| Preface |
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xiii | |
| Author |
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xv | |
| 1 Introduction |
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1 | (8) |
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1 | (1) |
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2 | (1) |
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1.3 Fixed Offshore Platforms |
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2 | (5) |
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1.3.1 Structural Components of a Fixed Offshore Platform |
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3 | (2) |
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4 | (1) |
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5 | (1) |
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5 | (1) |
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1.3.2 Types of Fixed Offshore Platforms |
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5 | (6) |
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1.3.2.1 Template or Jacket Platforms |
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5 | (1) |
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6 | (1) |
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1.3.2.3 Gravity Platforms (Concrete Gravity Structures) |
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6 | (1) |
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1.4 Major Fire Incidents on Offshore Platforms |
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7 | (2) |
| 2 Design Methodology |
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9 | (8) |
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9 | (2) |
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2.2 Data Collection and Conceptual/Preliminary Design |
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11 | (2) |
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2.2.1 Service Requirements |
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12 | (1) |
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13 | (2) |
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15 | (2) |
| 3 Design Requirements |
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17 | (20) |
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17 | (1) |
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3.2 Functional Requirements |
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18 | (2) |
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3.2.1 Drilling and Production Templates |
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18 | (1) |
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19 | (1) |
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3.2.1.2 Location and Orientation |
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19 | (1) |
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3.2.2 Protection Structure |
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19 | (1) |
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20 | (1) |
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20 | (4) |
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21 | (1) |
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3.3.2 Overtrawlable Structures |
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21 | (1) |
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22 | (1) |
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3.3.4 Lateral Impact Protection |
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22 | (1) |
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3.3.5 Dropped-Object Protection |
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23 | (1) |
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3.4 Fabrication and Loadout Considerations |
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24 | (1) |
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24 | (1) |
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25 | (1) |
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3.6 Inspection, Repair and Maintenance |
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25 | (2) |
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25 | (1) |
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3.6.2 Repair and Maintenance |
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26 | (1) |
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27 | (5) |
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27 | (1) |
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28 | (4) |
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3.7.2.1 Concrete Mix Design |
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30 | (1) |
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3.7.2.2 Reinforced Concrete |
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31 | (1) |
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31 | (1) |
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32 | (5) |
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3.8.1 Service Life and Corrosion Protection |
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33 | (1) |
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3.8.2 Cathodic Protection System |
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34 | (3) |
| 4 Structural Analysis |
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37 | (62) |
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4.1 Selection of Member Sizes |
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37 | (7) |
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4.1.1 Selection of Pile Size |
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37 | (2) |
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4.1.2 Selection of Deck Leg Size and Deck Structure Dimensions |
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39 | (2) |
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39 | (1) |
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40 | (1) |
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4.1.2.3 Selection of Deck-Main Member Sizes |
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40 | (1) |
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4.1.3 Selection of Bracing Size |
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41 | (1) |
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42 | (1) |
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4.1.4 Equipment and Living-Quarter Modules |
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42 | (2) |
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4.2 Design Load Conditions |
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44 | (24) |
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44 | (1) |
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44 | (1) |
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44 | (1) |
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44 | (1) |
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44 | (1) |
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4.2.3 Environmental Loads |
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45 | (4) |
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45 | (1) |
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45 | (1) |
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4.2.3.3 Hydrodynamic Loads |
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46 | (1) |
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47 | (1) |
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48 | (1) |
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48 | (1) |
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4.2.3.7 Ice and Snow Loads |
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49 | (1) |
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49 | (15) |
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4.2.4.1 Fire as a Load Condition |
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49 | (2) |
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51 | (13) |
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4.2.5 Transportation Loads |
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64 | (1) |
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64 | (1) |
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4.2.7 Typical Load Conditions |
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64 | (1) |
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65 | (1) |
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65 | (3) |
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4.2.9.1 Load Combination for Accidental Fire Situations |
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67 | (1) |
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4.3 Design of Tubular Members |
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68 | (17) |
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4.3.1 Determination of Component of Stresses |
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69 | (12) |
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69 | (1) |
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4.3.1.2 Axial Compression |
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70 | (2) |
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72 | (1) |
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73 | (1) |
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74 | (1) |
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4.3.1.6 Ring Stiffener Design |
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75 | (2) |
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4.3.1.7 Tubular Members Subjected to Combined Forces without Hydrostatic Pressure |
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77 | (1) |
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4.3.1.8 Tubular Members Subjected to Combined Forces with Hydrostatic Pressure |
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78 | (3) |
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81 | (1) |
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4.3.3 Wall Thickness Modulus |
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82 | (1) |
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4.3.4 Accidental Impact Loads |
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83 | (1) |
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4.3.5 Temporary and Transient Loads |
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83 | (1) |
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4.3.6 Collapse of Members Subjected to Hydrostatic Pressure |
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84 | (1) |
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4.3.7 Conical Transition between Cylindrical Sections |
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84 | (1) |
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4.3.8 Strength of Damaged Cylindrical Members |
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85 | (1) |
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85 | (5) |
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86 | (1) |
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4.4.2 Punching Shear Analysis |
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87 | (3) |
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4.4.2.1 Acting Punching Shear |
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87 | (1) |
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4.4.2.2 Chord Design Factors |
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87 | (1) |
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4.4.2.3 Geometry and Load Factors |
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88 | (1) |
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4.4.2.4 Allowable Punching Shear Stress |
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88 | (1) |
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4.4.2.5 Punching Shear Unity Check |
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89 | (1) |
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4.4.2.6 Combined Axial and Bending Stress Unity Check |
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89 | (1) |
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4.4.2.7 Joint Strength Unity Check |
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90 | (1) |
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4.5 Design of Other Structural Components |
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90 | (7) |
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90 | (1) |
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91 | (1) |
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91 | (1) |
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92 | (4) |
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93 | (2) |
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95 | (1) |
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96 | (1) |
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4.5.6 Pipeline and Umbilical Interfaces |
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96 | (1) |
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4.6 Fire Design of Structural Connections |
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97 | (2) |
| 5 Impact Analysis |
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99 | (8) |
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100 | (1) |
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101 | (1) |
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5.3 Bending and Deflection Check |
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101 | (3) |
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102 | (1) |
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103 | (1) |
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5.3.3 Example of an Impact Analysis of a Tubular Member |
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104 | (1) |
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104 | (3) |
| 6 Lifting Analysis |
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107 | (4) |
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107 | (1) |
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108 | (3) |
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108 | (10) |
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6.2.1.1 Lifting Force Calculation Based on API RP 2A |
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108 | (1) |
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6.2.1.2 Lifting Force Calculation Based on Noble Denton's Requirements |
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109 | (1) |
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6.2.1.3 Lifting Force Calculation Based on Lloyd's Register Requirements |
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110 | (1) |
| 7 Transportation Analysis |
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111 | (6) |
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7.1 Data Required for Analysis |
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111 | (1) |
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7.2 Transportation Analysis of Motion Force |
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111 | (4) |
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115 | (2) |
| 8 Fatigue Analysis |
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117 | (4) |
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118 | (3) |
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8.1.1 Cumulative Fatigue Damage |
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118 | (1) |
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8.1.2 Stress Concentration Factors |
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119 | (1) |
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119 | (2) |
| 9 Dynamic Analysis |
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121 | (4) |
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121 | (3) |
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9.2 Dynamic Amplification Factors |
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124 | (1) |
| 10 Foundation Design |
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125 | (20) |
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10.1 Types of Foundations |
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125 | (1) |
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10.2 Pile Foundation Design |
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126 | (8) |
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10.2.1 Vertically Loaded Piles |
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128 | (3) |
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10.2.1.1 Ultimate Bearing Capacity |
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129 | (1) |
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10.2.1.2 General Theory for End-Bearing Capacity |
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129 | (1) |
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10.2.1.3 Skin Friction and End Bearing in Cohesive Soils |
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130 | (1) |
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10.2.1.4 Shaft Friction and End Bearing in Cohesionless Soils |
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131 | (1) |
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10.2.2 Laterally Loaded Piles |
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131 | (3) |
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10.2.2.1 Load Deflection of P-Y Curves |
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131 | (1) |
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10.2.2.2 Lateral Bearing Capacity for Sand |
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132 | (1) |
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10.2.2.3 Lateral Bearing Capacity for Soft Clay |
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133 | (1) |
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10.2.2.4 Lateral Bearing Capacity for Stiff Clay |
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134 | (1) |
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10.3 Shallow Foundation Design |
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134 | (7) |
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10.3.1 Ultimate Bearing Capacity |
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135 | (2) |
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10.3.1.1 Undrained Bearing Capacity (undrained friction angle = 0) |
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137 | (1) |
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137 | (4) |
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10.3.2.1 Short-Term Deformation |
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138 | (2) |
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10.3.2.2 Long-Term Deformation |
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140 | (1) |
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10.3.3 Applied Bearing Pressure |
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141 | (1) |
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10.4 Gravity-Based Structures |
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141 | (4) |
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10.4.1 Resistance to Sliding |
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141 | (5) |
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142 | (1) |
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10.4.1.2 Penetration of Skirts |
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142 | (1) |
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10.4.1.3 Sliding in Soft Clay |
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143 | (2) |
| 11 Fire Resistance |
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145 | (38) |
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11.1 Empirically Derived Correlations |
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146 | (7) |
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11.1.1 WID Calculation Method |
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146 | (6) |
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11.1.2 Hp/A Calculation Method |
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152 | (1) |
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11.1.2.1 Fire-Resistance Test |
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153 | (1) |
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11.2 Heat Transfer Analysis |
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153 | (5) |
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11.2.1 Heat Transfer Equation |
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154 | (4) |
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11.2.1.1 Temperature Development of Steel Sections during Fire |
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155 | (3) |
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11.3 Structural (Mechanical Fire) Analysis |
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158 | (8) |
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158 | (1) |
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11.3.1.1 Load Combination for Accidental Fire Situations |
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158 | (1) |
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11.3.2 Calculating the Load-Bearing Resistance of Steel Members |
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159 | (6) |
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159 | (2) |
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161 | (1) |
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11.3.2.3 Simply Supported Beams |
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162 | (1) |
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11.3.2.4 Continuous Beams |
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163 | (1) |
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164 | (1) |
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11.3.2.6 Steel Elements with Non-Uniform Temperature Distribution |
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164 | (1) |
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11.3.3 Load-Bearing Resistance of Composite Components |
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165 | (1) |
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165 | (1) |
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166 | (1) |
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11.4 Structural Performance Evaluation |
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166 | (12) |
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11.4.1 Deflection Criteria |
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166 | (1) |
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11.4.1.1 Robertson-Ryan Criteria |
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167 | (1) |
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11.4.2 Critical Temperature |
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167 | (2) |
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11.4.2.1 Critical Stress Equations |
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168 | (1) |
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169 | (1) |
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170 | (1) |
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11.4.4.1 Failure Criteria |
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170 | (1) |
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171 | (12) |
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11.4.5.1 Robustness Can Be Measured Using the Following Three Approaches |
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172 | (1) |
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11.4.5.2 Risk-Based Robustness Index |
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173 | (1) |
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11.4.5.3 Deterministic Robustness Indexes |
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174 | (1) |
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11.4.5.4 Energy-Based Structural Robustness Criterion |
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175 | (1) |
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176 | (1) |
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11.4.5.6 Ductility Ratios |
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176 | (2) |
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178 | (2) |
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11.6 Practical Ways of Achieving Fire Resistance of Steel Structures |
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180 | (3) |
| 12 Fire, Explosion and Blast Effect Analysis |
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183 | (8) |
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12.1 Single Degree of Freedom Analysis |
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183 | (4) |
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12.1.1 Equation of Motion |
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184 | (2) |
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12.1.2 The Dynamic Load Factor |
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186 | (1) |
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187 | (1) |
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12.2 Elastic-Plastic Methods of Analysis |
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187 | (1) |
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12.3 Effect of Gas Explosions on Structures |
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188 | (3) |
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12.3.1 Duration of the Load and Natural Period of Vibration |
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188 | (3) |
| 13 Fire Protection Materials |
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191 | (6) |
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13.1 Types of Fire Protection Materials |
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191 | (6) |
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13.1.1 Active Fire Protection Materials |
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191 | (1) |
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13.1.2 Passive Fire Protection Materials |
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191 | (11) |
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13.1.2.1 Fire-Resisting Boards |
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192 | (1) |
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192 | (1) |
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13.1.2.3 Intumescent Paint Coatings |
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193 | (1) |
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13.1.2.4 Vermiculite Cement Sprays |
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194 | (1) |
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195 | (1) |
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13.1.2.6 Dry Lining Systems |
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195 | (2) |
| 14 Fire Safety |
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197 | (12) |
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197 | (4) |
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14.2 Emergency Shutdown System and Depressurisation |
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201 | (1) |
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14.3 Layout and Ventilation |
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202 | (1) |
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14.3.1 Ventilation Regime |
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203 | (1) |
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203 | (1) |
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204 | (1) |
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204 | (1) |
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14.7 Ignition Prevention Devices |
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204 | (1) |
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204 | (1) |
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205 | (1) |
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14.10 Permit-to-Work System |
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205 | (2) |
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14.11 Automatic Fire Suppression |
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207 | (2) |
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14.11.1 Automatic Fire Sprinklers |
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207 | (2) |
| References |
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209 | (4) |
| Index |
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