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The beam elements are checked according to the regulations given in
Manual of Steel Construction
Allowable Stress Design
Part 5 : Specification and Codes
AISC, Ninth Edition, 1989
The cross section is classified according to Table B5.1. (compact, non compact, or slender section).
The member is checked on following criteria:
A more detailed overview for the used articles of the relevant parts is given in the following table. The chapters marked with “x” are consulted. The chapters marked with (*) have a supplementary explanation the following chapters.
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B. Design requirements |
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B1. Gross Area |
x |
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B2. Net Area |
(*) |
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B3. Effective Area |
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B4. Stability |
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B5. Local Buckling 1.Classification of Steel Sections 2.Slender Compression Elements |
(*) x x |
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B6. Rotational Restraint at Points of Support |
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B7. Limiting Slenderness Ratios |
x |
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B8. Simple Spans |
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B9. End Restraint |
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B10. Proportions of Beams and Girders |
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B11. Proportioning of Crane Girders |
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D. TENSION MEMBERS |
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D1. Allowable Stress |
x (*) |
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D2. Built-up members |
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D3. Pin-Connected Members |
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E. COLUMN AND OTHER COMPRESSION MEMBERS |
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E1. Effective Length and Slenderness Ratio |
x (*) |
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E2. Allowable Stress |
x |
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E3. Flexural-torsional Buckling |
x (*) |
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E4. Built-up Members |
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E5. Pin-Connected Compression Members |
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E6. Column Web Shear |
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F. BEAMS AND OTHER FLEXURAL MEMBERS |
(*) |
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F1. Allowable Stress : Strong Axis Bending of I-Shaped Members and Channels 1.Members with Compact Sections 2.Members with Non-Compact Sections 3.Members with Compact or Non-Compact Sections with Unbraded Length Greater then Lc |
x x x x |
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F2. Allowable Stress : Weak Axis Bending of I-Shaped Members, Solid Bars and Rectangular Plates 1.Members with Compact Sections 2.Members with Non-Compact Sections |
x x x |
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F3. Allowable Stress : Bending of Box Members, Rectangular Tubes and Circular Tubes 1.Members with Compact Sections 2.Members with Non-Compact Sections |
x x x |
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F4. Allowable Shear Stress |
x |
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F5. Transverse Stiffeners |
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F6. Built-up Members |
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F7. Web-tapered Members |
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G. PLATE GIRDERS |
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G1. Web Slenderness Limitations |
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G2. Allowable Bending Stress |
x |
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G3. Allowable Shear Stress with Tension Field Action |
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G4. Transverse Stiffeners |
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G5. Combined Shear and Tension Stress |
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H. COMBINED STRESSES |
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H1. Axial Compression and Bending |
x |
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H2. Axial Tension and Bending |
x |
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APPENDIX B. Design requirements |
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B5. Local Buckling |
x |