The strength character of lean concrete road base material influenced by age and the amount of fly-ash used in it was studied through test in the lab.

  • 通过室内试验,研究了不同粉煤灰掺量、不同龄期对贫混凝土基层材料强度的影响规律,并与不掺粉煤灰贫混凝土的强度特性进行了对比研究。
目录 查词历史