| Preface |
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xiii | |
| Introduction |
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xv | |
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1 Introduction to Wind Forces and Wind Effects on Buildings and Structures |
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1 | (16) |
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1.1 Nature and Causes of Wind |
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1 | (1) |
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1.2 General Overview of Building Design for Wind |
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1 | (1) |
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1.3 Wind Pressure Distribution on Building Surfaces |
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2 | (1) |
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1.4 Wind Pressure Distribution on Pitched Roofs |
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3 | (1) |
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4 | (1) |
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1.6 Factors Impacting Wind Effects |
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5 | (1) |
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1.7 Air Flow around Buildings---Bernoulli Effect |
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5 | (1) |
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6 | (1) |
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7 | (1) |
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7 | (1) |
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8 | (1) |
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8 | (1) |
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1.13 Surface Roughness Categories in Earlier Building Codes and Standards |
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9 | (2) |
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1.14 Surface Roughness and Exposure Categories of Recent Codes and Standards |
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11 | (1) |
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11 | (1) |
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1.16 Types of Building Failures due to Wind and Lateral Loads |
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12 | (2) |
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1.17 Structural Dynamics---Flexible and Rigid Structures |
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14 | (1) |
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15 | (1) |
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1.19 Vortex-Induced Oscillations, Flutter, and Galloping |
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15 | (1) |
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15 | (2) |
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2 Overview of the Wind Load Provisions of the ASCE 7-16 Standard |
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17 | (6) |
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2.1 Building Risk Categories |
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17 | (1) |
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2.2 Introduction to the ASCE/SEI 7 Standard |
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17 | (2) |
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2.3 Overview of Wind Design Procedures of the ASCE 7 Standard |
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19 | (1) |
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2.4 Open, Partially Enclosed, and Enclosed Buildings |
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19 | (1) |
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20 | (1) |
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2.6 Flexible and Rigid Buildings and Structures |
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20 | (1) |
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2.7 Diaphragms and Simple-Diaphragm Buildings |
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20 | (1) |
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2.8 Wind Hazard Maps of the ASCE 7-16 |
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20 | (1) |
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21 | (1) |
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21 | (2) |
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3 Extreme Wind Events, Hurricanes, and Tornadoes |
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23 | (6) |
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3.1 Overview of Hurricanes |
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23 | (1) |
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3.2 Regions of Occurrence of Hurricanes |
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23 | (1) |
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3.3 Classification of Hurricanes |
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24 | (1) |
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3.4 Overview of Tornadoes |
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24 | (2) |
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3.5 Classification of Tornadoes |
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26 | (1) |
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3.6 General Impacts on Buildings and Structures |
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27 | (1) |
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27 | (2) |
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4 Damage to Structures Caused by Extreme Wind Events |
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29 | (22) |
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4.1 Introduction to Post-Disaster Investigations |
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29 | (1) |
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4.2 Flood-Related Damage---The National Flood Insurance Program (NFIP) |
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29 | (1) |
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4.3 Post-Disaster Investigations of Hurricane Andrew |
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30 | (4) |
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4.4 Post-Disaster Investigations of Hurricane Katrina |
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34 | (6) |
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4.5 Post-Disaster Investigations of Tornadoes---Safe Room Performance |
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40 | (4) |
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4.6 Brief Summary of Typical Wind Damage in Buildings |
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44 | (1) |
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4.7 Hurricanes of 2017 in the United States and the Caribbean |
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45 | (1) |
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4.8 Safety Evaluation of Buildings after Windstorm Events and Floods |
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46 | (3) |
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4.8.1 Field Manuals of the Applied Technology Council (ATC) |
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46 | (2) |
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4.8.2 Safety Assessment Program (SAP) of the California Governor's Office for Emergency Services |
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48 | (1) |
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4.9 Conclusion about Post-Disaster Investigations and Assessments |
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49 | (1) |
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50 | (1) |
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5 Overview of Wind Engineering Activities and Research Trends |
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51 | (10) |
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5.1 Coordination of Wind Engineering Activities |
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51 | (1) |
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5.2 General Research Methodologies |
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52 | (1) |
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5.3 Overview of Wind Engineering Research |
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52 | (9) |
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5.3.1 Cyberinfrastructure Facility---DesignSafe-Ci |
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58 | (1) |
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5.3.2 Network Coordination Office (NCO) |
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58 | (1) |
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5.3.3 Experimental Facilities |
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58 | (1) |
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5.3.4 Computational Modeling and Simulation Center (SimCenter) |
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58 | (3) |
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6 Overview of Structural Systems for Lateral Loads |
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61 | (26) |
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6.1 Overview of Lateral Load Resisting Systems in Buildings |
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61 | (4) |
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6.1.1 Bending or Flexure (Moment-Resisting Frames) |
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61 | (1) |
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6.1.2 Shear (Shear Walls) |
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62 | (1) |
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6.1.3 Axial Tension and Compression (Braced Frames) |
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63 | (2) |
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6.2 Overview of the General Building Design Procedure for Lateral Loads |
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65 | (1) |
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6.2.1 Bearing Wall System |
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65 | (1) |
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6.2.2 Building Frame System |
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65 | (1) |
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6.2.3 Moment-Resisting Frame System |
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65 | (1) |
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65 | (1) |
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66 | (1) |
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67 | (1) |
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6.5 Collectors or Drag Struts |
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68 | (3) |
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71 | (1) |
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6.7 Building Irregularities |
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71 | (1) |
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72 | (7) |
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6.9 General Recommendations for Improved Design and Construction |
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79 | (7) |
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80 | (2) |
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6.9.2 Framing System and Connections |
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82 | (4) |
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86 | (1) |
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87 | (30) |
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7.1 Introduction to Wind Effects on Tall Buildings |
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87 | (1) |
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88 | (2) |
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7.2.1 Tuned Mass Damper (TMD) |
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88 | (1) |
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7.2.2 Tuned Liquid Column Damper (TLCD) |
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89 | (1) |
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7.2.3 Passive Viscoelastic Damper |
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90 | (1) |
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7.2.4 Active Mass Dampers (AMDs) |
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90 | (1) |
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7.2.5 Tuned Sloshing Water Dampers (TSWDs) |
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90 | (1) |
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7.3 Brief Structural History of the Skyscraper |
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90 | (4) |
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7.4 Modern Structural Wind Resisting Systems in Tall Buildings |
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94 | (1) |
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7.5 Steel Wind Resisting Systems in Tall Buildings |
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95 | (13) |
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7.5.1 Rigid Tube, Braced Tube, and Bundled Tube Systems |
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95 | (9) |
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7.5.2 Rigid Frames and Frames with Semi-Rigid Connections |
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104 | (1) |
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104 | (1) |
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7.5.4 Staggered Truss System |
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105 | (1) |
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7.5.5 Outrigger and Belt Truss Systems |
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106 | (2) |
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7.6 Concrete Wind Resisting Systems in Tall Buildings |
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108 | (5) |
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7.7 Composite Steel Wind Resisting Systems in Tall Buildings |
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113 | (3) |
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116 | (1) |
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8 Wind Design Procedures---Wind Load Parameters |
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117 | (8) |
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8.1 Introduction to the Wind Design Procedures of the ASCE 7-16 Standard |
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117 | (1) |
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118 | (3) |
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8.2.1 Wind Directionality Factor (Kd) |
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118 | (1) |
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8.2.2 Surface Roughness Categories and Exposure Categories |
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118 | (1) |
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8.2.3 Topographic Factor (Kzt) |
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119 | (1) |
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8.2.4 Ground Elevation Factor (Ke) |
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119 | (1) |
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8.2.5 Gust-Effect Factor (G or Gf) |
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120 | (1) |
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8.2.6 Enclosure Classification |
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120 | (1) |
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8.2.7 Internal Pressure Coefficient (GCpi) |
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121 | (1) |
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121 | (1) |
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8.3.1 Velocity Pressure Exposure Coefficients (Kz and Kh) |
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122 | (1) |
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8.4 External Pressure Coefficients (Cp and CN) |
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122 | (1) |
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8.5 Main Wind Force Resisting System and Components and Cladding---Collectors |
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122 | (2) |
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124 | (1) |
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9 Wind Loads on the Main Wind Force Resisting System (Directional Procedure) |
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125 | (50) |
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9.1 Introduction---Main Wind Force Resisting System (MWFRS) |
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125 | (1) |
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9.2 Part 1---Buildings of All Heights |
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126 | (19) |
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9.2.1 Wind Pressure on Building Surfaces---Enclosed and Partially Enclosed Buildings |
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127 | (1) |
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9.2.2 Wind Pressure on Building Surfaces---Open Buildings |
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127 | (1) |
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9.2.3 Wind Pressure on Building Surfaces---Overhangs and Parapets |
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128 | (1) |
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128 | (1) |
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9.2.5 Application Problems |
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129 | (16) |
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9.3 Part 2---Enclosed Simple-Diaphragm Buildings with h ≤ 160 ft (48.8 m) |
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145 | (6) |
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145 | (1) |
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145 | (1) |
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146 | (1) |
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9.3.4 Parapets and Overhangs |
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147 | (1) |
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9.3.5 Application Problem |
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148 | (3) |
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151 | (24) |
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10 Wind Loads on the Main Wind Force Resisting System (Envelope Procedure) |
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175 | (14) |
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175 | (1) |
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10.2 Part 1---Enclosed, Partially Enclosed, or Open Low-Rise Buildings |
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175 | (6) |
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175 | (2) |
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10.2.2 Parapets and Overhangs |
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177 | (1) |
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10.2.3 Minimum Wind Loads |
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177 | (1) |
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10.2.4 Application Example |
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177 | (4) |
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10.3 Part 2---Enclosed Simple-Diaphragm Low-Rise Buildings |
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181 | (8) |
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10.3.1 Introduction and General Requirements |
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181 | (2) |
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183 | (1) |
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10.3.3 Application Example |
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184 | (5) |
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11 Wind Loads on Building Appurtenances and Other Structures |
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189 | (16) |
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189 | (1) |
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11.2 General Procedure for Rooftop Equipment and Other Structures |
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189 | (16) |
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11.2.1 Solid Freestanding Walls and Signs |
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190 | (4) |
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194 | (11) |
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12 Wind Loads on Components and Cladding |
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205 | (22) |
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205 | (1) |
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206 | (1) |
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12.3 General Procedure for Enclosed and Partially Enclosed Low-Rise Buildings or Buildings with a Height (h) Not Exceeding 60 ft (18.3 m) |
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207 | (13) |
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12.3.1 Application Problem |
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207 | (13) |
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12.4 Simplified Procedure for Enclosed and Partially Enclosed Low-Rise Buildings or Buildings with a Height (h) Not Exceeding 60 ft (18.3 m) |
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220 | (5) |
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12.4.1 Application Problem |
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221 | (4) |
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12.5 Procedure for Enclosed and Partially Enclosed Buildings with a Height (ft) of More Than 60 ft (18.3 m) |
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225 | (1) |
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12.6 Simplified Procedure for Enclosed Buildings with a Height (h) of More Than 60 ft (18.3 m) But Not Exceeding 160 ft (48.8 m) |
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226 | (1) |
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13 Wind Tunnels---Introduction to the Wind Tunnel Procedure |
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227 | (4) |
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13.1 Overview of Wind Tunnels |
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227 | (1) |
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13.2 Measurement of Wind Loads on Structures in Wind Tunnels |
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228 | (1) |
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13.3 Conditions of the Wind Tunnel Procedure |
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228 | (1) |
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229 | (1) |
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13.5 ASCE/SEI49-12 Standard |
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229 | (1) |
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230 | (1) |
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230 | (1) |
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14 Introduction to Database-Assisted Design |
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231 | (4) |
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14.1 Definition of Database-Assisted Design |
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231 | (1) |
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14.2 History and Benefits of Database-Assisted Design |
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231 | (2) |
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14.3 Examples of Aerodynamic Databases |
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233 | (1) |
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233 | (2) |
| Index |
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235 | |