标准号:IS 11315 Pt.1-1987
发布日期:1988/2/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard (Part 1) covers the method for the quantitative descrip-tion of orientation of discontinuities in rock mass by compass and clinometer method, and photogrammetric method.