Technical Committee on Steel Structures for Buildings
Preface
1 Scope and Application
1.1 General
1.2 Requirements
1.3 Application
1.4 Other Standards
2 Definitions and Symbols
2.1 Definitions
2.2 Symbols
2.3 Units
3 Reference Publications
4 Structural Documents
4.1 General
4.2 Structural Design Documents
4.3 Fabrication and Erection Documents
5 Material: Standards and Identification
5.1 Standards
5.2 Identification
6 Design Requirements
6.1 General
6.2 Loads
6.3 Requirements under Specified Loads
6.4 Requirements under Factored Loads
6.5 Expansion and Contraction
6.6 Corrosion Protection
7 Factored Loads and Safety Criterion
7.1 Safety during Erection and Construction
7.2 Safety Criterion and Effect of Factored Loads for the
Ultimate Limit States
8 Analysis of Structure
8.1 General
8.2 Rigidly Connected and Continuous Construction
8.3 Simple Construction
8.4 Semi-Rigid (Partially Restrained) Construction
8.5 Elastic Analysis
8.6 Plastic Analysis
8.7 Stability Effects
9 Stability of Structures and Members
9.1 Stability of Structures
9.2 Stability of Members
10 Design Lengths and Slenderness Ratios
10.1 Simple Span Flexural Members
10.2 Continuous Span Flexural Members
10.3 Members in Compression
10.4 Slenderness Ratios
11 Width-to-Thickness Ratios: Elements in Compression
11.1 Classification of Sections
11.2 Maximum Width-to-Thickness Ratios of Elements Subject
to Compression
11.3 Width and Thickness
12 Gross and Net Areas
12.1 Application
12.2 Gross Area
12.3 Net Area
12.4 Pin-Connected Members in Tension
13 Member and Connection Resistance
13.1 Resistance Factors
13.2 Axial Tension Member and Connection Resistance
13.3 Axial Compression
13.4 Shear
13.5 Bending - Laterally Supported Members
13.6 Bending - Laterally Unsupported Members
13.7 Lateral Bracing for Members in Structures Analyzed
Plastically
13.8 Axial Compression and Bending
13.9 Axial Tension and Bending
13.10 Load Bearing
13.11 Tension and Shear Block Failure
13.12 Bolts
13.13 Welds
14 Beams and Girders
14.1 Proportioning
14.2 Flanges
14.3 Webs
14.4 Bearing Stiffeners
14.5 Intermediate Transverse Stiffeners
14.6 Combined Shear and Moment
14.7 Rotational Restraint at Points of Support
14.8 Copes
14.9 Lateral Forces
14.10 Torsion
15 Trusses
15.1 Analysis
15.2 General Requirements
15.3 Composite Trusses
16 Open-Web Steel Joists
16.1 Scope
16.2 General
16.3 Materials
16.4 Design Documents
16.5 Design
16.6 Stability during Construction
16.7 Bridging
16.8 Decking
16.9 Shop Coating
16.10 Manufacturing Tolerances
16.11 Inspection and Quality Control
16.12 Handling and Erection
17 Composite Beams, Trusses, and Joists
17.1 Application
17.2 Definitions
17.3 General
17.4 Design Effective Width of Concrete
17.5 Slab Reinforcement
17.6 Interconnection
17.7 Shear Connectors
17.8 Ties
17.9 Design of Composite Beams with Shear Connectors
17.10 Design of Composite Beams without Shear Connectors
17.11 Unshored Beams
17.12 Beams during Construction
18 Composite Columns
18.1 Resistance Prior to Composite Action
18.2 Concrete-Filled Hollow Structural Sections
18.3 Partially Encased Composite Columns
18.4 Encased Composite Columns
19 General Requirements for Built-up Members
19.1 Members in Compression
19.2 Members in Tension
19.3 Open Box-Type Beams and Grillages
20 Plate Walls
20.1 General
20.2 Preliminary Proportioning
20.3 Angle of Inclination
20.4 Limits on Angle of Inclination and Column Flexibility
20.5 Detailed Analysis
20.6 Web Plates
20.7 Beams
20.8 Columns
20.9 Anchorage of Web Plates
20.10 Connections
21 Connections
21.1 Alignment of Members
21.2 Unrestrained Members
21.3 Restrained Members
21.4 Connections of Tension or Compression Members
21.5 Bearing Joints in Compression Members
21.6 Lamellar Tearing
21.7 Placement of Fasteners and Welds
21.8 Fillers
21.9 Welds in Combination
21.10 Fasteners and Welds in Combination
21.11 High-Strength Bolts (in Slip-Critical Joints) and
Rivets in Combination
22 Design and Detailing of Bolted Connections
22.1 General
22.2 Design of Bolted Connections
22.3 Detailing of Bolted Connections
23 Installation and Inspection of Bolted Joints
23.1 A 307 Bolts
23.2 Connection Fit-up
23.3 Surface Conditions for Slip-Critical Connections
23.4 Minimum Bolt Length
23.5 Use of Washers
23.6 Storage of Fastener Components for Pretensioned Bolt
Assemblies
23.7 Snug-Tightened High-Strength Bolts
23.8 Pretensioned High-Strength Bolts
23.9 Inspection Procedures
24 Welding
24.1 Arc Welding
24.2 Resistance Welding
24.3 Fabricator and Erector Qualification
25 Column Bases and Anchor Rods
25.1 Loads
25.2 Resistance
25.3 Fabrication and Erection
26 Fatigue
26.1 General
26.2 Proportioning
26.3 Live Load-Induced Fatigue
26.4 Distortion-Induced Fatigue
27 Seismic Design Requirements
27.1 General
27.2 Type D (Ductile) Moment-Resisting Frames, R[d] = 5.0,
R[o] = 1.5
27.3 Type MD (Moderately Ductile) Moment-Resisting Frames,
R[d] = 3.5, R[o] = 1.5
27.4 Type LD (Limited-Ductility) Moment-Resisting Frames,
R[d] = 2.0, R[o] = 1.3
27.5 Type MD (Moderately Ductile) Concentrically Braced
Frames, R[d] = 3.0, R[o] = 1.3
27.6 Type LD (Limited-Ductility) Concentrically Braced
Frames, R[d] = 2.0, R[o] = 1.3
27.7 Ductile Eccentrically Braced Frames, R[d] = 4.0,
R[o] = 1.5
27.8 Plate Walls
27.9 Cantilever Column Structures
27.10 Conventional Construction, R[d] = 1.5, R[o] = 1.3
27.11 Special Seismic Construction
28 Shop and Field Fabrication and Coating
28.1 Cambering, Curving, and Straightening
28.2 Thermal Cutting
28.3 Sheared or Thermally Cut Edge Finish
28.4 Fastener Holes
28.5 Joints in Contact Bearing
28.6 Member Tolerances
28.7 Steel Building Systems
28.8 Cleaning, Surface Preparation, and Shop Coating
29 Erection
29.1 General
29.2 Temporary Loads
29.3 Adequacy of Temporary Connections
29.4 Alignment
29.5 Surface Preparation for Field Welding
29.6 Field Coating
29.7 Erection Tolerances
30 Inspection
30.1 General
30.2 Co-operation
30.3 Rejection
30.4 Inspection of High-Strength Bolted Joints
30.5 Third-Party Welding Inspection
30.6 Identification of Steel by Marking
Tables
Figures
Appendices
A - Standard Practice for Structural Steel
B - Margins of Safety
C - Crane-Supporting Structures
D - Recommended Maximum Values for Deflection for Specified
Design Live and Wind Loads
E - Guide for Floor Vibrations
F - Effective Lengths of Columns
G - Criteria for Estimating Effective Column Lengths in
Continuous Frames
H - Deflections of Composite Beams Due to Shrinkage of Concrete
I - Arbitration Procedure for Pretensioning Connections
J - Ductile Moment-Resisting Connections