Surveying

August 29, 2015 N N Basak

Surveying is the art of determining the relative positions of different objects on the surface of the earth by measuring the horizontal distances between them, […]

Uses of cement

August 29, 2015 Prasiddha

At present, the cement is widely used across the world in the construction of various engineering structures. It has proved to be one of the […]

High Alumina Cement

August 29, 2015 Prasiddha

High Alumina Cement is an inorganic material that form a dense texture when it reacts with water and has a excellent refractory, quick hardening property […]

Hydrophobic cement

August 29, 2015 Prasiddha

Hydrophobic cement contains admixtures which decreases the wetting ability of cement grains. The usual hydrophobic admixtures are acidol, naphthenesoap, oxidized petrolatum, etc. These substances form […]

Cement Ingredients

August 29, 2015 S. C. Rangwala

The ordinary cement contains two basic ingredients, namely, argillaceous and calcareous. In argillaceous materials, the clay predominates and in calcereous materials, the calcium carbonate predominates. […]

Types of Dams

August 28, 2015 Prasiddha

A dam is a hydraulic structure of fairly impervious material built across a river to create a reservoir on its upstream side for impounding water […]

Concrete

August 28, 2015 S. C. Rangwala

The cement concrete is a mixture of cement, sand, pebbles or crushed rock and water, which, when placed in the skeleton of forms and allowed […]

Cement Industry

August 28, 2015 S. C. Rangwala

The manufacturing of Portland cement was started in England around 1825. Belgium and Germany started the cement industries in 1855. America started the same in […]

Cement

Cement

August 27, 2015 S. C. Rangwala

A cement is a binder, a substance that sets and hardens and can bind other materials together. It is a powdery substance made by calcining […]