Research Article

Mechanical Properties Test and Strength Prediction on Basalt Fiber Reinforced Recycled Concrete

Table 2

Comparison of properties between natural coarse aggregate and recycled coarse aggregate.

ProjectNatural aggregateRecycled aggregates

Apparent density (kg/m3)26302536
Packing density (kg/m3)14581319
Bibulous rate (%)1.35.8
Void fraction (%)4548
Crush indicators (%)915
Needle flake particle content (%)4.52