— Earthwork Volume — Average End Area & Prismoidal
Volume of earthwork between two cross-sections by the average-end-area method V = L(A1+A2)/2 and, when a mid-section area is supplied, the more accurate prismoidal formula V = L(A1+4Am+A2)/6.
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— Earthwork Volume — Average End Area & Prismoidal
Volume of earthwork between two cross-sections by the average-end-area method V = L(A1+A2)/2 and, when a mid-section area is supplied, the more accurate prismoidal formula V = L(A1+4Am+A2)/6.