粉煤灰在公路工程中的应用

Application of fly ash in the road project

分析了粉煤灰在水泥混凝土中的作用原理，介绍了粉煤灰对水泥混凝土性能的改善，说明了粉煤灰在公路工程中的应用，证明了混凝土中掺入一定数量优质粉煤灰后具有的优越性。

The action principle of fly ash which is in the cement concrete is analyzed and the improvement of the cement concrete capability because the addition of fly ash. It explains the application of fly ash in road project, and proves the concrete having good capability after the addition of fly ash.