摘要
激光指向仪具有价格低廉、安装调试简单、发射可见光、使用方便等特点,可以快速准确地标定巷道中线、腰线位置,从而有效地控制巷道的超欠挖。在巷道内合理使用激光指向仪,能大大地提高巷道施工质量和速度。
A laser pointer has characteristics of the low price, simple installation, launching the visible and used easily and so on. You can quickly and accurately calibrate the roadway center line, waistline position by use of a laser pointer, which can effectively control the roadway due to the ultra-dug. To use a laser pointer reasonably in the roadway can greatly enhances the quality and speed of roadway construction.
出处
《北京测绘》
2009年第4期72-74,共3页
Beijing Surveying and Mapping
关键词
激光指向仪
巷道施工
放样测量
应用
Laser Pointer
Tunnel Construction
Lofting measurement
Application
