摘要
本文以南疆克州地区G219线阿合奇县至八盘水磨公路建设项目设计施工总承包工程为背景,研究了恶劣环境下新老公路衔接段湿陷性黄土路基设计与施工,介绍了黄土湿陷性评价方法、新旧路基拼接方式、拼接实施方案及土工格栅在拼接路基段的应用,并阐述了路基拼接段地基处理、开挖、填筑施工要点及排水处理,可供相似的路基工程施工借鉴。
Based on the general contract project of design and construction of road construction project from Aheqi County to Bapanshuimo of G219 line in Kezhou area of southern Xinjiang,this paper studies the design and construction of collapsible loess subgrade at the junction of new and old highways under harsh environment,introduces the evaluation method of loess collapsibility,the splicing method of new and old subgrades,the splicing implementation scheme and the application of geogrid in the splicing subgrade section,and describes the foundation treatment,excavation,filling and drainage treatment of the subgrade splicing section,which can be used as reference for the construction of similar subgrade projects.
作者
李光前
LI Guangqian(Sinohydro Bureau 3 Co.,Ltd.,Xi'an,Shaanxi Province,710000 China)
出处
《科技创新导报》
2022年第30期164-168,共5页
Science and Technology Innovation Herald
关键词
新老公路
湿陷性
黄土
路基
设计
施工
New and old highways
Collapsibility
Loess
Subgrade
Design
Construction