Earthwork Volume (Prismoidal)
Earthwork IS 3764:1992~2 min
Calculate earthwork volume for road embankments and cuttings using the prismoidal formula.
Formula
V = L/6 × (A1 + 4Am + A2)
Input Parameters
Results
Volume (Prismoidal)
450.00m³
Volume (Mean Area)
450.00m³
Volume (End Area)
450.00m³
Step-by-Step Method
- 1Measure cross-sectional areas at both ends and mid-section.
- 2Prismoidal formula: V = L/6 × (A1 + 4Am + A2).
- 3This gives more accurate results than the mean area method.
Engineering Notes
- •Prismoidal formula is most accurate for irregular sections.
- •Add 20–30% for bulking of excavated soil.
Code Reference
IS 3764:1992
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