ADMIXTURES IN CEMENT Admixture is defined as a mineral or chemical sub- stance that is added to cement mortar or concrete to increase its strength, durability, resistance against wear, water proofing capability, etc. TYPES OF ADMIXTURES IN CEMENT 1. Bonding mixtures 2. Plasticizers 3. Super Plasticizers 4. Antifungal admixtures 5. Colouring admixtures 6. Damp proofing … Read more
PLASTER OF PARIS 5000 years ago Egyptians burnt the gypsum and they obtained plaster of paris. They used this powder for constructing monuments. The powder required for pro- ducing gypsum is largely available in paris. Hence it is called plaster of paris. Initially it was used in construction but now it is also used in … Read more
PLASTICS – Types and uses of plastic Plastic was introduced during the 19th century by the industrialists. Plastic is one of the recent engineering materials. This is available in the market all over the world. Plastic is an organic substance and it consists of natural or synthetic binder or resins with or without moulding compounds. USES … Read more
POLY VINYL CHLORIDE(PVC) – ADVANTAGES AND DISADVANTAGES PVC is Polyvinyl Chloride. – ADVANTAGES OF PVC DOORS AND WINDOWS i. PVC doors and windows offer high resistance to impact, weathering and fire. ii. They provide highest standard for quality, durability and efficiency. iii. Since they are fungal resistant, they do not require either painting or varnishing. … Read more
MODERN CONSTRUCTION MATERIALS CERAMICS:Ceramics means the technology and the art of mak- ing objects with clay and similar materials by treating with fire. In buildings, ceramics are used for roof and floor tiles. Common types of ceramic tiles used in construction are i. Common clay floor tiles ii. Clay terracing tiles iii. Clay ceiling tiles … Read more