Tag: concrete

The different grades of concrete are given as M10, M15, M20, M25, M30, M35 and M40. In the classification of concrete mix, the letter M denote Mix design, and the Numbers represent the predetermined works cube strength of 15cm cube after curing of 28 days in N/mm2. The works cubes strength refers......

Workability of concrete is defined as the ease and homogeneity with which a freshly mixed concrete or mortar can be mixed, placed, compacted and finished. Strictly, it is the amount of useful internal work necessary to produce 100% compaction. Another similar term used to describe a freshly prepared concrete is ‘consistency’......

The concrete curing process involves a reaction between Portland cement and water helping on releasing heat from the concrete at a desired and controlled rate. Without curing, moisture is lost too quickly and there isn’t enough water necessary for the crystals to grow, resulting in weaker concrete. Curing of concrete should......