Research Article

Laboratory Evaluation of Asphalt Binder Modified with Crumb Rubber and Basalt Fiber

Table 2

Physical and mechanical properties of basalt fiber.

ItemValueStandards

Density (g/cm3)2.56∼3.05ASTM D3800-16 [29]

Diameter (μm)13ASTM D204-16 [29]
Length (mm)6

Tensile strength (MPa)4100∼4830ASTM D5034-17 [30]
Elastic modulus (GPa)90∼110
Elongation rate (%)3.0∼3.3