00000nam 2200000za 4500 9.841707 CaOODSP 20221107152143 cr ||||||||||| 170815s1973 oncabd ob f000 0 eng d CaOODSP eng eng fre n-cn--- M34-20/181E-PDF M34-20/181 Coates, D. F., 1923- Rock anchors in mining [electronic resource] : a guide for their stability and installation / D.F. Coates and R. Sage, Mining Research Centre. Ottawa : Information Canada, 1973. vii, 47, [3] p. : chart, ill., map Technical bulletin ; TB 181 Cover title. "November 1973." Digitized edition from print [produced by Natural Resources Canada]. Includes bibliographical references (p. 24-25). “Rock anchors, i.e., tensioned cables or bars of much higher load capacity than conventional rock bolts, have been used for some time in civil engineering works and in some mining applications. It is expected that their use in mining will become more common. This report provides a summary of fabrication and installation procedures to guide engineers on mining properties"--Abstract, p. i. Includes abstract in French. gccst Mining industry gccst Engineering Sage, R. Canada. Natural Resources Canada. Canada. Mines Branch. Technical bulletin (Canada. Dept. of Energy, Mines and Resources. Mines Branch) TB 181 (CaOODSP)9.834857 PDF 1.53 MB https://publications.gc.ca/collections/collection_2017/rncan-nrcan/M34-20/M34-20-181-eng.pdf 300060