Steel beam
Rolled W-shape beams on any supports with line and point loads by load type: flexure for each unbraced segment, shear and deflection, with the ASCE 7-22 load combinations.
AISC 360-22
Steel beam in detail →Features
Every calculation type, one easy workflow
35 calculation types, grouped by material as in the app's new-calculation wizard. Each one checks the applicable provisions of its code, shows every step with its code section, and writes its own calculation report.
Steel 5 types
Beams, columns, base plates and composite beams, and the lightest W-shape that works. AISC 360-22 and the 16th Edition Steel Construction Manual
Steel column
W-shape, HSS and pipe members in compression or tension, with bending about both axes, shear and second-order effects.
AISC 360-22
Steel column in detail →Column base plate
Column base plates under axial load, uplift, moment and shear: plate bending, concrete bearing, anchor rods in concrete and shear lugs (AISC Design Guide 1).
AISC DG1, ACI 318-19
Column base plate in detail →Composite beam
Simply supported W-shapes acting with a concrete slab, solid or on metal deck: full or partial composite action, shear studs, the construction stage and deflection.
AISC 360-22 Ch. I
Composite beam in detail →Steel section selection
The lightest W-shape that passes every check of a steel beam or steel column calculation, within your depth limits, with the next lightest alternatives.
AISC 360-22
Steel section selection in detail →Wood 9 types
Sawn lumber, glulam, SCL and CLT members, shear walls, diaphragms and fasteners. NDS 2024, SDPWS 2021 and PRG 320
Sawn lumber beam
Sawn lumber beams and joists: bending, shear, bearing and deflection, with every NDS adjustment factor and each load duration.
NDS 2024
Sawn lumber beam in detail →Glulam and SCL beam
Glued-laminated timber, LVL and PSL beams: volume factor, beam stability, shear, bearing and deflection.
NDS 2024
Glulam and SCL beam in detail →Wood column and post
Sawn, glulam and SCL columns and posts in compression and bending: column stability and combined stresses.
NDS 2024
Wood column and post in detail →Wood stud wall
Bearing stud walls under axial load and out-of-plane wind: stability, combined stresses, plate bearing and wind deflection.
NDS 2024
Wood stud wall in detail →CLT panel
Cross-laminated timber floor and roof panels: bending, rolling shear, and deflection with shear deformation and creep.
NDS 2024, PRG 320
CLT panel in detail →Wood shear wall
Wood structural panel shear walls, segmented or perforated: unit shear, aspect ratio, hold-downs and drift.
SDPWS 2021
Wood shear wall in detail →Wood diaphragm
Blocked and unblocked wood structural panel diaphragms: unit shear, chord and collector forces, and deflection.
SDPWS 2021
Wood diaphragm in detail →Wood fastener connection
Bolts, lag screws, wood screws, nails and dowels with wood or steel side members: yield modes, withdrawal, combined loading and group action.
NDS 2024 Ch. 11 to 12
Wood fastener connection in detail →Wood bearing and notches
Bearing perpendicular, parallel and at an angle to the grain, and notched beam ends.
NDS 2024
Wood bearing and notches in detail →Concrete 6 types
Beams, columns, one-way and two-way slabs, walls and anchors in concrete. ACI 318-19
Concrete beam
Rectangular and T-beams: flexure, shear and stirrups, torsion, bar spacing and deflection, from the loads or from given forces.
ACI 318-19
Concrete beam in detail →Concrete column
Tied and spiral columns, rectangular or circular: axial load and moment interaction, biaxial bending, slenderness and ties.
ACI 318-19
Concrete column in detail →One-way slab
One-way slabs by the ACI coefficients or an elastic analysis: thickness, flexure, shear, and shrinkage and temperature steel.
ACI 318-19
One-way slab in detail →Two-way slab
Two-way slabs by the direct design method: column and middle strips, minimum thickness and punching shear at the columns.
ACI 318-19
Two-way slab in detail →Concrete shear wall
Reinforced concrete walls: in-plane shear, axial load and flexure, out-of-plane and slender wall checks, and special wall options.
ACI 318-19 Ch. 11, 18
Concrete shear wall in detail →Anchors in concrete
Cast-in headed anchors and hooked bolts, single or in groups, in tension and shear: every failure mode of ACI 318 Chapter 17, interaction and seismic requirements.
ACI 318-19 Ch. 17
Anchors in concrete in detail →Foundations 5 types
Spread, combined and mat foundations, pile caps and retaining walls. ACI 318-19, with your geotechnical values
Spread footing
Isolated footings under axial load, moments and shear: soil pressure, overturning, sliding, one-way and punching shear, flexure and bearing.
ACI 318-19
Spread footing in detail →Combined footing
Rectangular footings under two columns: soil pressure, shear and moment along the footing, top and bottom steel, and punching shear.
ACI 318-19
Combined footing in detail →Mat foundation
Rigid mats under several columns: soil pressure, punching shear at every column and strip moments both ways.
ACI 318-19
Mat foundation in detail →Pile cap
Pile caps on 2 to 9 piles: pile reactions, flexure, one-way and punching shear, with a deep-cap advisory.
ACI 318-19
Pile cap in detail →Retaining wall
Cantilever retaining walls: earth pressure with slope, surcharge and water, sliding, overturning and bearing, and the stem, heel and toe design.
ACI 318-19
Retaining wall in detail →Masonry 1 type
Reinforced CMU shear walls by strength design. TMS 402-22
Masonry shear wall
Reinforced CMU shear walls in-plane by strength design: axial load and flexure, shear, reinforcement limits and seismic detailing.
TMS 402-22
Masonry shear wall in detail →Cold-formed steel 2 types
C-section studs and joists, and sheathed shear walls. AISI S100-16 and AISI S400-20
Cold-formed steel stud
Cold-formed C-section studs and joists: effective section, axial load, bending, combined loading, web crippling and deflection.
AISI S100-16
Cold-formed steel stud in detail →Cold-formed steel shear wall
Sheathed cold-formed steel shear walls: strength by sheathing and fastener spacing, aspect ratio, chord studs and hold-downs.
AISI S400-20
Cold-formed steel shear wall in detail →Lateral loads 3 types
Wind pressures, seismic base shear and gravity load takeoff. ASCE 7-22
Wind loads
Main wind force resisting system and components and cladding pressures for enclosed and partially enclosed rigid buildings.
ASCE 7-22 Ch. 26 to 30
Wind loads in detail →Seismic base shear (ELF)
The equivalent lateral force procedure: period, seismic response coefficient with its limits, base shear, story forces and overturning.
ASCE 7-22 12.8
Seismic base shear (ELF) in detail →Load takeoff
Gravity loads from tributary areas to beams and columns, with live load and roof live load reduction.
ASCE 7-22 Ch. 4
Load takeoff in detail →Utilities 4 types
Continuous beams, plane frames, section properties and unit conversion. Any material
Continuous beam analysis
Continuous beams of any material, 1 to 6 spans with overhangs: shear, moment, deflection and reactions, with pattern live load.
Continuous beam analysis in detail →2-D frame analysis
Plane frames by the stiffness method: member forces, reactions and displacements for every load combination.
2-D frame analysis in detail →Section properties
Area, centroid, moments of inertia, principal axes, section moduli, radii of gyration and the torsion constant of common and built-up shapes.
Section properties in detail →Unit converter
Structural units with exact factors: length, force, moment, stress, line and area loads, unit weight, section properties and more.
Unit converter in detail →Documents
Calculation reports and drawings
Calculation reports
A clear PDF report for each calculation: inputs, load combinations, every check with its equation, values, result and code section, and the governing case, in the order a reviewer expects.
Drawings (PDF and DXF)
Elevations, plans and sections of the members, foundations and walls, with reinforcement and the shear, moment and deflection diagrams. Open the DXF in your CAD program or print the PDF.
Title blocks your way
Firm name, logo, sheet size and revision block, set once in your own defaults and adjusted per project when a job needs it.
Batch and schedules
Run a whole schedule of beams, columns or footings from a table, then export the reports together.
Working with ILX Calcs
Made for the way you work
LRFD and ASD
Pick the design method per calculation where the code offers both; the load combinations come along.
US and SI units
Enter in feet and inches or millimetres; switch at any time.
Your defaults, per project
Deflection limits, report and title-block settings inherit from your defaults, with project overrides.
Auto-design
Let ILX Calcs propose the lightest or most economical member that passes every check, then fine-tune it.
Live checks
Results update as you type, with the governing check and a hint on what to change.
Projects and history
Projects, search, pinned items, version history and a recycle bin keep your work safe.