Example engineering calculations
Worked, unit-aware calculation worksheets across structural, mechanical, electrical and more. Open any example into your own workspace to edit and reuse. New to Calculeaf? Start with your first worksheet or the examples guide.
53 examples found
Hollow I-Section Second Moment of Area
Second moment of area of a built-up or hollow rectangular (I-type) section.
Wind Pressure on a Surface
Dynamic wind pressure on a surface from the wind speed.
Roof Snow Load
Design snow load on a roof from the ground snow load and a shape coefficient.
Cable Tension from Sag
Horizontal tension in a cable from its span, load and sag.
Cable Sag
Mid-span sag of a loaded cable from its tension, span and load.
Shear Flow in a Built-Up Beam
Shear flow at a joint in a built-up beam from the shear force and first moment of area.
Cantilever Deflection from End Moment
Tip deflection of a cantilever loaded by a moment at its free end.
Cantilever Beam Reaction (UDL)
Support reaction of a cantilever beam carrying a uniformly distributed load.
Centroid of a Composite Area
Centroid location of a two-part composite area.
Bolted Moment Connection Capacity
Tension force on the critical bolt row of a moment connection from the applied moment and lever arm, checked against the bolt group capacity.
Fillet Weld Group Shear Strength
Shear stress on the effective throat of a fillet weld group under a direct load, checked against the weld metal allowable stress.
Column Base Plate Bearing Pressure
Average bearing pressure under a steel column base plate on a concrete pier, checked against the allowable concrete bearing stress.
Anchor Bolt Tension Capacity
Tension demand per anchor bolt from a net uplift force, checked against the allowable tension capacity of a single anchor.
Block Shear Capacity of a Bolted Connection
Combined shear-yield and tension-fracture capacity along a bolted connection failure block, checked against the applied load.
Slip-Critical Bolted Connection Capacity
Friction-based slip resistance of a pretensioned bolt group, checked against the applied shear load.
Composite Beam Effective Flange Width
Effective width of a concrete slab acting compositely with a steel beam, taken as the lesser of a span fraction and the beam spacing.
Plate Girder Web Shear Buckling Stress
Elastic critical shear buckling stress of a thin plate girder web panel under shear loading.
Elastic Lateral-Torsional Buckling Moment
Elastic critical moment for lateral-torsional buckling of an unbraced steel beam, from a simplified closed-form expression.
Beam-Column Linear Interaction Ratio
Combined axial-plus-bending demand-to-capacity ratio for a beam-column, using the AISC-style linear interaction equation.
Seismic Base Shear (Equivalent Lateral Force)
Total seismic base shear on a building from the equivalent lateral force method, using a design spectral acceleration and response modification factor.
Wind Pressure and Force on a Building Face
Velocity pressure and resulting force on a building face from wind speed, air density, and a pressure coefficient.
Snow Drift Load at a Roof Step
Additional roof load from a snow drift accumulating against a roof step, from drift height and snow unit weight.
Prestressed Beam Bottom-Fibre Concrete Stress
Concrete stress at the bottom fibre of a prestressed beam, combining axial prestress, prestress eccentricity, and applied moment effects.
Prestress Loss from Elastic Shortening
Immediate prestress loss in a pretensioned concrete member caused by elastic shortening of the concrete as strands are released.