AISI S230 2019

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AISI S230-19: Standard for Cold-Formed Steel Framing

Published By	Publication Date	Number of Pages
AISI	2019	278

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Description

PDF Catalog

PDF Pages	PDF Title
3	AISI S230-19 DISCLAIMER
4	PREFACE
20	STANDARD FOR COLD-FORMED STEEL FRAMING —PRESCRIPTIVE METHOD FOR ONE- AND TWO-FAMILY DWELLINGS A. GENERAL A1 Scope A1.1 Limits of Applicability A1.2 Limitations in High Seismic Areas and High Wind Areas
21	A1.2.1 Irregular Buildings in High Seismic Areas and High Wind Areas A2 Definitions
23	A3 Referenced Documents
24	A4 Limitations of Framing Members A4.1 General A4.2 Sheathing Span Capacity A4.2.1 Floor Framing A4.2.2 Wall Framing A4.2.3 Roof and Ceiling Framing A4.3 Physical Dimensions
25	A4.4 Material Properties A4.4.1 Material Properties in High Wind Areas and High Seismic Areas A4.5 Web Holes A4.6 Hole Reinforcing A4.7 Hole Patching
33	B. CONNECTIONS B1 Fastening Requirements B2 Bearing Stiffeners B3 Clip Angles
34	B4 Anchor Bolts
37	C. FOUNDATION C1 General
38	D. FLOOR FRAMING D1 Floor Construction D2 Floor to Foundation or Structural Wall Connection D3 Minimum Floor Joist Sizes D3.1 Floor Cantilevers D4 Bearing Stiffeners D5 Joist Bracing and Blocking D5.1 Joist Top Flange Bracing
39	D5.2 Joist Bottom Flange Bracing/Blocking D5.3 Blocking at Interior Bearing Supports D5.4 Blocking at Cantilevers D6 Splicing D7 Framing of Floor Openings
40	D8 Floor Trusses D9 Diaphragms D9.1 Floor Diaphragms in High Seismic Areas and High Wind Areas
56	E. WALL FRAMING E1 Wall Construction E2 Wall to Foundation or Floor Connection E2.1 Uplift Connection in High Wind Areas – Wall Assembly to Foundation or Floor Assembly E3 Minimum Stud Sizes
57	E4 Stud Bracing E5 Splicing E6 Corner Framing E7 Headers
58	E7.1 Box-Beam Headers E7.2 Back-to-Back Headers E7.3 L-Headers
59	E7.3.1 Double L-Headers E7.3.2 Single L-Headers E7.3.3 Inverted L-Header Assemblies E7.4 Jack and King Studs E7.5 Head and Sill Track E8 Wall Bracing
60	E8.1 Braced Wall Lines E8.1.1 Braced Wall Line Spacing E8.1.2 Offsets in Braced Wall Lines E8.1.3 Braced Wall Line Connections to Floor and Roof Assemblies E8.2 Bracing Amount
61	E8.2.1 Minimum Required Bracing Amount for Braced Wall Lines E8.2.2 Bracing Amount Adjustments E8.2.2.1 Adjustment Factors for Wind Bracing Amounts E8.2.2.2 Adjustment Factor for Hold-Down Brackets E8.2.2.3 Adjustments for Bracing Methods E8.3 Braced Wall Panels
62	E8.3.1 Minimum Length of a Braced Wall Panel E8.3.2 Braced Wall Panel Location Requirements E8.4 Bracing Methods E8.4.1 Continuous Structural Sheathing Bracing Methods
63	E8.4.1.1 Method A – Continuous Wood Structural Panel Sheathing E8.4.1.2 Method B – Continuous Steel Sheet Sheathing E8.4.1.3 Method C – Continuous Structural Fiberboard Sheathing
64	E8.4.1.4 Method D – Continuous Gypsum Board Sheathing (Two Sides) E8.4.2 Other Approved Bracing Methods E9 Exterior Wall Covering E10 Reserved E11 Braced Walls in High Wind Areas and High Seismic Areas E11.1 General
65	E11.2 Braced Wall Lines E11.3 Type I (Solid Sheathed) Braced Wall Panels E11.4 Type II (Perforated) Braced Wall Lines
66	E11.5 Braced Wall Anchorage and Chord Stud Requirements E11.6 Attachment of Braced Walls to Foundations and Floor and Roof Diaphragms E12 Braced Wall Design in High Seismic Areas
67	E12.1 Length of Type I Braced Wall Panels E12.2 Braced Wall Anchorage and Chord Stud Requirements E12.3 Wall Top Track E13 Braced Wall Design in High Wind Areas E13.1 General
68	E13.2 Length of Braced Walls E13.3 Connections of Walls in High Wind Areas E13.3.1 General E13.3.2 Uplift Connection – Wall Assembly to Wall Assembly E13.3.3 Header Uplift Connections E13.3.3.1 Single Story or Top of a Two- or Three-Story Building
69	E13.3.3.2 Middle and Bottom Stories of a Two- or Three-Story Building E13.3.4 Wall Bottom Track to Foundation E13.4 Braced Wall Anchorage and Chord Stud Requirements
188	F. ROOF FRAMING F1 Roof Construction F2 Ceiling Joists F2.1 Minimum Ceiling Joist Size F2.2 Ceiling Joist Bearing Stiffeners F2.3 Ceiling Joist Bottom Flange Bracing F2.4 Ceiling Joist Top Flange Bracing
189	F2.5 Ceiling Joist Splicing F3 Roof Rafters F3.1 Minimum Roof Rafter Sizes F3.1.1 Eave Overhang F3.1.2 Rake Overhang F3.2 Roof Rafter Support Brace
190	F3.3 Roof Rafter Splice F3.4 Roof Rafter to Ceiling Joist and Ridge Member Connection F3.5 Roof Rafter Bottom Flange Bracing F4 Hip Framing
191	F4.1 Jack Rafters F4.2 Hip Members F4.3 Hip Support Columns F4.4 Hip Framing Connections F5 Framing of Openings in Roofs and Ceilings
192	F6 Roof Trusses F7 Ceiling and Roof Diaphragms F7.1 Roof Diaphragms in High Seismic Areas
193	F7.2 Roof Diaphragms in High Wind Areas F8 Roof Framing Connections in High Wind Areas F8.1 General F8.2 Uplift Connection – Roof Rafter or Truss to Wall F8.3 Ridge Strap Connection
228	DISCLAIMER
229	PREFACE
235	COMMENTARYON THE STANDARD FOR COLD-FORMED STEEL FRAMING—PRESCRIPTIVE METHOD FOR ONE- AND TWO-FAMILY DWELLINGS A. GENERAL A1 Scope A1.1 Limits of Applicability
236	A1.2 Limitations in High Seismic and High Wind Areas A1.2.1 Irregular Buildings in High Seismic and High Wind Areas A2 Definitions
237	A3 Referenced Documents A4 Limitations of Framing Members A4.1 General A4.2 Sheathing Span Capacity
238	A4.4 Material Properties
239	A4.4.1 Material Properties in High Wind and High Seismic Areas A4.5 Web Holes A4.6 Hole Reinforcing A4.7 Hole Patching
240	B. CONNECTIONS B1 Fastening Requirements B2 Bearing Stiffeners B3 Clip Angles B4 Anchor Bolts
241	D. FLOOR FRAMING D1 Floor Construction D2 Floor to Foundation or Structural Wall Connection D3 Minimum Floor Joist Sizes
242	D3.1 Floor Cantilevers D4 Bearing Stiffeners D5 Joist Bracing and Blocking D5.1 Joist Top Flange Bracing D5.2 Joist Bottom Flange Bracing/Blocking D5.3 Blocking at Interior Bearing Supports D5.4 Blocking at Cantilevers
243	D6 Splicing D7 Framing of Floor Openings D8 Floor Trusses D9 Diaphragms D9.1 Floor Diaphragms in High Seismic and High Wind Areas
245	E. WALL FRAMING E2 Wall to Foundation or Floor Connection E3 Minimum Stud Sizes
246	E4 Stud Bracing
247	E5 Splicing E6 Corner Framing E7 Headers E7.1 Box Headers
248	E7.2 Back-to-Back Headers E7.3 L-Headers E7.3.1 Double L-Headers E7.3.2 Single L-Headers
249	E7.3.3 Inverted L-Headers E7.4 Jack and King Studs E7.5 Head and Sill Track E8 Wall Bracing
250	E8.1 Braced Wall Lines E8.1.1 Braced Wall Line Spacing E8.1.2 Offsets in Braced Wall Lines E8.2 Bracing Amount E8.2.1 Minimum Required Bracing Amount for Braced Wall Lines E8.2.2 Bracing Amount Adjustments
251	E8.3 Braced Wall Panels E8.3.1 Minimum Length of a Braced Wall Panel E8.3.2 Braced Wall Panel Location Requirements E8.4 Bracing Methods
252	E8.4.1 Continuous Structural Sheathing Bracing Methods
253	E8.4.1.1 Method A – Continuous Wood Structural Panel Sheathing E8.4.1.2 Method B – Continuous Steel Sheet Sheathing E8.4.1.3 Method C – Continuous Structural Fiberboard Sheathing E8.4.1.4 Method D – Continuous Gypsum Board Sheathing (Two Sides) E8.4.2 Other Approved Bracing Methods E9 Exterior Wall Covering E11 Braced Walls in High Wind Areas and High Seismic Areas E11.1 General
256	E11.2 Braced Wall Lines E11.3 Type I (Solid Sheathed) Braced Wall Panels E11.4 Type II (Perforated) Braced Wall Lines E12 Braced Wall Design in High Seismic Areas E12.2 Braced Wall Anchorage and Chord Stud Requirements E13 Braced Wall Design in High Wind Areas E13.3 Connections of Walls in High Wind Areas E13.3.2 Uplift Connection – Wall Assembly to Wall Assembly E13.3.3 Header Uplift Connections
258	F. ROOF FRAMING F1 Roof Construction F2 Ceiling Joists F2.1 Minimum Ceiling Joist Size F2.2 Ceiling Joist Bearing Stiffeners F2.3 Ceiling Joist Bottom Flange Bracing F2.4 Ceiling Joist Top Flange Bracing F2.5 Ceiling Joist Splicing
259	F3 Roof Rafters F3.1 Minimum Roof Rafter Sizes F3.1.1 Eave Overhang F3.1.2 Rake Overhang F3.2 Roof Rafter Support Brace F3.3 Roof Rafter Splice F3.5 Roof Rafter Bottom Flange Bracing
260	F4 Hip Framing F5 Framing of Openings in Roofs and Ceilings F6 Roof Trusses F7 Ceiling and Roof Diaphragms F8 Roof Framing Connections in High Wind Areas F8.3 Ridge Strap Connection
261	APPENDIX A FLOW CHARTS
268	Wall Framing
272	Roof Framing – Ceiling Joists
274	REFERENCES