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Improved dynamic compaction techniques take ground improvement to the next level

Dynamic compaction is a commonly used technique to increase the density of the soil. With a regular interval, a heavy weight is lifted by a crane and dropped to the ground. However, the standard compaction technique is not the fastest method. But technology evolves! How do the latest improvements in dynamic compaction techniques benefit contractors in time and efficiency?

The technique is a highly appropriate one to increase bearing capacity of the ground. It also decreases settlement as well as the potential of liquefaction or sinkholes. Unfortunately, when the soil in larger areas needs to be densified before construction workings, regular dynamic compaction techniques can take up quite some time.

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This is one of the main reasons why the latest and improved dynamic compaction techniques have evolved quite a bit. A fast technique for dynamic compaction is : Rapid Impact Compaction.

1. An impact hammer instead of a drop weight

The latest and improved dynamic compaction technique, Rapid Impact Compaction, now use a hammer instead of a drop weight to create impact on the ground. The pace on which the hammer strikes is a lot higher. It is therefore much more efficient when the ground of larger areas needs to be improved.

2. An impact hammer for compaction rig and piling rig in one

One of the latest developments are specially modified impact hammers which enable the contractor to use the impact hammer in more than one way by using it as a compaction rig as well as for use in a piling rig. This high versatility of the impact hammer enables the contractor to save a lot of time and money during the workings.

3. Highly suitable to be combined with in-situ drive-ability tests

Rapid Impact Compaction rigs can be equipped with in-situ soil testing equipment to measure soil compaction before and after the compaction operations. Thanks to this in-situ soil test, the contractor is no longer dependable on third parties to do the test for him. This enables him to perform the ground improvement works in a highly efficient way.

4. A good addition to exisiting Vibroflots

The Rapid Compaction rigs are a good addition to the vibro compaction technique using Vibroflots. Depending on, for example the soil condition you can choose the best ground improvement method. Vibro compaction is a suitable deep compaction technique when softer granular soils (with less than 10 – 15% silt present) need to be densified, while the RIC rig is suitable for denser soils. Also, there is a difference in dynamics: the RIC rig can be moved, while the vibroflot is hanged by a crane which does not move (static).

Discover a completely new range of Rapid Impact Compactors

PVE, part of Dieseko Group, introduced a brand new Rapid Impact Compaction (RIC) rig. They are specially designed for ground improvement. Do you want to discover how the RIC rigs take dynamic compaction techniques to the next level? Contact us for more information.

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Posted by Patrick van der Schaaf on Sep 26, 2016 10:45:25 AM

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