ALKALI-SILICA REACTIVITY OF AGGREGATES IN HYDERABAD- JAMSHORO REGION

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e-ISSN: 2582-5208 International Research Journal of Modernization in Engineering Technology and Science Volume:03/Issue:02/February-2021

Impact Factor- 5.354

www.irjmets.com

A Aggregate source 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A aggregate Fig.-5: Source A crushed gravel Expansion graph B aggregate source 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0

E X P A N S I O N

1 2 3 4 5 6 7 8 9 101112131415 DAYS

B aggregate source Fig.-6: Source B crushed gravel Expansion graph C0MPARISON 0.1

E X P A N S I O N

0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 0

1

2

3

4

5

6

7

8

9 10 11 12 13 14 15

DAYS

A Aggregate source Fig.-7: Comparison of Source A and B crushed gravel Expansion graph The expansion of crushed gravel source A after 14 days was found to 0.0261%. However the expansion of crushed gravel source B after 14 days was found 0.0420%. Both the crushed gravel sources have expansion below the limit of ASTM C 1260 i.e. 0.2%. www.irjmets.com

@International Research Journal of Modernization in Engineering, Technology and Science

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