摘要

为研究泡沫温拌沥青混合料高温稳定性、抗裂性能以及水稳定性能等随服役年限的变化情况,以现场路面为研究对象,选取了不同服役年限的泡沫温拌沥青路面,利用芯样进行汉堡车辙试验(Hamburg wheel-track device,HWTD)、半圆弯曲试验(Semi Circular Bending Test,SCB)和冻融劈裂试验,评价泡沫温拌沥青混合料与同期热拌沥青混合料路用性能之间的差异。结果表明:与普通热拌沥青混合料相比,泡沫温拌沥青混合料具有较好的抵抗车辙变形和水损害的能力,早期泡沫温拌沥青混合料具有优越的中低温抗裂性能,后期泡沫温拌沥青混合料呈现出略差的中低温抗裂性能。

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