CONTENTS 1 Introduction 1 2 Types of Glass, Properties and Uses 7 2.1 Normal (Annealed) Glass 8 2.2 Laminated Glass 11 2.3 Tempered or Toughened Glass 13 2.4 Heat Strengthened Glass 15 2.5 Heat Soaked Tempered Glass 16 2.6 Reflective Glass 17 2.7 Insulating Glass Unit (Double Glazing) 19 2.8 Mirror 21 3 Selecion of Specific Glass 25 3.1 General 26 3.2 Heat Gain 26 3.3 Sound Insulation 36 3.4 Safety & Security 40 3.5 Strength 49 3.6 Aesthetics 49 3.7 General Information 50 4 Determination of Appropriate Thickness of Glass 57 4.1 General 58 4.2 Standard Nominal Thickness (SNT) 59 4.3 Design Considerations 60 4.4 Determination of Minimum Glass Thickness 61 4.5 Net Design Wind Pressure (Pnet) 64 4.6 Examples to Determine the Appropriate Thickness of Glass Panel for an Office Building in Delhi Region 70 5 Glazing Systems 103 5.1 Curtain Walling 104 5.2 Structural Glazing 104 5.3 Bolted Glazing 105 5.4 Fin Supported Glazing 106 5.5 Cable Stayed Glazing 106 5.6 Suspended Glazing 107 5.7 Mirror Installation 108 5.8 Accessories for Glazing Systems 109 6 General Guidelines 117 6.1 General 118 6.2 Normal (Annealed) Glass 118 6.3 Laminated Glass 119 6.4 Tempered Glass 119 6.5 Reflective Glass 119 6.6 Insulating Glass 121 6.7 Mirror 121 6.8 Aluminium Framings 123 6.9 Safety from Earthquakes 124 Reference Material 125 Definitions 131