Tag: local axes
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Strong-Axis vs. Weak-Axis Bending in Structural Steel Shapes: Reading Ix, Iy, Sx, and Sy
Learn how strong- and weak-axis bending relate to steel shape orientation, Ix, Iy, Sx, Sy, bracing, CAD models, and structural drawings.
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Shear Area in Structural Steel Sections: Av, Web Area, and Analysis-Model Checks
Learn how effective shear area differs from gross area and web area, how local axes affect Av, and what to verify in steel analysis models.
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Structural Steel Coordinate Systems: Grid Lines, Global Coordinates, and Local Member Datums
Learn how project grids, global coordinates, local member axes, and fabrication datums work together in structural steel drawings and CAD models.
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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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Steel Member Orientation in Plans, Elevations, Sections, and CAD Models
Learn how roll, slope, skew, local axes, and section rotation define steel member orientation in drawings and CAD models.
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