Fatigue & F-T resistant
Full replacement of mineral filler with phosphogypsum, combined with PMDI-modified asphalt, markedly enhances fatigue life and freeze-thaw resistance, withstanding at least four F-T cycles versus one for the unmodified mixture.
Xiaomei, Huang · Xu, Xiong · Guohao, Xu · Xiong, Tao · Sreeram, Anand · Tan, Zhifei
Cleaner Materials 2025
4% PMDI (by weight of asphalt binder) markedly improves fatigue life
Notably enhanced indirect tensile strength after F-T cycles
Withstands at least four F-T cycles vs one for unmodified