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Segregation of concrete is the separation of constituent materials (cement paste and aggregates) of concrete from each other during handling and

Honey combs can be simply be defined as hollow spaces and cavities left in concrete mass on surface or inside the

concrete cracks are very common, some are even inevitable. But with good supervision you can decreases the chances of cracks

There are two basic ways of achieving waterproofing to a substrate/ structure : By forming an integral barrier to water

There are two main ways to design the concrete mix. Design mix method :- In this method, materials are proportioned

A column is a vertical structural member which transfer the loads coming on to it from beams to below level

Compressive Strength Compressive strength is defined as the resistance to failure under the action of compressive forces.  It is the

Concrete is the basic material of construction , without concrete construction is incomplete In this article i am going to

Diameter of known bar D1 =20 mm Spacing of known bar S1 =150 mm Then we have to find Diameter