Polypropylene fiber can improve the property after the cracking of cement stabilized macadam and it also can extensively improve the strain filed ahead of the crack tip. 聚丙烯纤维对水泥稳定碎石的裂后行为有很大改善,并且可以改善水泥稳定碎石的裂缝尖端位移场分布,能有效地增强水泥稳定碎石的断裂韧性。
The method of vibration forming developed in recent years is most applicable to construction of expressways with the semi-rigid cement stabilized dense aggregate macadam base. 近年来形成的振动成型工法适用于半刚性的骨架密实型水泥稳定碎石基层的高速公路施工。