STRUCTURAL TABLES. 



BARS AND PLATES. 



PAGE 



Table i . Areas of Bars and Plates 9 



Table 2. Weights of Steel Bars and Plates 12 



Table 3. Moments of Inertia of Plates about Axis l-l 15 



Table 4. Moments of Inertia of Plates about Axis 2-2 17 



Table 5. Moments of Inertia of Two Plates i inch Wide about Axis X-X 18 



Table 6. Weights and Areas of Round and Square Bars 21 



I-BEAMS. 



Table 7. Properties of Carnegie I-Beams 23 



Table 8. Elements of Carnegie I-Beams 25 



Table 9. Dimensions and Elements of Standard Carnegie I-Beams 27 



Table 10. Dimensions and Elements of Supplementary Carnegie I-Beams 27 



Table 1 1. Web Resistance of I-Beams 28 



Table 12. Safe Loads and Deflections for Carnegie I-Beams 29 



Table I2a. Per cent Reductions for Lateral Deflection in Beams and Channels 30 



Table 13. Safe Loads and Deflections of Supplementary Carnegie I-Beams 31 



CHANNELS. 



Table 14. Properties of Carnegie Channels 32 



Table 15. Elements of Carnegie Channels 33 



Table 16. Web Resistance of Channels 34 



Table 17. Safe Loads and Deflections of Carnegie Channels 35 



Table 18. Safe Loads and Deflections of Carnegie Channels Laid Flat 37 



Table i8a. Coefficients of Deflection 37 



Table 19. Moments of Inertia of Two Channels, Flanges Turned Out, Distances Back to 



Back 38 



Table 20. Moments of Inertia of Two Channels, Flanges Turned In, Distances Back to Back 40 



Table 21. Moments of Inertia of Two Channels, Flanges Turned In, Distances Inside to 



Inside of Web 42 



Table 22. Properties of Two Channels, Flanges Turned Out, Small Distances 44 



ANGLES. 



Table 23. Properties of Equal Leg Angles 45 



Table 24. Properties of Unequal Leg Angles 48 



Table 25. Areas of Angles 53 



Table 26. Weights of Angles 54 



Table 27. Overrun of Pencoyd Angles 55 



Table 28. Overrun of Pennsylvania Steel Co. Angles 56 



Table 29. Net Areas and Allowable Tension Values for Angles 57 



Table 30. Safe Loads for Angles with Equal Legs 60 



Table 31. Safe Loads for Angles with Unequal Legs 61 



Table 32. Moments of Inertia of Four Angles with Equal Legs, Axis X-X 65 



3 



