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为了验证TAF环氧沥青混合料的最佳施工温度、施工时间范围、强度增长规律及最佳养护时间等特性,对施工温度、施工时间范围、强度增长规律及最佳养护时间等进行了试验研究。研究表明:TAF环氧沥青混合料的最佳施工温度在170～180℃之间,在175℃施工温度条件下混合料最长施工时间为120 min,在混合料达到最终强度前,其强度随着养生时间增加而增长。研究成果在虎门大桥钢桥面维修铺装施工中进行了应用和验证,为以后同类大跨径钢桥面铺装施工中提供了理论和实践依据。
In order to verify the optimal construction temperature, construction time range, strength growth law and the best curing time of TAF epoxy asphalt mixture, the experimental study was conducted on the construction temperature, the construction time range, the strength growth law and the optimum curing time . The results show that the best construction temperature of TAF epoxy asphalt mixture is between 170 and 180 ℃ and the longest construction time of the mixture is 120 min at the temperature of 175 ℃. Before the mixture reaches the final strength, With the increase of health time and growth. The research results are applied and verified in the maintenance and pavement construction of steel deck of Humen Bridge, which provides theoretical and practical basis for the pavement construction of similar large span steel bridge deck in the future.