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

Figure 8

Scatter diagram of ultrasonic velocity and damage coefficient.

(a) Scatter diagram of ultrasonic velocity and damage coefficient at 20°C

(b) Scatter diagram of ultrasonic velocity and damage coefficient at 0°C

(c) Scatter diagram of ultrasonic velocity and damage coefficient at −20°C

(d) Scatter diagram of ultrasonic velocity and damage coefficient of water-saturated state