Steel. Threshold on Yield Stress, Tensile Strength, and Young’S Modulus Temperatures Vary As a Function of Mechanical Property Under Consideration
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Overall Outline 1000. Introduction 2000. Federal Regulations, Guides, and Reports Training Course on 3000. Site Investigation Civil/Structural Codes and Inspection 4000. Loads, Load Factors, and Load Combinations 5000. Concrete Structures and Construction 6000. Steel Structures and Construction 7000. General Construction Methods BMA Engineering, Inc. 8000. Exams and Course Evaluation 9000. References and Sources BMA Engineering, Inc. – 6000 1 BMA Engineering, Inc. – 6000 2 6000. STEEL 6000. STEEL • 6130 ‐ Design Data, Principles and Tools • Objective and Scope 6100 & 6200 • 6140 ‐ Codes and Standards – Provide an intermediate level review and practical • 6200 ‐ Material application of structural analysis and design to • 6310 ‐ Members and Components steel buildings and nuclear power plant steel 6300 • 6320 ‐ Connections, Joints and Details structures • 6330 ‐ Frames and Assembles • 6410 ‐ AISC Specifications for Structural Joints – Present and discuss 6400 • 6420 ‐ AISC 303 CdCode of Stan dar d PtiPractice • Structural Steel Design Data, Principles and Tools • 6430 ‐ AWS D1.1 Structural Welding Code • Materials 6500 • 6510 ‐ Nondestructive Testing Methods • Design and Behavior • 6520 ‐ AWS D1.1 Structural Welding Code Tests • Fabrication and Construction 6600 • 6610 ‐ Steel Construction • Construction Testing and Examination • 6620/6630 ‐ NUREG‐0800 / RG 1.94 BMA Engineering, Inc. – 6000 3 BMA Engineering, Inc. – 6000 4 6000. STEEL 6000. STEEL • • Applicable Codes and Specifications, and applicable Applicable Codes and Specifications, and NRC Publications applicable NRC Publications – AISC N690 Specification for the Design, Fabrication and – AWS D1.1 Structural Welding Code Erection of Steel Safety‐Related Structures for Nuclear – ASTM Applicable Sections Fac ilities (hih(which uses the 2005 AISC SifitiSpecification for Structural Steel Buildings as the baseline document and – NUREG‐0800 Standard Review Plan (SRP) for the modifies the specific portions of the specification for Review of Safety Analysis Reports for Nuclear nuclear facilities) Power Plants – Specifications for Structural Joints Using ASTM A325 or – RG 1941.94 Quality Assurance Requirements for A490 Bolts Installation, Inspection, and Testing of Structural – AISC 303 Code of Standard Practice for Steel Buildings and Concrete and Structural Steel During the Bridges Construction Phase of Nuclear Power Plants BMA Engineering, Inc. – 6000 5 BMA Engineering, Inc. – 6000 6 6000. STEEL 6100. Introduction ‐ Structural Steel Design Data, Principles, and Tools • 6130 ‐ Design Data, Principles and Tools 6100 & 6200 • 6140 ‐ Codes and Standards • Structural Steel Types, Mechlhanical and • 6200 ‐ Material Physical Properties, and Steel Sections • 6310 ‐ Members and Components • Selecting Design Principles for Steel Structures 6300 • 6320 ‐ Connections, Joints and Details • 6330 ‐ Frames and Assembles • Selecting Computational Methods For Steel • 6410 ‐ AISC Specifications for Structural Joints Structure Design 6400 • 6420 ‐ AISC 303 CdCode of Stan dar d PtiPractice • Primary Design Considerations in the Design • 6430 ‐ AWS D1.1 Structural Welding Code of Steel Structures 6500 • 6510 ‐ Nondestructive Testing Methods • 6520 ‐ AWS D1.1 Structural Welding Code Tests 6200. Materials 6600 • 6610 ‐ Steel Construction • ASTM Related Sections • 6620/6630 ‐ NUREG‐0800 / RG 1.94 BMA Engineering, Inc. – 6000 7 BMA Engineering, Inc. – 6000 8 His tory of Struc tura l Stee l His tory of Struc tura l Stee l Iron Structural Steel • • Chief component of steel Steel is an alloy of primarily iron, carbon (1 to 2%) and small amount of other components (manganese, • Wrought iron first used for tools around 4000 BC niklickel, …) • Produced by heating ore in a charcoal fire • Fewer impurities and less carbon than cast iron • Cast and wrought iron used in the late 18C and • Carbon contributes to strength but reduces ductility. early 19C • Began to replace iron in construction in the mid • in bridges 1800s • First steel railroad bridge in 1874 • First steel framed building in 1884 BMA Engineering, Inc. – 6000 9 BMA Engineering, Inc. – 6000 10 GdGrades of Stee l Applicable Numerous grades of steel are available in the ASTM marketplace. The choice is dependent on Specifications/ • Application Shapes • Yield strength •Composition BMA Engineering, Inc. – 6000 11 BMA Engineering, Inc. – 6000 12 Types of Steel Applicable ASTM • Ordinary grades Specifications/ Fasteners • High‐strength • Special purpose BMA Engineering, Inc. – 6000 13 BMA Engineering, Inc. – 6000 14 Structural Shape Size Groupings for Tensile Property Classification Structural Shapes Group 1 Group 2 Group 3 Group 4 Group 5 W Shapes W 24 x 55, 62 W 44 x 244 W 44 x 248, W 40 x 362 to W 36 x 848 W 21 x 44 to W 40 x 49 to 285 655 incl. W 14 x 6O5 to Ordinary Grades of Steel 57 incl. 268 incl. W 40 x 227 to W 36 x 328 to 730 incl. W 18 x 35 to W 36 x 135 to 328 incl. 798 incl. 71 incl. 210 incl. W 36 x 230 to W 33 x 318 to W 16 x 26 to W 33 x118 to 300 incl. 619 incl. 57 incl. 152 incl. W 33 x 201 to W 30 x 292 to W 14 x 22 to W 30 x 90 to 291 incl. 581 incl. 53 incl. 211 incl. W 30 x 235 to W 27 x 281 to W 12 x 14 to W 27 x 84 to 261 incl. 539 incl. Availability of Shapes, Plates and Bars According to 58 incl. 178 incl. W 27 x 194 to W 24 X 250 to ASTM Structure Steel Specifications W 8 x 10 to W 24 x 68 to 258 incl. 492 incl. Size 48 incl. 162 incl. W 24 x 176 to W 21 x 248 to W 0 x 9 to W 21 x 62 to 229 incl. 402 incl. 25 incl. 117 incl. W 21 x 166 to W 18 x 211 to Shapes W 5 x 16, 19 W 18 x 78 to 223 incl. 311 incl. Plates and Bars 143 incl. W 18 x 158 to W 12 x 210 to W 4 x 13 W 16 x 67 to 192 incl. 336 incl. Fy Group per Over Over Over Over Over Over Over Over Over Groupings 100 incl. W 14 x 145 to Mini- F u ASTM A6 W 14 x 61 to 211 incl. ASTM Mum Ten- 1/2” 3/4” 1 1/4” 1 1/2” 2” 2 1/2” 4” 5” 6” 132 incl. W 12 x 120 to de Steel de Des- Yield sile To To To To To To To To To To W 12 x 65 to 190 incl. aa 106 incl. Steel igna- Stress Stressa 1/2” 3/4” 1 1/4” 1 1/2” 2” 2 1/2” 4” 5” 6” 8” Over W 10 x 49 to Type tion (ksi) (ksi) b 112 incl. 12345 Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. 8” M Shapes to 37.7 lb/ft W 8 x 58, 67 incl. 32 58-80 S Shapes to 35 lb/ft nary Gr A36 incl. ii c Carbon 36 58-80 HP Shapes to 102 lb/ft over 102 American to 20.7 lb/ft incl. lb/ft Ord A529 42 60-85 Standards incl. over 20.7 Channels (C) to 28.5 lb/ft lb/ft a Minimum unless a range is shown. Miscellaneous incl. over 28.5 Channels (MC) to 1/2 in incl. lb/ft b Includes bar-size shapes. Angles (L) over 1/2 to 3/4 over 3/4 in. c Structural in. incl. For shapes over 426 lbs./ft, minimum of 58 ksi only applies. Bar-size Available Notes: Structural tees from W, M, and S shapes fall into same group as the structural shape from which they are cut. For details, see AISC Steel Construction Group 4 and Group 5 shapes are generally contemplated as columns or compression components. When used in other applications Not Available th (e.g., trusses) and when thermal cutting or welding is required, special material specification and fabrication procedures apply to Manual 13 Ed. Table 2-4, page 2-40 minimize the possibility of cracking BMA Engineering, Inc. – 6000 15 BMA Engineering, Inc. – 6000 16 High‐Strength Steels Special Purpose Steels Availability of Shapes, Plates and Bars According to Availabilityyp of Shapes, Plates and Bars According to ASTM Structural Steel Specifications ASTM Structural Steel Specifications Fy Shapes Plates and Bars Mini- F ASTM u Over Over Over Over Over OverOver Over Over Shapes Plates and Bars Mum Ten- Group per Fy Des- 1/2” 3/4” 1 1/4” 1 1/2” 2” 2 1/2” 4” 5” 6” Over Over Over Over Over Over Over Over Over Yield sile ASTM A6 Mini- Fu igna- To to to to to to to to to to l Group per a ASTM 1/2” 3/4” 11/41 1/4” 11/21 1/2” 2” 21/22 1/2” 4” 5” 6” Steel ee Ten- Stress Stress 1/2” 3/4” 1 1/4” 1 1/2” 2” 2 1/2” 4” 5” 6” 8” Over Mum tion b Des- ASTM A6 Type (ksi) (ksi) 1 234 5 Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. 8” Yield sile To To To To To To To To To To 40 60 Steel igna- Stres Stressa 1/2” 3/4” 1 1/4” 1 1/2” 2” 2 1/2” 4” 5” 6” 8” Over 42 63 Type tion s (ksi) (ksi) b1234 5 Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. Incl. 8” teel A441 46 67 ose Ste Quenched pp SS 50 70 & High- 42 42 60 Tem- d 90 - A852 70 Strength 50 50 65 pered 110 Low- Low- 60 60 75 alloy rength A572 Grade alloy 65 ecial Pur tt 65 80 pp Quenched 42 63 100 - S & A242 46 67 90 130 Tem- d 50 A514 70 pered High-S 42 63 100 - Low- 100 A588 46 67 alloy 130 50 70 a Minimum unless a range is shown.