civilguruvu.com ROOF :A roof is the uppermost part of a building, provided as a structural covering, to protect the building from rain, sun, wind, etc. Roof protects the building from the dam- ages starting from the top. FLAT ROOF The roof which is nearly flat or at a slope upto 10° is known as flat roof. … Read more
ROOFING MATERIALS ROOF :A roof is the uppermost part of a building, provided as a structural covering, to protect the building from rain, sun, wind, etc. Roof protects the building from the dam- ages starting from the top. Requirements of Good Roof The following requirements are to be satisfied by a well planned roof: i. … Read more
Paints are coatings of fluid materials which are applied as a final finish to all surfaces such as walls, ceil- ings, wood work, metal work, etc. The process of applica- tion of paint as a coating material is called painting. The ingredients of paints and their functions are discussed below. Ingredients of Paint 1. Base … Read more
VARNISH : Varnish is a solution of resins or resinous substances like shellac, cobalt in oil, turpentine or alcohol. NECESSITY i. To provide a brilliant and decorative covering on wooden surface. ii. To protect the painted surface from the atmospheric action. iii. To protect unpainted wooden surface of doors, win- dows, floors, roof trusses etc., … Read more
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
PHYSICAL PROPERTIES OF SOILS Soils are viewed by Agriculturists and Engineers are in different way. The soil which is suitable may not suitable for civil Engineer for construction. Agriculturists look the soil in growing plant life, where as Civil Engineer study the soil behaviour and its application for foundations. 1.Plasticity: It is the ability of … Read more