摘要
Abstract
This article studies the changes in the performance,strength,volume stability,shrinkage rate,and durability electric flux indicators of C40 lining concrete mixtures by adding 2%,5%,8%,11%,14%,17%,and 20%stone powder to the mechanism sand.The study pro-vides a reference for controlling the content of mechanism sand and stone powder in engineering construction.Experiments show that controlling the content of mechanism sand and stone powder within 8%to 11%improves the performance of concrete.When the stone powder content ex-ceeds 14%,the strength decreases significantly and the electric flux increases.关键词
机制砂/石粉/拌合物性能/干缩率Key words
Mechanized sand/Stone powder/Performance of the mixture/Shrinkage分类
建筑与水利
