Cave-in (excavation)

Cave-in in an excavation is the detachment of the mass of soil in the side of trench and the sudden displacement inside the excavation which represent a hazard to the person inside.[1][2] Cave-ins is considered as the most critical risk beside other related hazards within trenches.[3][4][5]The reasons that lead to cave-ins fall between pressure on soil, vibration of equipment and excess loads. Cave-ins in excavation is prevented using sloping, shoring and shielding.[6]

## Contents

* 1 Rock and soil classifications
* 2 Types of cave-Ins
* 3 Cave-in accidents
* 4 References

## Rock and soil classifications

## Types of cave-Ins

## Cave-in accidents

## References

1. ↑ "Trenching and Excavation Policy » Environmental Health & Safety » University of Florida". http://www.ehs.ufl.edu/programs/os/trenching/. Retrieved 20 January 2018.
2. ↑ Carl O., Morgan. Excavation Safety: A Guide to OSHA Compliance and Injury Prevention. Government Institutes. pp. 10.
3. ↑ "Boonton company admits criminal fault in deaths of two workers in trench collapse". http://www.dailyrecord.com/story/news/crime/morris-county/2018/01/18/boonton-company-admits-criminal-fault-deaths-two-workers-trench-collapse/1043291001/. Retrieved 20 January 2018.
4. ↑ "Alabama construction company penalty for trenching hazard affirmed - Business Insurance". http://www.businessinsurance.com/article/20171222/NEWS08/912318114/Alabama-construction-company-penalty-for-trenching-hazard-affirmed. Retrieved 20 January 2018.
5. ↑ "Trenching and Excavation Safety". https://www.osha.gov/Publications/trench_excavation_fs.html. Retrieved 20 January 2018.
6. ↑ Labour, Government of Ontario, Ministry of. "Excavation Hazards (Fact Sheet)". https://www.labour.gov.on.ca/english/hs/sawo/pubs/fs_trenches.php. Retrieved 20 January 2018.

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