Structural Engineering
Structural engineering calculators for steel beams, columns, wind loads, seismic design, wood and masonry structures.
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Steel Beam Selection Calculator
Determine required section modulus, moment of inertia, and approximate beam weight for steel beam design with uniform and point loads.
Column Buckling Calculator
Calculate Euler critical buckling load, critical stress, and slenderness ratio for columns with various end conditions.
Concrete Column Design Calculator
Design reinforced concrete columns per ACI 318: calculate gross area, steel area, steel ratio, and axial load capacity.
Wood Beam Design Calculator
Check bending adequacy of wood beams per NDS ASD: compare actual bending stress against adjusted allowable stress.
Connection Design Calculator
Calculate bolted steel connection capacity: shear, bearing, and overall connection strength for A325 and A490 bolts.
Moment Frame Analysis Calculator
Analyze lateral forces on a moment frame using the portal method: column shear, moments, base shear, and drift.
Wind Load Calculator
Calculate wind pressures and forces on buildings per ASCE 7: velocity pressure, windward/leeward pressures, and base shear.
Seismic Base Shear Calculator
Calculate seismic base shear using the ASCE 7 equivalent lateral force procedure: V = Cs × W.
Snow Load Calculator
Calculate flat roof snow load, sloped roof snow load, and drift loads per ASCE 7 using pf = 0.7CeCtIpg.
Deflection Checker Calculator
Check beam deflection against code limits (L/240, L/360, L/480, L/600) using δ = 5wL⁴/(384EI).
Composite Beam Design Calculator
Design steel-concrete composite beams: calculate composite capacity, PNA location, required shear studs, and strength gain.
Prestressed Concrete Calculator
Estimate prestress losses (elastic shortening, creep, shrinkage, relaxation) and effective prestress for pretensioned concrete members.
Masonry Wall Design Calculator
Design reinforced masonry walls: check slenderness, compressive capacity, moment capacity, and load adequacy.
Plate Girder Design Calculator
Design steel plate girders: check moment capacity, shear capacity, web and flange slenderness, and compactness.
Timber Connection Calculator
Design bolted timber connections per NDS: calculate reference design values, group action factor, and connection capacity.
Anchor Embedment
Illustrative tension embedment — verify with ICC-ES data.