Damage Simulation and Ultrasonic Detection of Asphalt Mixture under the Coupling Effects of Water-Temperature-Radiation

Table 1

The technical parameters of tested asphalt.

Technical parameters	25°C penetration; (0.1 mm)	Softening point; (°C)	15°C ductility; (cm)	Penetration index	15°C density; (g/cm^3)
Test Results	86	46	189.2	−1.461	1.081
Technical requirements	80∼100	>44	>130	−2∼2	Measured