Addressing the interactions between the different design and construction variables and techniques this book illustrates best practices for constructing economical, long life concrete pavements. The book proceeds in much the same way as a pavement construction project. First, different alternatives for concrete pavement solutions are outlined. The desired performance and behaviour parameters are identified. Next, appropriate materials are outlined and the most suitable concrete proportions determined. The design can be completed, and then the necessary construction steps for translating the design into a durable facility are carried out. Although the focus reflects highways as the most common application, special features of airport, industrial, and light duty pavements are also addressed. Use is made of modeling and performance tools such as HIPERPAV and LTPP to illustrate behavior and performance, along with some case studies. As concrete pavements are more complex than they seem, and the costs of mistakes or of over-design can be high, this is a valuable book for engineers in both the public and private sectors.
This second edition of Concrete Pavement Design, Construction, and Performance provides a solid foundation for pavement engineers seeking relevant and applicable design and construction instruction. It relies on general principles instead of specific ones, and incorporates illustrative case studies and prime design examples to highlight the material. It presents a thorough understanding of materials selection, mixture proportioning, design and detailing, drainage, construction techniques, and pavement performance. It also offers insight into the theoretical framework underlying commonly used design procedures as well as the limits of the applicability of the procedures. All chapters have been updated to reflect recent developments, including some alternative and emerging design technologies that improve sustainability. What’s New in the Second Edition: The second edition of this book contains a new chapter on sustainability, and coverage of mechanistic-empirical design and pervious concrete pavements. RCC pavements are now given a new chapter. The text also expands the industrial pavement design chapter. Outlines alternatives for concrete pavement solutions Identifies desired performance and behavior parameters Establishes appropriate materials and desired concrete proportions Presents steps for translating the design into a durable facility The book highlights significant innovations such as one is two-lift concrete pavements, precast concrete pavement systems, RCC pavement, interlocking concrete pavers, thin concrete pavement design, and pervious concrete. This text also addresses pavement management, maintenance, rehabilitation, and overlays.
Norbert Delatte presents the circumstances of important failures that have had far-reaching impacts on civil engineering practice, organized around topics in the engineering curriculum.
This second edition of Concrete Pavement Design, Construction, and Performance provides a solid foundation for pavement engineers seeking relevant and applicable design and construction instruction. It relies on general principles instead of specific ones, and incorporates illustrative case studies and prime design examples to highlight the material. It presents a thorough understanding of materials selection, mixture proportioning, design and detailing, drainage, construction techniques, and pavement performance. It also offers insight into the theoretical framework underlying commonly used design procedures as well as the limits of the applicability of the procedures. All chapters have been updated to reflect recent developments, including some alternative and emerging design technologies that improve sustainability. What’s New in the Second Edition: The second edition of this book contains a new chapter on sustainability, and coverage of mechanistic-empirical design and pervious concrete pavements. RCC pavements are now given a new chapter. The text also expands the industrial pavement design chapter. Outlines alternatives for concrete pavement solutions Identifies desired performance and behavior parameters Establishes appropriate materials and desired concrete proportions Presents steps for translating the design into a durable facility The book highlights significant innovations such as one is two-lift concrete pavements, precast concrete pavement systems, RCC pavement, interlocking concrete pavers, thin concrete pavement design, and pervious concrete. This text also addresses pavement management, maintenance, rehabilitation, and overlays.
It is unclear, and really no longer relevant, whether the information explosion that we now contend with has been fostered by the growth of specialization and subspecialization in medicine, or vice versa. What is clear is that the two are mutually supportive and constitute what would be in endocrine parlance a short-loop positive feedback system. As a result, for most areas of medicine, even the subspecialist in that area has a problem in maintaining currency, the more general specialist has substan tial difficulty in doing so, and the generalist is tempted to abandon the effort altogether. Nevertheless, for all, both the internal pressures of conscience and self-esteem and the external pressures generated by peer review, recertifi cation, and subspecialty boards create the need for continuous self-educa tion. We are, therefore, in an era in which the means of dissemination of new information deserves as much creative attention as does its acquisition.
Addressing the interactions between the different design and construction variables and techniques this book illustrates best practices for constructing economical, long life concrete pavements. The book proceeds in much the same way as a pavement construction project. First, different alternatives for concrete pavement solutions are outlined. The desired performance and behaviour parameters are identified. Next, appropriate materials are outlined and the most suitable concrete proportions determined. The design can be completed, and then the necessary construction steps for translating the design into a durable facility are carried out. Although the focus reflects highways as the most common application, special features of airport, industrial, and light duty pavements are also addressed. Use is made of modeling and performance tools such as HIPERPAV and LTPP to illustrate behavior and performance, along with some case studies. As concrete pavements are more complex than they seem, and the costs of mistakes or of over-design can be high, this is a valuable book for engineers in both the public and private sectors.
It is abundantly clear that a number of subtle abnormalities in hypothalamic function are associated with human obesity. Some hormonal abnormalities-the diminished growth hormone responses, for example-are critically dependent on increased caloric intake and are quickly reversible with weight loss. Others, such as the blunted prolactin response to acute hypoglycemia, may persist in the reduced-obese state. Still others (e. g. , the blunted ACTH responses to insulin induced hypoglycemia) may, in some patients, first appear in the reduced-obese state. It remains uncertain whether any of these abnormalities is ever antecedent to the presence of obesity. Obviously, it is difficult to plan experiments in which the amounts of stored triglyceride, the level of caloric intake, and the state or his tory of obesity can all be individually evaluated. The issue is made even more complex by the fact that there may be subgroups of obese in whom hypothalamic function may be abnormal, whereas many obese may have nearly normal hypo thalamic function. It should be remembered that for years clinicians and investigators, working with available research tools, have ruled out pituitary or hypothalamic abnor malities as a cause of human obesity. These tools have oftentimes been no more sophisticated than skull roentgenograms and samples of excreted steroid hormones in 24-hr urine. The advent of radioimmunoassays for peptide hormones and the availability of synthetic releasing hormones have offered possibilities of studying hypothalamic function undreamed of just a few years ago.
“Mosquitoes – Identification, Ecology and Control” presents a wealth of information on the bionomics, systematics, ecology, research techniques and control of both nuisance and disease vector mosquitoes. It provides practical guidance and important information in an easily readable style, suitable for anyone involved with, or interested in mosquitoes and their management. In this new edition, 102 European species including the most important invasive species and more than 100 globally important vector and nuisance species are described. Most of them, including all European species, are presented in the fully illustrated identification keys, followed by a detailed description of the morphology, biology, distribution and medical importance of each species, including over 700 detailed drawings. “Mosquitoes – Identification, Ecology and Control” includes: · systematics and biology · medical significance · research techniques · morphological characteristics used for identification of larvae and adults · illustrated identification keys for larval and adult mosquito genera · morphology, ecology, and distribution of the species identified in the keys · biological, genetic, physical and chemical control of mosquitoes “Mosquitoes – Identification, Ecology and Control” is a valuable tool for vector ecologists, medical entomologists, students and all those involved with mosquito systematics, biology, ecology, and control world-wide. Society as a whole benefit from the implementation of carefully designed and sustainable programs for the management of mosquitoes, and the diseases they transmit. The third edition of this successful publication has been comprehensively updated and expanded, to provide the foundation of a more enlightened and informed approach to mosquito management.
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