填方路基非均匀性沉降分析与处理措施

Analysis of Nonuniforming Settlement of Fill Subgrade,and Measures for Treatment

在沈大高速公路改扩建工程中 ,在个别填方路段出现了路基非均匀性沉降的问题 ,导致该段路基出现连续的纵向裂缝。针对这一现象 ,系统分析了路基非均匀性沉降产生的原因 ,介绍了处理路基非均匀性沉降时采用的技术和方法 ,从施工角度提出了控制和预防这一现象出现的措施。

On rare fill subgrade section, the subgrade non-uniform settlement has occurred in reconsturction and extension projects of Shen-Da Freeway,which caused the Subgrade of this section to produce the continuous longitudinal crack.Aiming at this Phenomenen,the paper systematically analizes the reasons for subgrade nonuniform settlement,introduces the treatments for it,and poses the measures for control and prevention from construction angle.