特种水泥的C50伸缩缝混凝土配合比与强度的实际比选和运用

Actual comparison and application of mix proportion andstrength of special cement the C50 expansion jointsconcrete

通过黄骅-石家庄高速公路采用特种水泥用于C50高标号伸缩缝混凝土的施工,对几种C50混凝土配比与强度的比较选择,找出最佳配比,有效地提高了伸缩缝混凝土的早期强度和质量,大大节省了伸缩缝混凝土施工占道时间,保证了高速公路的畅通。

Through the application of special cement on C50 high grade expansion joint concrete construction in Huanghua-Shijiazhuang highway,comparative selection on several C50 concrete mix proportion and strength,finding out the best ratio,which effectively improve the early strength and quality of expansion joints concrete,greatly save the construction time,to ensure the smooth flow of the highway.