Muscat Airport

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Muscat Airport

October 2009 at Muscat, Oman
Vibro Stitcher for 6.5 m maximum treatment depth. Gravel is fed with telescopic loader. Dug out Stone Column, measuring approximately the required 85 cm.
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Vibro Stitcher for 6.5 m maximum treatment depth. Gravel is fed with telescopic loader. Dug out Stone Column, measuring approximately the required 85 cm.

Method Applied

Top Feed Stone Columns Bottom Feed Stone Columns

Average Depth

6m

Provide instant stability, accelerate drainage and prevent liquefaction for an up to 12 m (40 ft) high road embankment.  The soil profile consists of soft to very soft silt and clay with some peat layers. Below an only 0.5 m dry crust, in some locations the soil is so soft that equipment as shown in the photo below would sink in without the presence of a geotextile reinforced work platform.

Electronic Cone Penetration Tests (CPTs), supported by digital process data from Vibro rigs, supplemented by full-scale load embankment trials and evidence from dug out columns.