The reconstruction and expansion projects of municipal expressway often face challenges such as tight schedules,high quality requirements,and significant construction difficulties.This paper takes the reconstruction and expansion project of the North Third Ring Expressway in Shijiazhuang City as the basis,and introduces the subgrade widening structure,foundation treatment technology,new and old road widening technology,and geogrid construction technology.The aim is to improve the construction quality of the subgrade widening section,ensure the project is completed on schedule,and maximize the economic benefit of the project.
subgrade wideningconstruction technologygeogridsquality control
维普
万方数据
