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Tunisia

Tunisia, - tn/11

Hammam Bourgiba - Oued Barbara Aqueduct

Hammam Bourgiba - tn/11 Oued Barbara AqueductFerrovial constructing 6.9 km-long, 4 m outside diameter, 3.2 m internal diameter segmentally lined tunnel in mixed ground using Lovat. First kilometre is in clay, sandy clay and conglomerates with clay matrix. Remaining 5.9 km in claystone, bands of limestone, sandstone, crystalline chalk and dolomite breccia with swelling properties and 40 Mpa UCS. April 1996.

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