Page 4 - 2 Nurul Eilmy
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INTRODUCTION
in
Crucial pa:
Excavatabil ity is defin ed as the abil ity of
Bl astin g stage
method pre-construction
a su 8ace excavation
(i.e. breakin g by mechan ical , bl astin g) to
Excavatability
u l timatel y produ ce a smal l er an d
size. Diggin g Assessment
man ageabl e rock
Rippin g
weathered
In tropically
:
- many unce:ainties
•
determin ation of rock mass an d rock
characteristic;
material
method;
•
sel ection of the excavation
an d
•
the types of machin ery;
rate
•
produ ction
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