Road Performance Comprehensive Evaluation of Polymer Modified Emulsified Asphalt Fiber Microsurfacing

Table 1

The main technical indexes of asphalt and mineral materials.

Materials	Technical indexes
Asphalt	Penetration (25°C, 100 g and 5 s), 94 (0.1 mm); softening point, 46.9°C; ductility (5 mm/min, 10°C), 39.2 cm; dynamic viscosity (60°C), 224 Pa·s
SBS modified asphalt	Penetration (25°C, 100 g and 5 s), 53 (0.1 mm); softening point, 72.5°C; ductility (5 mm/min, 5°C), 33 cm; Mass loss after TFOT, −0.368%; penetration ratio after TFOT, 67.9%
Limestone mineral filler	No agglomerates and lumps; plasticity index, 2.60%; moisture content, 0.3%; hydrophilic coefficient, 0.5; plasticity index, 2.5%
Basalt aggregate	Crushing value, 11%; polished stone value, 52 BPN; acicular content, 4.8%; weared stone value, 12%; sturdiness, 3%
Cement	Normal consistency, 25.5%; The 80 μm sieve residue, 7.6%; initial setting time, 85 min; final setting time, 181 min; soundness (boiling process), qualified; flexural strength (28 days), 6.4 MPa; compressive strength (28 days), 38.8 MPa