随着公路建设的发展，二灰碎石（即石灰、粉煤灰、碎石）基层的采用越来越广泛。这是因为二灰碎石基层不仅具有良好的整体强度，而且具有很好的水稳定性润时，粉煤灰的利用也减少了环境污染。二灰碎石基层施工主要有三个步骤。回路基底基层的处理在二灰碎石基层施工前，不管底? With the development of highway construction, the use of lime-fly ash (ie, lime, fly ash and gravel) is more and more widely adopted. This is because the lime-flyash gravel base not only has good overall strength, but also has good water stability, and the use of fly ash also reduces environmental pollution. Lime gray gravel grass-roots construction there are three main steps. Circuit substrate treatment at the grassroots lime-lime gravel base construction, regardless of the end?