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Chapter 4

Continue. Chapter 4. Design of Tension Members. Structural Steel Design, Fifth Edition, McCormac and Csernak , 2012 (International. 1. Structural Steel Design, Fifth Edition, McCormac and Csernak , 2012 (International. 2.

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Chapter 4

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  1. Continue Chapter 4 Design of Tension Members Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 1

  2. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 2

  3. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 7

  4. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 8

  5. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 9

  6. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 10

  7. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 11

  8. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 12

  9. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 13

  10. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 14

  11. AISCM 14th Edition, AISCS 2010 15

  12. AISCM 14th Edition, AISCS 2010 16

  13. The AISC nominal tensile design stress for threaded rods, Fnt , is given in AISC Table J3.2 and equals 0.75 Fu . This is applied to the gross area of the rod AD Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 17

  14. AISCM 14th Edition, AISCS 2010 18

  15. ASD method : AD ≥ Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 19

  16. AISCM 14th Edition, AISCS 2010 20

  17. AISCM 14th Edition, AISCS 2010 21

  18. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 22

  19. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 23

  20. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 24

  21. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 25

  22. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 26

  23. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 27

  24. Design for Fatigue Loads • Cyclic Loading or Repeated Loadings • Loads are applied, and then removed , or changed significantly • Structures with: • crane runway girders • heavy vibrating or moving machinery or equipment • ≥ 20,000 cycles of loadings in design life f fmax fsr= fmax- fmin time fmin fsr : Stress Range 28

  25. Design for Fatigue Loads • Result in strength loss of material • Member may fail at stresses well below static design stress Fsr: Allowable Stress Range AISCM Appendix 3 f fmax fsr= fmax- fmin time fmin fsr ≤ Fsr Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 29

  26. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 30

  27. Pn= PD + PL = 40 + 90 = 130 k Ag ≥ Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 31

  28. Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 32

  29. AISCM 14th Edition 33

  30. AISCM 14th Edition 34

  31. AISCM 14th Edition 35

  32. AISCM 14th Edition 36

  33. HW # 3 Problems: 4-1 and 4-17 Structural Steel Design, Fifth Edition, McCormac and Csernak, 2012 (International 37

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