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Informationen zum Autor S. Ponnuswamy had worked for 34 years on The Indian and Nigerian Railways in different capacities as a civil engineer and in senior managerial positions, during which period he was responsible for design, planning, construction and maintenance of basic infrastructure for railways including major bridges and tunnels. Subsequently he has been providing consultancy services on urban transportation systems and infrastructure projects. He had also been teaching the subjects as a Guest Faculty on the subject in some major technical institutions in South India. He has written four books including one on Railway Transportation. D. Johnson Victor, former Professor in civil engineering and Head of the Transportation Division of the Indian Institute of Technology in Madras, Chennai and was considered an authority on transportation systems planning and design, specially of transportation structures in India. He had widely travelled in India and abroad providing advice and consultancy services and has presented over 75 papers in national and international conferences on the subjects. He has authored four technical books including one on Bridge Engineering, which is a popular text book in Indian technical institutions. Zusammenfassung Providing a comprehensive text on tunneling and tunnel engineering applicable in general to all types of tunnels, the book has been revised to also provide coverage of water conveyance, navigation and material conveyance tunnels and deals with these subjects in detail. Inhaltsverzeichnis Foreword iii Preface to Second Edition v Preface to First Edition vii 1. Introduction 1 1.1 General 1 1.2 Classification 2 1.3 Traffic/ Vehicular Tunnels 2 1.4 Conveyance Tunnels 6 1.5 Railway Tunnels in India 6 1.6 Scope of This Book 7 1.7 Definitions 7 1.8 References 9 2. Route Selection and Preliminary Investigations 10 2.1 Route Selection 10 2.2 Geometrical Parameters 14 2.3 Parameters For Highway Tunnels 16 2.4 Investigations 16 2.5 Geological Investigations 19 2.6 Hydrological Investigations 34 2.7 Gases and Rock Temperatures 34 2.8 Rock Temperature 37 2.9 References 38 3. Tunnel Requirements 39 3.1 General 39 3.2 Operational Requirements 39 3.3 Structural Requirements 44 3.4 Construction And Maintenance 48 3.5 Canal/Navigation Tunnels 49 3.6 Additional Requirements in Water Conveyance Tunnels 51 3.7 References 53 4. Design of Tunnels 54 4.1 General 54 4.2 Alignment 54 4.3 Gradient 55 4.4 Curvature 57 4.5 Determination of Cross-section 59 4.6 Geometric Shape Of Tunnel 61 4.7 Rock Pressure2 67 4.8 Design of Tunnel Lining 75 4.9 Design Practice of Indian Railway Tunnels 77 4.10 Modeling Approach to Design 79 4.11 References 82 5. Survey and Setting Out 107 5.1 General 107 5.2 Setting out on Surface 108 5.3 Use of Electronic Distance Measurements 113 5.4 Levelling 114 5.5 Setting out Inside of Tunnels 115 5.6 Transfer of Alignment Below G.l. at Intermediate Station 116 5.7 Setting out Curves 120 5.8 Setting out Line Through Compressed Airlock 122 5.9 Case Study: D.B.K Railline Tunnels 124 5.10 References 126 6. Tunnelling Operations 127 6.1 General 127 6.2 Preliminary Work 127 6.3 Tunnelling Methodologies 128 6.4 Tunnelling In Rock 131 6.5 Tunnel Supports 132 6.6 Tunnelling in Soft Rock and Soils 137 6.7 Excavation and Advancing Face 142 6.8 Soft-ground Tunnelling 147 6.9 Shield Tunnelling 151 6.10 Case Studies 158 6.11 References 163 7. Drilling, Blasting and Mucking 179 7.1 General 179 7.2 The Round 180 7.3 Drilling 180 7.4 Explosives 184 7...
