Civil & Structural
Beams, concrete, steel sections & loads
Beam Bending Moment Calculator
Bending moment for common loadings
Shear Force Diagram Builder
Plot shear & moment along a beam
Concrete Mix Design Reference
Mix ratios and strength classes
Steel Section Properties Table
I, S, Z for standard steel sections
Load Combination Reference
ASCE/IBC load combinations
Soil Bearing Capacity Reference
Allowable bearing by soil type
Pile Load Calculator
End bearing & friction capacity
Drainage Slope Calculator
Slope from rise and run
Concrete Volume Estimator
Cubic volume for slabs, footings, columns
Masonry Wall Design Reference
Allowable stresses & reinforcement
Bridge Deck Load Reference
HS-20, HL-93 and similar loads
Traffic Load Reference
Vehicle load classes and impact