摘要
Abstract
The main purpose of this research is to deeply analyze the settlement problems of expressway subgrade in loess areas and their control strategies,especially the application of dynamic compaction in such problems.The research content covers a detailed analysis of the geological structure,hydrogeological conditions,and design and construction factors in the loess area,aiming to reveal the causal mechanism of subgrade settlement.At the same time,the study elaborated on the construction technology and key operating points of the dynamic compaction method,including the preparation work before construction,required equipment,material selection and construction process.Through settlement observation,foundation bearing capacity testing,and stability evaluation,this study comprehensively evaluated and compared the treatment effects of dynamic compaction.Research results show that dynamic compaction can significantly improve subgrade settlement,enhance foundation bearing capacity,and optimize overall stability.This study provides valuable practical guidance for the treatment of highway subgrade settlement under other similar geological conditions.关键词
路基沉陷/强夯法/地基承载力/黄土地区/高速公路Key words
subgrade subsidence/dynamic compaction method/foundation bearing capacity/loess area/expressway分类
交通工程
