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Introductory technical guidance for civil engineers interested in the use of tensioned rock bolts for rock reinforcement in construction of underground structures such as tunnels and shafts. Here is what is discussed: 1. GENERAL 2. ANCHORAGE METHODS 3. BOLTS AND ACCESSORIES 4. INSTALLATION METHODS 5. TENSIONING METHODS 6. GROUTING OF REINFORCING ELEMENTS 7. ANCHORAGE CAPABILITY 8. QUALITY CONTROL 9. SPECIFICIATIONS.
Rockbolting: Principles and Applications brings current theoretical and practical developments in the most widely used support device for underground rock excavations. Today, one cannot find any rock excavation project that does not use rockbolts for rock support. The worldwide annual assumption of rockbolts is in the billions, with pieces applied to mines, tunnels and other types of geotechnical projects for rock and soil reinforcement. The text is based on over 25 years of experience of the author both as academic and practitioner. The book introduces the principles and background concepts of rock support, and then offers a comprehensive overview of the mechanics of rockbolting, as well as current rock bolt types such as mechanical, grouted, self-drilling, grouted cables, frictional and yield rockbolts. Installation and performance assessment are covered next including load-displacement curves and energy-absorption capacities. Two chapters on design and quality control, respectively, cover failure mechanics, the selection process and the connections with other supporting devices. On quality control, the author explains the usual tests and displacement measurements. The final chapter brings current case studies that combine the concepts presented in the whole book. The book is a professional reference for engineers in the mining and geotechnical industries and can be used as research material for academics in rock mechanics and stability studies. - Offers theoretical knowledge on rock bolts and rockbolting - Covers the standard and most recent types of rockbolts - Includes information on rockbolting in high stress rock - Presents case studies that introduce practical applications in several conditions
Introductory technical guidance for civil engineers and construction managers interested in construction of foundations on rock. Here is what is discussed: 1. EXCAVATION 2. EFFECTS OF DISCONTINUITIES ON EXCAVATION 3. DEWATERING AND GROUND WATER CONTROL 4. GROUND CONTROL 5. PROTECTION OF SENSITIVE FOUNDATION MATERIALS 6. EXCAVATION MAPPING AND MONITORING.
Introductory technical guidance for civil and geotechnical engineers and construction managers interested in rock engineering. Here is what is discussed: 1. ROCK BOLT REINFORCEMENT 2. ROCK BOLT SAMPLE SPECIFICATIONS 3. TENSIONED ROCK BOLTS 4. ROCK CLASSIFICATION AND PROPERTIES 5. DISCONTINUITIES 6. QUALITIES 7. REINFORCEMENT 8. SURFACE TREATMENT.
The text broadly covers recent developments in ground control techniques, and their at operating mines, worldwide. Specific topics include: design and analysis of support and re-inforcement in metalliferous mines, mesh, shotcrete and membrane support systems, and strata control in coal mines.
The study of the solid part of the earth on which structures are built is an essential part of the training of a civil engineer. Geotechnical processes such as drilling, pumping and injection techniques enhance the viability of many construction processes by improving ground conditions. Highlighting the ground investigation necessary for the process, the likely improvement in strength of treated ground and testing methods An Introduction to Geotechnical Processes covers the elements of ground treatment and improvement, from the control of groundwater, drilling and grouting to ground anchors and electro-chemical hardening.
Introductory technical guidance for civil engineers, geotechnical engineers and construction managers interested in rock mass construction. Here is what is discussed: 1. SCOPE, 2. EXCAVATION, 3. DEWATERING AND GROUND WATER CONTROL, 4. DEWATERING METHODS, 5. GROUND CONTROL, 6. PROTECTION OF SENSITIVE FOUNDATION MATERIALS, 7. EXCAVATION MAPPING AND MONITORING.
Introductory technical guidance for civil engineers, geotechnical engineers and other professional engineers nd construction managers interested in design and construction of tunnels and shafts in rock and soil. Here is what is discussed: 1. CONSTRUCTION BY BLASTING AND BORING, 2. DESIGN CONSIDERATIONS, 3. GEOTECHNICAL ANALYSIS, 4. INITIAL GROUND SUPPORT DESIGN, 5. CONSTRUCTION OF TUNNELS AND SHAFTS, 6. GEOTECHNICAL EXPLORATION, 7. GROUND SUPPORT, 8. TUNNELS AND SHAFTS IN ROCK.
With the ever-increasing developmental activities as diverse as the construction of dams, roads, tunnels, underground powerhouses and storage facilities, petroleum exploration and nuclear repositories, a more comprehensive and updated understanding of rock mass is essential for civil engineers, engineering geologists, geophysicists, and petroleum and mining engineers. Though some contents of this vast subject are included in undergraduate curriculum, there are full-fledged courses on Rock Mechanics/Rock Engineer-ing in postgraduate programmes in civil engineering and mining engineering. Much of the material presented in this book is also taught to geology and geophysics students. In addition, the book is suitable for short courses conducted for teachers, practising engineers and engineering geologists. This book, with contributions from a number of authors with expertise and vast experience in various areas of rock engineering, gives an in-depth analysis of the multidimensional aspects of the subject. The text covers a wide range of topics related to engineering behaviour of rocks and rock masses, their classifications, interpretation of geological mapping of joints through stereographic projection, in situ stress measurements, laboratory and field tests, stability of rock slopes, foundations of structures, including dams and support systems for underground excavations. The Second Edition has been enriched with new topics such as minimum overburden on pressure tunnels, pressure around vertical cylindrical shaft, thickness of steel lining, and penetration rate from joint factor. What distinguishes the text is the application of numerical methods to solve various problems by discrete element and equivalent material concepts, interpretations of geomechanics modelling test data, excavation methods, ground improving methods, and use of roadheaders and TBMs. The book provides an excellent understanding of how to solve problems in rock engineering and should immensely benefit students, teachers, professionals and designers alike.