BLASTING IN SURFACE EXCAVATION

 Any blast optimisation programme calls for a clear understanding of the effects of principal blast parameters and their careful application.

The degree of fragmentation of rock depends on:

a. the rock’s characteristics;
b. the properties and quantities of explosives;
c. blast geometry;
d. blast size;
e. the priming method; and
f. the initiation sequence

Download fully PDF

        1. http://filewe.com/rwi6mt0hvpyi

        Or
        2.http://www.restfiles.com/q28y86qxmbjp/blasting-in-surface-excavation.pdf.html