7 Days Ccs Sika

In further continuation to final report dated 04.10.2008, the CCS at the age of 7days is as under: Trial Mix No 1

0.90% Admixture 25.78 N/ mm2 27.55 N/ mm2 26.67 N/ mm2 Average 26.67 N/ mm2

Trial Mix No 2

1.00% Admixture 43.55 N/ mm2 33.78 N/ mm2 35.56 N/ mm2 Average 37.63 N/ mm2

Trial Mix No 3

1.10% Admixture 37.78 N/ mm2 36.44 N/ mm2 39.56 N/ mm2 Average 37.93 N/ mm2

Trial Mix No 4

1.20% Admixture 43.55 N/ mm2 26.67 N/ mm2 36.89 N/ mm2 Average 35.70 N/ mm2

Conclusion: 1. IST and FST of concrete with Liquid Admixture 1.00%, 1.10 %, 1.20% are more than our requirements. 2. IST and FST of concrete with Liquid Admixture 0.90 % meet our requirements. 3. The CCS at the age of 7 days meet the requirement with Liquid Admixture 0.90 % The final approval for the use of Liquid Admixture Sikament 600HP/2 [APL] shall be given after getting the CCS at the age of 28 days till then the concrete may proceed with the addition of Liquid Admixture Sikament 600 HP/2 K.P.Chakerwarti Deputy General Manager [FQA –Civil] APL, Mundra

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