摘要
广西作为我国碳酸盐岩分布面积最广、岩溶最发育的地区之一,岩溶路基病害问题普遍存在于广西高速公路的建设之中,其中,可溶岩与非可溶岩接触带处的岩溶通常较为发育。文章以崇左至水口高速公路K34+600~K35+000段可溶岩与非可溶岩接触带处的岩溶路基为例,通过综合勘察,分析了该可溶岩与非可溶岩接触带位置岩溶发育模式与发育特征,并对该处岩溶路基的稳定性进行评价,提出了相应的处治建议。
Guangxi is one of the most developed karst areas in China,with the most widely distributed carbonate,and the disease problem of karst roadbed is prevalent in the expressway construction in Guangxi, among them,the karst at contact zone between soluble rock and non-soluble rock is usually more developed.With the karst subgrade at the contact zone between soluble rock and non-soluble rock within K34＋ 600- K35 ＋ 000 section of Chongzuo-Shuikou Expressway as the example, and through comprehensive investigation, this article analyzed the karst development model and developmerit characteristics at contact zone between soluble rock and non-soluble rock, evaluated the stability of this karst subgrade, and proposed the corresponding treatment recommendations.
出处
《西部交通科技》
2017年第4期63-65,99,共4页
Western China Communications Science & Technology
关键词
岩溶
路基
可溶岩与非可溶岩接触带
角度不整合
稳定性
处治
Karst
Subgrade
Contact zone between soluble rock and non-soluble rock
Angle unconformity
Stability
Treatment
