国道G319重庆江北机场段改线工程高填方涵洞地基处理

摘要

Setup of rigid culvert on soft foundation faces difficulties of excessive subsidence and insufficient foundation strength. This paper summarizes the features of highfill culvert and treatment methods for common foundations of culvert, comparatively analyzes the applicable scope of various treatment methods, analyzes problems in treatment of highfill culvert foundation in rerouting project of national highway G319 at Chongqing Jiangbei Airport section and proposes treatment scheme so as to provide guidance for foundation treatment of similar culverts in the future.%软土地基上设置刚性涵洞，面临着沉降过大以及地基强度不够的难题。总结高填方涵洞的特点以及涵洞常见地基处理方法，对比分析各处理方法的适用范围，并对国道G319重庆市江北机场段改线工程的高填方涵洞地基处理问题进行分析，提出处置方案，为今后相似涵洞的地基处理提供指导。