Jack L. Mickle

Jack L. Mickle's Posts

The Mechanics of a Trench Collapse

Several hundred people die each year in trench collapses. Unfortunately, production and safety goals seem to be at odds when dealing with trench work. The soil that snuffs out life in a trench collapse is not only suffocating, it is crushing, weighing easily 120 pounds per cubic foot. To put that in perspective, keep in mind that a cubic yard is as heavy as an automobile. Read more

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