ASCE 10 97:1997 Edition

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ASCE Standard 10 Design of Latticed Steel Transmission Structures

Published By	Publication Date	Number of Pages
ASCE	1997	87

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Description

This updated standard, Design of Latticed Steel Transmission Structures (ASCE 10-97)N, provides requirements for the design of guyed and self-supporting latticed steel electrical transmission structures. They are applicable for hot-rolled and cold-formed steel shapes. Analysis techniques are outlined for the geometrical configurations presently in use. Procedures for the design of individual members reflect extensive experience and test data on steels with yield points up to 65 ksi. Connection design procedures allow the engineer to match connection capability to the most suitable end and edge distances for detailing. If full scale structure testing is required procedures are outlined to assist in obtaining critical information. Design procedures cover structural steel members and connections used in foundations. The commentary provides supporting background data.

PDF Catalog

PDF Pages	PDF Title
1	cope cope 1.3 Definitions 1.3 Definitions
3	FOREWORD FOREWORD
5	ACKNOWLEDGMENTS ACKNOWLEDGMENTS
14	2.0 Loading Geometry and Analysis 2.0 Loading Geometry and Analysis 2.1 Introduction 2.1 Introduction 2.2 Loads 2.2 Loads 2.3 Geometric Configurations 2.3 Geometric Configurations 3.2 Material 3.2 Material
15	3.4 Slenderness Ratios 3.4 Slenderness Ratios 3.5 Properties of Sections 3.5 Properties of Sections 3.7.1 Maximum wlt Ratio 3.7.1 Maximum wlt Ratio
16	3.7.3 Determination of Fa 3.7.3 Determination of Fa
18	3.7.4.4 Unsupported Length with Varying Forces 3.7.4.4 Unsupported Length with Varying Forces 3.7.4.5 Joint Restraint 3.7.4.5 Joint Restraint 3.8 Compression Members: Symmetrical Lipped Angles 3.8 Compression Members: Symmetrical Lipped Angles 3.8.2 Design Compressive Stress 3.8.2 Design Compressive Stress
19	3.8.4 Minimum Lip Depth 3.8.4 Minimum Lip Depth Design Compressive Stress Design Compressive Stress Maximum wlt Ratio Maximum wlt Ratio Effective Widths of Elements in Compression Effective Widths of Elements in Compression
20	3.9.3.2 Elements with Stress Gradient 3.9.3.2 Elements with Stress Gradient Doubly Symmetric Open Cross-sections Doubly Symmetric Open Cross-sections
21	3.10 Tension Members 3.10 Tension Members Design Tensile Stress Design Tensile Stress 3.10.2 Angle Members 3.10.2 Angle Members 3.10.3 Eccentric Connections 3.10.3 Eccentric Connections 3.10.4 Threaded Rods and Anchor Bolts 3.10.4 Threaded Rods and Anchor Bolts
22	3.10.5 Guys 3.10.5 Guys 3.11 Stitch Bolts 3.11 Stitch Bolts Axial Compression and Bending Axial Compression and Bending
23	Axial Tension and Bending Axial Tension and Bending Properties of Sections Properties of Sections 3.14.2 Design Tension 3.14.2 Design Tension Laterally Supported Beams Laterally Supported Beams 3.14.4 1 Channel and Cruciform Sections 3.14.4 1 Channel and Cruciform Sections
24	Other Doubly Symmetric Open Sections Other Doubly Symmetric Open Sections Singly Symmetric I and T Sections Singly Symmetric I and T Sections Other Singly Symmetric Open Sections Other Singly Symmetric Open Sections Equal Leg Angles Equal Leg Angles
26	3.15 Design Shear 3.15 Design Shear 3.15.1 Beam Webs 3.15.1 Beam Webs 3.15.2 Angles 3.15.2 Angles 3.16 Test Verification 3.16 Test Verification
27	4.0 Design of Connections 4.0 Design of Connections 4.1 Introduction 4.1 Introduction 4.2 General Requirements 4.2 General Requirements 4.3 Fasteners 4.3 Fasteners 4.3.1 Materials 4.3.1 Materials 4.3.2 Bolt Shear Capacity 4.3.2 Bolt Shear Capacity 4.3.3 Bolt Tension Capacity 4.3.3 Bolt Tension Capacity Bolts Subject to Combined Shear and Tension Bolts Subject to Combined Shear and Tension 4.4 Design Bearing Stress 4.4 Design Bearing Stress 4.5 Minimum Distances 4.5 Minimum Distances 4.5.1 End Distance 4.5.1 End Distance
28	Center-to-Center Bolt Hole Spacing Center-to-Center Bolt Hole Spacing 4.5.3 Edge Distance 4.5.3 Edge Distance 4.6 Attachment Holes 4.6 Attachment Holes 4.7 Test Verification 4.7 Test Verification Detailing and Fabrication Detailing and Fabrication 5.1 Detailing 5.1 Detailing 5.1.1 Drawings 5.1.1 Drawings Approval of Shop Drawings Approval of Shop Drawings
29	5.1.3 Connections 5.1.3 Connections 5.1.4 Bolt Spacing 5.1.4 Bolt Spacing Detail Failures During Testing Detail Failures During Testing 5.1.6 Material 5.1.6 Material 5.1.7 Weathering Steel 5.1.7 Weathering Steel 5.1.8 Tension-Only Members 5.1.8 Tension-Only Members Shop Check Assembly Shop Check Assembly 5.1.10 Other Considerations 5.1.10 Other Considerations 5.2 Fabrication 5.2 Fabrication 5.2.1 Material 5.2.1 Material 5.2.2 Specifications 5.2.2 Specifications 5.2.3 Shop Operations 5.2.3 Shop Operations
30	5.2.4 Piece Marks 5.2.4 Piece Marks 5.2.5 Welding 5.2.5 Welding 5.2.6 Galvanizing 5.2.6 Galvanizing 5.2.7 Shipping 5.2.7 Shipping 6.0 Testing 6.0 Testing Introduction Introduction Foundations Foundations Material Material Fabrication Fabrication Strain Measurements Strain Measurements Assembly and Erection Assembly and Erection
31	Test Loads Test Loads Load Application Load Application Loading Procedure Loading Procedure Load Measurement Load Measurement Deflections Deflections Failures Failures Disposition of Prototype Disposition of Prototype
32	Report Report Structural Members and Connections Used in Foundations Structural Members and Connections Used in Foundations 7.1 Introduction 7.1 Introduction 7.2 General Considerations 7.2 General Considerations 7.2.1 Steel Grillages 7.2.1 Steel Grillages
33	7.2.2 Pressed Plates 7.2.2 Pressed Plates 7.2.3 Stub Angles 7.2.3 Stub Angles 7.2.4 Anchor Bolts 7.2.4 Anchor Bolts Grout Grout Grout Grout Concrete or Grout Concrete or Grout
34	7.3 Deterioration Considerations 7.3 Deterioration Considerations Design of Stub Angles and Anchor Bolts Design of Stub Angles and Anchor Bolts Stub Angles in Concrete Stub Angles in Concrete Anchor Bolts with Base Assembly in Contact with Concrete or Grout Anchor Bolts with Base Assembly in Contact with Concrete or Grout
35	Design Requirements for Concrete and Reinforcing Steel Design Requirements for Concrete and Reinforcing Steel 7.5.1 Stub Angles 7.5.1 Stub Angles Smooth Bar Anchor Bolts Smooth Bar Anchor Bolts Minimum Embedment for Anchor Bolts Minimum Embedment for Anchor Bolts Deformed Bar Anchor Bolts Deformed Bar Anchor Bolts
36	7.6 Shear Connectors 7.6 Shear Connectors Stud Shear Connectors Stud Shear Connectors Angle Shear Connectors Angle Shear Connectors 7.7 Test Verification 7.7 Test Verification 8.0 Quality Assurance/Quality Control 8.0 Quality Assurance/Quality Control 8.1 Introduction 8.1 Introduction 8.2 Quality Assurance 8.2 Quality Assurance
37	C2.0 Loading Geometry and Analysis C2.0 Loading Geometry and Analysis C2.1 Introduction C2.1 Introduction
38	C2.4 Methods of Analysis C2.4 Methods of Analysis
42	Design of Members Design of Members
43	Material Material Compression Members: Angles Compression Members: Angles
48	Tension Members Tension Members Axial Compression and Bending Axial Compression and Bending C3.14.4 I Channel and Cruciform Sections C3.14.4 I Channel and Cruciform Sections
49	C4.1 Introduction C4.1 Introduction C4.3 Fasteners C4.3 Fasteners C4.3.2 C4.3.2 Bolt Shear Capacity Bolt Shear Capacity
50	C4.3.3 C4.3.3 Bolt Tension Capacity Bolt Tension Capacity C4.3.4 C4.3.4 Bolts Subject to Combined Shear and Tension Bolts Subject to Combined Shear and Tension C4.4 C4.4 Design Bearing Stress Design Bearing Stress C4.5 Minimum Distances C4.5 Minimum Distances C4.5.1 End Distance C4.5.1 End Distance
53	Center-to-Center Bolt Hole Spacing Center-to-Center Bolt Hole Spacing C4.5.3 Edge Distance C4.5.3 Edge Distance C4.6 Attachment Holes C4.6 Attachment Holes
54	Testing Testing Introduction Introduction
55	C6.2.3 I Embedded Portion C6.2.3 I Embedded Portion C6.2.3.2 Above-Ground Portion C6.2.3.2 Above-Ground Portion C6.2.4 Components C6.2.4 Components Material Material Fabrication Fabrication
56	Assembly and Erection Assembly and Erection C6.8 C6.8
57	Load Measurement Load Measurement Disposition of Prototype Disposition of Prototype
58	Quality Assurance/Quality Control Quality Assurance/Quality Control
59	C8.2 Quality Assurance C8.2 Quality Assurance
60	efesences efesences
64	Appendix B-Examples Appendix B-Examples
65	Effect of End Connections on Member Capacity Effect of End Connections on Member Capacity
66	K-Bracing Two Angle Member K-Bracing Two Angle Member
68	Effect of Subdivided Panels and End Connections Effect of Subdivided Panels and End Connections
72	X-Brace Systems with Intermediate Redundant Support-Case X-Brace Systems with Intermediate Redundant Support-Case
73	Cold-Formed Angle Cold-Formed Angle
74	Colded-Formed Lipped Angle Colded-Formed Lipped Angle
75	M-Section as Column Member M-Section as Column Member
76	Channel as Column Channel as Column
77	T-Section as Column T-Section as Column
79	Schifflenzed Angle with Symmetrical Bracing Schifflenzed Angle with Symmetrical Bracing
80	Schifflenzed Angle with Unsymmetrical Bracing Schifflenzed Angle with Unsymmetrical Bracing
82	Index Index