Aggregate is an important constituent in concrete. It occupies about three-quarters of the volume of concrete, it contributes significantly to the structural performance of concrete, especially strength, durability, and volume stability. Different types of aggregate Normal weight aggregates Light-weight aggregates Heavy-weight aggregates Fibrous aggregates Gaseous aggregates In 80% of construction works, we used normal weight … Read more Aggregate ll Types and Property of aggregates.
While talking about building materials, it will be better to recall the history of the development of human civilization. The use of building materials starts from the beginning of the Neolithic period when man learned to make weapons of stones, metal ore, arrows etc to kill the animals for food. These early men of stone … Read more Building Materials
In this article we discussed about the differences between the cast iron, wrought iron, mild steel and hard steel respectively. Mainly, for civil engineers it is necessary to know the difference between these irons and steel so that they have good idea and knowledge about where to use it and where not. 1. Cast iron … Read more Differences between cast iron, wrought iron, mild steel and hard steel
Cast iron is a more purified form of iron, which contains less amount of impurities than in the pig iron. This is obtained by remelting the pig iron in the blast furnace-like structure known as the cupola. Composition of cast iron Cast iron is also an impure iron which contains 2-5% carbon. Other impurities present … Read more Cast iron
Tiles Tiles are thin slabs used for covering roofs, for flooring or for making drains and may be formed of brick earth burnt in kilns or concrete. Brick earth used for manufacturing bricks tiles is more pure and is prepared more thoroughly than the one used for manufacturing bricks. Tiles, being thinner require careful burning. … Read more Tiles, Earthen Ware and Glazing
Bitumen is known as petroleum in the fluid state, mineral tar in the semifluid state and asphalt in the solid-state. It is a solid or semi-solid black, sticky, ductile substance, obtained as a crucial byproduct from the distillation of crude fossil oil. It may even be outlined as that portion of fossil oil asphalt and … Read more Bitumen – Properties and Uses
Those materials which possess the property of adhesion and cohesion between different materials to form a strong bond between them are termed as cementing material. In other words, such material which has the capacity at bounding between structural units is known as cementing material. Lime is one of the most important cementing materials in which … Read more Lime as Cementing Materials