Excavations Flashcards
1
Q
In an excavation, when collapse occurs, what may be the reason??
A
Vehicles/tools too close to excavation.
Type of ground (e.g. Too soft)
Vibrations in ground
Slope in ground
Water content
Proximity of other excavations
2
Q
Why can soil be regarded as unstable?
A
Lack of compaction
Vibration of traffic
Weather conditions-dry. Will crumble may make an excavation cave in
Weather conditions-wet. Will hold water and become slippery and slogey.