advances in cement based materials proc int conf advanced concrete materials 17 19 nov 2009 stellenbosch south africa

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Advances In Cement Based Materials

Author : Gideon P.A.G. Van Zijl
ISBN : 0415876370
Genre : Technology & Engineering
File Size : 77. 74 MB
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Collection of selected papers on current advances in high performance construction materials. Contributions deal with the development, characterization, application procedures, performance and structural design of materials with key potential in civil engineering works. Materials treated are fibre reinforced concrete, high performance concrete, self compacting concrete and novel combinations of these. For researchers, practitioners, consultants, contractors and suppliers.

Durability Of Strain Hardening Fibre Reinforced Cement Based Composites Shcc

Author : Gideon P.A.G. van Zijl
ISBN : 9400703384
Genre : Technology & Engineering
File Size : 54. 73 MB
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Strain-Hardening Fibre-Reinforced Cement-Based Composites (SHCC) were named after their ability to resist increased tensile force after crack formation, over a significant tensile deformation range. The increased resistance is achieved through effective crack bridging by fibres, across multiple cracks of widths in the micro-range. Whether these small crack widths are maintained under sustained, cyclic or other load paths, and whether the crack width limitation translates into durability through retardation of ingress of moisture, gas and other deleterious matter, are scrutinized in this book by evaluation of test results from several laboratories internationally. The durability of SHCC under mechanical, chemical, thermal and combined actions is considered, both for the composite and the fibre types typically used in SHCC. The compilation of this state-of-the-art report has been an activity of the RILEM TC 208-HFC, Subcommittee 2: Durability, during the committee life 2005-2009.

The New Harvest

Author : Calestous Juma
ISBN : 9780190237233
Genre : Agricultural innovations
File Size : 61. 10 MB
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African agriculture is currently at a crossroads, at which persistent food shortages are compounded by threats from climate change. But, as this book argues, Africa can feed itself in a generation and can help contribute to global food security. To achieve this Africa has to define agriculture as a force in economic growth by advancing scientific and technological research, investing in infrastructure, fostering higher technical training, and creating regional markets.

Self Healing Phenomena In Cement Based Materials

Author : Mario de Rooij
ISBN : 9789400766242
Genre : Technology & Engineering
File Size : 42. 11 MB
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Self-healing materials are man-made materials which have the built-in capability to repair damage. Failure in materials is often caused by the occurrence of small microcracks throughout the material. In self-healing materials phenomena are triggered to counteract these microcracks. These processes are ideally triggered by the occurrence of damage itself. Thus far, the self-healing capacity of cement-based materials has been considered as something "extra". This could be called passive self-healing, since it was not a designed feature of the material, but an inherent property of it. Centuries-old buildings have been said to have survived these centuries because of the inherent self-healing capacity of the binders used for cementing building blocks together. In this State-of-the-Art Report a closer look is taken at self-healing phenomena in cement-based materials. It is shown what options are available to design for this effect rather than have it occur as a "coincidental extra".

Towards A Sustainable Bioeconomy Principles Challenges And Perspectives

Author : Walter Leal Filho
ISBN : 9783319730288
Genre : Science
File Size : 60. 44 MB
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This book gathers contributions from scientists and industry representatives on achieving a sustainable bioeconomy. It also covers the social sciences, economics, business, education and the environmental sciences. There is an urgent need to optimise and maximise the use of biological resources, so that primary production and processing systems can generate more food, fibre and other bio-based products with less environmental impacts and lower greenhouse gas emissions. In other words, we need a “sustainable bioeconomy” – a term that encompasses the sustainable production of renewable resources from land, fisheries and aquaculture environments and their conversion into food, feed, fibre bio-based products and bio-energy, as well as related public goods. Despite the relevance of achieving a sustainable bioeconomy, there are very few publications in this field. Addressing that gap, this book illustrates how biological resources and ecosystems could be used in a more sustainable, efficient and integrated manner – in other words, how the principles of sustainable bioeconomy can be implemented in practice. Given its interdisciplinary nature, the field of sustainable bioeconomy offers a unique opportunity to address complex and interconnected challenges, while also promoting economic growth. It helps countries and societies to make a transition and to use resources more efficiently, and shows how to rely less on biological resources to satisfy industry demands and consumer needs. The papers are innovative, cross-cutting and include many practice-based lessons learned, some of which are reproducible elsewhere. In closing, the book, prepared by the Inter-University Sustainable Development Research Programme (IUSDRP) and the World Sustainable Development Research and Transfer Centre (WSD-RTC), reiterates the need to promote a sustainable bioeconomy today.

Urban Transport Xxiii

Author : C.A. Brebbia
ISBN : 9781784662097
Genre : Transportation
File Size : 43. 37 MB
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Forming the 23rd addition to a successful series, this book contains papers presented by an extensive selection of international delegates at the 23rd International Conference on Urban Transport and the Environment. Due to its continued success and multiplicity of topics, the series is considered to be a leading source of new research in the area of transport engineering. Transportation in urban areas, with its related environmental and social impacts, is of significant concern for government policymakers and for the urban citizens who need efficient transport systems. Extensive reviews of these systems are required to devise and then safeguard their operational use, maintenance, safety and security. The continuing requirement for better and more efficient urban transport systems and the need for a healthier environment has added to the increasing international desire for new technologies and developments in this essential field. The variety of topics covered reflects the complex interaction of urban transport systems with their environment and the need to establish integrated strategies. These topics include: Public transport systems; Urban transport planning and management; Environmental impact; Economic and social impact; Safety and security; Transportation modelling and simulation; Intelligent and advanced transport systems; City logistics; Inter-modal transport systems; Mass transport strategies; Freight transport; Railway systems; Port and city; Mobility and public space; Innovative electric transportation; Eco-mobility transport systems; Integrated network systems; Traditional and alternative fuels and energy; Public policies and governance.

Properties Of Fresh And Hardened Concrete Containing Supplementary Cementitious Materials

Author : Nele De Belie
ISBN : 9783319706061
Genre : Technology & Engineering
File Size : 87. 65 MB
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This volume represents the current knowledge on the effect of SCMs (slag, fly ash, silica fume, limestone powder, metakaolin, natural pozzolans, rice husk ash, special SCMs, ternary blends) on the properties of fresh and hardened concrete (e.g. early strength development, workability, shrinkage) and curing requirements. Other topics treated in the book are postblending vs preblending, implications of SCM variability, interaction between SCM and commonly used admixtures (e.g. superplasticizers, air entrainers).

The European Union And Global Development

Author : Stefan Gänzle
ISBN : 9780230319677
Genre : Business & Economics
File Size : 74. 91 MB
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Many of the central issues faced by EU Foreign Policy - such as state fragility, illegal migration and environmental degradation - are challenges of global development. For European policymakers the increasing importance of development as an external relations priority will demand the refinement of existing instruments and the testing of new approaches. This book addresses debates on how the EU manages various modes of governance in development policymaking, its engagement with other global actors and the effectiveness of its policy formulation and implementation. Given the restrictions of policymaking in an environment characterised by uncertainty, difficulty and complexity, the contributions to this volume explore decision-making and implementation across a wide range of issue-areas with the objective of highlighting choices that could improve the coherence, and thus the effectiveness, of European policy for global development. -- Publisher description.

The Maudsley Prescribing Guidelines In Psychiatry

Author : David Taylor
ISBN : 9781118323250
Genre : Medical
File Size : 61. 11 MB
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Helps with complex prescribing needs The evidence base for drug treatments in psychiatry ranges from meta-analyses and randomised controlled clinical trials to single case reports, and from NICE guidelines to individual SPCs. Where do you look for information when transferring a patient from one drug to another? Where do you find a clear overview when dealing with a complex patient (e.g, with co-morbid epilepsy or liver disease or HIV infection)? Where can you seek advice on prescribing psychotropics during pregnancy? The Maudsley Prescribing Guidelines in Psychiatry! The leading clinical reference for handling prescribing problems as encountered in daily practice and for formulating prescribing policy. Evidence-based and written by experts This book is the essential guide for anyone responsible for prescribing, dispensing or administering drugs for patients with mental health disorders. All the evidence has been reviewed and summarized succinctly by an expert team of psychiatrists and pharmacists. New content and improved format This new edition makes greater use of tables and boxes to facilitate quick reference and includes new sections on cytochrome-mediated interactions and psychiatric side effects of non-psychotropic drugs. Clinically relevant Chapters address plasma monitoring, schizophrenia, bipolar disorder, depression and anxiety, children and adolescents, substance abuse and special patient groups. Each section has a full reference list. The book covers prescribing drugs outside their licensed indications and their interaction with substances such as alcohol, nicotine and caffeine. Useful for all levels of experience Trainees will gain important information regarding the rational, safe and effective use of medications for patients with mental illness. Experienced clinicians will find excellent guidance regarding more complex issues that they may not encounter regularly. Why the Maudsley Prescribing Guidelines in Psychiatry? Long recognized as an international trailblazer in mental health care, the Maudsley Hospital earned its reputation for excellence in both in-patient and community care. It is highly regarded for its research, and pioneered the use of clinical neuroscience. You can trust The Maudsley Prescribing Guidelines in Psychiatry to be scientifically sound and clinically effective.

Polyolefin Compounds And Materials

Author : Mariam Al-Ali AlMa'adeed
ISBN : 9783319259826
Genre : Technology & Engineering
File Size : 53. 17 MB
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This book describes industrial applications of polyolefins from the researchers' perspective. Polyolefins constitute today arguably the most important class of polymers and polymeric materials for widespread industrial applications. This book summarizes the present state of the art. Starting from fundamental aspects, such as the polymerization techniques to synthesize polyolefins, the book introduces the topic. Basic knowledge about polyolefin composites and blends is explained, before applications aspects in different industry sectors are discussed. The spectrum comprises a wide range of applications and industry sectors, such as the packaging and food industry, the textile industry, automotive and buildings, and even biomedical applications. Topics, which are addressed in the various chapters, comprise synthesis and processing of the materials; their classification; mechanical, physical and technical requirements and properties; their characterization; and many more. In the end of the book, even the disposal, degradation and recycling of polyolefins are addressed, and light is shed on their commercial significance and economic value. In this way, the book follows the entire 'lifetime' of polyolefin compounds and materials: from their synthesis and processing, over applications, to the recycling and reuse of disposed or degraded polyolefin substrates.

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