The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced. 摘要介绍了聚丙烯纤维喷射混凝土的特点及其配合比设计。
The coopera-ting rate of decarbonized coal fly ash concrete was researched and used to fulfil the pavement repair work. 进行了脱炭粉煤灰混凝土配合比等方面的试验研究,并在路面修复工程中应用脱炭粉煤灰完成了试验路修筑工作。