Structural Analysis
Bending moment, shear force, deflection, and truss analysis tools.
Bending Moment Calculator
Calculate bending moments and shear forces for beams with interactive diagrams.
Moment of Inertia Calculator
Calculate section properties including area, moment of inertia, section modulus, and radius of gyration for common structural shapes: rectangle, circle, I-beam, T-beam, channel, and triangle.
Retaining Wall Design Calculator
Calculate stability of cantilever and gravity retaining walls including Rankine earth pressures, overturning, sliding, bearing pressure, and stem design.
Truss Analysis Calculator
Analyze common roof trusses (Howe, Pratt, Warren, Fink, Scissors) using simplified method of joints. Get member forces, reactions, and deflection estimate.
Column Buckling (Euler) Calculator
Calculate Euler critical buckling load, critical stress, slenderness ratio, and allowable load for columns. Supports various end conditions and section shapes.
Shear Force Diagram Calculator
Calculate shear forces and bending moments for statically determinate beams with point loads, UDL, triangular loads, and applied moments.
Timber Beam Design Calculator
Design timber beams per NDS 2018 and Eurocode 5 standards. Check bending, shear, deflection, and bearing for sawn lumber.
Coefficient of Friction Calculator
Calculate static and kinetic coefficients of friction for material pairs. Determine friction force, angle of repose, and compare with standard values per ASTM G115.
Cantilever Beam Deflection Calculator
Calculate cantilever beam deflection, slope, and deflection/span ratio for point loads, UDL, UVL, and moment loads. Supports various sections and material presets.