Site exploration methods Flashcards
1
Q
What are the site exploration methods
A
1-Test pits
2-Boreholes
3-Probes (In situ tests)
4-Geophysical
2
Q
Test pits
A
Excavator
Visual inspection
Disturbed samples
3
Q
Boreholes
A
Drilling techniques;
Continuous flight auger: (max of 25 to 30 m)
Solid: withdraw drilling tool to sample
Hollow stem: sample through center of drill tool
Rotary wash boring (can go up to 1000m- drill mud into the hole to prevent hole from collapsing)
Rotary core drilling
