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Dynamic soil compaction
Impact compaction with tamper weights
For impact compaction a heavy tamper weight is dropped from heights of up to 40 metres onto the ground to be compacted. This dynamic input of energy increases the density of the building ground. The craters created through impact compaction are refilled with suitable material and further compacted, if necessary. Duty cycle crawler cranes of the HS series carry out the compaction process efficiently and automatically with free-fall winches and crane control.
Procedure for dynamic compaction
1. Positioning of the drop weight over the compaction point
2. Lifting the drop weight to the drop height
3. Free fall of the drop weight onto the compaction point
4. Lifting the drop weight for the next blow
5. Filling the compaction crater and grading the area
Schematic illustration of the dynamic soil compaction
1 Compaction crater
2 Fill (e.g. stable gravel)
3 Effective range of the compaction
4 Soil with insufficient load bearing capacity
5 Load-bearing layer
Tamper weight
The tamper weight is dropped in free fall onto the ground to be compacted.
Multiple compaction
Impact series: several impacting blows are made on the same compaction point.
Craters
The created craters are filled with suitable material and further compacted, if required.
Duty cycle crawler cranes as carrier machines
The robust machines of the HS series with extra-large crawlers and booms of high lifting capacity are used.
Automated control system
Hoisting and free fall are controlled automatically. The free-fall control avoids undesired unwinding of the rope.
Compaction under water
Specially designed tamper weights allow for compaction work under water. Here, the machine is used on a barge.
Video
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Machines
This YouTube video is provided by Google*. If you load the video, your data - including your IP address - is transmitted to Google and may be stored and processed by Google inter alia in the USA. We have no influence over further data processing by Google.By clicking on "Accept", you consent to the transmission of data to Google for this video in accordance with Art. 6 (1) (a) GDPR and at the same time explicitly consent to the transfer of data to the USA in accordance with Art. 49 (1) (a) GDPR. If you no longer wish to consent to each YouTube video individually in the future and wish to be able to load the videos without this blocker, you can also select "Always accept YouTube videos" and thereby consent to the associated data transmissions and transfers to Google and to the USA for all other YouTube videos which you open on our website in the future. Please note that, in the opinion of the European Court of Justice, there does not currently exist an adequate level of data protection in line with EU standards in the USA, and at present we cannot provide appropriate safeguards to protect your data and offset this shortcoming.Possible risks to you of data transfer to the USA are that access by state authorities cannot be excluded and that your data could be processed for reasons of national security, law enforcement or for other purposes in the public interest of the USA, possibly without you being informed separately and without enforceable rights and effective legal remedies being available to you.You can withdraw consent that you have given at any time with future effect via the settings. For further information, please see our Data Protection Declaration and Google's Privacy Policy.*Google Ireland Limited, Gordon House, Barrow Street, Dublin 4, Ireland; parent company: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA
Video impact compaction
Impact compaction is particularly suitable for the compaction of sandy soils for land reclamation.
