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. 聚丙烯纖維對水泥穩定碎石的裂后行為有很大改善，并且可以改善水泥穩定碎石的裂縫尖端位移場(chǎng)分布，能有效地增強水泥穩定碎石的斷裂韌性。
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. 近年來(lái)形成的振動(dòng)成型工法適用于半剛性的骨架密實(shí)型水泥穩定碎石基層的高速公路施工。
