高等级公路二灰碎石基层的施工和质量控制

 段献良,赵  薇,马庆伟

(西安公路研究院,陕西 西安  710065

  分析高等级公路由二灰碎石基层导致路面产生裂缝和唧浆病害的机理,对两种配合比组成的二灰碎石材料进行对比,提出二灰碎石基层施工准备阶段、施工阶段、检查验收阶段的质量控制措施,借以提高二灰碎石基层的使用质量。

关键词高等级公路二灰碎石基层施工工艺质量控制

中图分类号:U415          文献标识码:A

The Construction and Quality Control of Lime Fly-ash

Stabilize Macadam Grassroots in Grade Highway

DUAN Xian-liangZHAO WeiMA Qing-wei

Xi‘an Highway Research InstituteXi‘an 710065China

AbstractAnalyzing the mechanism of cracking and pumping caused by lime fly-ash stabilize macadam Grassroots in grade highwaycomparing two kinds of lime fly-ash stabilize macadam materialsthe quality control measures of the prepare phaseconstruction phaseinspection and acceptance phase is proposedin order to improve the grassroots quality in use.

Key wordsgrade highwaylime fly-ash stabilize macadamgrassrootsconstruction technologyquality control