he listed materials and pre-loads presume a non-cracked concrete floor with the following
properties:
Minimum thickness: 340 mm
Minimum distance between anchor and edge of concrete: 140 mm
Strength designation C20/25 according to European Standard ENV 206. This means:
Cylinder compressive strength 20 N/mm² (test specimen: concrete cylinder,
height 30 cm, diameter 15 cm)
Cubic compressive strength 25 N/mm² (test specimen: concrete cube, side
length15 cm)