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通过对沥青混合料常规水稳试验、浸水车辙试验及汉堡车辙试验(HWTD)的比较,分析了不同试验方法对沥青混合料水稳定性评价的影响。试验采用3种级配类型在不同试验方法下测定水稳定性评价指标。研究结果表明,常规水稳试验及普通浸水车辙试验都无法很好的评价沥青混合料的水稳定性,而HWTD试验可以得出合理的判定。
The influence of different test methods on water stability evaluation of asphalt mixture was analyzed by routine water stability test, water immersion rut test and Hamburg Rutting Test (HWTD). Three gradation types were used to test the water stability evaluation index under different test methods. The results show that both the conventional water-stability test and the ordinary water-immersed rut test can not evaluate the water stability of asphalt mixture well, and the HWTD test can draw a reasonable judgment.