Menard Canada Solution

Due to the compressibility of the soils in place and in order to limit total and differential settlements, a reinforcement of Controlled Modulus Columns (CMCs) was designed to support the slab and foundations.

The performance criteria that had to be achieved were as follows, and all were met and exceeded in terms of ground improvement:

Under the slab on the ground:

• Less than 25mm of total settlement;
• Less than 20mm of differential settlement;
• Live load on slab of 16.75 kPa;
• Raising the surface level by 610mm;

Slab top at geodesic elevation +50.11m. Under the foundations:

• Less than 25mm of total settlement;
• Less than 20mm of differential settlement;
• SLS load of 150 kPa;
• ULS load of 225 kPa