Design Principles and Analysis of Thin Concrete Shells, Domes and Folders
One of the main goals of a good and effective structural design is to decrease, as far as possible, the self-weight of structures, because they must carry the service load. This is especially important for reinforced concrete (RC) structures, as the self-weight of the material is substantial. For RC structures it is furthermore important that the whole structure or most of the structural elements are under compression with small eccentricities. Continuous spatial concrete structures satisfy the above-mentioned requirements. It is shown in this book that a span of a spatial structure is practically independent of its thickness and is a function of its geometry. It is also important to define which structure can be called a spatial one. Such a definition is given in the book and based on this definition, five types of spatial concrete structures were selected: translation shells with positive Gaussian curvature, long convex cylindrical shells, hyperbolic paraboloid shells, domes, and long folders. To demonstrate the complex research, results of experimental, analytical, and numerical evaluation of a real RC dome are presented and discussed. The book is suitable for structural engineers, students, researchers and faculty members at universities.
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The complete guide to trenchless technology project management, planning, costs, and methods
Written by an expert in the field of pipeline system engineering, this book describes how to plan, schedule, and implement efficient, cost-effective trenchless technology piping projects. Filled with detailed illustrations and real-world examples, Trenchless Technology: Planning, Equipment, and Methods explains how to accurately compare the costs of trenchless projects, considering geotechnical and rock mass impacts, drilling fluids, and locating and tracking equipment.
This in-depth reference provides important information on how to estimate the cost of labor and equipment and schedule trenchless piping projects. A wide range of trenchless technology methods suitable for various ground and project conditions are discussed in this practical resource.
- Cost comparison of trenchless technology methods
- Planning for trenchless technology projects
- Project delivery methods
- Geotechnical considerations
- Rock mass properties impacts on trenchless project feasibility
- Tracking, locating, and planning tools for horizontal directional drilling
- Drilling and lubricating fluids
- Planning and construction requirements for horizontal direction drilling
- Horizontal auger boring
- Pipe ramming
- Microtunneling methods
- Pilot tube (or pilot tube microtunneling) method
- Pipe/box jacking and utility tunneling
- Cured-in-place-pipe method
- Lateral renewal
- Localized repair
- Planning and construction requirements for pipe bursting
- Panel linings
- Spray-in-place pipe
About the Author
Mohammad Najafi, Ph.D., P.E, is the Director of the Center for Underground Infrastructure Research and Education (CUIRE) and Director of Construction and Infrastructure Engineering and Management at the Department of Civil Engineering at The University of Texas at Arlington. He is Founder and Chief Editor of the ASCE Journal of Pipeline Systems Engineering and Practice and author of the Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal, and Trenchless Technology Piping: Installation and Inspection both by McGraw-Hill. He lives in Arlington, Texas.
A complete overview of soil properties and mechanics, together with coverage of field practices, and basic engineering procedure.
- More worked-out problems and illustrations than any other text for this course including a new 16-page full color photographic insert
- The most recent and up-to-date information and findings in the literature
- Includes case studies presenting the unpredictable variability of soil in the field
About the Author
Dr. Braja Das is Dean Emeritus of the College of Engineering and Computer Science at California State University, Sacramento. He received his M.S. in Civil Engineering from the University of Iowa and his Ph.D. in the area of Geotechnical Engineering from the University of Wisconsin. He is the author of several geotechnical engineering texts and reference books and has authored more than 250 technical papers in the area of geotechnical engineering. His primary areas of research include shallow foundations, earth anchors, and geosynthetics. He is a Fellow and Life Member of the American Society of Civil Engineers, Life Member of the American Society for Engineering Education, and an Emeritus Member of the Chemical and Mechanical Stabilization Committee of the Transportation Research Board of the National Research Council (Washington D.C.). Dr. Das has received numerous awards for teaching excellence, including the AMOCO Foundation Award, AT&T Award for Teaching Excellence from the American Society for Engineering Education, the Ralph Teetor Award from the Society of Automotive Engineers, and the Distinguished Achievement Award for Teaching Excellence from the University of Texas at El Paso.
Khaled Sobhan is an Associate Professor of Civil Engineering at Florida Atlantic University. He received his M.S. degree from The Johns Hopkins University, and his Ph.D. from Northwestern University, both in the area of Geotechnical Engineering. His primary research areas include ground improvement, geotechnology of soft soils, experimental soil mechanics, and geotechnical aspects of pavement engineering. He served as the Chair of the Chemical and Mechanical Stabilization committee (AFS90) of the Transportation Research Board (2005-2011), and co-authored the TRB Circular titled Evaluation of Chemical Stabilizers: State-of-the-Practice Report (EC086). He is currently serving as an Associate Editor of ASCE Journal of Materials in Civil Engineering, and on the editorial boards of the The ASTM Geotechnical Testing Journal, Geotechnical and Geological Engineering (Springer, The Netherlands), and International Journal of Geotechnical Engineering. He is a recipient of the distinguished Award for Excellence and Innovation in Undergraduate Teaching (2006), and the Excellence in Graduate Mentoring Award (2009) from Florida Atlantic University. He has published more than 75 technical articles and reports in the area of geotechnical engineering.
The only modern guide to all aspects of practical tunnel construction
Practical Tunnel Construction fills a void in the literature for a practical guide to tunnel construction. By taking the reader through a brief introduction and history to a comprehensive discussion of how the geological factors affect tunneling, the author covers the stages and technology that are common today without using complex equations. Written for the individual who does not have an extensive background in tunneling but who has to make tunneling decisions, the various tunneling methods are discussed to help in the determination of the appropriate method. The methods discussed are: hand mining, drill/blast, Tunnel Boring Machine (TBM), New Austrian Tunnelling Method (NATM), Norwegian Method of Tunnelling (NMT), Roadheader, Earth Pressure Balance Machine (EPBM), and Slurry Pressure Balance Machine (SPBM). This book focuses on driven tunnels.
This versatile handbook:
- Offers clear and accessible coverage of the state of the art in tunnel construction
- Introduces the essentials of design and construction of many types of tunnels, including TBM, EPB, Roadheader, NATM, drill and blast, and soft ground tunneling
- Provides nontechnical guidance on selecting the most appropriate tunneling methods for various situations
- Includes a brief history of tunneling and an introduction to geotechnical considerations
- Discusses tunnel access shaft construction, mucking methods, tunnel haulage, grout, water handling, and much more
Practical Tunnel Construction is an important resource for students, construction managers, tunnel designers, municipal engineers, or engineers who are employed by government agencies or corporations that are exploring the feasibility of planning and designing or building a tunnel.
About the Author
GARY B. HEMPHILL, PhD, PE, has more than thirty years of experience in the domestic and international construction industry. He has served as the project manager, designer, estimator, construction manager, field engineer, tunnel/shaft engineer, and project engineer on major projects throughout the world, including the Dallas Area Rapid Transit rail extension and the Taiwan High Speed Rail Project. He is the author of Blasting Operations.
The fully updated industry-standard guide to maintenance planning and scheduling
Written by a Certified Maintenance and Reliability Professional (CMRP) with more than three decades of experience, this thoroughly revised resource provides proven planning and scheduling strategies that will take any maintenance organization to the next level of performance. The book covers the accuracy of time estimates, the level of detail in job plans, creating schedules, staging material, utilizing a CMMS, and more, all designed for increasing your workforce without hiring.
Maintenance Planning and Scheduling Handbook, Third Edition features major additions to the business case for planning and scheduling, new case studies, an expanded chapter on KPIs with sample calculations, a new chapter on successful outage management, and a new appendix illustrating how to easily conduct an in-house productivity study. New discussions reveal how the principles of planning and scheduling closely follow the timeless management principles of Dr. W. Edwards Deming and Dr. Peter F. Drucker. This comprehensive guide delivers the experience, advice, and know-how necessary to establish a world-class maintenance operation.
Detailed coverage of:
- The business case for the benefit of planning
- Planning principles
- Scheduling principles
- Dealing with reactive maintenance
- Basic planning
- Advance scheduling
- Daily scheduling and supervision
- Forms and resources
- The computer in maintenance
- How planning interacts with preventive maintenance, predictive maintenance, and project work
- How to control planning and use associated KPIs for planning and overall maintenance
- Shutdown, turnaround, overhaul, and outage management
- Conclusion: start planning
About the Author
Richard (Doc) Palmer has more than 30 years of industrial experience as a practitioner, primarily within the maintenance department of the Jacksonville Electric Authority, where he was responsible for overhauling the existing maintenance planning organization. Palmer currently provides guidance, mentoring, and training for global companies in maintenance planning success. He is a registered professional engineer with a master’s degree in business administration and is a Certified Maintenance and Reliability Professional (CMRP).