作　　者： (黄胜文）;

机构地区： 广西交通规划勘察设计研究院有限公司,广西南宁530029

出　　处： 《西部交通科技》 2017年第11期29-31,共3页

摘　　要： 随着交通量的迅速增长,柳州至南宁高速公路面临较大的通行压力,为了向公众提供一个更高品质的通行和综合服务环境,对柳州至南宁高速实施"四改八"扩建势在必行。文章分析了柳州至南宁高速公路改扩建工程中岩溶发育的主要形态及其对改扩建公路的影响、岩溶发育的基本特征、岩溶地基病害类型及岩溶路基处治方案,以期为类似工程的设计和施工提供参考。 With the rapid growth of traffic, Liuzhou-Nanning Expressway is facing large traffic pressure, thus,in order to provide the public with a higher quality traffic and comprehensive service environ- ment,it is necessary for Liuzhou-Nanning Expressway to implement＂four to eight lanes＂expansion. This article analyzed the main forms of karst development in the reconstruction and expansion project of Liuzhou-Nanning Expressway as well as its influence on the reconstruction highway,the basic char- acteristics of karst development, the disease type of karat foundation and karst roadbed treatment scheme, hoping to provide reference for the design and construction of similar projects.

关 键 词： 柳州至南宁高速公路 高速公路改扩建 岩溶地基 处理方案设计