What is Type B concrete?
Class B concrete is an air entrained concrete for general use. Additional requirements are: Entrained air is not required unless specified in the Contract. High range water reducers may be added to obtain desired slump and retardation. Slump shall be a minimum of 5 inches and a maximum of 8 inches.
What is B15 concrete?
M-200 (B15). It is used during construction of various types of foundations, concreting of grounds, paths and retaining walls.
What is class A and class B concrete?
Class A concrete shall be used for concrete structures, either reinforced or non-reinforced, and for concrete pavements. Class B concrete may be used for curbs, gutters and sidewalks.
What does the B50 grade mean in concrete strength?
The word “beton” means concrete in French [also used in Russian standards, as some colleagues have already mentioned]. As it was mentioned above, the number 50 represents either cubic or cylindrical compression resistance in MPa. If you are referring to Russian standard, it is cubic resistance of specimen of (150x150x150)mm3 volume.
Which is the best grade of concrete to use?
Regular grades of concrete are M15, M20, M25 etc. For plain cement concrete works, generally M15 is used. For reinforced concrete construction minimum M20 grade of concrete are used.
What kind of concrete is used in commercial applications?
GEN0 GEN 0 or wet lean mix concrete is a versatile mix commonly used in both commercial and domestic projects for a wide range of general applications, non-structural applications.
What kind of concrete is used for outdoor paving?
This is the most common type of concrete used for domestic pavement construction, where no de-icing salts are used. PAV 1 mixes have an additive that entrains air to create micro sized air bubbles in the concrete. This helps to protect the surface from frost, specifically freeze-thaw cycles, making it especially useful for outdoor paving.