Define abrasion - underwater inspection of bridge, Civil Engineering

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Define Abrasion - underwater inspection of bridge?

Deterioration of substructures by abrasion is caused by wave action, the velocity of the currents and the action of suspended particles of sand and silt in moving waters. Any one or a combination of these can reduce the section with the passage of time. Deterioration of sections by abrasion can be detected by the worn, smooth appearance of the surface.


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