Soil Mechanics

Compaction, consolidation, permeability, and Atterberg limits tools.

Proctor Compaction Calculator

Calculate maximum dry density and optimum moisture content from Proctor compaction test data. Supports Standard Proctor and Modified Proctor methods.

6,000–14,000 Opportunity Score: 90

#25 Ranked

Soil Permeability / Darcy's Law Calculator

Calculate flow rate, hydraulic gradient, discharge velocity, and seepage velocity using Darcy's Law. Supports constant head and falling head permeability tests with temperature correction.

4,000–10,000 Opportunity Score: 85

#36 Ranked

Atterberg Limits Calculator

Determine liquid limit, plastic limit, plasticity index, liquidity index, flow index, toughness index, and USCS soil classification from Atterberg limits test data.

5,000–10,000 Opportunity Score: 82

#40 Ranked

Degree of Consolidation Calculator

Calculate degree of consolidation, settlement at time t, and final consolidation settlement per Terzaghi 1D theory. Supports NC and OC clay with Casagrande time estimates.

5,000–10,000 Opportunity Score: 82

#46 Ranked

Slope Stability / Factor of Safety Calculator

Calculate factor of safety for slope stability using infinite slope, planar failure, Fellenius, and Bishop simplified methods. Supports pore pressure, tension cracks, surcharge, and seismic loads.

4,000–9,000 Opportunity Score: 84