城市轨道交通地下管线勘查专用钻头及应用

Special Drill for Underground Pipeline Exploration of Urban Rail Transit and Its Application

地下管线对轨道交通建设影响重大,查明地下管线位置有诸多难点,普通方法探测精度和准确度难以保证安全,采用钻探方法和专用钻头勘查地下管线,可以精确探明深埋管线和近距离并行管线位置,在工程中应用证明,专用钻头简单方便、安全可靠;专项勘查,可采用小型轻便钻机和小口径钻孔,钻探与物探方法结合能提高安全度、精确度和效率。

The underground pipeline has a great influence on the rail traffic construction,and there are many difficulties in locating the underground pipeline,there are many difficulties in locating underground pipelines,common method of detection accuracy and accuracy is difficult to guarantee safety,using drilling method and special drill bit exploration underground pipeline,can accurately explore the deep buried pipeline and close distance parallel pipeline location,the application of proven,dedicated bit is simple and convenient,safe and reliable;Special exploration can use small portable drilling machine and small hole drilling,the combination of drilling and geophysical methods can improve safety,accuracy and efficiency.