市政道路深厚软土地基处理的设计与实践  

Treatment Design and Practice of Deep Soft Soil Subgrade of Municipal Road

作　　者：肖时辉 周波 王虎 周岳 祝必仁 李伟鹏 XIAOShi-hui;ZHOUBo;WANGHu;ZHOUYue;ZHUBi-ren;LIWei-peng(Zhuhai Da Heng Qin Company Limitied,Zhuhai 510089,China;CRCC Hatbour and Channel Engineering Bureau Group Co.Ltd.,Zhuhai 510089,China;Zhuhai Institute of Urban Planning&Design,Zhuhai 518037,China)

机构地区：[1]珠海大横琴股份有限公司,广东珠海510089 [2]中国铁建港航局集团有限公司,广东珠海510089 [3]珠海市规划设计研究院,广东珠海518037

出　　处：《工程建设与设计》2022年第19期43-46,共4页Construction & Design for Engineering

摘　　要：深厚软土地基处理技术主要有排水固结法和复合地基法。通过介绍横琴新区深厚软土地区的路基处理设计和实践,阐述了真空联合堆载预压和双向水泥土搅拌桩复合地基在深厚软土地区的应用特点和施工参数,并运用施工监测、土工试验和原位测试等手段分析评价了处理效果。The treatment technologies of deep soft soil used as subgrade mainly include drainage consolidation method and composite foundation method.By introducing the subgrade treatment design and practice in deep soft soil area of Hengqin,Zhuhai,this paper expounds the application characteristics and construction parameters of vacuum combined surcharge preloading and bidirectional cement mixing pile composite foundation in deep soft soil area,and monitoring the treatment effect is analyzed and evaluated by means of construction,geotechnical test and in-situ test.

关 键 词：路基处理 深厚软土 真空预压 双向水泥搅拌桩 处理效果 

分 类 号：U416.1[交通运输工程—道路与铁道工程]