
Ready-mixed concrete class B7.5 (M100)
M100 or B7.5 concrete is a low cement grade. A mixture that belongs to the type of lean concrete. It is characterized by low strength, frost resistance and water resistance. It is used as “pillows” – the first layers before the construction of the main foundation, in the common people “under concrete”. Has a low cost.
Characteristics | Meaning |
Average strength: | 98 kgf/cm² or 9.5 N/mm² |
Average density: | 2360-2400 kg/m³ |
Frost resistance: | F50-F100 |
Mobility: | P2-P4 |
Waterproof: | W2-W4 |
GOST: | 7473-2010 |
To obtain 1 m³, class B7.5, you must:
- Cement – not less than 250 kg;
- Sand – 0.6 m³;
- Crushed stone – 0.8 m³;
- Pure water – 215 liters.
Recommended for construction:
- landscape construction
- pillow roles: “footings”
- the role of the asphalt pavement cushion
- filler roles, cavities
- ground reinforcement
- pouring roofs
- private construction
- general construction