片麻岩机制砂石粉对预拌砂浆性能的影响

The influence of gneiss mechanized sand powder on the performance of wet mix mortar

本文选取吸附性高的片麻岩机制砂石粉作为研究对象,采用片麻岩机制砂石粉替代湿拌砂浆中粉煤灰的用量,开展保水性、强度及收缩性等一系列实验,研究片麻岩石粉对湿拌砂浆性能的影响。结果表明:片麻岩石粉替代粉煤灰,能够保证湿拌砂浆对保水率的要求,湿拌砂浆的抗压强度有所提高,砂浆收缩没有增大。

In this paper, gneiss mechanism gravel powder as the research object,using gneiss mechanism gravel powder instead of the amount of fly ash in the admixture, a series of experiments such as water retention, strength, and durability are carried out to study the effect of gneiss mechanism gravel powder on the properties of wet mix mortar. The results show that using gneiss mechanism gravel powder instead of the amount of fly ash, can guarantee water retention requirements. The compressive strength of the wet mix mortar is improved mortar shrinkage did not increase