沥青面板坝沥青胶配比试验研究

Application of the mastic asphalt mix parameters test of asphalt concrete face in embankment dams

试验采用冻断、流淌、沥青软化点、低温延度等多种试验方法，综合分析研究沥青胶配合比，得出了符合工程条件的最佳沥青胶配比。应用于实际工程经7年运行观察，未发现封闭层沥青胶有流淌和冻裂现象，滑动层在大坝沉降过程中也未发现漏水现象，说明配合比设计完全满足工程要求。

Mix parameters of the mastic asphalt was investigated by using many test means as frost crack, soften point, and elongation under low temperature, then the optimum mix parameters of the mastic asphalt was arrived taken for seven year's observation, no phenomena of flowing or frost crack have been taken place on the mastic asphalt in the mastic asphalt in the sealant, and no leakage have been design of the mix parameters satisfied the engineering demand.