Concrete mixtures

Test Study of Influence Factors of Working Performances of Plastic Concrete Mixtures

塑性混凝土拌合物工作性影响因素的试验研究

Rut resistance and volumetric composition of asphalt concrete mixtures

抗车辙能力与沥青混凝土混合料的体积构成

The concrete mixtures treated by vacuum water free can enhance the early stage strength , form release time and working efficiency .

混凝土拌和物经真空脱水处理后，早期强度提高，拆模时间提前，可提高工效。

This specification covers materials proposed for use as air-entraining admixtures to be added to concrete mixtures in the field .

本规范涵盖了建议作为引气剂使用并加入到现场混凝土混合料中的材料。

To ensure the quality of concrete mixtures , many tests were done by adding in the concrete fly ash , compounds as well as brash ices .

为确保混凝土拌和系统质量，曾进行过多项参教试验，在混凝土中既要掺粉煤灰，又要掺复合剂，还要接碎冰。

This paper deals with the relationship between friction resistance on the pipe wall and the pumpability of concrete mixtures , and also studies the equipment for friction resistance measuring .

本文介绍混凝土对管壁的摩阻力与可泵性之间的关系，摩阻力测定装置。

On the basis of measurement of high strength expanded shale properties , concrete mixtures of ten different proportions with design strength of 20 MPa to 60 MPa were prepared .

在高强页岩陶粒性能测定的基础上，配制了10种不同配合比的混凝土拌和物，其设计强度为20～60MPa。

Application Study of Concrete Double Mixtures and Vacuum Water Free Technology in the Hydraulic Structures of Irrigation and Drainage

农水建筑物混凝土双掺及真空脱水技术的应用研究