Expert Guide
Earthwork & Excavation
Soil Compaction Calculator
Quality Inspector
Verify soil compaction quality on site.
📐 Formula & Method
Compaction % = (Field Density / MDD) × 100. Standard requirement is usually 95% or more.
Compaction % = (Field / MDD) × 100
📋 Worked Example
1800 field density / 1950 MDD = 92.3% compaction.
❓ Frequently Asked Questions
Maximum Dry Density is the highest density achievable for a soil under specific compaction effort, determined in a lab through the Proctor test.
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