Fig. 9From: Synergistic Effects of Polypropylene and Glass Fiber on Mechanical Properties and Durability of Recycled Aggregate ConcreteSynergistic coefficients for the compressive strength and durability of RAC: a synergistic and enhancement coefficients of the 28-day compressive strength, b synergistic coefficient and compressive strength loss with 50 salt-solution freeze–thaw cycles, and c synergistic coefficient and compressive strength loss with coupled action of mechanical loading and salt-solution freeze–thaw cycles.Back to article page