新旧路基不均匀沉降分析与控制技术研究

Research on Uneven Settlement Analysis and Control Technology of New and Old Subgrade

公路工程因年代、地质等方面存在差异,导致新旧路基产生不均匀沉降,形成裂缝,进而影响道路的安全稳定运行。文章探讨新旧路基不均匀沉降的病害类型及形成机制,结合工程实际,利用有限元软件建模分析新地基压缩模量、新路基密度及新路基高度对不均匀沉降的影响,提出新旧路基土工合成材料加筋处治技术和冲击压实处治技术,旨在控制新旧路基不均匀沉降,为路基不均匀沉降的治理提供参考。

Due to the differences in age,geology and other aspects of highway engineering,the new and old subgrade have uneven settlement,forming cracks,which in turn affects the safe and stable operation of the road.This paper discusses the disease types and formation mechanism of uneven settlement of new and old subgrade.Combined with engineering practice,the finite element software is used to model and analyze the influence of new foundation compression modulus,new subgrade density and height on uneven settlement.The geosynthetic reinforcement treatment technology and impact compaction treatment technology of new and old subgrade are proposed to control the uneven settlement of new and old subgrade and provide reference for the treatment of subgrade uneven settlement.