公路石灰改良膨胀土路基施工技术研究  

Study on Construction Technology of Highway Lime Improved Expansive Soil Roadbed

作　　者：张杰 ZHANG Jie(Zhangjiakou Highway Administration Office,Zhangjiakou 075000,China)

机构地区：[1]张家口市公路管理处,河北张家口075000

出　　处：《工程建设与设计》2024年第23期197-199,共3页Construction & Design for Engineering

摘　　要：为研究高速公路石灰改良膨胀土路基施工技术,提高路基施工效率和质量,论文结合实际工程,对石灰改良膨胀土工程特性进行阐述,对其改良内部反应特征进行探究,重点分析了石灰改良膨胀土路基施工技术要点。研究结果表明,采用高速公路石灰改良膨胀土路基施工技术可减少路基填料的采购、运输和储存,节约施工成本,并可有效提高路基整体施工质量。In order to study the construction technology of expressway lime-improved expansive soil roadbed and improve the construction efficiency and quality of roadbed,this paper combined with the actual project,describes the engineering characteristics of lime-improved expansive soil,explores the internal reaction characteristics of its improvement,and focuses on the key points of construction technology of lime-improved expansive soil roadbed.The results show that using expressway lime to improve expansive soil subgrade construction technology can reduce the purchase,transportation and storage of subgrade fill,save construction cost,and effectively improve the overall construction quality of subgrade.

关 键 词：高速公路 路基工程 石灰改良膨胀土 施工技术 

分 类 号：U416.167[交通运输工程—道路与铁道工程] U415.6