Comparing with ordinary concrete, the area under stress-strain curve of RMC is much larger.It indicates that adding crumb rubber can significantly increase the toughness of concrete.

• 与基准试样相比，掺有橡胶粒子的RMC应力-应变曲线下的面积更大，表明掺加橡胶粒子可使混凝土的韧性大大增强。