对不同乳化沥青用量和水泥掺量的水泥乳化沥青混合料进行了试验研究,通过测试不同乳化沥青用量和水泥掺量时混合料的间接拉伸强度、抗压强度、静态回弹模量以及冻融劈裂强度比、浸水残留稳定度、动稳定度、最大弯拉应变、飞散损失率等指标,得到了乳化沥青用量和水泥掺量变化对混合料强度和路用性能的影响规律。研究结果表明:乳化沥青用量和水泥掺量对混合料的强度及路用性能影响显著,掺加水泥后混合料的抗压强度、高温性能和水稳定性显著提高,其中残留稳定度提高约20%,抗压强度提高35%,动稳定度成倍增长,但混合料的低温弯拉应变降低约12%;水泥乳化沥青混合料中,水泥掺量为3%、乳化沥青用量为8%时,混合料的强度和路用性能相对较好。
Experimental research on cement emulsified asphalt mixture performance with different dosages of asphalt emulsion and cement was conducted. The influence law on the mixture per- formance by the emulsion and cement dosages was got through study on indirect tensile strength, compressive strength, static modulus, intensity ration of freezing and melting, soaking residual stability, dynamic stability, maximum flexural tensile strain, scattering loss rate and so on. The results show that the dosages of emulsion and cement have significant effects on the mixture per- formance, the mixture compressive strength, high temperature performance and water stability obviously are improved. The residual stability increases by 20%, the compressive strength in- creases by 35%, the dynamic stability is doubled, while the mixture low temperature flexural tensile strength decreases by 12%. With the addition of 3% cement and 8% emulsion, the mix- ture strength and pavement performance reach a relatively good level. 2 tabs, 16 figs, 11 refs.