Factors affecting fragmentation Flashcards
1
Q
what is fragmentation reliant on
A
powder factor
distribution within the rock mass
2
Q
Key issues
A
blasthole diameter, burden, toe spacing
3
Q
Burden
A
critical to the fragmentation produced and the quantity of coarse material
4
Q
Stemming
A
longer the stemming material the greater degree of fragmentation
5
Q
Delay interval
A
Delay interval between rows and holes can affect the fragmentation