Author:Hemp, DA; Goldbach, ODDate:Sep 1990In this report the seismicity at three different sites was investigated during mining with backfilled and mining without backfill. In order to evaluate the effectiveness of backfill as regional support in reducing seismicity. The seismic ...Read more
Author:Squelch, APDate:Aug 1990This report documents the results of the in situ measurements carried out in the 68-52 stope at Vaal Reefs 5 Shaft. The in situ stress-strain behaviour of classified tailing backfill has been measured in panel P3. There is good agreement ...Read more