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TeachMeFinance.com - explain Apron (fore apron) Apron (fore apron) The term 'Apron (fore apron)' as it applies to the area of reclamation can be defined as ' A section of concrete or riprap constructed upstream or downstream from a control structure to prevent undercutting of the structure. A short ramp with a slight pitch. A floor or lining of concrete, timber, or other suitable material at the toe of a dam, discharge side of a spillway, a chute, or other discharge structure, to protect the waterway from erosion from falling water or turbulent flow'.
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