Geotechnics

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Gravel Calculator

Geotechnics

Estimate gravel volume in cubic yards and tons for driveways, walkways, drainage, and patio base. Six material densities, four shapes, compaction allowance, bags and...

Concrete Footing Calculator

Geotechnics

Estimate concrete volume and bag count for round piers, sonotubes, square pads, rectangular spread footings, and Bigfoot-style bell bases. Includes frost-depth check and per-footing...

Soil compaction factor (values)

Geotechnics

Soil compaction factor - the ratio of the actual density of the soil (soil skeleton) in the embankment, to the maximum density of the...

Coefficient of soil reaction (definition and average values)

Geotechnics

The coefficient of soil reaction (K, C) (coefficient of subgrade reaction) is a coefficient equal to the ratio of the pressure applied to any...

Soil Poisson’s ratio (determination and average values)

Geotechnics

Soil Poisson's ratio (lateral expansion coefficient or lateral deformation coefficient of the soil) is an indicator of soil deformability characterizing the ratio of lateral...