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Cost Effective Upgrading Of Gravel Roads Using Naturally Available Materials With Anionic New Age Modified Emulsion Nme Stabilisation
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Author :Gerrit J Jordaan Publisher :Department of Civil Engineering, University of Pretoria, Pretoria, South Africa ISBN 13 :9780620914154 Total Pages :0 pages Book Rating :4.9/5 (141 download)
Book Synopsis COST-EFFECTIVE UPGRADING OF GRAVEL ROADS USING NATURALLY AVAILABLE MATERIALS WITH ANIONIC NEW-AGE MODIFIED EMULSION (NME) STABILISATION by : Gerrit J Jordaan
Download or read book COST-EFFECTIVE UPGRADING OF GRAVEL ROADS USING NATURALLY AVAILABLE MATERIALS WITH ANIONIC NEW-AGE MODIFIED EMULSION (NME) STABILISATION written by Gerrit J Jordaan and published by Department of Civil Engineering, University of Pretoria, Pretoria, South Africa. This book was released on 2020-12-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A reliable road network is a pre-requisite for economic development. However, the provision of all-weather transportation infrastructure (roads) in developing areas, using traditional design approaches, currently comes at a considerable cost. The construction of a low-volume two lane road in rural and urban areas in Africa may vary from about US$ 500 000/km (2018) in more developed areas, to US$ 1.2 million/km rural areas, to more in remote areas as influence by material, logistics and safety risks. A general lack of available funds and lack of resources allocated for road infrastructure development is a reality. The current surfaced road network backlog, the lack of resources and the high unit costs make it basically impossible for the Developing World to provide the road infrastructure required to become economically competitive. The high unit costs can be addressed through a change in current engineering practices and the implementation of available and proven new technologies. "New-age" nanotechnology solutions are available to improve the characteristics of naturally available materials to meet the structural engineering requirements for all road pavement layers. These technologies have been proven through laboratory, full scale Accelerated Pavement Tests (APT) tests and practical implementation. The hydrophobic (water-repellent) action achieved through the stabilisation of pavement layers using anionic NME stabilisation agents, to a large extend prevents (or at least considerably retards) water from entering pavement layers and causing distress due to a change in the shear strength of the materials in the pavement structure. This book provides a comprehensive approach towards the upgrading of gravel / soil roads using naturally available materials stabilised and improved with anionic New-age Modified Emulsions (NME). The aim is to provide all-weather surface roads at an affordable costs, incorporating the best available technologies. This can be achieved without compromising the integrity of the road pavement structure and / or the safety of road users. Applicable standards together with the implementation of the latest proven developments in material sciences makes this a reality.
Book Synopsis Membranes for Industrial Wastewater Recovery and Re-use by : S. Judd
Download or read book Membranes for Industrial Wastewater Recovery and Re-use written by S. Judd and published by Elsevier. This book was released on 2003-04-25 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a world in which legislation promotes the recycling of wastewater new technologies are emerging that can fulfil such a remit. The papers that comprise this volume explore those technologies and explain what is driving and what is preventing their widespread implementation.
Book Synopsis Drilling Engineering by : Neal Jay Adams
Download or read book Drilling Engineering written by Neal Jay Adams and published by . This book was released on 1985 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Painter's Methods and Materials by : Arthur Pillans Laurie
Download or read book The Painter's Methods and Materials written by Arthur Pillans Laurie and published by Read Books Ltd. This book was released on 2020-07-14 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: “The Painter's Method and Materials” is a comprehensive guide to all things painting, dealing with everything from how to use use pigments in tempera to water-colour, mural painting, the theories of light and colour, and much more. This timeless volume will prove to be an invaluable resource for painters both new and old, and it would make for a marvellous addition to collections of allied literature. Contents include: “The Mediums Used in Painting”, “The Written Evidence on Early Painting Methods in Oil”, “Wood Panels and Canvas”, “The Pigments Used in Painting (contd.)”, “The Behaviour of White Light”, “Colour and the Prism”, “Linseed Oil, Walnut Oil, and Poppy Oil”, “How to Paint Oil Pictures”, etc. Many vintage books such as this are increasingly scarce and expensive. We are republishing this volume now in an affordable, modern, high-quality edition complete with a specially-commissioned new the original text and artwork.
Book Synopsis Chemical Water and Wastewater Treatment VI by : Hermann H. Hahn
Download or read book Chemical Water and Wastewater Treatment VI written by Hermann H. Hahn and published by Springer. This book was released on 2011-11-23 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the ninth Gothenburg Symposium time design and operation engineers as well as supervising and funding administrators in chemical water and waste water treatment, have come together to exchange ideas, experiences and personal views on issues of water and waste water management. While the main thrust of past symposia was in the description of the technological know-how of existing chemical unit-operations in water technology this ninth symposium focuses in addition on aspects of overall energy and mass flux analyses, the strive for more and more sustainable solutions (not only in technological turns) and public private partnership in all areas of water management. As the symposium in its effort to address also different geographical areas and therefore different water problems moved to Istanbul in Turkey a special effort was made in developing a platform for industrial water management.
Book Synopsis Nanotechnology in Construction by : Peter J M Bartos
Download or read book Nanotechnology in Construction written by Peter J M Bartos and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of nanotechnology related research and development has become recognised worldwide. Substantial public and private investment is now being ploughed into research and development in a number of industrial sectors, where nanotechnology has become established and has led to new commercial products. The construction industry, having major economic significance with nano-scale research and development which is only emerging, offers a wide scope for exploitation of nanotechnology. With international contributions from experts in the field, Nanotechnology in Construction amalgamates previously fragmented research and emerging trends. It reflects the inherent multi-disciplinary nature of nano-scale research in construction and contributions cover a wide spectrum, from highly scientific investigations to futuristic applications. The book is organised into four broad sections, the first reviews and analyses the prospects of exploitation of nanotechnology in construction, the second discusses novel tools and their capabilities, the final two sections show existing significant products where nanotechnology has been already been exploited or where product development is under-way. Nanotechnology in Construction will appeal to researchers already working in this field as well as those wishing to enter it. It will also inform governmental and other funding agencies of the most promising future directions and their related timescales. Practical applications are considered and explanations of the underlying basics are given, raising awareness and understanding of what nanotechnology can offer to construction professionals in general.
Book Synopsis Fennema's Food Chemistry by : Srinivasan Damodaran
Download or read book Fennema's Food Chemistry written by Srinivasan Damodaran and published by CRC Press. This book was released on 2017-05-25 with total page 1107 pages. Available in PDF, EPUB and Kindle. Book excerpt: This latest edition of the most internationally respected reference in food chemistry for more than 30 years, Fennema’s Food Chemistry, 5th Edition once again meets and surpasses the standards of quality and comprehensive information set by its predecessors. All chapters reflect recent scientific advances and, where appropriate, have expanded and evolved their focus to provide readers with the current state-of-the-science of chemistry for the food industry. This edition introduces new editors and contributors who are recognized experts in their fields. The fifth edition presents a completely rewritten chapter on Water and Ice, written in an easy-to-understand manner suitable for professionals as well as undergraduates. In addition, ten former chapters have been completely revised and updated, two of which receive extensive attention in the new edition including Carbohydrates (Chapter 3), which has been expanded to include a section on Maillard reaction; and Dispersed Systems: Basic considerations (Chapter 7), which includes thermodynamic incompatibility/phase separation concepts. Retaining the straightforward organization and accessibility of the original, this edition begins with an examination of major food components such as water, carbohydrates, lipids, proteins, and enzymes. The second section looks at minor food components including vitamins and minerals, colorants, flavors, and additives. The final section considers food systems by reviewing basic considerations as well as specific information on the characteristics of milk, the postmortem physiology of edible muscle, and postharvest physiology of plant tissues.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer. This book was released on 1975-02-01 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by TPRC at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemina tion phases of the activity was transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we have concluded that it will be in the interest of all concerned if the printing and distribution of the volume were handled by a well-known publishing house to assure improved service and better communication. Hence, effective with this Volume 18, Masters Theses in the Pure and Applied Sciences will be disseminated on a worldwide basis by Plenum Publishing Corporation of New York. All back issues can also be ordered from Plenum. As we embark on this new partnership with Plenum, we also initiate a new venture in that this important annual reference work now covers Canadian universities as well as those in the United States. We are sure that this broader base will greatly enhance the value of these volumes.
Download or read book Table for Four written by K Srilata and published by Penguin UK. This book was released on 2011-07-19 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is their last evening together. Maya, Sandra and Derek, graduate students at UC Santa Cruz and house-mates for three years, are preparing for dinner with Uncle Prithvi, the house-owner. It’s a cheerful and quirky household: Sandra is prone to ‘Orkut attacks’; Derek silently pines for the wistful-looking Afghan boy in the photo on his wall; Maya, who has the hots for Derek, is inexplicably terrified of the ocean; and the elusive Uncle Prithvi communicates through notes he leaves all over the place. Sad at parting, perhaps forever, and half tipsy, Maya, Sandra and Uncle Prithvi play a game of wapping stories as they wait for Derek to arrive. As the evening progresses, we learn their deep, dark secrets and hidden fears. Sandra, abandoned at birth, talks about growing up in an orphanage with her precious twin, disabled Solana, only to be separated by circumstances; Uncle Prithvi rues the loss of his beloved daughter, whom he betrayed when he sought a new life with Karen in the US. Maya, the narrator, can’t bring herself to open up—except when alone. And Derek avoids revealing himself altogether as he doesn’t turn up at all. Finely crafted and deeply felt, Table for Four is a rumination on the burden of secrets, of learning to let go and accepting the betrayals and losses in our lives.
Book Synopsis Positive Guidance in Traffic Control by : Gerson J. Alexander
Download or read book Positive Guidance in Traffic Control written by Gerson J. Alexander and published by . This book was released on 1975 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The progress that has been made in developing the positive guidance concept is documented, and the meaning of positive guidance, the philosophy of driver performance upon which it is based the nature of the driving task at those locations where positive guidance is applicable, and a procedure for its application are discussed. This report describes what must be done to improve the information system at hazardous locations. Positive guidance which is an information system matched to the facility characteristics and driver attributes, is based on the premise that a driver can be given sufficient information where he needs it and in the form that he can best use to avoid hazards.
Book Synopsis Advances in Industrial and Environmental Microbiology by : Slawomir Ciesielski
Download or read book Advances in Industrial and Environmental Microbiology written by Slawomir Ciesielski and published by . This book was released on 2021 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of civilization entails the need to find new technological solutions leading to products with new properties. Allies in these efforts are microorganisms that have developed skills to synthesize products with properties of interest to the industry, environmental remediation or water treatment. The evolution of the omics approaches brought new tools to explore the microbial diversity and microorganisms' potential. These new methodological approaches are readily used in both industrial and environmental microbiology. This Special Issue collects research papers as well as review articles addressing recent advances on applied and environmental microbiology. The review articles critically discuss the importance of biopolymers, specifically xanthan gum, to improve soil properties and the importance that microorganisms of poorly explored environments, such as caves, may have in the production of new bioactive compounds. The microbiological aspects of wastewater treatment and occurrence of antibiotic resistance genes in wastewater and sludge are studied in two research papers. These works demonstrate the effect that treatment conditions may have in the modulation of the water bacterial communities and how treated wastewater may impact the receiving environment in terms of pollution with antibiotic resistance genes. Additionally, the influence that an invasive species (alligator weed) may have on wetlands organic matter accumulation and bacterial communities was studied, being demonstrated that the presence of the invasive weed affects the wetland microhabitat both in terms of organic matter content and bacterial communities structure.
Book Synopsis Food Chemistry, Third Edition by : Owen R. Fennema
Download or read book Food Chemistry, Third Edition written by Owen R. Fennema and published by CRC Press. This book was released on 1996-06-19 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offers up-to-the-minute coverage of the chemical properties of major and minor food constituents, dairy products, and food tissues of plant and animal origin in a logically organized, step-by-step presentation ranging from simple to more complex systems. Third Edition furnishes completely new chapters on proteins, dispersions, enzymes, vitamins, minerals, animal tissue, toxicants, and pigments."
Download or read book Yvain written by Chretien de Troyes and published by Yale University Press. This book was released on 1987-09-10 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: A twelfth-century poem by the creator of the Arthurian romance describes the courageous exploits and triumphs of a brave lord who tries to win back his deserted wife's love
Book Synopsis Drilling Practices Manual by : Preston L. Moore
Download or read book Drilling Practices Manual written by Preston L. Moore and published by Pennwell Books. This book was released on 1986 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantification of Road User Savings by : Jan de Weille
Download or read book Quantification of Road User Savings written by Jan de Weille and published by Johns Hopkins University Press. This book was released on 1966 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Road Deterioration in Developing Countries by : Clell G. Harral
Download or read book Road Deterioration in Developing Countries written by Clell G. Harral and published by World Bank Publications. This book was released on 1988-01-01 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
