Addition of silica fume into the mix will result in increasing the workability and strengthofcementmortar and decreasing the expansion.
同时掺加硅灰还能够提高掺玻璃纤维高钙粉煤灰水泥砂浆的和易性和强度，并减小其膨胀。
2
The influence of the fineness and the amount of the rubber powder on the flexural and compressive strengthofcementmortar are researched.
探讨了废旧轮胎胶粉的细度和掺量对水泥砂浆抗折抗压强度的影响。
3
The result shows that the flexural strengthofcementmortar reduces greatly by adding hydroxyethyl methyl cellulose, while adding vinyl co-polymer the strength can increase considerably.