骨料级配 meaning in English
aggregate gradation
aggregate grading
gradation of aggregate
grading of aggregates
Examples
- Research on fractal characteristics of the size - distribution of concrete aggregates
混凝土细骨料级配的分形特征研究 - Test result indicates that , by means of using proper gravel - gradation and technology , the performance of pumice concrete can well meet the need of our country wall materials
试验结果表明，利用适当的骨料级配和生产工艺，可使浮石混凝土的各项性能指标能很好地满足目前我国的建筑墙体材料性能要求。 - Firstly , the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured . secondly , the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met . in the research process , the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled
课题研究中，首先采用特殊的改性工艺及外加剂实现对聚苯乙烯颗粒表面的成功改性，使其表面由憎水转化为完全亲水，确保与无机材料的复合质量；其次，通过采用优化骨料级配及使用复合纤维等措施解决了保温材料的轻质与强度的矛盾，使保温材料在满足必要的强度的前提下，导热系数降至最小；并且，课题研究中成功解决了纤维在保温材料中均匀分散的问题，达到了抑制保温材料收缩的目的；最后，通过采用复合外加剂、合适的胶凝材料及合理的配比等措施确保该保温材料具有良好的和易性，满足施工的要求。