ENNASR CULTURAL MALL - TUNIS : Stabilization of a 28 m excavation : a first in Africa
Mission of Hydrosol Fondations :
- The project has 8 basements, which require a 28 m excavation. To stabilize the excavation, Hydrosol Fondations executed 3800 lm of contiguous piles, with a diameter of 600 mm, 1055 lm of piles forming part of the Lutetian wall, diameter 600 mm, 4182 lm of anchors placed in 4 beds, as well as the installation of the pile wall drainage system, installation of inclinometers and monitoring of the displacement.
ENGINEERING STRUCTURES ON OUED HALK EL MENJEL AND ON OUED CHARCHAR : SAND DRAINS
Mission of Hydrosol Fondations :
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Realization of 56150 lm of sand drains, by vibration driving with lost-plug tubes, diameter 320 mm. The drains length is variable 7 m, 11 m, 13 m, and 15 m.
KALAA KEBIRA DAM : DIAPHRAGM WALL
Mission of Hydrosol Fondations :
- Realization of a watertight diaphragm wall to provide the sealing of the dike foundation.
- The diaphragm wall is 0.8 m thick. It was executed with a hydraulic bucket, to a variable depth between 11 m and 28 m, for an overall wall volume of 18,000 m3
AMILCAR CLINIC IN ENNASR - TUNIS : Nailed retaining wall for a 20 m excavation
Mission of Hydrosol Fondations :
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The project has 4 basements, which means an excavation of 20 m. For the stabilization of the excavation, Hydrosol Fondations executed 3500 m2 of nailed wall with three beds of anchors. Overall work is about 9964 lm of HA 32 nails, 3384 lm of GEWI 32 anchors, and also shotcrete, drainage system installation, and inclinometers installation and displacement monitoring
MELLEGUE AMONT DAM: WATERTIGHT COFFERDAMS IN JET GROUTING
Mission of Hydrosol Fondations:
- Realization of watertight cofferdams (upstream and downstream) with JET GROUTING secant columns.
- The center distance is 80cm.
- The diameter of the columns is 1280 mm, and the columns length is variable, with a maximal value of 28 m. Number of performed columns : 1800 columns.
