公路路面水泥稳定砂砾基层施工方法

水泥稳定砂砾结构层施工，主要经过选料、配合比选配、摊铺、整平、碾压和养生等工序，与传统石灰稳定土施工相比，减少了石灰熟化过筛和土块粉碎过筛等工序，便于机械化作业。压实成型方便，养护期短，增强速度快，山东烟青一级公路按此方法施工，提前工期75d，少占农田60亩，节约投资33万元。

THE CONSTRUCTION WAY OF CEMENT-STABLE SAND-GRAVEL BASE UNDER THE SURFACE OF HIGHWAY

The major processes of the construction of stablizing sand-gravel texture bed are material selection, mixed ratio selection, paving, grinding and cement curing. Comparing with the traditional construction way of lime-stable, it deduces the sieving processes of lime and grinding soil, and facilitates machination of construction. Construction in the new way on Yanqing lst grade highway in Shandong, it spends 75 days, holds 60 Mu and costs 0.33 million Yuan (RMB) less than the traditional ways respectively.