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Table 2 Gradation of coral aggregate.

From: Experimental Studies on Bond Performance of BFRP Bars Reinforced Coral Aggregate Concrete

Sieve size/mm

4.75

9.5

13.2

16

19

26.5

31.5

By weight/%

11.3

26.2

17.6

20.4

19.2

2.2

3.1