宁淮高速公路石灰改善膨胀土路基施工工艺

正确评定膨胀土灰土路基的压实度、改善填土施工工艺是路基施工中的重要环节。本文总结了宁淮高速公路膨胀土路基试验段现场试验研究成果,提出了高含水量膨胀土填料的合理施工工艺、最大干密度评定、含水量快速测定等方法,用以指导全线施工工艺控制。

Construction Methods of Lime-improved Swelling Soil Road Banks of Ninghuai Expressway

Correctly determining the compaction degree of swelling soil and lime soil road banks and improving filling methods are important steps of road bank construction. In this article, the author concludes on-site test research results of swelling soil road banks of Ninghuai Expressway,provides some methods such as proper construction methods of high moisture content swelling soil filling materials, maximum dry density estimation methods, and moisture content quick-determination methods and so on. These methods can help engineers to make a whole-line construction method control.