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E-raamat: Foundation and Anchor Design Guide for Metal Building Systems

  • Formaat: 240 pages
  • Ilmumisaeg: 22-Sep-2012
  • Kirjastus: McGraw-Hill Professional
  • Keel: eng
  • ISBN-13: 9780071766340
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  • Formaat: 240 pages
  • Ilmumisaeg: 22-Sep-2012
  • Kirjastus: McGraw-Hill Professional
  • Keel: eng
  • ISBN-13: 9780071766340

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Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. MEET THE COMPLEX CHALLENGES OF METAL BUILDING SYSTEMS FOUNDATION DESIGNExpand your professional design skills and engineer safe, reliable foundations and anchors for metal building systems. Written by a practicing structural engineer, Foundation and Anchor Design Guide for Metal Building Systems thoroughly covers the entire process--from initial soil investigation through final design and construction. The design of different types of foundations is explained and illustrated with step-by-step examples. The nuts-and-bolts discussion covers the best designand construction practices. This detailed reference book explains how the design of metal building foundations differs from the design of conventional foundations and how to comply with applicable building codes while avoiding common pitfalls.

COVERAGE INCLUDES:





Metal building and foundation design fundamentals Soil types, properties, and investigation Unique aspects of foundation design for metal building systems Design of isolated column footings Foundation walls and wall footings Tie rods, hairpins, and slab ties Moment-resisting foundations Slab with haunch, trench footings, and mats Deep foundations Anchors in metal building systems Concrete embedments in metal building systems
Preface xiii
1 Introduction to Metal Building Systems
1(14)
1.1 Two Main Classes of Metal Building Systems
1(1)
1.2 Frame-and-Purlin Buildings: Primary and Secondary Framing
1(8)
1.2.1 Primary Frames: Usage and Terminology
3(1)
1.2.2 Single-Span Rigid Frames
3(1)
1.2.3 Multiple-Span Rigid Frames
4(1)
1.2.4 Tapered Beam
5(1)
1.2.5 Trusses
6(1)
1.2.6 Other Primary Framing Systems
7(1)
1.2.7 Endwall and Sidewall Framing
7(2)
1.3 Frame-and-Purlin Buildings: Lateral-Force-Resisting Systems
9(4)
1.4 Quonset Hut-Type Buildings
13(2)
References
14(1)
2 Foundation Design Basics
15(22)
2.1 Soil Types and Properties
15(7)
2.1.1 Introduction
15(1)
2.1.2 Some Relevant Soil Properties
15(1)
2.1.3 Soil Classification
16(1)
2.1.4 Characteristics of Coarse-Grained Soils
17(1)
2.1.5 Characteristics of Fine-Grained Soils
17(2)
2.1.6 The Atterberg Limits
19(1)
2.1.7 Soil Mixtures
20(1)
2.1.8 Structural Fill
21(1)
2.1.9 Rock
21(1)
2.2 Problem Soils
22(2)
2.2.1 Expansive Soils: The Main Issues
22(1)
2.2.2 Measuring Expansive Potential of Soil
22(1)
2.2.3 Organics
23(1)
2.2.4 Collapsing Soils and Karst
24(1)
2.3 Soil Investigation
24(5)
2.3.1 Types of Investigation
24(1)
2.3.2 Preliminary Exploration
25(1)
2.3.3 Detailed Exploration: Soil Borings and Other Methods
26(2)
2.3.4 Laboratory Testing
28(1)
2.4 Settlement and Heave Issues
29(4)
2.4.1 What Causes Settlement?
29(1)
2.4.2 Settlement in Sands and Gravels
29(1)
2.4.3 Settlement in Silts and Clays
30(1)
2.4.4 Differential Settlement
31(1)
2.4.5 Some Criteria for Tolerable Differential Settlement
32(1)
2.5 Determination of Allowable Bearing Value
33(2)
2.5.1 Why Not Simply Use the Code Tables?
33(1)
2.5.2 Special Provisions for Seismic Areas
34(1)
2.5.3 What Constitutes a Foundation Failure?
34(1)
2.5.4 Summary
35(1)
2.6 Shallow vs. Deep Foundations
35(2)
References
36(1)
3 Foundations for Metal Building Systems: The Main Issues
37(22)
3.1 The Differences between Foundations for Conventional Buildings and Metal Building Systems
37(6)
3.1.1 Light Weight Means Large Net Uplift
37(3)
3.1.2 Large Lateral Reactions
40(1)
3.1.3 Factors of Safety and One-Third Stress Increase
41(1)
3.1.4 In Some Circumstances, Uncertainty of Reactions
42(1)
3.2 Estimating Column Reactions
43(2)
3.2.1 Methods of Estimating Reactions
43(1)
3.2.2 How Accurate Are the Estimates?
44(1)
3.3 Effects of Column Fixity on Foundations
45(1)
3.3.1 Is There a Cost Advantage?
45(1)
3.3.2 Feasibility of Fixed-Base Columns in MBS
45(1)
3.3.3 Communication Breakdown
46(1)
3.4 General Procedure for Foundation Design
46(4)
3.4.1 Assign Responsibilities
46(1)
3.4.2 Collect Design Information
47(1)
3.4.3 Research Relevant Code Provisions and Determine Reactions
47(1)
3.4.4 Determine Controlling Load Combinations
47(2)
3.4.5 Choose Shallow or Deep Foundations
49(1)
3.4.6 Establish Minimum Foundation Depth
49(1)
3.4.7 Design the Foundation
49(1)
3.5 Reliability, Versatility, and Cost
50(2)
3.5.1 Definitions
50(1)
3.5.2 Some Examples
50(2)
3.6 Column Pedestals (Piers)
52(7)
3.6.1 The Area Inviting Controversy
52(1)
3.6.2 Two Methods of Supporting Steel Columns in Shallow Foundations
52(2)
3.6.3 Establishing Sizes of Column Pedestals (Piers)
54(1)
3.6.4 Minimum Reinforcement of Piers
54(3)
References
57(2)
4 Design of Isolated Column Footings
59(20)
4.1 The Basics of Footing Design and Construction
59(3)
4.1.1 Basic Design Requirements
59(1)
4.1.2 Construction Requirements
60(1)
4.1.3 Seismic Ties
60(1)
4.1.4 Reinforced-Concrete Footings
60(1)
4.1.5 Plain-Concrete and Other Footings
60(1)
4.1.6 Nominal vs. Factored Loading
61(1)
4.2 The Design Process
62(17)
4.2.1 General Design Procedure
62(1)
4.2.2 Using ASD Load Combinations
62(1)
4.2.3 Using Load Combinations for Strength Design
63(1)
4.2.4 What Is Included in the Dead Load?
63(1)
4.2.5 Designing for Moment
64(1)
4.2.6 Designing for Shear
65(3)
4.2.7 Minimum Footing Reinforcement
68(1)
4.2.8 Distribution of Reinforcement Rectangular Footings
68(1)
4.2.9 Designing for Uplift
69(1)
4.2.10 Reinforcement at Top of Footings
70(7)
References
77(2)
5 Foundation Walls and Wall Footings
79(10)
5.1 The Basics of Design and Construction
79(10)
5.1.1 Foundation Options for Support of Exterior Walls
79(1)
5.1.2 Design and Construction Requirements for Foundation Walls
80(3)
5.1.3 Construction of Wall Footings
83(1)
5.1.4 Design of Wall Footings
84(3)
References
87(2)
6 Tie Rods, Hairpins, and Slab Ties
89(24)
6.1 Tie Rods
89(14)
6.1.1 The Main Issues
89(1)
6.1.2 Some Basic Tie-Rod Systems
90(2)
6.1.3 A Reliable Tie-Rod Design
92(3)
6.1.4 Development of Tie Rods by Standard Hooks
95(1)
6.1.5 Design of Tie Rods Considering Elastic Elongation
96(1)
6.1.6 Post-Tensioned Tie Rods
97(2)
6.1.7 Tie-Rod Grid
99(1)
6.1.8 Which Tie-Rod Design Is Best?
100(3)
6.2 Hairpins and Slab Ties
103(10)
6.2.1 Hairpins: The Essence of the System
103(1)
6.2.2 Hairpins in Slabs on Grade
104(1)
6.2.3 Hairpins: The Design Process
105(2)
6.2.4 Development of Straight Bars in Slabs
107(2)
6.2.5 Slab Ties (Dowels)
109(2)
6.2.6 Using Foundation Seats
111(1)
References
111(2)
7 Moment-Resisting Foundations
113(30)
7.1 The Basic Concept
113(2)
7.1.1 A Close Relative: Cantilevered Retaining Wall
113(2)
7.1.2 Advantages and Disadvantages
115(1)
7.2 Active, Passive, and At-Rest Soil Pressures
115(4)
7.2.1 The Nature of Active, Passive, and At-Rest Pressures
115(2)
7.2.2 How to Compute Active, Passive, and At-Rest Pressure
117(1)
7.2.3 Typical Values of Active, Passive, and At-Rest Coefficients
117(2)
7.3 Lateral Sliding Resistance
119(2)
7.3.1 The Nature of Lateral Sliding Resistance
119(1)
7.3.2 Combining Lateral Sliding Resistance and Passive Pressure Resistance
120(1)
7.4 Factors of Safety against Overturning and Sliding
121(1)
7.4.1 No Explicit Factors of Safety in IBC Load Combinations
121(1)
7.4.2 Explicit Factors of Safety for Retaining Walls
121(1)
7.4.3 How to Increase Lateral Sliding Resistance
122(1)
7.5 The Design Procedures
122(21)
7.5.1 Design Input
122(1)
7.5.2 Design Using Combined Stresses Acting on Soil
123(3)
7.5.3 The Pressure Wedge Method
126(1)
7.5.4 General Design Process
127(1)
7.5.5 Moment-Resisting Foundations in Combination with Slab Dowels
127(14)
References
141(2)
8 Slab with Haunch, Trench Footings, and Mats
143(30)
8.1 Slab with Haunch
143(21)
8.1.1 General Issues
143(1)
8.1.2 The Role of Girt Inset
144(1)
8.1.3 Resisting the Column Reactions
144(20)
8.2 Trench Footings
164(1)
8.3 Mats
165(8)
8.3.1 Common Uses
165(2)
8.3.2 The Basics of Design
167(1)
8.3.3 Typical Construction in Cold Climates
168(3)
8.3.4 Using Anchor Bolts in Mats
171(1)
References
172(1)
9 Deep Foundations
173(12)
9.1 Introduction
173(1)
9.2 Deep Piers
173(3)
9.2.1 The Basics of Design and Construction
173(1)
9.2.2 Resisting Uplift and Lateral Column Reactions with Deep Piers
174(2)
9.3 Piles
176(9)
9.3.1 The Basic Options
176(1)
9.3.2 The Minimum Number of Piles
177(1)
9.3.3 Using Structural Slab in Combination with Deep Foundations
178(3)
9.3.4 Resisting Uplift with Piles
181(1)
9.3.5 Resisting Lateral Column Reactions with Piles
181(2)
References
183(2)
10 Anchors in Metal Building Systems
185(50)
10.1 General Issues
185(1)
10.1.1 Terminology and Purpose
185(1)
10.1.2 The Minimum Number of Anchor Bolts
186(1)
10.2 Anchor Bolts: Construction and Installation
186(7)
10.2.1 Typical Construction
186(1)
10.2.2 Field Installation
187(1)
10.2.3 Placement Tolerances vs. Oversized Holes in Column Base Plates
188(2)
10.2.4 Using Anchor Bolts for Column Leveling
190(1)
10.2.5 Should Anchor Bolts Be Used to Transfer Horizontal Column Reactions?
191(2)
10.3 Design of Anchor Bolts: General Provisions
193(5)
10.3.1 Provisions of the International Building Code
193(3)
10.3.2 ACI318-08 Appendix D
196(2)
10.4 Design of Anchor Bolts for Tension per ACI 318-08 Appendix D
198(16)
10.4.1 Tensile Strength of Anchor Bolt vs. Tensile Strength of Concrete for a Single Anchor
198(1)
10.4.2 Tensile Strength of an Anchor Group
198(2)
10.4.3 Tensile Strength of Steel Anchors
200(1)
10.4.4 Pullout Strength of Anchor in Tension
201(1)
10.4.5 Concrete Side-Face Blowout Strength of Headed Anchors in Tension
202(1)
10.4.6 Concrete Breakout Strength of Anchors in Tension
202(5)
10.4.7 Using Anchor Reinforcement for Tension
207(7)
10.5 Design of Anchors for Shear per ACI 318-08 Appendix D
214(21)
10.5.1 Introduction
214(1)
10.5.2 Steel Strength of Anchors in Shear
215(1)
10.5.3 Concrete Breakout Strength in Shear: General
216(4)
10.5.4 Basic Concrete Breakout Strength in Shear Vb
220(1)
10.5.5 Concrete Breakout Strength in Shear for Anchors Close to Edge on Three or More Sides
221(1)
10.5.6 Concrete Breakout Strength in Shear: Modification Factors
222(2)
10.5.7 Using Anchor Reinforcement for Concrete Breakout Strength in Shear
224(3)
10.5.8 Using a Combination of Edge Reinforcement and Anchor Reinforcement for Concrete Breakout Strength in Shear
227(1)
10.5.9 Concrete Pryout Strength in Shear
227(1)
10.5.10 Combined Tension and Shear
228(1)
10.5.11 Minimum Edge Distances and Spacing of Anchors
228(5)
10.5.12 Concluding Remarks
233(1)
References
234(1)
11 Concrete Embedments in Metal Building Systems
235(28)
11.1 The Role of Concrete Embedments
235(2)
11.1.1 Prior Practices vs. Today's Code Requirements
235(1)
11.1.2 Two Options for Resisting High Horizontal Column Reactions
235(1)
11.1.3 Transfer of Uplift Forces to Foundations: No Alternative to Anchor Bolts?
236(1)
11.2 Using Anchor Bolts to Transfer Horizontal Column Reactions to Foundations
237(5)
11.2.1 Some Problems with Shear Resistance of Anchor Bolts
237(1)
11.2.2 Possible Solutions to Enable Resistance of Anchor Bolts to Horizontal Forces
238(2)
11.2.3 Design of Anchor Bolts for Bending
240(2)
11.3 Concrete Embedments for the Transfer of Horizontal Column Reactions to Foundations: An Overview
242(1)
11.4 Shear Lugs and the Newman Lug
243(11)
11.4.1 Construction of Shear Lugs
243(2)
11.4.2 Minimum Anchor Bolt Spacing and Column Sizes Used with Shear Lugs
245(2)
11.4.3 Design of Shear Lugs: General Procedure
247(2)
11.4.4 Determination of Bearing Strength
249(1)
11.4.5 Determination of Concrete Shear Strength
249(1)
11.4.6 The Newman Lug
250(4)
11.5 Recessed Column Base
254(3)
11.5.1 Construction
254(1)
11.5.2 Design
255(2)
11.6 Other Embedments
257(6)
11.6.1 Cap Plate
257(3)
11.6.2 Embedded Plate with Welded-On Studs
260(1)
References
261(2)
A Frame Reaction Tables 263(30)
Index 293
Alexander Newman, P.E., is principal structural engineer with Maguire Group, Inc., a national architectural, engineering and planning firm, in Foxborough, Massachusetts. With two decades of engineering and management experience, he has worked as project engineer with a consulting engineering firm, design engineer with a light-gage framing panel manufacturer, and manager of fabrication for a steel fabricator. He has planned and supervised structural renovation of numerous buildings throughout the country, including a Boston Edison switching and conversion station that won the 1990 American Consulting Engineering Council of New England Award for Engineering Excellence. Mr. Newman holds an advanced degree in structural engineering from the Moscow Civil Engineering Institute in Russia, and a masters degree in business administration with high honors from Boston University. He is the author of the Bestselling Metal Building Systems, also from McGraw-Hill, and a number of award-winning articles that have appeared in leading engineering publications. Additionally, he conducts continuing-education seminars on metal building systems for design professionals sponsored by the American Society of Civil Engineers and other organizations, and teaches at Northeastern University.