Author: Frank R. Spellman, Joanne E. Drinan | Size: 5.6 MB | Format:PDF | Quality:Original preprint | Publisher: CRC Press | Year: 2014 | pages: 335 | ISBN: 9781466593190
Features:
> Enables users to properly operate water and wastewater ponds at top efficiency, and suggests several troubleshooting procedures for keeping plants at optimum operation levels
> Discusses costs and energy requirements, along with the potential use of renewable energy sources
> Explains numerous nutrient removal techniques
> Presents running themes of sustainability and energy conservation throughout the book
> Serves as a guidebook for wastewater treatment licensure exam preparation
Summary
Ponds (lagoons) have been used for centuries with great success in the treatment of wastewater. Ponds created for treatment, known as stabilization ponds, model the physical and biochemical interactions that occur in natural ponds. Easy to build and manage, stabilization ponds can accommodate large fluctuations in flow, and provide results that are comparable to conventional systems at a much lower cost. Wastewater Stabilization Ponds examines the use of this natural and highly effective process. The text is centered on wastewater pond management processes and operation procedures that provide passive treatment with a minimum of energy-driven mechanical elements.
It highlights the environmental principles, practices, engineering, and mathematics involved in the design and operation of conventional wastewater stabilization ponds. It also explores the major processes, procedures, and design methods relevant to wastewater treatment ponds. This includes the basic processes, in-pond design evolution and enhancements, oxygen addition, and modifications that require energy, nutrient removal, as well as effluent total suspended solids removal. Emphasizing the design, construction, and operation of wastewater ponds, the book serves as a valuable resource for anyone seeking information on pond construction and operation, knowledge of pond operation, and assistance in certification exam preparation and study.
> Presents a design of wastewater stabilization ponds
> Includes a complete description of pond process elements
> Provides descriptions of pond insect macroinvertebrates
> Incorporates pond morphometry calculations
> Contains extensive pond-related math problems
Sustainability and energy conservation are underlying themes throughout the text and the authors offer valuable information on potential renewable energy sources.
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In order to carry on a Due Diligence on an existing building, i need the French code "règles parasismiques 92 ". It does not metter if written in French
As society becomes more aware of the significance of the environment, such issues become increasingly important. The book exemplifies the vital role of environmental geology and geological processes in understanding the physical environment and the influence and fundamental importance of engineering geology in our modern world, particularly the infrastructure, whether it be foundations, routeways or reservoirs. The influence of geohazards, the significance of soil and water resources, and the impact of mining, waste disposal and pollution/contamination on the environment are all examined in this book. The various aspects of construction that are involved in the development of the infrastructure are also discussed - land evaluation and geological construction materials are therefore taken account of in this context. The book provides a wealth of practical examples and a comprehensive suggested reading list is provided for each chapter.
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This significant new book by foremost experts in the field will be the first that truly covers the topic of engineering geomorphology as a distinct discipline and, as such, will be of paramount importance to both practitioners and students. Engineering geomorphology is concerned with the evaluation of landform changes, especially the effects of construction on the environment, notably on the operation of surface processes and the risks from surface processes, whether current processes or the legacies of past processes. Engineering geomorphology provides practical support for engineering decision-making (project planning, investigation, design and construction) and engineering geomorphologists form an integrate part of the engineering or environmental team. Engineering geomorphology has developed in the last few decades to support a number of distinct areas of engineering, including river engineering, coastal engineering, and geotechnical engineering, where engineering geomorphology has complemented engineering geology and has proven to be valuable, especially for rapid site reconnaissance and slope stability studies. Geomorphology provides a spatial context for developing site models and explaining the distribution and characteristics of particular ground-related problems (e.g. landslides, permafrost or the presence of aggressive soils) and resources (e.g. sand and gravel). Engineering geomorphology can also be applied to agricultural engineering, primarily in the investigation and management of soil erosion problems. This book includes basic concepts that underpin efforts to explain the causes, mechanisms and consequences of landform change. It then considers how the land surface works in the context of wetland, flatland, hills, mountains, rivers and coasts; and the techniques that are available to the engineering geomorphologist in the field, in the laboratory, in the office and in the various forms of remote sensing. Each succinct chapter is packed with vital information, well-illustrated with diagrams and tables and fully referenced so that the detail of subject matter can be followed up.
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This monograph deals with buckling and postbuckling behavior of thin plates and thin-walled structures with flat wall subjected to static and dynamic load. The investigations are carried out in elastic range.
The basic assumption here is the thin plate theory. This method is used to determination the buckling load and postbuckling analysis of thin-walled structures subjected to static and dynamic load. The book introduces two methods for static and dynamic buckling investigation which allow for a wider understanding of the phenomenon. Two different methods also can allow uncoupling of the phenomena occurring at the same time and attempt to estimate their impact on the final result.
A general mathematical model, adopted in proposed analytical-numerical method, enables the consideration of all types of stability loss i.e.local, global and interactive forms of buckling. The applied numerical-numerical method includes adjacent of walls, shear-lag phenomenon and a deplanation of cross-sections.
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Author: Geert De Schutter, Peter J. M. Bartos, Peter Domone and John Gibbs | Size: 6 MB | Format:PDF | Quality:Original preprint | Publisher: Whittles Publishing | Year: 2008 | pages: 334 | ISBN: 9781904445302 , 9781420068337
The only book to offer a systematic and comprehensive source of information on SCC technology from its inception to latest developments
During the last decade, concrete technology has made an enormous advance through the introduction of self-compacting concrete. This application of nanotechnology in construction provides benefits from the perspective of materials technology and environmental protection and is presenting diverse opportunities to engineers and architects alike.
Good quality concrete is compacted, traditionally by vibration. This book defines the key properties that make fresh concrete self-compacting and outlines test methods for its assessment. It covers the basic principles and underlying scientific theory, practical advice for production of SCC and its use in construction practice, and is illustrated by practical case studies and applications. All stages of the self-compacting concrete construction process are reviewed, from selection of materials, mix design and mixing process to transport, placing and finishing. The range of benefits offered go beyond fundamental aspects of concrete quality and productivity; it includes a major improvement in the health and safety of workers. Reductions of noise levels on construction sites, together with utilisation of inorganic industrial wastes such as quarry dusts are additional benefits.
Information necessary for maximising the benefits offered by self-compacting concrete is provided, with an emphasis on an integrated approach, in which SCC is already selected in the design stage. Novel structural elements become feasible, in part due to the facility to pump under pressure, and management of the construction process can be adjusted to minimise costs. Significant completed projects are described which illustrate the potential benefits and key aspects of the new self-compacting concrete technology in practice.
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> Thorough analysis of whole structures and structural elements
> Fully compliant with EC8 and EC3
> Simple, clear approach to calculations
Steel Structures: Analysis and Design for Vibrations and Earthquakes analyses the behaviour of two steel framed structures and their structural elements subjected to complex dynamic forces under the actions of earthquake motions and vibrations due to dynamic forces created by the effects of an unbalanced rotating mass of machines. Both the complete structures and the structural elements are analysed in compliance with Eurocode 8 and Eurocode 3.
There are books available that consider the design of structural members and deal with isolated problems but in the main these emphasize the theory and do not consider the practical design and detailing which engineers face in the design office and within construction. This book considers the structure in its entirety providing a complete picture, guiding the engineer through the full process.
The general principles and practices, design concepts, evaluation of seismic design parameters, calculations of design base shear force in elastic analysis, and vibration analysis are all considered before presentation of the calculations. The author takes the reader through the process in a simple and lucid way with a step-by-step approach stating the design philosophy, design considerations and clarifying the referred clauses of the code of practice, all complemented by design sketches and tables.
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