...B. Tang; H. Mitri This paper describes a three-dimensional numerical modelling technique for the simulation of rock preconditioning by destress blasting in hard rock mining operations at depth. Rock preconditioning is commonly practised in high-stress environments as a means for the alleviation...

...E. C. Drumm; M. Mauldon; C. R. Tant Surface mine operations in the southern Appalachian mountains of the USA have left numerous unstable or marginally stable waste rock slopes. These slopes, which were created by dumping waste material downslope, comprise low-density, random-size material ranging...