Explosive loading of engineering structures : a history of research and a review of recent developments 1st ed

Contents Preface vii Acknowledgements ix Notation xi Introduction xvii 1 The nature of explosions 1 1.1 The development of low and high explosives 1 1.2 Nuclear explosions 6 1.3 The analysis of detonation and shock in free air 8 1.4 The decay of instantaneous overpressure in free air 18 1.5 References 25 2 The detonation of explosive charges 27 2.1 Ground burst explosions 27 2.2 Above-ground explosions 30 2.3 Below-ground explosions 34 2.4 Underwater explosions 45 2.5 Equivalent pressure factors 55 2.6 References 56 3 Propellant, dust, gas and vapour 59 3.1 Liquid propellant explosions 59 3.2 Dust explosions 60 3.3 Gas explosions 63 3.4 Vapour cloud explosions 66 3.5 Thermal flash 69 3.6 References 69 4 Structural loading from distant explosions 71 4.1 Uniformly distributed pressures 72 4.2 Loading/time relationships 74 vi Contents 4.3 Loads on underground structures 80 4.4 Loads on underwater structures 86 4.5 References 88 5 Structural loading from local explosions 91 5.1 Concentrated external explosive loads on surface structures 91 5.2 Ground shock from concentrated underground explosions 95 5.3 Concentrated external loads on underwater structures 100 5.4 Blast loads in tunnels and shafts 102 5.5 Loads from confined explosions in unvented and vented chambers 111 5.6 References 117 6 Pressure measurement and blast simulation 119 6.1 Experimental pressure measurement 119 6.2 Blast simulation 123 6.3 Simulation of loads on underground structures 134 6.4 References 138 7 Penetration and fragmentation 141 7.1 Introduction 141 7.2 Penetration into soil, stone and rock 143 7.3 Penetration into concrete 164 7.4 Projectile damage to metal structures 169 7.5 Fragmentation 174 7.6 Delivery systems and their development 176 7.7 References 179 8 The effects of explosive loading 183 8.1 Civil buildings 183 8.2 Civil bridges 191 8.3 Aircraft and ships 207 8.4 References 213 9 Response, safety and evolution 215 9.1 Introduction 215 9.2 Theoretical response 217 9.3 Load factors 223 9.4 Evolution 226 9.5 References 227 Author index 229 Subject index 235