兰新铁路K1771+310~K1774+083段路基处理检测分析

Analysis of Roadbed Treatment and Testing for Section K1771+310 to K1774+083 of Lanxin Railway

兰新铁路是我国最重要的铁路之一,铁路沿线长且沿线地形地质条件复杂,铁路建设中对路基处理及处理效果检测极其重要。针对兰新铁路K1771+310~K1774+083段路基在后期存在沉降变形较大、影响了工程安全和施工进度等问题,采用路基本体土样试验、地质补勘试验以及尺量法、低应变反射波法、钻孔取芯等方法相结合,对问题段进行路基本体密实度检测试验和地基处理措施检测试验,试验及检测结果对后期路基问题段工程整改和技术方案调整等具有重要指导意义,可为该工程路基处理提供数据支撑和方法指导。

Lanxin Railway is one of the most important railways in China,with a long and complex terrain and geological conditions along the railway.It is extremely important to inspect the roadbed treatment and treatment effect in railway construction.In response to the significant settlement and deformation of the roadbed in the later stage of the K1771+310~K1774+083 section of the Lanxin Railway,which affects engineering safety and construction progress,a combination of soil sample testing,geological survey testing,as well as measuring methods,low strain reflection wave method,drilling and core sampling were used to conduct road foundation density testing and foundation treatment measure testing on the problematic section.The test and detection results have important guiding significance for the rectification and technical scheme adjustment of the later roadbed problem section engineering,and can provide data support and method guidance for the roadbed treatment of this project.