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

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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.

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