膨胀土地区公路防排水设计技术探讨  

The Technology Design on Highway Waterproof and Drainage in Expansive Soil Region

作　　者：刘义虎[1] 彭立[1] 黄向京[1] 刘利群[1] 梁勇智[1] 

机构地区：[1]湖南省交通规划勘察设计院,湖南长沙410008

出　　处：《中南公路工程》2006年第2期21-24,32,共5页Central South Highway Engineering

基　　金：西部交通建设科技项目(200231800015)

摘　　要：从膨胀土湿胀干裂和强度衰减的工程特性出发,提出了膨胀土地区排水设计原则,介绍了膨胀土地区防排水主要技术措施。并以我国南方某公路两段路堑边坡防排水优化设计为例,说明排水和保湿防渗在膨胀土(岩)边坡稳定性方面所取的重要作用。Based on the expansive soil＇s engineering characters of wet swelling and season check and strength attenuation, this paper put forwarded the principle of drain design in expansive soil areas, discussed the main technology measures of water-proof and drain in expansive soil areas. Also, this paple provided two sections cutting slopes＇ optimized water-proof and drain design as examples to discussed the drain and moisture -retaining and impervious have a very important meaning in slope stability.

关 键 词：膨胀土 排水设计原则 防排水措施 优化设计 

分 类 号：U417.3[交通运输工程—道路与铁道工程]