a crane-suspended downhole vibrator. Function. Installation of stone column improves ground by reducing soil settlement. Due to its higher modulus of elasticity than that of soil, it absorbs more load than soil and reduces overall settlement.
The phrases aggregate piers and vibro stone columns are often used interchangeably. Other ground improvement techniques that Subsurface Constructors performs are vibro concrete columns, vibrocompaction and wick drains, depending on the soil conditions and settlement criteria.
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