Wind Hazard Risk Assessment and Management for Structures

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CONTENTS viii 3.7 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 3.7.1 Baseline structure B under 150-mph wind . . . . . . . . . . . . . . . . . 54 3.7.2 Roof Damage over 50–250 mph Wind Speed Range . . . . . . . . . . . . 59 3.8 Discussion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 3.9 Closing Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 Chapter 4: Integrated Multi-Structural Vulnerability Model 69 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 4.2 Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.2.1 Wind Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.2.2 Structural Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.2.3 Component-Based Pressure Damage Model . . . . . . . . . . . . . . . . 75 4.2.4 Windborne Debris Model . . . . . . . . . . . . . . . . . . . . . . . . . 77 4.2.5 Integrated Structural Damage Estimation . . . . . . . . . . . . . . . . . 79 4.2.6 Approximate Economic Model . . . . . . . . . . . . . . . . . . . . . . . 81 4.3 Numerical Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 4.3.1 A Hip-roof Concrete Residential Structure in Isolation . . . . . . . . . . . 83 4.3.2 Hypothetical Residential Community . . . . . . . . . . . . . . . . . . . 83 4.3.3 Two Neighboring Houses . . . . . . . . . . . . . . . . . . . . . . . . . . 88 4.3.4 Sarasota, Florida . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 4.4 Closing Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 Chapter 5: Long-Term Risk Assessment and Management 94 5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 5.2 Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
CONTENTS ix 5.3 Hazard model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 5.3.1 Wind Speed Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . 96 5.3.2 Compound Poisson Process . . . . . . . . . . . . . . . . . . . . . . . . 98 5.4 Single-Limit-State Vulnerability Model . . . . . . . . . . . . . . . . . . . . . 102 5.4.1 Model Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 5.4.2 Life-cycle Cost Results . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 5.4.3 Life-cycle-cost-related Decisions . . . . . . . . . . . . . . . . . . . . . . 109 5.5 Modified Florida Public Hurricane Loss Projection (FPHLP) Model . . . . 113 5.5.1 Model Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 5.5.2 Expected Repair Cost over the Contiguous United States . . . . . . . . . 116 5.5.3 Expected Repair Cost for Different Structures . . . . . . . . . . . . . . . 118 5.6 Closing Remarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Chapter 6: Conclusions and Future Work 123 6.1 Summary and Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 6.2 Future Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 6.2.1 Structural Components . . . . . . . . . . . . . . . . . . . . . . . . . . 125 6.2.2 Low-Rise Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 6.2.3 Multi-Structural Communities . . . . . . . . . . . . . . . . . . . . . . . 127 6.2.4 Low-Term Risk Assessment . . . . . . . . . . . . . . . . . . . . . . . . 128 Bibliography 129
Page 1 and 2: Wind Hazard Risk Assessment and Man
Page 3 and 4: Abstract Rising hurricane damages o
Page 5 and 6: me, has given me countless fun time
Page 7: CONTENTS vii 2.2.4 Mean Boundary La
Page 11 and 12: LIST OF FIGURES xi 3.4 Distribution
Page 13 and 14: LIST OF FIGURES xiii 5.12 Examples
Page 15 and 16: 1.1 Overview Chapter 1 Introduction
Page 17 and 18: Chapter 1. Introduction 3 fessions
Page 19 and 20: Chapter 1. Introduction 5 Table 1.3
Page 21 and 22: Chapter 1. Introduction 7 Between 7
Page 23 and 24: 1.2.4 Recent Developments Chapter 1
Page 25 and 26: Chapter 1. Introduction 11 of low-r
Page 27 and 28: Chapter 2 Structural Components and
Page 29 and 30: Chapter 2. Structural Components an
Page 31 and 32: (deg) V (m/s) 60 40 20 0 180 90 0 9
Page 49 and 50: NEGATIVE WALL PRESSURE (COV = 0.509
Page 55 and 56: Chapter 3. Internal Pressure in Low
Page 57 and 58: Chapter 3. Internal Pressure in Low
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Chapter 3. Internal Pressure in Low
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design guidelines. Chapter 3. Inter
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3.4.3 Eurocode Chapter 3. Internal
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Wind Speed & Wind Direction Chapter
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(a) STEP 1 STEP 2 STEP 3 (b) STEP 1
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Mean Loss Ratio WITHOUT WINDBORNE D
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Maximum Percentage Increase in Mean
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3.8 Discussion Chapter 3. Internal
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Chapter 4 Integrated Multi-Structur
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Chapter 4. Integrated Multi-Structu
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LEGEND Roof sheathing onnection ind
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DAMAGE ANALYIS USING MAXIMUM WIND V
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Chapter 5. Long-Term Risk Assessmen
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(a) Change in Mean Frequency / Year
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(a) Change in Mean Frequency / Year
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simulated. Chapter 5. Long-Term Ris
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Percentage Change in Mean Frequency
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Expected Total Structural Damage Co
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Structural Damage Ratio 1 0.9 0.8 0
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Chapter 6 Conclusions and Future Wo
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Chapter 6. Conclusions and Future W
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Chapter 6. Conclusions and Future W
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Bibliography American Meteorologica
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BIBLIOGRAPHY 131 Federal Emergency
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BIBLIOGRAPHY 133 over the gulf of S
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BIBLIOGRAPHY 135 Lin, N., Vanmarcke
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BIBLIOGRAPHY 137 Rosowsky, D. and C
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BIBLIOGRAPHY 139 Vanmarcke, E., Lin
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Wind Hazard Risk Assessment and Management for Structures

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