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 book explores the sustainable design principles and innovative engineering behind the development of two of the world’s largest conditioned public conservatories or biomes. Nestled within waterfront gardens, the biomes are the centrepiece of a development that will define Singapore as the world’s premier tropical garden city: gardens that are on track to become a national and international exemplar of sustainable practice.
Through a combination of photographs, graphics and narratives, the book explores the challenges of building two huge enclosures to recreate, in Singapore’s naturally sunny, hot and humid environment, the ideal growing conditions for plants from cool-dry Mediterranean regions and the cool-moist conditions of tropical mountain regions. While the thrust of the narrative will consider the environmental design and engineering approach of Atelier Ten, three other voices reflect upon the landscape, architectural and structural engineering issues that confronted the core members of the integrated design team.
As environmental engineers Atelier Ten developed highly innovative passive and active environmental strategies for controlling conditions within the conservatories, while minimising energy demand to exemplar levels. Outside the Biomes the unique Supertree structures house components of the systems that provide cool and dry air to the biomes and also incorporate photovoltaic panels to generate power. The systems run mainly on tree-thinnings – waste material generated by Singapore’s National Parks maintenance programme – which are being diverted from landfill to be used as a source of biomass to generate energy and heat.
The landscaping incorporates extensive natural water treatment devices to control, attenuate and cleanse the enormous flows of water from the biome roof areas and the hard landscaping areas during tropical storms. These have been seamlessly integrated into the hard and soft landscaping which comes to life during the frequent deluges that are characteristic of the tropical climate.
In addition, Atelier Ten have developed sustainable management matrices to establish agreed principles of design and construction to exceed benchmarks establish by LEED™, Singapore’s BCA Green Mark scheme and One Planet Living approaches.
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.
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).
The most comprehensive, up-to-date construction project management system
Fully revised for the latest technologies and standards, Total Construction Project Management, Second Edition provides a proven framework for completing construction jobs as specified, on schedule, and within budget. You’ll learn how to plan, organize, and control each stage of a project—from initiation to close-out.
This updated edition integrates important new trends, such as technological interoperability, seamless electronic information exchange, Building Information Modeling (BIM), and sustainable building practices. Real-world case studies and customizable sample construction documents are included in this practical guide.
Inside, you’ll find field-tested methods for:
- Preparing project bids and proposals
- Negotiating contracts
- Project planning and initiation
- Scheduling construction
- Estimating, budgeting and cost control
- Project organization and control
- Construction project execution
- Integrating the latest technologies, including BIM and electronic information exchange
- Green building and sustainable construction
- Construction safety and health
- Project communications
- Managing human factors
About the Author
George J. Ritz was a leading expert in construction and project management with 40 years of experience in executing projects in the U.S. and abroad. He worked on a broad spectrum of construction projects, ranging from schools for the physically challenged to world-class petrochemical plants. Mr.Ritz was a registered Professional Engineer and a frequent lecturer on project management and related topics .He wrote Total Engineering Project Management.
Sidney M. Levy has 35 years of experience as a senior executive in a major general contracting firm in New England. He is the author of 30 books on construction means, methods, and operations in the United States and abroad. Mr. Levy has lectured to industry groups in the U.S., Mexico, Europe, Japan, and Korea. His book, Project Management in Construction, was awarded the British Chartered Institute of Building Silver Medal. Mr. Levy currently resides in Baltimore, Maryland where he is an independent construction consultant.