Pumping Admixture

-Used for pumping concrete through pipes

Damp Proofing Admixture

-Used to Avoid Dampness

-Zinc Sulphate, Calcium Chloride

Bonding Admixture

-Used to bond old concrete with new concrete

-Poly Vinyl Chloride, Poly Vinyl Acetate

Self Accelerators

-Used to accelerate the setting process

-Calcium Nitrite

Self Retarders

-Used to slow down the reaction

-Sugar

Water Reducing Admixture

-Used to increase the workability of concrete

-Lignosulphonates

Admixture

-Nearly all concrete contains one or more admixture

-Added in dry or liquid form

-Purpose is to effect certain desirable changes in the concrete

-Types Of Admixtures

-Water Reducing Admixture

-Self Retarders

-Self Accelerators

-Bonding Admixture

-Damp Proofing Admixture

-Pumping Admixture