Construction Mr. O’Rourke

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Presentation transcript:

Construction Mr. O’Rourke Earthwork Construction Mr. O’Rourke

What is Earthwork? Earthwork is the modifying of earth in order to make it suitable for construction.

Seven forms of Earthwork: Stabilizing Loosening Excavating Adding Moving Disposing Finishing

Stabilizing Earth Stabilizing prevents cave-ins Sloping Retaining walls Coffer dams

Loosening Soil Hard Earth must be loosened Blasting Air Hammering

Excavating Removing Earth Digging a foundation Dredging Boring a tunnel

Adding Earth Raising the grade Better the soil

Moving Earth Transferring soil Conveyors Earthmovers Trucks

Disposing of Earth Earth is: Used Dumped Sold

Finishing Earthwork Washing-rocks Trimming-holes Compacting-removing air Grading-leveling

Earth’s Ingredients: Rock Soil Mixture Must be modified before building upon

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