高等级公路水泥稳定基层裂缝分析与减裂措施

对高等级公路常用的水泥稳定粒料底基层施工后期出现裂缝的成因进行分析、探讨,指出该裂缝的存在与沥青油面层的相互联系和使用水泥稳定粒料作底基层对油面层的影响;通过多个工程实践的总结,介绍水泥稳定粒料底基层、基层在施工中控制裂纹产生和减轻裂纹扩张的几种措施与施工方法。

Crack Analysis and Reduction Measure for Stable Base of High-grade Highway

The causes of cracks emerging during the later period of construction of cement particle bottom and base, which are commonly applied in high-grade highway,are analyzed and discussed.The relations between the cracks and asphalt layers and the impact of using cement stable particle as the bottom base on surface are men- tioned.Several kinds of measure and construction method are introduced for crack control and reduction of crack ex- pansion in terms of the summary of numbers of project.