Adhesion Problems In The Recycling Of Concrete
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Adhesion Problems In The Recycling Of Concrete
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Author : Pieter C. Kreijger
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Adhesion Problems In The Recycling Of Concrete written by Pieter C. Kreijger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Technology & Engineering categories.
The building explosion during the years 1945-1960 will inevitably lead to increased demolition in the next decades since the lifetime distribution of structures no longer fulfills its functional social requirements in an acceptable way. In the building period mentioned there was a great increase in reinforced and prestressed concrete construction. Consequently there is now more and more concrete to be demolished. Increasingly severe demands will be made upon demolition technology, including the demand for human- and environment-friendly techniques. On the other hand, the possibility of disposing of debris by dumping is steadily diminishing, especially close to major cities and generally in countries with a high population density. At the same time in such countries and in such urban areas a shortage of aggregates for making concrete will develop as a result of restrictions on aggregate working because of its effect on the environment and because of the unavailability of aggregate deposits due to urban development. From the foregoing it follows that recycling and re-use of environment- and human-friendly demolished and fragmented building rubble should be considered. The translation of this general problem into terms of materials science is possible by forming clear ideas of adhesion and cohesion: the whole process of demolition, fragmentation, and recycling or re-use of concrete is to break the bonding forces between atoms and molecules and to form new bonds across the interfaces of various particles of either the same nature or a different nature.
Recycling Of Demolished Concrete And Masonry
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Author : T.C. Hansen
language : en
Publisher: CRC Press
Release Date : 1992-05-28
Recycling Of Demolished Concrete And Masonry written by T.C. Hansen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-05-28 with Architecture categories.
This new RILEM report contains state-of-the-art reviews on three topics: recycling of demolished concrete, recycling of masonry rubble and localized cutting by blasting of concrete. It has been compiled by an international RILEM Committee and draws on research and practical experience worldwide.
Concrete Surface Engineering
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Author : Benoit Bissonnette
language : en
Publisher: CRC Press
Release Date : 2018-10-09
Concrete Surface Engineering written by Benoit Bissonnette and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-09 with Technology & Engineering categories.
Applying any material to an existing concrete surface intrinsically entails the development of a bond. Considering the ever increasing importance of concrete repair and protection, which imply the creation of an interface between two materials, an improved knowledge of concrete surface characteristics is paramount. Surface engineering, which has evolved from the world of metallurgy, addresses all surface-related considerations, notably adhesion. It provides a fundamental understanding of what will make the contact between two materials effective or not, allowing for interactions of variable intensity. It also comes with a variety of scientific tools for characterizing the quality of the substrate, the properties of the new material layer and their interface. In the case of concrete surface treatment, this is especially important for achieving lasting results. This book addresses the essentials of concrete surface engineering in view of a wide variety of concrete surface treatments, from protective coatings to repairs. It provides a leading-edge source of information for practicing engineers, architects, repair specialists, and researchers on the following topics: Surface engineering principles applied to concrete Methods and techniques for assessing concrete surface characteristics Fundamentals of adhesion between concrete and surface repairs/treatments Compatibility requirements for concrete surface repairs/treatments Review of surface preparation techniques available for concrete Achievement and appraisal of bond between existing concrete and surface repairs/treatments Benoît Bissonnette is professor of civil engineering at Laval University in Quebec City, Canada. Luc Courard is professor of building materials at the University of Liège in Belgium. Andrzej Garbacz is professor of building materials engineering in the Department of Building Materials Engineering at the Warsaw University of Technology in Poland.
Developments In The Formulation And Reinforcement Of Concrete
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Author : S. Mindess
language : en
Publisher: Elsevier
Release Date : 2014-01-23
Developments In The Formulation And Reinforcement Of Concrete written by S. Mindess and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-23 with Technology & Engineering categories.
Concrete is the most widely-used construction material in the world. This important book summarises the wealth of recent research on improving qualities such as durability and sustainability as well as the emergence of a new generation of specialist concretes for particular applications. A number of chapters discuss new types of concrete such as autoclaved aerated concrete, high-strength concrete, sprayed concrete, fibre-reinforced concrete, lightweight concrete, self-compacting concrete, foamed and polymer concrete, together with their characteristics and applications. Other chapters review the development of concrete especially suited for particular conditions such as radiation protection, hot weather and underwater conditions, as well as the increasingly important area of recycling. With its distinguished editor and international team of contributors, Developments in the formulation and reinforcement of concrete is a standard reference for civil and structural engineers. Summarises a wealth of recent research on improving qualities such as sustainability and durability Discusses new concrete types together with their characteristics and applications Reviews the development of concrete especially suited to particular conditions such as hot weather and under water
3rd Phd Symposium In Vienna Austria Vol1
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Author : FIB – International Federation for Structural Concrete
language : en
Publisher: FIB - Féd. Int. du Béton
Release Date : 2000-10-01
3rd Phd Symposium In Vienna Austria Vol1 written by FIB – International Federation for Structural Concrete and has been published by FIB - Féd. Int. du Béton this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-10-01 with Technology & Engineering categories.
Protection Of Concrete
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Author : Ravindra Dhir
language : en
Publisher: CRC Press
Release Date : 2003-09-02
Protection Of Concrete written by Ravindra Dhir and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-09-02 with Architecture categories.
Concrete is arguably the major construction material used worldwide. It has generally served well, yet too often it has failed to achieve the required performance. Although developments in materials and practice have widened the scope for the use of concrete, they have also had effects on its performance. This book presents current thinking and future developments on means of protecting concrete and ensuring its adequate performance in the required application.
Application Of Fracture Mechanics To Cementitious Composites
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Author : S.P. Shah
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Application Of Fracture Mechanics To Cementitious Composites written by S.P. Shah and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Portland cement concrete is a relatively brittle material. As a result, mechanical behavior of concrete, conventionally reinforced concrete, prestressed concrete, and fiber reinforced concrete is critically influenced by crack propagation. It is, thus, not surprising that attempts are being made to apply the concepts of fracture mechanics to quantify the resistance to cracking in cementious composites. The field of fracture mechanics originated in the 1920's with A. A. Griffith's work on fracture of brittle materials such as glass. Its most significant applications, however, have been for controlling brittle fracture and fatigue failure of metallic structures such as pressure vessels, airplanes, ships and pipe lines. Considerable development has occurred in the last twenty years in modifying Griffith's ideas or in proposing new concepts to account for the ductility typical of metals. As a result of these efforts, standard testing techniques have been available to obtain fracture parameters for metals, and design based on these parameters are included in relevant specifications. Many attempts have been made, in the last two decades or so, to apply the fracture mechanics concepts to cement, mortar, con crete and reinforced concrete. So far, these attempts have not led to a unique set of material parameters which can quantify the resistance of these cementitious composites to fracture. No standard testing methods and a generally accepted theoretical analysis are established for concrete as they are for metals.
Adhesion In Cellulosic And Wood Based Composites
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Author : John F. Oliver
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Adhesion In Cellulosic And Wood Based Composites written by John F. Oliver and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
Cellulose is a versatile and renewable natural resource which has attracted increasing attention in the last decade, expecially after the energy crisis of 1973. Apart from its extensive use as asolid product, wood is the most important source of cellulose fibres for papermaking and is also widely used as a source of energy. The form and availability ot· the forest provides a great opportunity for technological improvement and innovation in the future to satisfy the foreseeable increasing demand for wood based products. For example, North American sawmills and plywood mills presently recover only about 45 to 55% of logged wood while the remainder is disposed as waste, if it is not used in pulp manufacturing. In addition, top and branch wood, and logs from non-commercial species which are presently not recovered from the logging sites could provide an abundant and relatively inexpensive resource for the manufacture of composite products. Other valuable potential sour ces of cellulosic materials are waste paper and agricultural waste. A composite is the consolidation of two polymerie materials such that one of the components acts as the adhesive binder while the other forms the substrate matrix. In some cases, the matrix and the adhesive may be the same materials. To maximize the adhesion potential of the composite, the properties of the substrate which can enhance, hinder or complicate the development of optimum adhesion should be thoroughly explored and identified.
The Science And Technology Of Cement And Other Hydraulic Binders
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Author : Vipin Kant Singh
language : en
Publisher: Elsevier
Release Date : 2023-02-21
The Science And Technology Of Cement And Other Hydraulic Binders written by Vipin Kant Singh and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-21 with Technology & Engineering categories.
The Science and Technology of Cement and other Hydraulic Binders covers the design of Portland Cement composition using the ideas and formulae of earlier scientists, including the calculation of proportions of different cement phases formed during processing. Other chapters cover cement manufacture by dry, semi-dry or wet processes using rotary and shaft kilns. Particular attention is given to the physical changes that occur in the raw mix when affected by chemical processes. The chemistry of clinker formation which is concerned chiefly with high temperature reactions in the solid-state phase or reactions in the presence of the liquid phase is also discussed. Users will find the latest information on the storage of cement, its packing and handling, hydration and setting, Gypsum, different mineral additions, and advances in special and newer cements, including blended cements, Portland slag cement, Pozzolanic cements, high alumina cements, high-strength cement-based materials, fiber-reinforced cement, non-Portland cements and lime. Covers raw materials, cement design and manufacturing, fuels used in manufacturing, phase balances, clinker training, hydration and setting Includes various types of cement, mineral additions, high strength cement and different cement-based materials Presents information on activated alkaline materials, recycled cements and novel additions Discusses future trends in cement manufacturing and the circular economy Contains a high number of figures, tables and reference data
Pro 42 1st International Rilem Symposium On Design Performance And Use Of Self Consolidating Concrete Scc 2005 China
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Author : Zhiwu Yu
language : en
Publisher: RILEM Publications
Release Date : 2005
Pro 42 1st International Rilem Symposium On Design Performance And Use Of Self Consolidating Concrete Scc 2005 China written by Zhiwu Yu and has been published by RILEM Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Concrete categories.