摘要
CBR是路基土和路面材料的强度指标,是柔性路面设计的主要参数之一。以陕西省西安市沣东新区富裕路西延伸段黄土作为试验对象,分析不同击实次数、不同浸水时间对原状黄土与含10%生石灰的黄土CBR值的影响。结果表明:黄土路基生石灰的掺入可改变黄土的微观结构特征,使黄土的承载力、抗剪强度和水稳性显著提高。
CBR is the strength index of subgrade soil and pavement material,and is one of the main parameters of flexible pavement design. Take the west extension section of Fuyu Road,Fengdong New District,Xi＇an City,Shaanxi Province as the test object,impact analysis is performed on intact loess and CBR values of loess containing 10% quicklime based on different compaction times and different soaking time. The results showed that loess embankment with quicklime incorporated can change its microstructure characteristics,and its bearing capacity,shear strength and water stability are significantly enhanced
出处
《河南城建学院学报》
CAS
2016年第4期49-52,共4页
Journal of Henan University of Urban Construction
关键词
CBR
黄土
生石灰
CBR values
loess
quicklime
