230 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 30 types
Beams, columns, base plates, composite, castellated and web-opening beams, joists, deck, trusses, stairs, lintels, crane runway and monorail beams, guard posts, torsion, eccentric bolt and weld groups, stability bracing, floor vibration and concrete-filled HSS columns, and the lightest W-shape that works. AISC 360-22, the 16th Edition Steel Construction Manual, the AISC Design Guides, SJI 100-2020 and AISI S100-16
Steel beam
Beams of rolled I-shapes, channels, HSS, pipe, tees, single and double angles, bars, and built-up I-shapes and plate girders with transverse stiffeners and tension field, on any supports with line and point loads by load type: flexure about the chosen axis for each unbraced segment, shear and deflection, with the ASCE 7-22 load combinations. Biaxial bending is in the steel column.
Rolled I-shapes, channels, tees, HSS, pipe, single and double angles and built-up sections in compression or tension, with bending and shear where the code covers the family, and second-order effects.
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).
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.
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.
Steel beams loaded off their shear center: W shapes, channels, plate girders and HSS, exact torsion solution with warping and St. Venant stresses, combined with flexure, rotation limit (AISC 360-22 H3, Design Guide 9).
Eccentrically loaded bolt groups by the instantaneous center and elastic methods, any pattern, bolt shear, bearing, tearout and slip, compared with the AISC Manual tables (AISC 360-22 J3, Manual Part 7).
Fillet weld groups under an eccentric load by the instantaneous center and elastic methods, every shape of the Manual tables and custom segments, required size and limits, compared with the AISC Manual tables (AISC 360-22 J2, Manual Part 8).
Required strength and stiffness of point, panel and torsional braces for columns, beams and beam-columns, with a check of the brace you have (AISC 360-22 Appendix 6).
K, LH, DLH and KCS open-web steel joists checked against the load-table values you enter: moment and shear envelopes, end reaction, deflection, bearing, bridging rows and camber (SJI 100-2020, COSP 2020).
Fluted roof and form deck from the manufacturer's section properties: strength, web shear and crippling, deflection and the construction stage, one to six spans (AISI S100-16; SDI items marked to confirm).
Bare fluted steel deck as a diaphragm: support and sidelap fasteners, corner, edge and panel-end limits, panel buckling, wind uplift interaction, stiffness and deflection (AISI S310 and S100).
Preview The app labels its results not yet verified.
Pick a layout, span and pitch: roof and floor trusses in WT, double angle, W and HSS, chords with axial and bending, webs and deflection, sized automatically to AISC 360. Joints are not designed.
Steel lintels over masonry openings: angles, double angles, W, channel or HSS with or without a plate, arching triangle, flexure, shear, deflection, bearing and a torsion advisory.
Vibration of steel-framed floors, bridges and stairs by AISC Design Guide 11: walking, rhythmic activity, sensitive equipment and occupants, linear monumental stairs.
Steel stairs on channel, HSS, W or plate stringers: IBC and OSHA geometry, stringer by the horizontal plane method, tread plate, header and rear beams, landing post or hanger, guard and handrail, optional seismic (AISC Design Guide 34, AISC 360-22). Connections go to ILX Connection.
Web openings in steel and composite W beams, rectangular or circular, with or without bars: moment-shear interaction, tees, proportions, welds, and where the opening may sit, AISC Design Guide 2.
Crane runway beams, W-shape with or without a cap channel: wheel position, impact, side thrust, biaxial flanges, web sidesway buckling, deflection and fatigue, AISC Design Guide 7 and ASCE 7-22.
Castellated and cellular beams, symmetric or asymmetric, noncomposite or composite: Vierendeel bending of the tees, web post buckling, shear on the net and gross sections and deflection, AISC Design Guide 31.
Handrail, guard and vehicle barrier posts: the code loads, post flexure, shear and compression, deflection, plate, weld and cast-in rods, or a post on a channel stringer, ASCE 7-22 4.5, AISC Design Guide 34.
Monorail beams, S or W, simple span or overhang: the overhang's Cb, impact, lateral load on the flange, shear and deflection, AISC 360-22, ASCE 7-22 4.9. The flange's local check is your entered wheel load.
Shapes, plates and threaded rods in tension: yielding, rupture with shear lag and staggered holes, block shear and bolt bearing at the end, and the slenderness recommendation (AISC 360-22 Chapter D).
Beams under concentrated loads, hangers and moment-frame flange forces: flange bending, web yielding, crippling and buckling, panel-zone shear, with stiffeners and web doublers when needed (AISC 360-22 J10).
W-shape beams and columns at an elevated temperature by the simple methods, and the sprayed or gypsum board protection a rating needs (AISC 360-22 Appendix 4, IBC 2021).
Flat roof framing under rain or snow: the ponding check of primary and secondary members by the simplified and stress-index methods (AISC 360-22 B3.10).
Beams and columns of seismic systems: width-to-thickness limits for moderately and highly ductile members, stability bracing, column strength with overstrength loads and strong-column weak-beam (AISC 341-22).
Welded I-girders built from plates: flexure, shear panel by panel with tension field action, intermediate and bearing stiffeners, flange-to-web welds, proportions and deflection (AISC 360-22).
Wood structural panel shear walls, segmented, perforated or with force transfer around openings: unit shear, aspect ratio, strap forces, hold-downs and drift.
Blocked and unblocked wood structural panel diaphragms for real roofs: one span, several spans or a cantilever, openings, unit shear, chord and collector forces, deflection and flexibility.
Stacked CLT shear walls of rocking panels by SDPWS 2021 Appendix B: connector and panel shear, hold-downs at twice the connector capacity, the compression zone, deflection and drift.
A continuous rod up a stacked wood shear wall: rod tension, bearing plates, compression posts, shrinkage and take-up travel, chord deformation, wall deflection and story drift.
Deck and floor ledgers on a wood rim, a concrete wall or a grouted masonry wall: bolt and lag screw values through sheathing and washers, spacing, edge distances and the IRC table as a comparison.
Flitch-plate beams with one or two steel plates: load sharing by stiffness, wood and plate checks, the bolts that transfer the load, deflection with creep.
Prefabricated wood I-joists from the APA table or a manufacturer's values: moment, shear, reactions and bearing, stiffeners, deflection with shear, cantilevers.
Sloped rafters with a ridge board or structural ridge: the thrust at the heel, ceiling joist or raised tie, birdsmouth, heel nailing and the IRC heel table as a comparison.
Preview The app labels its results not yet verified.
Pick a layout, span and pitch: roof and floor trusses in sawn lumber, chord axial and bending, webs, bearing and deflection, sized automatically to ANSI/TPI 1 and the NDS. Plates are not designed.
Exposed sawn timber, glulam, SCL and CLT in a fire of 1 to 2 hours: char depth, the remaining section and its bending, shear, compression and bearing (NDS 2024 Chapter 16).
Split rings and shear plates in wood: species group, member thickness, load at an angle to the grain, edge, end and spacing, group action and steel side plates (NDS 2024 Chapter 13).
Every species and grade of the NDS 2024 Supplement, sawn lumber, timbers and glulam, with each adjustment factor and its condition: adjusted values for ASD and LRFD.
Shrinkage of each piece, each story and the whole stack of a multi-story wood frame as it dries from the installed to the in-service moisture content, against your movement limits.
Bolts or drift pins through wood with steel side plates or a knife plate: yield modes, group action, spacing, net section and tear-out of the wood, and the steel plate (NDS 2024, AISC 360-22).
Bolt and lag screw groups under moment and eccentric shear, such as knee braces and brackets, each fastener at its own angle to the grain (NDS 2024 Chapters 11 and 12).
Glulam rivets through steel side plates: rivet and wood capacity along and across the grain, plate thickness, spacing, end and edge distances (NDS 2024 Chapter 14).
Sawn and glulam beam ends notched on the tension or compression face, taper cuts and interior notches: shear at the notch, bearing, net section and the notch limits of the code (NDS 2024).
Walking vibration of sawn, I-joist and truss floors: live load deflection, the 1 kN deflection criterion and the frequency-deflection criterion, with your limits as inputs.
Nailed or bolted built-up columns of 2 to 5 laminations and spaced columns with end blocks, with their fastening rules and slenderness limits (NDS 2024 Chapter 15).
Round timber poles and piles: tabulated values, treatment, the critical section, tapered column stability, bending at the ground line and the embedment depth by IBC 1807.3 (NDS 2024 Chapter 6).
Two-way shear at columns and concentrated loads: interior, edge, corner and circular, openings, moment transfer, drop panels, stirrups and headed studs.
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.
Expansion, screw, undercut and adhesive anchors with the values of the evaluation report you enter: steel, breakout, pullout, bond, sustained tension, pryout, interaction, edge and spacing limits and seismic design.
Development length of deformed bars: straight, standard hook and headed in tension, compression, and tension and compression lap splices, with every modification factor.
A post-tensioned one-way slab or a strip of a two-way slab by load balancing: hyperstatic moments, service stress class, transfer, strength with fps and minimum steel.
Shear across a plane and composite interfaces: reinforcement, friction coefficients, inclined bars, tension and compression across the plane, the code limits and development.
Steel plates with welded headed studs in a concrete face: stud forces under moment, shear and tension, steel and concrete limit states, plate bending and bearing.
Concrete floor and roof diaphragms: in-plane shear, chords, collectors, shear transfer into the walls, toppings on precast and an opening, from an entered force.
Coupling beams between special structural walls: diagonal bars or a special moment frame beam as ACI 318-19 18.10.7 allows, confinement, capacity-design shear and development into the walls.
Dapped ends of precast beams and stems: nib flexure and tension, direct shear, hanger bars, diagonal tension and bearing by the PCI Design Handbook failure modes.
Site-cast wall panels spanning floor to roof, solid or with a door or window opening: slender wall method with P-delta, service deflection and minimum reinforcement.
Fire-resistance ratings of concrete walls, slabs, beams and columns: thickness by aggregate, finishes, cover for restrained and unrestrained members, and column size (IBC 722.2, ACI 216.1).
Spread, wall, pole, combined and strap footings, mats, slabs on grade, grade beams on soil springs, pile caps, pile groups and lateral piles, and retaining, basement, gravity, segmental, gabion, sheet pile and soldier pile walls. ACI 318-19 and IBC 2024, 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.
Continuous strip footings under concrete, masonry or stud walls: soil pressure with eccentricity, overturning, sliding, one-way shear, transverse flexure, development and steel along the wall.
Posts and poles embedded in soil or a concrete footing: nonconstrained and constrained embedment depth, lateral and vertical bearing, backfill rules, with the isolated-pole increase as your choice.
An exterior footing at a property line tied to an interior footing by a strap beam: rigid strap reactions, bearing, strap flexure and shear, footing bending and shear, and punching at the interior column.
Single piles under lateral load by the Broms method: short and long piles in cohesive and cohesionless soil, free or fixed head, with the embedment and the deflection at grade.
Grade beams on soil springs with point, line and moment loads: deflection, shear, moment and soil pressure, with lift-off, plus concrete flexure and shear.
Unreinforced slabs on grade under rack posts or lift-truck wheels: interior, edge and corner stresses by Westergaard against the allowable flexural stress, with nearby loads and the critical aisle moment.
Concrete walls propped at the top by a floor: at-rest or active pressure, surcharge and water, propped or simple span, axial load and flexure, and the reaction to the diaphragm.
A steel sheet pile wall, cantilever or anchored, in layered soil with water on both sides: penetration, anchor force, moment and first yield of the section.
Ultimate bearing capacity of shallow foundations by the method the engineer chooses, groundwater and eccentric loads, with the immediate and consolidation settlement of a layered profile.
A single pile in layered soil by the p-y method, clay and sand curves, free or fixed head, with deflection, moment and soil reaction along the pile (FHWA GEC 9).
Drilled shafts in soil and rock: side and base resistance, rock sockets, uplift, lateral response and the shaft designed as a circular concrete column (FHWA GEC 10, ACI 318-19).
Helical piles in clay and sand: bearing of each helix or cylindrical shear, capacity from the installation torque, shaft buckling in soft soil and the IBC limits.
Axial pile capacity from a cone penetration sounding by the LCPC or Eslami-Fellenius method, your choice: side and base resistance in compression and tension.
Circular slip surfaces in a layered slope by the Bishop simplified method, with the ordinary method for comparison: water table, crest surcharge and a search for the critical circle (UFS 3-220-10).
Liquefaction triggering from SPT or CPT soundings by Boulanger and Idriss (2014) or Youd et al. (2001): factor of safety by layer and a post-liquefaction settlement estimate (ASCE 7-22).
Stone columns and rammed aggregate piers: area replacement, stress concentration, column bearing, settlement of the improved ground and composite strength (FHWA GEC 13).
Reinforced CMU lintels and beams by strength or allowable stress design: arching, point load dispersion, flexure, shear, deflection, bearing and reinforcement limits.
Reinforced CMU walls out-of-plane by strength design: second-order moment by iteration or the magnifier, flexure with axial load, shear and service deflection.
Masonry pilasters with their wall: wall load to the pilaster, the wall as a flange, axial load and flexure each way, second-order moments, shear, flange transfer, deflection and ties.
Bearing under beams and concentrated loads on masonry: bearing area, the spread along the wall, bearing under a bond beam and the load per foot for the wall check.
Cast-in anchor bolts in masonry, in the top or side of a wall: breakout, steel, pullout, crushing, pryout, edges and group overlap, combined tension and shear.
The strip of a masonry wall beside openings: load from the openings along the height, axial load and flexure, second-order moments, shear and deflection.
Veneer ties for anchored masonry veneer: the permitted method, spacing or the force in the tie, cavity and tie components, backing and height limits, and stability.
Cantilever masonry retaining walls on a concrete footing, the stem by strength or allowable stress: earth pressure, sliding, overturning and bearing, stem flexure with second-order moments, shear, deflection, lap of the bars on the dowels, and the footing.
Unreinforced masonry walls and partitions kept uncracked, by allowable stress or strength design: flexural tension, axial and flexural compression, buckling, shear and deflection.
Masonry panels in a bounding frame: the equivalent strut, in-plane shear, out-of-plane arching and the forces for the frame, or isolated panels with their joints and connectors (TMS 402 infill chapter; 402-22 numbering to confirm).
Post-tensioned concrete masonry walls per foot: tendon stresses, stresses at transfer and after losses, net tension, buckling, moment strength, shear and anchorage bearing (TMS 402 Chapter 10; 402-22 numbering to confirm).
Autoclaved aerated concrete masonry walls out of plane, reinforced or unreinforced: flexure with P-delta, axial load, shear, sliding and deflection (TMS 402-22 Chapter 11).
Glass block panels by the empirical rules: panel area from the wind pressure, dimensions, standard and thin units, anchors or channels, supports and joints (TMS 402-22 Chapter 14).
Freestanding fence and garden walls cantilevered from a footing: wind or seismic load, the reinforced or unreinforced CMU stem, and footing overturning, sliding and bearing.
Fire-resistance ratings of concrete masonry and clay walls by equivalent thickness: aggregate, grout and fill, finishes and plaster on either side, two wythes (IBC 722, TMS 216).
Masonry compressive strength by the unit strength method: the strength from the units and mortar, the units needed for a strength, grout and limits, and control joint spacing to your criteria (TMS 602).
Walls proportioned by the empirical rules: where they apply, height and length to thickness with openings, compressive stress, foundation walls and shear walls (TMS 402-16 Appendix A).
Cantilevered CMU parapets over a roof: parapet wind or seismic load, reinforced or unreinforced, shear, and the wall anchorage at the roof (TMS 402-22, ASCE 7-22).
Wood or steel ledgers on headed anchor bolts in a grouted wall: bolt tension, shear and their interaction, the ledger itself, and the wall anchorage (TMS 402-22, ASCE 7-22).
Segmental, semicircular and jack arches: the thrust line in the middle third, ring compression, skewback shear and the abutment pier or tie (TMS 402-22).
Bond beams as diaphragm chords and collectors: chord forces, collector drag at a shear wall with overstrength in high seismic design categories, bars, laps and corner bars (ASCE 7-22, TMS 402-22).
Clay brick expansion joints and concrete masonry control joints: movement from temperature, moisture and freezing, joint width, sealant strain and joint spacing.
Non-loadbearing interior masonry partitions out of plane: seismic and minimum loads, reinforced or unreinforced, and the slip head with clip angles (TMS 402-22, ASCE 7-22).
Masonry chimneys above the roof, cantilevered or braced: wind and seismic loads, the hollow section, reinforcement, ties, and the wall and termination limits (TMS 402-22, IBC 2113).
Fully grouted reinforced masonry beams on simple or continuous spans: flexure, minimum and maximum steel, shear and stirrups, deflection, and deep beams (TMS 402-22).
C-section studs, joists, rafters and headers, purlins and girts, curtain walls, bridging, trusses, screws and welds between sheets, and sheathed and strap braced shear walls. AISI S100-16, AISI S240-20 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.
Cold-formed C-section joists on any spans with overhangs: effective section, distortional buckling, shear, web crippling, web holes, combined checks and deflection (AISI S100-16).
Cold-formed steel headers: back-to-back, box, double, single and inverted L, with flexure, shear, web crippling, combined checks and deflection (AISI S240 and S100).
Cold-formed steel rafters: sloped C-section with thrust at the heel, tie and heel screws, overhang, bending with axial force, shear, web crippling and deflection (AISI S240 and S100).
Cold-formed steel curtain walls: wind studs on one or two spans, parapets and knee walls, limiting height, track and deflection track strength, and deflection at 42 % of the wind (AISI S240 and S100).
Cold-formed steel bridging: brace force at a stud, its accumulation along a run, flat strap and screw checks at the studs and the anchor (AISI S240 and S100).
Cold-formed steel strap braced walls: wall shear from the strap, expected strength and capacity protection, chord studs with eccentric and narrow wall moments, strap fastening, hold-down force and drift (AISI S240, S400 and S100).
Cold-formed steel purlins and girts: C and Z sections over one to six spans with laps, positive and negative moment regions, uplift by the R method or standing seam tests, shear, web crippling, deflection and anchorage (AISI S100 I6).
Preview The app labels its results not yet verified.
Pick a layout, span and pitch: roof and floor trusses in C-sections, chords with axial and bending, webs and deflection, sized automatically to AISI S100 and S240. Joints are not designed.
Clip angles from a stud or joist to the structure: screws, leg bending, tension and rupture, and the screws, weld or anchors into the support (AISI S100-16).
Parapet studs cantilevered above a kicker brace to the roof: parapet wind, stud bending and axial load, the kicker, screws and deflection (AISI S100-16, ASCE 7-22).
Ceiling joists and hat-channel furring hung from the structure: dead, mechanical and vertical seismic load, bending, shear, deflection and hangers (AISI S100-16).
C and Z wall girts under wind pressure and suction, through-fastened or braced at sag rods, on simple or continuous spans: bending, shear, sag rods and deflection (AISI S100-16).
Jamb and king studs at an opening: wind on the tributary width, header loads, the built-up jamb, the stud-to-track attachment at head and base, and deflection (AISI S100-16, S240-20).
Standard and deflection (slip) track: web crippling where the studs bear, the track flange, the movement gap, and screws or anchors to the structure (AISI S240-20, S100-16).
C-sections at a punched, unpunched or reinforced web hole: flexure, distortional buckling, shear, compression and web crippling near the hole (AISI S100-16).
Bottom and top track fastened to concrete or steel under uplift and shear: power-actuated fasteners, screws or anchors, pull-over of the track, spacing and edge distance (AISI S100-16).
Walking vibration of cold-formed steel joist floors with a slab on deck or sheathing: frequency, effective weight and the low- and high-frequency response against your limits (AISC Design Guide 11).
Horizontal and sloped soffit and canopy joists under dead load and wind up and down, with hangers, a kicker for the fascia wind, screws and deflection (AISI S100-16).
Wind studs that run past the slab edges on slide clips, or infill between slabs with a deflection track: the multi-span stud, clip loads and screws, and clip travel (AISI S100-16, S240-20).
Wall studs braced by sheathing on both faces, or one face with discrete braces: axial load and bending, the sheathing fasteners as braces, and the stud without the sheathing (AISI S240-20, S100-16).
Cold-formed steel special bolted moment frames: the expected strength of the bolted joint at the design drift, beams and HSS columns, bolt hierarchy, bearing plates and system limits (AISI S400-20).
Built-up boundary studs of stacked shear walls: overturning accumulated over the stories with gravity, compression and tension, hold-downs, screws and anchorage (AISI S100-16, S400-20).
Permanent lateral restraint of truss webs and chords: brace force and stiffness, accumulation to diagonal bracing, the restraint and diagonal members, and screws (AISI S240-20, S100-16).
Pallet racks of cold-formed uprights and beams: beams with their end stiffness, uprights with perforations, frame bracing, seismic in both directions, overturning and base plates (ANSI MH16.1-2021).
Sloped wall and mansard studs as beam-columns under wind, snow and dead load, with an optional kicker and the screws at the roof and floor (AISI S100-16, ASCE 7-22).
Wind by the directional and envelope procedures and on other structures, tornado, snow, rain, flood and lateral pressure from surface loads; seismic site values, base shear, story drift, diaphragm forces and torsion, nonstructural components and wall anchorage; 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 of any height, with the enclosure classified from the openings.
Flood loads on a wall or a pile: hydrostatic, hydrodynamic, breaking waves, debris impact, local scour, flotation and breakaway walls, for the combinations of ASCE 7-22.
Lateral pressure on a wall from uniform, point, line, strip and rectangular surface loads, added to the code's soil load: resultant, height and base moment.
Story drift from your analysis results: design and maximum displacements, allowable drift, stability coefficient, the P-delta factor, separation and property line setback.
Site values from the USGS service or entered, then saved: design parameters, multi-period and two-period spectra, Seismic Design Category, vertical spectrum and the site class from a velocity profile.
The low-rise envelope procedure for flat and gable roofs: all zones of the four load cases, torsional cases and their exceptions, shear, torsion and uplift, parapets, overhangs and minimum loads.
Story shear to walls and frames by rigidity: center of mass and rigidity, inherent and accidental torsion, torsional irregularity and the shear in each element, in both directions.
Seismic forces on architectural, mechanical and electrical components: design force with its limits, vertical force, anchor forces and relative displacement.
Reduced floor and roof live loads on a member: KLL, the floors supported, the limits, heavy loads, garages, assembly, one-way slabs and occupiable roofs.
Seismic base shear of nonbuilding structures: systems similar and not similar to buildings, rigid structures, Chapter 15 minimums, tanks and vessels basics.
Continuous beams, moving loads, plane frames and trusses, plate bending, section properties, effective length, wall and pier rigidity, load combinations, dead load build-up, load chasedown 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.
Plane frames by the stiffness method for every load combination: first-order or second-order analysis, the AISC direct analysis method, steel member design.
Plane pin-jointed trusses of any shape, including inclined rollers: member forces in tension and compression, reactions, displacements, stability, for every ASCE 7-22 load combination.
Every property of a standard, parametric, custom or built-up section on its true outline: area, centroid, moments of inertia, principal axes, section moduli, radii of gyration, shear areas, torsion and warping constants, shear center.
Gravity loads level by level down a column or bearing wall: each level's own area and loads, live load reduction as floors add up, and a cumulative table.
Load effects through every ASCE 7-22 combination, LRFD and ASD: flood, ice, tornado, fluid, earth pressure, self-straining and seismic with overstrength.
Lateral stiffness of a concrete or masonry wall with openings, or of solid piers: flexure and shear, cantilever or fixed, and each pier's share of the force.
A thin rectangular plate with any edge simply supported, fixed or free, under uniform and patch pressures: moments, deflection, first yield and the thinnest plate.
Effective length factor of a column: the alignment chart equations with the Commentary's adjustments, idealized end conditions and K2 by story stiffness or story buckling.
A wheel train over one to six spans: moment, shear, reaction and deflection envelopes, the absolute maximum moment, an influence line and impact factors.
Your own calculation sheet: variables with units, formulas shown and evaluated with units, narrative, code references and pass / fail checks, printed in the standard report.
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 metric 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.