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- ISBN: 9781260128673 | 1260128679
- Cover: Hardcover
- Copyright: 9/20/2019

Preface

Nomenclature

1 Wood Buildings and Design Criteria

1.1 Introduction

1.2 Types of Buildings

1.3 Required and Recommended References

1.4 Building Codes and Design Criteria

1.5 ASD and LRFD

1.6 Organization of the Text

1.7 Structural Calculations

1.8 Detailing Conventions

1.9 Fire-Resistive Requirements

1.10 Industry Organizations

1.11 References

2 Design Loads

2.1 Introduction

2.2 Dead Loads

2.3 Live Loads

Floor Live Loads

Roof Live Loads

Special Live Loads

2.4 Snow Loads

2.5 Soil Loads and Hydrostatic Pressure

2.6 Loads Due to Fluids

2.7 Rain Loads

2.8 Flood Loads

2.9 Tsunami Loads

2.10 Self-Straining Loads

2.11 Wind Loads—Introduction

2.12 Wind Forces—Main Wind Force Resisting System

2.13 Wind Forces—Components and Cladding

2.14 Seismic Forces—Introduction

2.15 Seismic Forces

Redundancy Factor

Base Shear Calculation

Design Spectral Response Accelerations SDS and SD1

Importance Factor, Ie

Seismic Design Category

Response Modification Factor, R

2.16 Seismic Forces—Primary System

2.17 Seismic Forces—Components

2.18 Load Combinations

Summary of Load Types

ASD Load Combinations

LRFD Load Combinations

Determining Applicable Loads

Simultaneous Occurrence of Loads

Load Duration Factor, Time Effect Factor, and Allowable Stress Increases

Load Levels

2.19 Serviceability/Deflection Criteria

2.20 References

2.21 Problems

3 Behavior of Structures under Loads and Forces

3.1 Introduction

3.2 Structures Subject to Vertical Loads

3.3 Structures Subject to Lateral Forces

3.4 Lateral Forces in Buildings with Diaphragms and Shearwalls

3.5 Design Problem: Lateral Forces on One-Story Building

3.6 Design Problem: Lateral Forces on Two-Story Building

3.7 References

3.8 Problems

4 Properties of Wood and Lumber Grades

4.1 Introduction

4.2 Design Specification

NDS

NDS Supplement

Special Design Provisions for Wind and Seismic

Design Manual

Code Adoption

4.3 Methods of Grading Structural Lumber

4.4 Derivation of Design Values

4.5 Species and Species Groups

4.6 Cellular Makeup

4.7 Moisture Content and Shrinkage

4.8 Effect of Moisture Content on Lumber Sizes

4.9 Durability of Wood and the Need for Preservative Treatment

4.10 Growth Characteristics of Wood

4.11 Sizes of Structural Lumber

4.12 Size Categories and Commercial Grades

4.13 General Notation

4.14 Wet Service Factor CM

4.15 Load Duration Factor CD (ASD Only)

4.16 Time Effect Factor ? (LRFD Only)

4.17 Size Factor CF

4.18 Repetitive Member Factor Cr

4.19 Flat Use Factor Cfu

4.20 Temperature Factor Ct

4.21 Incising Factor Ci

4.22 Resistance Factor ? (LRFD Only)

4.23 Format Conversion Factor KF (LRFD Only)

4.24 Design Problem: Adjusted Design Values

4.25 References

4.26 Problems

5 Structural Glued Laminated Timber

5.1 Introduction

5.2 Sizes of Glulam Members

5.3 Resawn Glulam

5.4 Fabrication of Glulams

5.5 Grades of Glulam Members

5.6 Appearance Classification

5.7 Adjustment Factors for Glulam

Wet Service Factor (CM)

Load Duration Factor (CD)—ASD Only

Time Effect Factor (?)—LRFD Only

Temperature Factor (Ct)

Flat-Use Factor (Cfu)

Volume Factor (Cv)

Shear Reduction Factor (Cvr)

Resistance Factor (?)—LRFD Only

Format Conversion Factor (KF)—LRFD Only

5.8 Design Problem: Adjusted Design Values

5.9 References

5.10 Problems

6 Beam Design

6.1 Introduction

6.2 Bending

6.3 Lateral Stability

6.4 Adjusted Bending Design Value Summary

6.5 Shear

6.6 Deflection

6.7 Design Summary

6.8 Bearing at Supports

6.9 Design Problem: Sawn Beam

6.10 Design Problem: Rough-Sawn Beam Using ASD

6.11 Design Problem: Notched Beam

6.12 Design Problem: Sawn-Beam Analysis

6.13 Design Problem: Glulam Beam with Full Lateral Support

6.14 Design Problem: Glulam Beam with Lateral Support at 8 ft-0 in.

6.15 Design Problem: Glulam Beam with Lateral Support at 48 ft-0 in.

6.16 Design Problem: Glulam with Compression Zone Stressed in Tension

6.17 Cantilever Beam Systems

6.18 Lumber Roof and Floor Decking

6.19 Fabricated Wood Components

6.20 References

6.21 Problems

7 Axial Forces and Combined Bending and Axial Forces

7.1 Introduction

7.2 Axial Tension Members

7.3 Design Problem: Tension Member

7.4 Columns

7.5 Detailed Analysis of Slenderness Ratio

7.6 Design Problem: Axially Loaded Column

7.7 Design Problem: Capacity of a Glulam Column

7.8 Design Problem: Capacity of a Bearing Wall

7.9 Built-Up Columns

7.10 Combined Bending and Tension

Combined Axial Tension and Bending Tension

Net Compressive Stress

7.11 Design Problem: Combined Bending and Tension

7.12 Combined Bending and Compression

7.13 Design Problem: Beam-Column

7.14 Design Problem: Beam-Column Action in a Stud Wall Using LRFD

7.15 Design Problem: Glulam Beam-Column Using ASD

7.16 Design for Minimum Eccentricity

7.17 Design Problem: Column with Eccentric Load Using ASD

7.18 References

7.19 Problems

8 Wood Structural Panels

8.1 Introduction

8.2 Panel Dimensions and Installation Recommendations

8.3 Plywood Makeup

8.4 OSB Makeup

8.5 Species Groups for Plywood

8.6 Veneer Grades

8.7 Exposure Durability Classifications

8.8 Panel Grades

8.9 Wood Structural Panel Siding

8.10 Roof Sheathing

8.11 Design Problem: Roof Sheathing

8.12 Floor Sheathing

8.13 Design Problem: Floor Sheathing

8.14 Wall Sheathing and Siding

8.15 Stress Calculations for Wood Structural Panels

8.16 References

8.17 Problems

9 Diaphragms

9.1 Introduction

9.2 Basic Diaphragm Action

9.3 Shear Resistance

9.4 Diaphragm Chords

9.5 Design Problem: Roof Diaphragm

9.6 Distribution of Lateral Forces in a Shearwall

9.7 Collector (Strut) Forces

9.8 Diaphragm Deflections

9.9 Diaphragms with Interior Shearwalls

9.10 Interior Shearwalls with Collectors

9.11 Diaphragm Flexibility

9.12 References

9.13 Problems

10 Shearwalls

10.1 Introduction

10.2 Basic Shearwall Action

10.3 Shearwalls Using Wood Structural Panels

10.4 Other Sheathing Materials

10.5 Shearwall Chord Members

10.6 Design Problem: Shearwall

10.7 Alternate Shearwall Design Methods

10.8 Anchorage Considerations

10.9 Vertical (Gravity) Loads

10.10 Lateral Forces Parallel to a Wall

10.11 Shearwall Deflection

10.12 Lateral Forces Perpendicular to a Wall

10.13 References

10.14 Problems

11 Wood Connections—Background

11.1 Introduction

11.2 Types of Fasteners and Connections

11.3 Yield Model for Laterally Loaded Fasteners

11.4 Factors Affecting Strength in Yield Model

11.5 Dowel Bearing Strength

11.6 Plastic Hinge in Fastener

11.7 Yield Limit Mechanisms

11.8 References

11.9 Problems

12 Nailed and Stapled Connections

12.1 Introduction

12.2 Types of Nails

12.3 Power-Driven Nails and Staples

12.4 Yield Limit Equations for Nails

12.5 Applications of Yield Limit Equations

12.6 Adjustment Factors for Laterally Loaded Nails

12.7 Design Problem: Nail Connection for Knee Brace

12.8 Design Problem: Top Plate Splice

12.9 Design Problem: Shearwall Chord Tie

12.10 Design Problem: Laterally Loaded Toenail

12.11 Design Problem: Laterally Loaded Connection in End Grain

12.12 Nail Withdrawal Connections

12.13 Combined Lateral and Withdrawal Loads

12.14 Spacing Requirements

12.15 Nailing Schedule

12.16 References

12.17 Problems

13 Bolts, Lag Bolts, and Other Connectors

13.1 Introduction

13.2 Bolt Connections

13.3 Bolt Yield Limit Equations for Single Shear

13.4 Bolt Yield Limit Equations for Double Shear

13.5 Adjustment Factors for Bolts

13.6 Tension and Shear Stresses at a Multiple Fastener Connection

13.7 Design Problem: Multiple-Bolt Tension Connection

13.8 Design Problem: Bolted Chord Splice for Diaphragm

13.9 Shear Stresses in a Beam at a Connection

13.10 Design Problem: Bolt Connection for Diagonal Brace

13.11 Lag Bolt Connections

13.12 Yield Limit Equations for Lag Bolts

13.13 Adjustment Factors for Lag Bolts in Shear Connections

13.14 Design Problem: Collector (Strut) Splice with Lag Bolts

13.15 Lag Bolts in Withdrawal

13.16 Combined Lateral and Withdrawal Loads

13.17 Split Ring and Shear Plate Connectors

13.18 Developments in Lag Screw Technology

13.19 References

13.20 Problems

14 Connection Details and Hardware

14.1 Introduction

14.2 Connection Details

14.3 Design Problem: Beam-to-Column Connection

14.4 Cantilever Beam Hinge Connection

14.5 Prefabricated Connection Hardware

14.6 References

15 Diaphragm-to-Shearwall Anchorage

15.1 Introduction

15.2 Anchorage Summary

15.3 Connection Details—Diaphragm to Wood-Frame Wall

15.4 Connection Details—Diaphragm to Concrete or Masonry Walls

15.5 Subdiaphragm Anchorage of Concrete and Masonry Walls

15.6 Design Problem: Subdiaphragm

15.7 References

16 Advanced Topics in Lateral Force Design

16.1 Introduction

16.2 Seismic Forces—Regular Structures

16.3 Seismic Forces—Irregular Structures

16.4 Overturning—Background

16.5 Overturning—Review

16.6 Overturning—Wind

16.7 Overturning—Seismic

16.8 Lateral Analysis of Nonrectangular Buildings

16.9 Rigid Diaphragm Analysis

16.10 Additional Topics in Diaphragm Design

16.11 References

A Equivalent Uniform Weights of Wood Framing

B Weights of Building Materials

C Sl Units

Introduction

Notation

Prefixes

Conversion Factors

Area

Bending Moment or Torque

Lengths or Displacements

Loads

Moment of Inertia

Section Modulus or Volume

Stress and Modulus of Elasticity

Unit Weight, Density

Index

Nomenclature

1 Wood Buildings and Design Criteria

1.1 Introduction

1.2 Types of Buildings

1.3 Required and Recommended References

1.4 Building Codes and Design Criteria

1.5 ASD and LRFD

1.6 Organization of the Text

1.7 Structural Calculations

1.8 Detailing Conventions

1.9 Fire-Resistive Requirements

1.10 Industry Organizations

1.11 References

2 Design Loads

2.1 Introduction

2.2 Dead Loads

2.3 Live Loads

Floor Live Loads

Roof Live Loads

Special Live Loads

2.4 Snow Loads

2.5 Soil Loads and Hydrostatic Pressure

2.6 Loads Due to Fluids

2.7 Rain Loads

2.8 Flood Loads

2.9 Tsunami Loads

2.10 Self-Straining Loads

2.11 Wind Loads—Introduction

2.12 Wind Forces—Main Wind Force Resisting System

2.13 Wind Forces—Components and Cladding

2.14 Seismic Forces—Introduction

2.15 Seismic Forces

Redundancy Factor

Base Shear Calculation

Design Spectral Response Accelerations SDS and SD1

Importance Factor, Ie

Seismic Design Category

Response Modification Factor, R

2.16 Seismic Forces—Primary System

2.17 Seismic Forces—Components

2.18 Load Combinations

Summary of Load Types

ASD Load Combinations

LRFD Load Combinations

Determining Applicable Loads

Simultaneous Occurrence of Loads

Load Duration Factor, Time Effect Factor, and Allowable Stress Increases

Load Levels

2.19 Serviceability/Deflection Criteria

2.20 References

2.21 Problems

3 Behavior of Structures under Loads and Forces

3.1 Introduction

3.2 Structures Subject to Vertical Loads

3.3 Structures Subject to Lateral Forces

3.4 Lateral Forces in Buildings with Diaphragms and Shearwalls

3.5 Design Problem: Lateral Forces on One-Story Building

3.6 Design Problem: Lateral Forces on Two-Story Building

3.7 References

3.8 Problems

4 Properties of Wood and Lumber Grades

4.1 Introduction

4.2 Design Specification

NDS

NDS Supplement

Special Design Provisions for Wind and Seismic

Design Manual

Code Adoption

4.3 Methods of Grading Structural Lumber

4.4 Derivation of Design Values

4.5 Species and Species Groups

4.6 Cellular Makeup

4.7 Moisture Content and Shrinkage

4.8 Effect of Moisture Content on Lumber Sizes

4.9 Durability of Wood and the Need for Preservative Treatment

4.10 Growth Characteristics of Wood

4.11 Sizes of Structural Lumber

4.12 Size Categories and Commercial Grades

4.13 General Notation

4.14 Wet Service Factor CM

4.15 Load Duration Factor CD (ASD Only)

4.16 Time Effect Factor ? (LRFD Only)

4.17 Size Factor CF

4.18 Repetitive Member Factor Cr

4.19 Flat Use Factor Cfu

4.20 Temperature Factor Ct

4.21 Incising Factor Ci

4.22 Resistance Factor ? (LRFD Only)

4.23 Format Conversion Factor KF (LRFD Only)

4.24 Design Problem: Adjusted Design Values

4.25 References

4.26 Problems

5 Structural Glued Laminated Timber

5.1 Introduction

5.2 Sizes of Glulam Members

5.3 Resawn Glulam

5.4 Fabrication of Glulams

5.5 Grades of Glulam Members

5.6 Appearance Classification

5.7 Adjustment Factors for Glulam

Wet Service Factor (CM)

Load Duration Factor (CD)—ASD Only

Time Effect Factor (?)—LRFD Only

Temperature Factor (Ct)

Flat-Use Factor (Cfu)

Volume Factor (Cv)

Shear Reduction Factor (Cvr)

Resistance Factor (?)—LRFD Only

Format Conversion Factor (KF)—LRFD Only

5.8 Design Problem: Adjusted Design Values

5.9 References

5.10 Problems

6 Beam Design

6.1 Introduction

6.2 Bending

6.3 Lateral Stability

6.4 Adjusted Bending Design Value Summary

6.5 Shear

6.6 Deflection

6.7 Design Summary

6.8 Bearing at Supports

6.9 Design Problem: Sawn Beam

6.10 Design Problem: Rough-Sawn Beam Using ASD

6.11 Design Problem: Notched Beam

6.12 Design Problem: Sawn-Beam Analysis

6.13 Design Problem: Glulam Beam with Full Lateral Support

6.14 Design Problem: Glulam Beam with Lateral Support at 8 ft-0 in.

6.15 Design Problem: Glulam Beam with Lateral Support at 48 ft-0 in.

6.16 Design Problem: Glulam with Compression Zone Stressed in Tension

6.17 Cantilever Beam Systems

6.18 Lumber Roof and Floor Decking

6.19 Fabricated Wood Components

6.20 References

6.21 Problems

7 Axial Forces and Combined Bending and Axial Forces

7.1 Introduction

7.2 Axial Tension Members

7.3 Design Problem: Tension Member

7.4 Columns

7.5 Detailed Analysis of Slenderness Ratio

7.6 Design Problem: Axially Loaded Column

7.7 Design Problem: Capacity of a Glulam Column

7.8 Design Problem: Capacity of a Bearing Wall

7.9 Built-Up Columns

7.10 Combined Bending and Tension

Combined Axial Tension and Bending Tension

Net Compressive Stress

7.11 Design Problem: Combined Bending and Tension

7.12 Combined Bending and Compression

7.13 Design Problem: Beam-Column

7.14 Design Problem: Beam-Column Action in a Stud Wall Using LRFD

7.15 Design Problem: Glulam Beam-Column Using ASD

7.16 Design for Minimum Eccentricity

7.17 Design Problem: Column with Eccentric Load Using ASD

7.18 References

7.19 Problems

8 Wood Structural Panels

8.1 Introduction

8.2 Panel Dimensions and Installation Recommendations

8.3 Plywood Makeup

8.4 OSB Makeup

8.5 Species Groups for Plywood

8.6 Veneer Grades

8.7 Exposure Durability Classifications

8.8 Panel Grades

8.9 Wood Structural Panel Siding

8.10 Roof Sheathing

8.11 Design Problem: Roof Sheathing

8.12 Floor Sheathing

8.13 Design Problem: Floor Sheathing

8.14 Wall Sheathing and Siding

8.15 Stress Calculations for Wood Structural Panels

8.16 References

8.17 Problems

9 Diaphragms

9.1 Introduction

9.2 Basic Diaphragm Action

9.3 Shear Resistance

9.4 Diaphragm Chords

9.5 Design Problem: Roof Diaphragm

9.6 Distribution of Lateral Forces in a Shearwall

9.7 Collector (Strut) Forces

9.8 Diaphragm Deflections

9.9 Diaphragms with Interior Shearwalls

9.10 Interior Shearwalls with Collectors

9.11 Diaphragm Flexibility

9.12 References

9.13 Problems

10 Shearwalls

10.1 Introduction

10.2 Basic Shearwall Action

10.3 Shearwalls Using Wood Structural Panels

10.4 Other Sheathing Materials

10.5 Shearwall Chord Members

10.6 Design Problem: Shearwall

10.7 Alternate Shearwall Design Methods

10.8 Anchorage Considerations

10.9 Vertical (Gravity) Loads

10.10 Lateral Forces Parallel to a Wall

10.11 Shearwall Deflection

10.12 Lateral Forces Perpendicular to a Wall

10.13 References

10.14 Problems

11 Wood Connections—Background

11.1 Introduction

11.2 Types of Fasteners and Connections

11.3 Yield Model for Laterally Loaded Fasteners

11.4 Factors Affecting Strength in Yield Model

11.5 Dowel Bearing Strength

11.6 Plastic Hinge in Fastener

11.7 Yield Limit Mechanisms

11.8 References

11.9 Problems

12 Nailed and Stapled Connections

12.1 Introduction

12.2 Types of Nails

12.3 Power-Driven Nails and Staples

12.4 Yield Limit Equations for Nails

12.5 Applications of Yield Limit Equations

12.6 Adjustment Factors for Laterally Loaded Nails

12.7 Design Problem: Nail Connection for Knee Brace

12.8 Design Problem: Top Plate Splice

12.9 Design Problem: Shearwall Chord Tie

12.10 Design Problem: Laterally Loaded Toenail

12.11 Design Problem: Laterally Loaded Connection in End Grain

12.12 Nail Withdrawal Connections

12.13 Combined Lateral and Withdrawal Loads

12.14 Spacing Requirements

12.15 Nailing Schedule

12.16 References

12.17 Problems

13 Bolts, Lag Bolts, and Other Connectors

13.1 Introduction

13.2 Bolt Connections

13.3 Bolt Yield Limit Equations for Single Shear

13.4 Bolt Yield Limit Equations for Double Shear

13.5 Adjustment Factors for Bolts

13.6 Tension and Shear Stresses at a Multiple Fastener Connection

13.7 Design Problem: Multiple-Bolt Tension Connection

13.8 Design Problem: Bolted Chord Splice for Diaphragm

13.9 Shear Stresses in a Beam at a Connection

13.10 Design Problem: Bolt Connection for Diagonal Brace

13.11 Lag Bolt Connections

13.12 Yield Limit Equations for Lag Bolts

13.13 Adjustment Factors for Lag Bolts in Shear Connections

13.14 Design Problem: Collector (Strut) Splice with Lag Bolts

13.15 Lag Bolts in Withdrawal

13.16 Combined Lateral and Withdrawal Loads

13.17 Split Ring and Shear Plate Connectors

13.18 Developments in Lag Screw Technology

13.19 References

13.20 Problems

14 Connection Details and Hardware

14.1 Introduction

14.2 Connection Details

14.3 Design Problem: Beam-to-Column Connection

14.4 Cantilever Beam Hinge Connection

14.5 Prefabricated Connection Hardware

14.6 References

15 Diaphragm-to-Shearwall Anchorage

15.1 Introduction

15.2 Anchorage Summary

15.3 Connection Details—Diaphragm to Wood-Frame Wall

15.4 Connection Details—Diaphragm to Concrete or Masonry Walls

15.5 Subdiaphragm Anchorage of Concrete and Masonry Walls

15.6 Design Problem: Subdiaphragm

15.7 References

16 Advanced Topics in Lateral Force Design

16.1 Introduction

16.2 Seismic Forces—Regular Structures

16.3 Seismic Forces—Irregular Structures

16.4 Overturning—Background

16.5 Overturning—Review

16.6 Overturning—Wind

16.7 Overturning—Seismic

16.8 Lateral Analysis of Nonrectangular Buildings

16.9 Rigid Diaphragm Analysis

16.10 Additional Topics in Diaphragm Design

16.11 References

A Equivalent Uniform Weights of Wood Framing

B Weights of Building Materials

C Sl Units

Introduction

Notation

Prefixes

Conversion Factors

Area

Bending Moment or Torque

Lengths or Displacements

Loads

Moment of Inertia

Section Modulus or Volume

Stress and Modulus of Elasticity

Unit Weight, Density

Index