三维激光扫描技术获取岩体RQD值中的应用

The Application of 3d Laser Scanning Technology in Rock RQD Data

由于传统的钻孔取芯法获取岩石质量指标RQD方法完全取决于钻孔布置数量和方向,且耗财费力,若钻孔数量有限,则误差较大。在三维激光扫描仪获取的大量三维数据中,采用布置测线的方法来计算RQD,可以减少误差,还可综合反映岩体的各向异性特征,方法简便易行,有着广泛的应用空间。

As the traditional drilling core method for rock mass index RQD method depends totally on its quantity and direction,which is a waste of resources and labours,if the drilling quantity is limited,which can cause obvious errors.In the process of the 3d data from 3d laser scanner lf the measuring lines are used,the methods calculate RQD can reduce the error.Meanwhile,the date can still comprehensively reflect the anisotropic rock,As the method can be put into practice easily,it will be used widely in many fields.