Ground improvement works ongoing on Palm Jebel Ali

Nakheel announced today that 55% of ground improvement works on Palm Jebel Ali have been completed.

Nakheel announced today that 55% of ground improvement works on Palm Jebel Ali have been completed.

The company is employing vibrocompaction techniques - a process that is performed with specially designed vibrating probes, significantly increasing the bearing capacity of the soil, thereby making it ready for construction, ensuring no subsidence of land can take place in the future.

Currently 18 vibroprobes are being used at the Palm Jebel Ali, each weighing 2,600kg and capable of 1,800 revolutions per minutes resulting in a force of 30 to 50 tonnes. The probes go through the entire reclamation until they penetrate the seabed's hard layers at an average depth of 15m. The combined action of vibration and jetting of water rearranges loose sand grains into a compact state.

The process increases soil bearing capacity of reclaimed land by 80% to create a landmass similar in strength to mainland Dubai. Currently the average area being compacted is 13,000m2 per day. The entire process is expected to be completed by March 2008.

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