Ready-mixed concrete class B40 (M550)
M500-550 or B40 concrete is one of the most durable and expensive types of mixtures that are not usually used in residential and industrial construction, but are relevant in the construction of special-purpose structures in the areas of marine infrastructure, energy, high-rise construction, Far North facilities, military facilities .
| Characteristics | Meaning |
| Average strength: | 524 kgf/cm2 or 50 N/mm2 |
| Average density: | 2298 kg/m3 |
| Frost resistance: | F200-F500 |
| Mobility: | P2-P5 |
| Waterproof: | W10-W16 |
| GOST: | 7473-2010 |
To obtain 1 m³, class B40, you must:
- binder component – cement M500 – 405 kg;
- sand – I cat. – 680 kg;
- water – purified – 180 liters;
- crushed stone – granite with a fraction of 30-50 mm – 1.07 tons.
Recommended for construction:
- skyscraper foundations
- foundations in the aquatic environment
- bunkers
- in nuclear power
- in the marine and hydro sphere
- airfields (upper layer)
- bridge piers, flyovers
- objects of the Far North
