Raw materials selection, which influents concrete corrosion resistance, is discussed, which involved in cement kinds, aggregate properties, mix, curing water quality, kinds of additive and admixture.

讨论了原材料的选择，包括水泥品种、集料性质、拌合及养护用水的水质情况、外加剂的种类和掺合料对混凝土耐腐蚀性能的影响。

youdao

This article describes the selection of constituent materials and the choice of mix design for C50 floor, as well as its supply, transportation, vibration, consolidation, curing and quality control.

介绍了寒冷地区C50砼地面的原材料选择，配合比选定，砼供应及运输、浇捣、养护及质量控制。

youdao

By reasonable pouring, mix proportion optimizing, effective temperature control and reasonable curing, the concrete quality of spillway tunnel is guaranteed and no crack found.

通过合理选择浇筑措施、优选配合比、有效的温度控制以及合理的养护，目前，泄洪洞各方面质量均满足要求。且：禾发现裂缝。

youdao