Wind Design Considerations for Steel Joists and Joist Girders - SEAoT

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2005 SJI Code of Standard Practice6.1 PLANS FURNISHED BY BUYER(a) Loads (cont’d)The specifying professional shall give due consideration to thefollowing loads and load effects:1. Ponded rain water.2. Accumulation of snow in the vicinity of obstructions suchas penthouses, signs, parapets, adjacent buildings, etc.3. Wind.4. Type and magnitude of end moments and/or axial forcesat the joist and Joist Girder end supports shall be shownon the structural drawings. For moment resisting joists orJoist Girders framing near the end of a column, dueconsideration shall be given to extend the column lengthto allow a plate type connection between the top of thejoist or Joist Girder top chord and the column.SEAoT State Conference November 6-8, 2008 Houston TX SEAoT - 20
Standards and Codes• 2005 SJI Standard Specifications and Codeof Standard Practice• Provisions from 2006 InternationalBuilding Code• Provisions from ASCE/SEI 7-05SEAoT State Conference November 6-8, 2008 Houston TX SEAoT - 21
Page 2 and 3: Introduction‣ Commercial manufact
Page 4 and 5: Windstorm Damage to Roof in Texas05
Page 6 and 7: Hurricane Charley Category 4 StormA
Page 8 and 9: Population Trends in Hurricane-Pron
Page 10: Roof Design to Resist Uplift Loads
Page 15 and 16: 2005 SJI Standard Specification for
Page 17 and 18: 2005 SJI Code of Standard Practice1
Page 23 and 24: 2006 International Building Code•
Page 25 and 26: Standards and Codes• 2005 SJI Sta
Page 27 and 28: ASCE 7-05 Basic Wind Speed MapSEAoT
Page 29 and 30: ASCE 7-05 Specified Wind LoadsSEAoT
Page 31 and 32: ASCE 7-05 Specified Wind LoadsWhat
Page 33 and 34: ASCE 7-05 Specified Wind Loads• M
Page 36 and 37: Properly Applying Wind Loads toStee
Page 38 and 39: Properly Applying Wind Loads toStee
Page 41 and 42: Wind Design Considerations forSteel
Page 43 and 44: Wind Design Considerations forSteel
Page 45 and 46: Properly Applying Lateral Loads toS
Page 47 and 48: Properly Applying Lateral Loads toS
Page 49 and 50: Typical Roof Framing using K-Series
Page 51 and 52: Profile of SJI Standard K-SeriesOpe
Page 53 and 54: Joist Seat Test Program Parameters
Page 55 and 56: Experimental Test SetupINSTRUMENTAT
Page 57 and 58: Typical Load-Deformation BehaviorTe
Page 59 and 60: Yield Line PatternsShort and Long A
Page 61 and 62: Yield Line Analysis Using Virtual W
Page 63 and 64: Research Programs Recommendations
Page 65 and 66: 2005 SJI Standard Specification for
Page 67 and 68: P n = 2 M p L yl / aASD Design Proc
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Recommended Bearing Seat Designto R
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Recommended Bearing Seat Designto R
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2005 SJI Standard Specification for
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2005 SJI Standard Specification for
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Design ExampleDimensions:Length, l
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Design ExampleBasic wind speed, fro
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Steel Joist and Joist Girder Layout
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Steel Joist Design20K6 Rod Web @ 40
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Steel Joist DesignDesign DataEnd We
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Placement of Bridging to ResistUpli
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Summary and Conclusions• Wind for
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Any Questions?SJI Website: http://w
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Wind Design Considerations for Steel Joists and Joist Girders - SEAoT

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