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International Journal of Concrete Structures and Materials

Table 1 Physical properties of the aggregates utilized

From: Interfacial Shear Behavior of Composite Concrete Substrate to High-Performance Concrete Overly After Exposure to Elevated Temperature

Properties

Coarse aggregate

Fine aggregate

Specification and reference

Crushed limestone

River sand

Bulk specific gravity

–

2.6

2.55

ASTM-C127-01 (2017)

Water absorption ratio

%

1.5%

1%

ASTM C128-01 (2017)

Unit weight

kg/m3

1500

1560

ASTM-C29 (2010)

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