Online Design Examples
Online Steel Beam Calculators
Beams
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Cantilever Beam
Fixed support on one side with a single point load.
Cantilever Beam
Indeterminate Beam
Fixed supports on both sides with a single point load.
Indeterminate Beam
Simply Supported Beam
Simply Supported Beam
Simply Supported Beam
Simple supports on both sides with a single moment point load.
Mixed Supports
Mixed Supports
Fixed and simple supports with a distributed load.
Mixed Supports
Mixed Supports
Mixed Supports
Pin Support and Spring
Simple support and spring with distributed load
Spring Supports
Spring supports with point load
Spring Supports
Spring supports with distributed Load
Floating Gerber Hinge
Fixed on both sides with a gerber hinge in center.
Two Spans
Three Spans
Four Spans
Five Spans
Flexure
W-Shape, continuously braced
Based on AISC Design Examples, F.1-1. A W18x50 spans 35 ft and is continuously braced to support uniform dead and live loads.
W-Shape, braced at 1/3
Based on AISC Design Examples, F.1-2. A W18x50 spans 35 ft is braced in 3 segments (Lb = 11.7 ft) to support uniform dead and live loads.
W-Shape, braced at mid-span
Based on AISC Design Examples, F.1-3. A W18x50 spans 35 ft is braced at midpoint to support uniform dead and live loads.
Compact channel, continuously braced
Based on AISC Design Examples, F.2-1. A simply supported C15x33.9 spans 25 ft, is continuously braced, and supports uniform dead and live loads.
Compact channel, braced at 1/5
Based on AISC Design Examples, F.2-2. A simply supported C15x33.9 spans 25 ft and is braced in 5 segments (Lb = 5 ft) to support uniform dead and live loads.
W-Shape with non-compact flanges
Based on AISC Design Examples, F.3. A simply supported W21x48 spans 40 ft and is continuously braced to support a uniform dead load and 2 concentrated live loads.
W-Shape in major axis bending
Based on AISC Design Examples, F.4. A simply supported W24x55 spans 30 ft and is continuously braced to support uniform dead and live loads.
W-Shape in minor axis bending
Based on AISC Design Examples, Example F.5. A simply supported W12x58 is loaded on its minor axis to support uniform dead and live loads. The beam spans 15 ft and is braced only at the ends (Lb = 15).
Square HSS with compact flanges
Based on AISC Design Examples, F.6. A simply supported square HSS 3-1/2x3-1/2x1/8 spans 7.5 ft, is continuously braced, and supports uniform dead and live loads.
Rectangular HSS with non-compact flanges
Based on AISC Design Examples, F.7. A simply supported rectangular HSS 10x6x3/16 spans 21 ft, is braced at the end points only, and supports uniform dead and live loads.
Square HSS with slender flanges
Based on AISC Design Examples, F.8. A simply supported rectangular HSS 8x8x3/16 spans 21 ft, is continuously braced, and supports uniform dead and live loads.
Pipe
Based on AISC Design Examples, F.9. A simply supported pipe 8X-Strong spans 16 ft, is braced at the end points only, and supports uniform dead and live loads.
WT-Shape
Based on AISC Design Examples, F.10. A simply supported WT5x6 spans 6 ft, is continuously braced, and supports uniform dead and live loads.
Angle, vertical leg up, braced at ends
Based on AISC Design Examples, F.11A. A simply supported single angle L4x4x1/4 spans 6 ft, is braced at the end points only, and supports uniform dead and live loads. The vertical leg of the single angle is up such that the toe is in compression.
Angle, vertical leg up, braced at mid-span
Based on AISC Design Examples, F.11B. A simply supported single angle L4x4x1/4 spans 6 ft, is braced at mid-span and end points, and supports uniform dead and live loads. The vertical leg of the single angle is up such that the toe is in compression.
Rectangular bar, major axis, braced at mid-span
Based on AISC Design Examples, F.12. A simply supported rectangular bar (5 in. by 3 in.) spans 12 ft, is braced at mid-span and end points, and supports uniform dead and live loads.
Round bar
Based on AISC Design Examples, F.13. A simply supported round 1-in. bar spans 2.5 ft and supports uniform dead and live loads.
Plate girder, braced
Based on AISC Design Examples, F.14. A built-up plate girder that spans 50 ft is simply supported and braced every 12.5 feet.
Shear
W-Shape, major axis
Based on AISC Design Examples, G.1. A W24x62 supports a dead and live load.
Channel, major axis
Based on AISC Design Examples, G.2. A C15x33.9 channel supports a dead and live load.
Angle
Based on AISC Design Examples, G.3. A L5x3x1/4 angle, with the long leg vertical, supports a dead and live load.
Rectangular HSS
Based on AISC Design Examples, G.4. A rectangular HSS 6x4x3/8, wide walls vertical, supports a dead and live load.
Round HSS
Based on AISC Design Examples, G.5. A round HSS 16.000x0.375 beam supports a dead and live load.
W-Shape, minor axis
Based on AISC Design Examples, G.6. A W21x48 beam supports a dead and live load in the weak direction.
Channel, minor axis
Based on AISC Design Examples, G.7. A C9x20 channel supports dead and live loads in the weak direction.
Built-up girder with transverse stiffeners
Based on AISC Design Examples, G.8. A built-up I-shaped girder with transverse stiffeners supports dead and live distributed loads.
Compression
W-Shape with pinned ends
Based on AISC Design Examples, E.1A. A pinned W14x132 column supports a dead and live load.
W-Shape with intermediate bracing
Based on AISC Design Examples, E.1B. A pinned W14x90 column supports a dead and live load.
Built-Up column with slender web
Based on AISC Design Examples, E.2. A pinned built-up column supports a dead and live load.
Built-Up column with slender flanges
Based on AISC Design Examples, E.3. A pinned built-up column supports a dead and live load.
WT-Shape without slender elements
Based on AISC Design Examples, E.7. A pinned WT7x34 column supports a dead and live load.
WT-Shape with slender elements
Based on AISC Design Examples, E.8. A pinned WT7x15 column supports a dead and live load.
Rectangular HSS without slender elements
Based on AISC Design Examples, E.9. A pinned rectangular HSS column supports a dead and live load.
Rectangular HSS with slender elements
Based on AISC Design Examples, E.10. Calculate the capacity of a pinned rectangular HSS column.
Pipe
Based on AISC Design Examples, E.11. Calculate the capacity of a pipe compression member. The column is pin-connected at the ends in both axes and braced at the midpoint in the y-y direction only.
Build-up I-shaped with different flanges
Based on AISC Design Examples, E.12. Calculate the capacity of a pinned built-up I-shaped compression member.
Axially loaded single-angle
Based on AISC Design Examples, E.14A. Calculate the capacity of a pinned built-up I-shaped compression member.
Tension
W-Shape
Based on AISC Design Examples, D.1. A W8x21 tension member under dead and live loads.
Single-Angle
Based on AISC Design Examples, D.2. A L4x4x1/2 tension member under dead and live loads.
WT-Shape
Based on AISC Design Examples, D.3. A WT6x20 tension member under dead and live loads.
Rectangular HSS
Based on AISC Design Examples, D.4. A HSS6x4x3/8 tension member under dead and live loads.
Round HSS
Based on AISC Design Examples, D.5. A HSS6.000x0.500 tension member under dead and live loads.
Torsion
W-Shape with point load, torsionally pinned
Based on AISC Design Guide 9, Example 5.1. A W10x49 spans 15 ft and supports a 15-kip load at 6 in. from shear center at mid-span.
Custom HSS with point load, torsionally pinned
Based on AISC Design Guide 9, Example 5.2a. A TS10x6x1/2 spans 15 ft and supports a 15-kip load at 6 in. from shear center at mid-span.
Rectangular HSS with point load, torsionally pinned
Based on AISC Design Guide 9, Example 5.2b. An HSS 10x6x1/2 spans 15 ft and supports a 15-kip load at 6 in. from shear center at mid-span.
Welded plate-girder with point loads, torsionally pinned
Based on AISC Design Guide 9, Example 5.4. A welded plate-girder spans 25 ft and supports a 310-kip and a 420-kip load at 7.5 ft from the span ends, each. Both loads act at a 3 in. eccentricity from the shear center.
Channel, fixed ends, distributed torsional load
Based on AISC Design Guide 9, Example 5.5.
Single angle cantilever, eccentric load
Based on AISC Design Guide 9, Example 5.6.
Combined
I-Shape, compression and bi-axial bending
Based on AISC Design Examples, H.1. A pinned, unbraced 14-ft W14x99 is loaded with combined compression and bending moments about both axes.
I-Shape, compression and bi-axial bending
Based on AISC Design Examples, H.3. A pinned, unbraced 30-ft W14x82 is loaded with combined compression and bending moments about both axes.
I-Shape, compression and bi-axial bending
Based on AISC Design Examples, H.4. A pinned, unbraced 14-ft W10x33 is loaded with combined compression and bending moments about both axes.
Rectangular HSS without loads
Based on AISC Design Examples, H.5A. Torsional strength of an HSS 6x6x1/4 (A500, Grade C).
Round HSS without loads
Based on AISC Design Examples, H.5B. Torsional strength of a 14-foot HSS 5.000x0.250 (A500, Grade C).
Rectangular HSS with eccentric distributed load
Based on AISC Design Examples, H.5C. An 8-ft HSS 6x4x1/4 (A500, Grade C) is loaded with eccentric distributed load, producing torsional and flexural effects. The beam is simply supported.
I-Shape with eccentric point load
Based on AISC Design Examples, H.6. A W10x49 spans 15 ft and supports a dead and live point load at 6 in. from shear center at mid-span. The referenced example is in turn based on AISC Design Guide 9, Example 5.1, but differs in that it includes guidance for performing strength checks per Chapter H.
2nd Order Analysis
P-δ effect, simply supported
Based on benchmark problem Case 1 from the AISC "Commentary on the Specification for Structural Steel Buildings", Chapter C, Design for Stability.
A simply supported beam-column is subjected to an axial load concurrent with a uniformly distributed transverse load between supports.
P-Δ and P-δ effects, cantilever
Based on benchmark problem Case 2 from the AISC "Commentary on the Specification for Structural Steel Buildings", Chapter C, Design for Stability.
A fixed-base cantilevered beam-column is subjected to an axial load concurrent with a lateral load at its end.