Geotechnical Engineering Simulators

Estimate Theis pumping-test drawdown from pumping rate, transmissivity, storage coefficient, observation distance, and elapsed time.

Asphalt Pavement Rut Depth Prediction Simulator: Predict permanent deformation (rutting) of an asphalt pavement with the Jenkins empirical equation (LRRB 99-…

Explore the boundary water contents at which a fine-grained soil — a clay or a silt — passes between its solid, semi-solid, plastic and liquid states.

Evaluate Winkler-beam deflection, peak soil reaction, and utilization from point load, flexural rigidity, and subgrade modulus.

Visualize deflection, bending moment, and shear along a beam on an elastic (Winkler) foundation, with live foundation reaction and characteristic length.

Calculate soil bearing capacity instantly with Terzaghi & Meyerhof formulas. Includes shape, depth corrections, elastic settlement, and safety factors.

See how a concentrated load applied at the ground surface spreads down and outward through the soil mass.

Design the strut support for a braced excavation (braced cut) dug deep for an underground structure.

Design a combined footing — a single footing that supports two columns.

Simulate constant-head permeability tests for coarse soils. Calculate permeability coefficient, hydraulic gradient, and Darcy velocity in real-time using Darcy's law.'s law. Vary the sample area, length, head difference, collected volume and time to compute flow rate, hydraulic gradient and Darcy velocity.

Rankine earth pressure simulator. Compute active Pa, passive Pp and at-rest Ko pressures on retaining walls in real time, with live phi/gamma/H/q diagrams.

Convert earthquake magnitude (M3–9.5) to PGA, JMA seismic intensity, and MMI scale in real time. Calculate seismic moment, energy release, TNT equivalent, and attenuation curves.

Calculate post-liquefaction ground settlement using the Tokimatsu-Seed method. Essential tool for geotechnical engineers assessing seismic soil stability.

Reproduce the falling-head permeability test used to measure the coefficient of permeability (hydraulic conductivity) of a fine-grained soil.

Flow Net Seepage Simulator: Solve the seepage flowing under a dam or a sheet-pile wall with a flow net. Adjust the head difference, permeability, number of f…

Calculate foundation settlement with our free tool. Input soil data, load, and dimensions to get Terzaghi bearing capacity, safety factor, and consolidation results instantly.

Geofoam EPS Lightweight Embankment Settlement Simulator: When you build a road or bridge-approach embankment on soft ground, conventional fill keeps settling…

Ground Anchor Pull-Out Capacity Simulator: Instantly compute the pull-out capacity of a ground anchor — essential for retaining walls, earth-retention, dam f…

Calculate fracture initiation pressure, closure pressure, and fracturing window from in-situ stress, pore pressure, and rock strength in real time.

Landslide Slope Stability Factor (Bishop Simplified Method) Simulator: Solve the factor of safety Fs of a slope with an assumed circular slip surface using t…

Assess earthquake-induced soil liquefaction potential instantly with the FL Method. Input SPT-N, fines content, groundwater depth, and seismic data for real-time analysis.

Permafrost Thaw & Active Layer Depth Simulator: Predict the summer active layer depth in permafrost terrain using the Stefan equation. Change the mean an…

Solve Darcy flow through porous media interactively. Pick medium and fluid, set pressure gradient and area, then compute Darcy velocity, flow rate and seepage Re.

Calculate single pile & pile group bearing capacity in real-time using α, β & SPT-N methods for friction and end bearing.

Calculate pile foundation bearing capacity instantly. Input diameter, length, soil type & strength for tip resistance, skin friction & ultimate load.

Use the beta-method to calculate the downdrag — the negative skin friction — that a consolidating soft layer applies to a pile.

Plate Load Test Simulator: Scale bearing plate settlement data to predict full-size foundation performance. Adjust plate width, pressure, soil type instantly.'s settlement and subgrade modulus, with the size scale effect for sand and clay. Adjust plate width, foundation width, pressure and soil type.

Proctor Compaction Test Simulator: A tool for the soil compaction test that controls how reliably embankments and pavements are compacted. Enter a single com…

Design retaining walls with stability analysis using Rankine & Coulomb theories. Calculate real-time safety factors for overturning, sliding, and bearing capacity.

Percussion Rock Drilling Energy Simulator: A design tool for DTH (Down-The-Hole), top-hammer and rotary percussion drills. Adjust piston mass, velocity, blow…

Interactively simulate earthquake epicenter distance estimation using the velocity difference between P-waves and S-waves. Visualize the initial microtremor duration, Omori's formula, and the mechanism of Earthquake Early Warning.

Seismic Wave Propagation Simulator: Real-time animation of P-wave and S-wave propagation, reflection, and refraction through Earth's interior layers. Visuali…'s layers in real-time. See P-waves, S-waves, reflection, refraction, and the shadow zone.

Explore how a cantilever sheet pile wall — with no anchors and no struts — stands up purely by being driven deep into the ground.

Calculate slope stability with the Newmark method. Input geometry, soil strength, and quake data to get factor of safety, yield acceleration, and permanent displacement.

Calculate slope safety factors in real-time using the simplified Bishop method. Set geometry, soil parameters, and groundwater level for stability analysis.

Calculate soil bearing capacity with Terzaghi's formula. Adjust cohesion, friction angle, and footing geometry for ultimate (qu) and allowable (qa) results.

Soil Consolidation Settlement Calculator: Compute final settlement and consolidation time for clay using Terzaghi's 1D theory. Adjust compression index, consolidation coefficient.'s theory. Free online tool for geotechnical engineering analysis.

Calculate liquefaction potential using the Seed-Idriss method. Input SPT N-values for real-time CSR, CRR, and Factor of Safety analysis with depth.

Visualize Mohr circles and Coulomb failure in real time. Calculate Terzaghi bearing capacity and consolidation settlement for shallow foundations.

Soil Moisture Tensiometer & van Genuchten Model Simulator: Compute volumetric water content, field capacity, wilting point, available water content and plant…

Soil Nail Wall Simulator: Design a soil-nailing system that reinforces a cut slope or excavation face with grouted steel nails. Adjust the nail length, drill…

Calculate soil hydraulic conductivity with our permeability tool. Enter constant-head or falling-head test data, apply Darcy's law, and compare results to typical soil types.

Take a measured Standard Penetration Test blow count and correct it for hammer efficiency, rod length and effective overburden stress to obtain N60 and (N1)60 for design.

Stone Column Ground Improvement Simulator: Design tool for the stone column (vibro-replacement) method, in which stiff gravel columns are installed on a regu…

Visualize ground reaction & support curves in real-time. Instantly compute NATM tunnel support design using Mohr-Coulomb elasto-plastic theory.

Vertical Drain Consolidation Simulator: Calculate how vertical drains, installed in a regular grid through soft clay, accelerate consolidation, using Barron'…'s radial-consolidation theory. Find the degree of radial consolidation of soft clay from drain spacing, diameter, layout pattern and elapsed time, and design ground improvement that meets the schedule.