A katha (also spelled kattha or cottah) is a unit of area in Bangladesh and India approximately equal to 1/20 of a bigha. This unit is still in use in much of Bangladesh and India, but the size varies significantly from place to place. In the Indian… Read more »
Structural engineering is a field of engineering dealing with the analysis and design of structures that support or resist loads. Structural engineers are most commonly involved in the design of buildings and large nonbuilding structures[2] but they… Read more »
The water–cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix and has an important influence on the quality of concrete produced. A lower water-cement ratio leads to higher strength and durability, but may… Read more »