What does BFSC mean in UNCLASSIFIED

Blast Furnace Slag Cement is a hydraulic binder, made from the by-products of iron production. This cement is created by granulating blast furnace slag and grinding it to a fine pozzolanic powder, which contains about 80% slag, 10-15% gypsum and 5-7% anhydrite.

Blast Furnace Slag Cement has several advantages. These include improved workability, providing greater resistance to corrosion and reduced permeability in concrete structures. It also increases the durability of concrete structures, as well as offering better insulation due to its low thermal conductivity. Finally, it helps reduce chemical shrinkage in cement mixtures when used in combination with ordinary Portland cement.

Yes, the use of this type of cement can help reduce environmental impacts caused by conventional cement production methods. Because it uses materials derived from industrial by-products such as slag or coal fly ash, there is no extra demand on natural resources for its production. This makes it an environmentally friendly alternative to regular Portland cements.

When used in combination with regular Portland cements, this type of cement can significantly improve the strength characteristics of concrete structures. It can increase compressive strength and water resistance up to 25%, while maintaining good workability characteristics.

No, not all applications are suitable for this type of cement due to its lower early strength development compared to ordinary Portland cements. However, it is ideal for applications such as foundations or precast elements that require high durability performance or high structural integrity over time.

Generally speaking yes. Although heat generation during hydration is usually more intense with blasting furnace slag cements than ordinary portland cements – because some latent heat must be released when crystalline phases are formed - higher temperatures can create problems affecting mechanical properties and setting time delays.

The use of this type of cement usually leads to savings both in terms of consumption optimization as well as labor costs due to faster setting times and better flow properties compared with regular Portland cements however each project is different so one should consult an experienced engineer first before making any decisions.

Yes. Aggregates like sand and gravel are typically combined with blast furnace slags cements along with other admixtures in order to achieve desired characteristics such as increased workability or improved compressive strength.

The best way to determine if you need blast furnace slags cements depends on your specific needs for your project and what you’re trying to achieve with your end application – whether that’s increased durability or improved thermal performance etc., You should contact a qualified engineer who will be able to advise you accordingly.