Reinforced concrete

Unreinforced concrete

Upper diameter

Types de pile

32 mm and 1/4 of bar to bar spacing longitudinally

For bored piles and diaphragm walls

Cyclopean concrete:

Made for basement walls. Composed of large blocks of stone, rubble stones, pebbles.

32 mm and 1/3 of bar to bar spacing longitudinally

For piles with reverse flow

Bedding concrete (D_max = 25 mm):

Carried out under all structures with a base in contact with the ground

16 mm and 1/4 of bar to bar spacing longitudinally

For micro-piles

Ground slab concrete (D_max = 15 mm)

1/6 of the inside diameter of the dip tube

In case of installation in submerged conditions

Stonework concrete:

Stepping of lips and runs, filling of material shortages