By nominal dosages of plasticizers or super plasticizers the improvement in the workability of very stiff or zero slump concrete has not been observed. A mix having 20 mm to 30 mm initial slump can only be fluidised by the use of plasticizers or super plasticizers. To fluidify a no slump concrete a high dosage is required. An improvement in [...]
In this article we will discuss about:- 1. Introduction to Plasticizers 2. Materials Used as Plasticizers 3. Action. Introduction to Plasticizers (Water Reducing Agents): The essence of good quality concrete is the requirement of right workability. Under different situations concrete of different degree of workability is needed. A high degree of workability is required in situations like deep beams, thin [...]
In this article we will discuss about:- 1. Meaning of Super Plasticizers 2. Classification of Super Plasticizers 3. Uses. Meaning of Super Plasticizers: Super plasticizers are also called high range water reducers. They are of recent origin and relatively are more effective type water reducing admixtures. They were developed in Japan and Germany during 1960 and 1970 respectively. Chemically they [...]