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. Cave-ins is considered as the most critical risk beside other related hazards within trenches.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.
Rock and soil classificationsEdit
Types of cave-InsEdit
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