“双掺法”在低强普通混凝土上的应用

Application of adding two sorts of admixture to low-strength ordinary concrete

本文通过试验、分析,阐述了"双掺法"用于低强普通混凝土上的适用情况及其优点。从耐久性方面来说,粉煤灰超量取代的双掺法更具优越性。

This article expounds the applicable condition and advantage of adding two sorts of admixture to low-strength ordinary concrete by experiment and analysis.In point of durability,the replacement cement by excessive fly-ash is prior to equal fly-ash.