基于适量磷石膏激化石灰-粉煤灰火山灰反应的作用机理,考虑到细碎石集料(<2.36mm)含量对混合料力学性能的影响,通过室内试验研究了磷石膏对二灰碎石的改良性能。结果表明,6%P(磷石膏)+6%L(石灰)+12%F(粉煤灰)+76%G(碎石,其中细颗粒P2.36占总混合料8%)的组合配比具有较好的物理力学性能,适量掺入的磷石膏一定程度上可替代原二灰碎石的部分原材料,且不降低混合料的路用性能,为工业废气磷石膏的资源化利用提供了技术支撑。 Based on the action mechanism of pulverized lime-fly ash reaction with appropriate phosphogypsum, taking into account the influence of the content of fine aggregate (<2.36mm) on the mechanical properties of the mixture, the effects of phosphogypsum on lime-fly ash Improve performance. The results showed that the combination of 6% P (phosphogypsum) + 6% L (lime) + 12% F (fly ash) + 76% G Compared with the better physical and mechanical properties, the proper amount of phosphogypsum can replace some of the raw materials of the raw lime-flyash without changing the road performance of the mixture, which provides a resource for the utilization of industrial waste phosphogypsum Technical Support.