International Journal of Concrete Structures and Materials

Table 7 Results of evaluating toughness indexes of FRCs

From: Increasing the Length of Concrete Pavement Slabs Using Shrinkage Reducing Admixture and Polypropylene Fiber

Sample name	Age	I5	I10	I20
FIBER 0.4	7 days	2.097	2.448	2.923
	28 days	2.025	2.324	2.786
	90 days	1.89	2.006	2.204
FIBER 0.35	7 days	2.154	2.374	2.723
	28 days	2.09	2.333	2.644
	90 days	2.088	2.214	2.417

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