Expert Guide
Earthwork & Excavation
Soil Swell & Shrinkage Calculator
Quality Inspector
Find volume changes during excavation and filling.
📐 Formula & Method
Loose = Bank × (1 + Swell/100). Compacted = Bank × (1 - Shrinkage/100).
Loose = Bank × (1 + Swell/100)
Compacted = Bank × (1 - Shrink/100)
📋 Worked Example
10 m³ bank, 25% swell, 10% shrinkage: • Loose = 12.5 m³ • Compacted = 9 m³
❓ Frequently Asked Questions
Compaction removes air and water from the soil, packing the particles closer than their natural state.
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