SECTION GUIDE

Part I

Dimensions and Properties 1-1- 1-132

Part 11

Beam Design II-1 - II-196

Part 111

Column Design III-1 - III-100

Part IV

Connections IV-1 - IV-50

Part V

Supplementary Information V-1 - V-8

Part VI

Test Standards VI-1 - VI-138

a d Properties for Usewith the 2007 North American Cold-FormedSteel Specification 1-1

TABLE OF CONTENTS

PARTIOIMENSIONS ANO PROPERTIES

For Use With the2007 Edition of the

North American Specification for the Oesignof Cold-Formed Steel Structural Members

ON 1- STEELS - AVAILABILlTY ANO PROPERTIES 3-.1 Introduction To Table Of Referenced Steels 3

Surnmary Of Scope And PrincipIe Tensile Properties, ASTMSpecifications ForReferenced Steels - 4

:.3 Material Thickness 12ECTlON 2 - REPRESENTATIVE COLD-FORMEO STEEL SECTIONS 13_.1 Representative Versus Actual Sections 13

2.1.1 SSMAStud and Track Section Nomenclature 132.1.2 Other Section Nomenclature : 13

2.2 Notes On Tables 132.3 Gross Section Property Tables 14

Table 1-1 Gross Section Properties C-Sections With Lips 15Table 1-2 Gross Section Properties SSMAStuds C-SectionsWith Lips 18Table 1-3 Gross Section Properties SSMATracks C-Sections Without Lips 22Table 1-4 Gross Section Properties Z-Sections With Lips 28Table 1-5 Gross Section Properties Z-Sections Without Lips 31Table 1-6 Gross Section Properties Equal Leg Angles With Lips 32Table 1-7 Gross Section Properties Equal Leg Angles Without Lips 33Table 1-8 Gross Section Properties Hat Sections Without Lips 34

2.4 Steel Deck 352.4.1 Deck Profiles 352.4.2 Maximum Spans 372.4.3 Section Properties 38

SECTION 3 - CALCULATION OF SECTION PROPERTIES 403.1 Linear Method For Computing Properties Of Formed Sections 403.2 Properties of Line Elements 41

3.2.1 Straight Line Elements 413.2.2 Circular Line Elements 41

3.3 Properties of Sections 423.3.1 Equal Leg Angles (Singly-Symmetric) With and Without Lips 433.3.2 C-Sections (Singly-Symmetric) With and Without Lips and Hat Sections

(Singly-Symmetric) 453.3.3 I-Sections With Unequal Flanges (Singly-Symmetric) and T-Sections

(Singly-Symmetric) 483.3.4 Z-Sections (Point-Symmetric) With and Without Lips 50

1-2 Dimensions and Properties for Usewith the 2007 North American Cold-FormedSteel Specification

3.4 Distortional Buckling Properties 523.4.1 Flanges with 90 Degree Lips 523.4.2 Flanges with Sloped Lips 53

3.5 Gross Section Properties - Example Problems 53Example 1-1 C-Section With Lips - Gross Section Properties 55Example 1-2 C-Section Without Lips - Gross Section Properties 60Example 1-3 Z-Section With Lips - Gross Section Properties 63Example 1-4 Equal Leg Angle With Lips - Gross Section Properties 68Example 1-5 Equal Leg Angle Without Lips - Gross Section Properties 71Example 1-6 Hat Section without Lips - Gross Section Properties 74Example 1-7 Wall Panel Section with Intermediate Stiffeners - Gross Section

Properties 793.6 Effective Section Properties 823.7 Effective Section Properties - Example Problems 83

Example 1-8 C-Section With Lips - Effective Section Properties 84Example 1-9 C-Section Without Lips - Effective Section Properties 91Example 1-10 Z-Section With Lips - Effective Section Properties 94Example 1-11 Equal Leg Angle With Lips - Effective Section Properties 101Example 1-12 Equal Leg Angle Without Lips - Effective Section Properties 104Example 1-13 Hat Section - Effective Section Properties Using Inelastic Reserve

Capacity 108Example 1-14 Wall Panel Section with Intermediate Stiffeners - Effective Section

Properties 1143.8 Special Topics 127

Example 1-15 Strength Increase From Cold Work Of Forming 127Example 1-16 Shear Lag 129Example 1-17 Flange Curling 131

Use with the 2007 North American Cold-Formed Steel Specification 11-1

TABLE OF CONTENTS

PART 11BEAM DESIGN

For Use With the2007 Edition of the

North American Specification for the Deslgnof Cold-Formed Steel Structural Members

_::DJI!( 1.- BENDING 4On The Tables 4Property Tables 5

le 11-1. Beam Properties - C-Sections With Lips 6able 11-2 Beam Properties - SSMA Studs - C-Sections With Lips 9able 11-3 Beam Properties - SSMA Tracks - C-Sections Without Lips 12able 11-4 Beam Properties - Z-Sections With Lips 16able 11-5 Beam Properties - Z-Sections Without Lips 18able 11-6 Beam Properties - Hat-Sections Without Lips 19stortional Buckling Flexural Strength Tables 20able 11-7 Distortional Buckling Properties - Flexural Strength - C-Sections With Lips .. 21able 11-8 Distortional Buckling Properties - SSMA Studs - Flexural Strength

C-Sections With Lips 23able 11-9 Distortional Buckling Properties - Flexural Strength - Z-Sections With Lips .. 26

-=- Calculation of L, 28~ .--otes on the Charts 29

3eam Charts 30Chart 11-1.a Nominal Flexural Strength - C-Sections with Lips (P, = 33 ksi, Cs = 1) 31hart 11-1.b Nominal Flexural Strength - C-Sections with Lips (F, = 55 ksi, Cb = 1) 37

Chart 11-2a Nominal Flexural Strength - SSMA Studs - C-Sections with Lips(F, = 33 ksi, Cs = 1) 43

Chart 11-2b Nominal Flexural Strength - SSMA Studs - C-Sections with Lips(F; = 50 ksi, Cs = 1) 51

Chart 11-3a Nominal Flexural Strength _Z-Sections with Lips (Fy = 33 ksi, Cs = 1) 59Chart 11-3b Nominal Flexural Strength - Z-Sections with Lips (F, = 55 ksi, Cb = 1) 67

~r-nI'lt.1 2 - COMBINED BENDING AND SHEAR 79_-otes on the Tables 79

- Combined Shear and Bending Tables 79able 11-1.0a ASD - Combined Shear and Bending - C-Sections With Lips 80

Table II-1.0b LRFD - Combined Shear and Bending - C-Sections With Lips 83Table 11-1.1.a ASD - Combined Shear and Bending - SSMA Studs C-Sections With

Lips 86Table 11-1.1.b LRFD - Combined Shear and Bending - SSMA Studs C-Sections With

Lips 90Table 11-1.2a ASD - Combined Shear and Bending - Z-Sections With Lips 94Table 11-1.2b LRFD - Combined Shear and Bending - Z-Sections With Lips 97

,...---

SECTION 3 - WEB CRIPPLING .3.1 Notes on the Tables .3.2 Web Crippling Tables 1'

Table 11-13 Web Crippling, P", kips - C-Sections With Lips 1'Table 11-14 Web Crippling, P", kips - SSMA Studs - C-Sections With Lips 11Table 11-15 Web Crippling, Pn, kips - Z-Sections With Lips H-Table 11-16a Web Crippling Reduction Factor, Re,for Interior Loading-

SSMA Studs - C-Sections with Lips .Table 11-16b Web Crippling Reduction Factor, Re,for End Loading

SSMA Studs - C-Sections with Lips --SECTION 4 - EXAMPLE PROBLEMS .

Example 11-1 Four Span Continuous C-Purlins Attached to Through Fastened Roof- LRFD --

Example 11-2 Four Span Continuous Z-Purlins Attached to Through Fastened Roof- ASD 13

Example 11-3 C-Section Without Lips Braced At Mid-span 1~Example 11-4 Distortional Buckling of C-Section E_Example 11-5 C-Section Without Lips in Weak Axis Bending 10_Example 11-6 Fully Braced Hat Section 1Example 11-7 Tubular Section - Round 10Example 11-8 Tubular Section - Rectangular 1-Example 11-9 C-Section with Openings 1-Example 11-10 C-Section with Combined Bending and Torsional Loading 1E2.Example 11-11 Web Crippling ~_Example 11-12 Web-Stiffened C-Section by the Direct Strength Method - Flexure .

11-2 Beam Design for Use with the 2007 North American Cold-Formed Steel Specificat

- 'gn for Use with the 2007 North American Cold-Formed Steel Specification 111-1

TABLE OF CONTENTS

PART 11ICOLUMN DESIGN

For Use With the2007 Edition of the

North American Specification for the Deslgnof Cold-Formed Steel Structural Members

1- CONCENTRICALLY LOADED COLUMNS 3

- es On The Tables 3- minal Axial Strength Tables - Braced Colurnns 3

le 11I-1 Braced Colurnn Properties - C-Sections With Lips 4le 11I-2 Braced Colurnn Properties - SSMAStuds - C-Sections With Lips 6le 11I-3 Braced Colurnn Properties - SSMATracks - C-Sections Without Lips 8

_ stortional Buckling Axial Strength Tables 10le 11I-4 Distortional Buckling Properties - Axial Strength - C-Sections With Lips 11le 11I-5 Distortional Buckling Properties - SSMAStuds - Axial Strength

- C-Sections With Lips 13le 11I-6 Distortional Buckling Properties - Axial Strength - Z-Sections With Lips 16

- minal Axial Strength Tables - Unbraced Colurnns 18le 11I-7 Nominal Axial Strength, Pn, kips - C-Sections With Lips 18le 11I-8 Nominal Axial Strength, Pn, kips - SSMAStuds C-Sections With Lips 24

ble 11I-9 Nominal Axial Strength, Pn, kips - SSMATracks C-Seetions Without Lips ..352 - EXAMPLE PROBLEMS 45mple 11I-1mple 11I-2mple 11I-3mple 11I-4mple 11I-5

ample 11I-6

mple 11I-7

mple 11I-8mple 11I-9mple 11I-10mple 11I-11mple 11I-12

Braced C-Section With Lips - Bending And Compression 46C-Section With Lips With Holes - Compression 50C-Section Subject to Distortional Buckling - Compression 55Unbraced Equal Leg Angle With Lips - Compression 63Tubular Section - Round - Bending and Compression 67Stiffened Z-Section With One Flange Through-Fastened To Deck OrSheathing - Compression 71Stiffened Z-Section With One Flange Fastened To a Standing SeamRoof - Compression 74Hat Section - Bending and Compression 761Section - Built-Up from Channels 80Square HSS Section - Bending and Compression 86Frame Design by Second Order Analysis : 92Web-Stiffened C- Section by the Direct Strength Method-Compression 97

_ - r Use with the 2007 North American Cold-Formed Steel Specification IV-l

TABLE OF CONTENTS

PART IVCONNECTION DESIGN

For Use With the2007 Edition of the

North American Specification for the Deslgnof Cold-Formed Steel Structural Members

_..-r 1.,- WELDS 3_-otes On The Tables 3.-eldedConneetion Design Tables 4able IV-l Fillet Welds - Shear of Sheet 5able IV-2 Resistanee CSpot") - Welds Shear Strength 5able IV-3 Are Spot Welds - Shear of Sheet(s) Welded to a Thieker Supporting

Member 6Are Spot Welds - Shear of Sheet Welded to an Identieal Sheet 7

able IV-5 Are Spot Welds - Tension 8mlOllt 2 - BOL TS 9

_.otes On The Tables 9-. lted Conneetion Design Tables 9able IV-6 Bolts - Tension 10able IV-7 Bolts - Shear.. 10able IV-8a Bolts - Bearing on Inside Sheet of Double Shear Conneetions - Bolt Hole

Deformation Not Considered 11able IV-8b Bolts - Bearing on Outside Sheets of Conneetions With Washers on Both

Sides - Bolt Hole Deformation Not Considered llable IV-8e Bolts - Bearing on Outside Sheets of Conneetions Without Washers on

Both Sides - Bolt Hole Deformation Not Considered 12~JON 3 - SCREWS 13

_ otes On The Tables 13- Screwed Connection Design Tables 14

Table IV-9a Serews - Shear of Sheet (Fu = 45 ksi) Representative Thicknesses 15Table IV-9b Screws - Shear of Sheet (Fu = 65 ksi) Representative Thicknesses 16Table IV-ge Screws - Shear of Sheet (Fu = 45 ksi) SSMA Design Thieknesses 17Table IV-9d Serews - Shear of Sheet (F, = 65 ksi) SSMA Design Thicknesses 18Table IV-lOa Screws - Pull-Out (P, = 45 ksi) Representative Thicknesses 19Table IV-l0b Serews - Pull-Out (F, = 65 ksi) Representative Thicknesses 19Table IV-l0e Serews - Pull-Out (F= 45 ksi) SSMA Design Thicknesses 20Table IV-l0d Serews - Pul-Out (Fu = 65 ksi) SSMA Design Thicknesses 20Table IV-lla Hex Head Screws - Pull-Over (E, = 45 ksi) Representative Thicknesses ..21Table IV-llb Hex Head Serews - Pull-Over (Fu= 65 ksi) Representative Thicknesses ..21Table IV-lle Hex Head Serews - Pull-Over (Fu = 45 ksi) SSMA Design Thicknesses 22Table IV-lld Hex Head Screws - Pull-Over (Fu = 65 ksi) SSMA Design Thieknesses 22

IV-2 Connections for Use with the 2007 North American Cold-Formec

SECTION 4 - EXAMPLE PROBLEMS .4.1 Weld Examples .

Example IV-1 Flat Seetion With Fillet Welded Lap Connection _~=Example IV-2 Flat Seetion With Are Spot Welded Conneetion _~-~Example IV-3 Flat Seetion With Are Seam Welded Conneetion .Example IV-4 Flat Seetion With Flare Bevel Groove Weld .Example IV-5 Flat Seetion With Groove Welded Butt [oint _~=

4.2 Bolt Examples .Example IV-6 Flat Seetion With Bolted Conneetion _Example IV-7 Bolted Conneetion with Consideration of Shear Lag .

4.3 Serew Example .Example IV-8 Serewed Conneetion .

formation for Use with the 2007 North American Cold-Formed Steel Specification V-l

TABLE OF CONTENTS

PARTVSUPPLEMENTARY INFORMA TlON

For Use With the2007 Edition of the

North American Specification for the Deslgnof Cold-Formed Steel Structural Members

- SPECIFICATION CROSS REFERENCE 22 - LATERALLY UNBRACED COMPRESSION FLANGES 53 - TORSIONAL-FLEXURAL BUCKLlNG OF NON-SYMMETRrCAL SHAPES 6- SUGGESTED COLD-FORMED STEEL STRUCTURAL FRAMING, ENGINEERING,FABRICATION, AND ERECTION PROCEDURES FOR QUALlTY CONSTRUCTION 8

Standards for Use with the 2007 North American Cold-Formed Steel Specification VI-l

TABLE OF CONTENTS

PARTVITEST STANDARDS

For Use With the2007 Edition of the

North American Specification for the Designof Cold-Formed Steel Structural Members

ON 1 - TEST STANDARDS 6

_.umerical Designation of Test Standard s 6.: er Notes and Comrnentary 6.: dates 6

I 5901-08 Rotational-Lateral Stiffness Test Method for Beam-to-Panel Assemblies 7Scope 7Referenced Documents 7

- TerIllinology 8Symbols 9

- Units of Symbols and Terms 10Ma terials 10Test Specimen 10Test Setup 11

-. Test Procedure 12- Number of Tests 12- Test Evaluation 14- Test Report 17- Alternative Rotational-Lateral Stiffness Test* 17I 5902-08 Stub-Column Test Method for Effective Area of Cold-Formed Steel Columns ..20Scope 20Referenced Documents 20Terminology 20Symbols 20

= Units of Symbols and Terms 22Test Fixture 22Test Unit. 22Test Specimen 23Test Procedure 25Data Evaluation 26Report 28

- Precision 28Commentary on AISI 5902-08 Stub-Column Test Method for Effective Area of

Cold-Formed Steel Columns 34

-= ences 35

VI2 Test Standards for Use with the 2007 North American Cotd-Fo

AISI S903-08 Standard Methods for Determination of Uniform and Local o-~1. Scope __ ~2. Referenced Documents .3. Symbols .4. Test Procedure .5. Alternative Test Procedure .

Commentary on AISI S903-08 Standard Methods for Determina"and Local Ductility .

Reference .AISI S904-08 Standard Test Methods for Determining the Tensile and Sh

Screws .

1. Scope .2. Referenced Documents .3. Symbols .4. TestMethods .5. Report .AISI S905-08 Test Methods for Mechanically Fastened Cold-Formed Steel CcM 7 t1. Scope .2. Referenced Documents .3. Terminology .4. Symbols __ ~5. Units of Symbols and Terms .6. Apparatus .7. Test Unit. .8. Test Specimens and Fixtures _~9. Test Procedures .10. Calculations .11. Test Report .

Commentary on S905-08 Test Methods for Mechanically Fastened Coii r ISteel Connections __ ..

References .AISI S906-08 Standard Procedures for Panel and Anchor Structural Tests .

1. Scope .2. Referenced Documents ..: __3. Terminology .4. Summary of the TestMethod __ -5. Significanceand End Use .6. Test Apparatus .7. SafetyPrecautions .8. Test Specimens .9. Calibration .10. Procedures .11. Test Evaluation .12. Test Report .

Commentary on AISI S906-08 Standard Procedures for Panel and Anc:O:l=Structural Tests .

1. Scope .

for Use with the 2007 North American Cold-Formed Steel Specification VI-3

- ence Documents 67.__ ninology 67

. icance and End Use 67- Apparatus 67._ - Precautions 67- pecimens 67zedures 68

-- Evaluation 68-- Report 68

---'-- 69-08 Test Standard for Cantilever Test Method for Cold-Formed Steel

Diaphragms 70

_ , 70enced Documents 70

_"~_~u,'-"ology 71ls 71of Symbo1s and Terms 72

_...;ion 72Frame Test Assemb1y 72

_ . g a Bare Frame Assemb1y 74-' g a Full Frame Test Assemb1y 74-- ysis of Diaphragm Test 75

ber of Diaphragm Tests 78.tions of Acceptance 79

..;:- pecimen Materials and Connectors 79- ..;:-Report 80

Commentary on AISI 5907-08 Test Standard for Cantilever Test Methodfor Cold-Formed Steel Diaphragms 81

........................................................................................................................................... 81Frame Test Assembly 81. g a Bare Frame Assembly 82

- sting a Full Frame Assemb1y 82-;: vsis of Diaphragm Tests 83

ber of Diaphragm Tests 83_ ditions of Acceptance 83- _ pecimen Materials and Connectors 84~_ Report 84

.::::::3::.g:rn Design References 84_." ......"'8-08 Base Test Method for Purlins Supporting a Standing Seam Roof System 85

........................................................................................................................................... 85- . enced Documents 85

~..mi ology 85bols: 86

-' of Symbols and Terms 87- _ aratus 87- _- pecimens : 89

Procedure 90Evaluation 91Report 93

VI4 Test Standards for Use with the 2007 North American Cold-f

Commentary on AI51 590808 Base Test Method for Purlins 5uppot:5JC.IStanding 5eam Root 5ystem .

References .AI51 5909-08 Standard Test Method tor Determining the Web Crippling S~.

Cold-Formed 5teel Beams .

1. Scope .2. Referenced Documents .3. Terminology ,4. Symbols .5. Units of Symbols and Terms .6. Apparatus .7. Test Specimen __ c--8. Test Procedure .9. Test Evaluation .10. Test Report .AI5159:1.0-08 Test Method tor Distortional Buckling of Cold-Formed 5teel ~= 1

Compression Members .

1. Scope , .2. Referenced Documents .3. Terminology .4. Symbols .5. Apparatus .6. Test Unit. .7. Specimens .8. Column Test Procedure .9. Calculations .10. Report .11. Precision .AI51 59:1.:1.-08 Method tor Flexural Testing Cold-Formed 5teel Hat Shaped Be__

1. Scope .2. Referenced Documents oo'3. Terminology _~_4. Symbols: .5. Apparatus _6. Test Unit. .7. Specimens _~_-8. BeamTest Procedure .9. Calculations .10. Report __ -11. Precision .AI51 59:1.208 Test Procedure tor Determining a 5trength Value tor a Roof

Panel-to-Purlin-to-Anchorage Device Connection _

1. Scope .2. Referenced Documents .3. Terminology _4. Units of Symbols and Terms .5. Apparatus .6. Test Specimens .

- "or Use with the 2007 North American Cold-Formed stee: Specification VI-5

-- Procedure 115-- Evaluation 116-- Report 1161.3-08 Test Standard for Hold-Downs Attached to Cold-Formed Steel Structural

Framing 117.........................................................................................................................................117

- enced Documents 117_= .unology 118

of Symbols and Terms 118. ion 118- Fixture 118-- Specimen 118-- Setup " 119

~ -- Procedure 126Evaluation 126Report 128

_., ..,;;"~4-08 Test Standard for Joist Connectors Attached to Cold-Formed SteelStructural Framing 129

- e 129ferenced Documents 129

- erminology 130nits of Symbols and Terms 130ec::ision 130

- - Fixture 130- st Specimen 131- t Setup 131- t Procedure 133

ta Evaluation 133t Report 133

2 - BIBLlOGRAPHY OF TEST PROCEDURES PERTINENT TO COLD-FORMED STEEL.. 1343 - EXAMPLE PROBLEM 137

-. LEVI-1: Computing