Author: draftsman
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Parallel-Axis Theorem for Built-Up Steel Sections: A Practical Calculation and CAD Guide
Learn how to calculate centroid, area, moment of inertia, and section modulus for built-up steel sections using verified shape properties and the parallel-axis theorem.
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Structural Bolt Grip Length, Ply Thickness, and Thread Location: A Detailing Guide
Learn how ply thickness, washers, thread location, bolt length, and connection geometry affect structural bolt detailing and coordination.
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Structural Steel Bounding Boxes in CAD: Overall Dimensions, Rotation, and Clash Checks
Learn how structural steel bounding boxes work in CAD, including rotated extents, shape geometry, clearance checks, and common coordination errors.
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Flange Gage in W-Shape Connections: Bolt Lines, Workable Gage, and Detailing Checks
Learn how flange gage controls bolt-line placement on W-shapes and how to check fillets, plate edges, tools, holes, and member substitutions.
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HSS Centerline vs. Face-of-Steel Dimensions: A Practical Layout and Detailing Guide
Learn how HSS centerline, face-of-steel, and clear dimensions affect structural layouts, CAD models, connections, and drawing coordination.
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Structural Steel Beam Web Openings: Coordination, Reinforcement, and Detailing
A practical guide to structural steel beam web openings, including terminology, load-path effects, reinforcement concepts, MEP coordination, and CAD detailing.
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Beam-to-Column Flange vs. Beam-to-Column Web Connections: A Detailing Comparison
Compare beam-to-column flange and web connections, including orientation, access, load paths, connection space, and CAD detailing checks.
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Anchor Rod Templates and Base Plate Hole Layouts: A Coordination Guide
Learn how to coordinate anchor rod templates, base plate holes, column centerlines, elevations, tolerances, and field verification in structural steel detailing.
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Local Axes in Structural Steel CAD Models: Member Direction, Section Rotation, and Coordination
Learn how structural steel local axes control member direction, section rotation, offsets, connection orientation, and reliable CAD model coordination.
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Shop vs. Field Connections in Structural Steel Drawings: Bolts, Welds, and Coordination
Learn how shop and field steel connections affect drawings, bolts, welds, piece marks, erection sequencing, and coordination between fabricator and erector.
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Steel Angle Orientation: LLV, SLV, Connected Legs, and Drawing Clarity
Learn how to communicate steel angle orientation using LLV, SLV, heel, toe, connected-leg, and view-specific detailing conventions.
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Steel Beam End Cuts: Square, Skewed, Sloped, and Compound Cut Geometry
Learn how square, skewed, sloped, and compound steel beam end cuts are defined, modeled, dimensioned, and checked on shop drawings.
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