fig. 1. Effect of PCC coefficient of thermal expansion on JPCP performance: a – faulting, b – cracking, c – roughness (1 – 17.1 × 10 –6 /°C, 2 – 13.5 × 10 –6 /°C, 3 – 9.9 × 10 –6 /°C, 4 – 6.3 × 10 –6