黄土地区高速公路路基沉陷问题及施工治理技术分析——以陕北地区某高速公路ZK18+647~ZK18+683段为例

Analysis on subgrade settlement and construction treatment technology of expressway in loess region--Taking ZK18+647~ZK18+683 section of an expressway in northern Shaanxi as an example

路基沉降是较为常见的病害,需要在施工中采取必要的控制措施。以陕西北部黄土高原地区子长至姚店高速公路工程实例,分析公路路基沉降的处治思路及处治方案。针对性地进行处治方案比选论证,最终选择混凝土桩进行处治。

Subgrade settlement is a common disease,which requires necessary control measures in construction.Taking the Zichang to Yaodian expressway project on the Loess Plateau in northern Shaanxi Province as an example,this paper analyzes the treatment ideas and treatment schemes of highway subgrade settlement.Carry out comparison and demonstration of treatment schemes,and finally select concrete piles for treatment.