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This book contains the contributions from the RILEM International Symposium on Materials and Joints in Timber Structures that was held in Stuttgart, Germany from October 8 to 10, 2013. It covers recent developments in the materials and the joints used in modern timber structures. Regarding basic wooden materials, the contributions highlight the widened spectrum of products comprising cross-laminated timber, glulam and LVL from hardwoods and block glued elements. Timber concrete compounds, cement bonded wood composites and innovative light-weight constructions represent increasingly employed alternatives for floors, bridges and facades. With regard to jointing technologies, considerable advances in both mechanical connections and glued joints are presented. Self-tapping screws have created unprecedented options for reliable, strong as well as ductile joints and reinforcement technologies. Regarding adhesives, which constitute the basis of the jointing/laminating technology of modern timber products, extended options for tailor-made bonding solutions have to be stated. Apart from melamine-urea and phenolic-resorcinol adhesives, one-component-polyurethanes, emulsion isocyanate polymers and epoxies offer a wide range of possibilities. The contributions dealing with experimental and numerical investigations on static, cyclic and seismic behavior of structures clearly reveal the enhanced potential of modern timber construction for reliable and sustainable buildings and bridges of the new millennium. The book is structured in nine thematic areas, being I) Structures II) Mechanical Connections III) Glued Joints and Adhesives IV) Timber and Concrete/Cement/Polymer Composites V) Cyclic, Seismic Behavior VI) Hardwood, Modified Wood and Bamboo VII) Cross-Laminated Timber VIII) Properties and Testing of Wood IX) Glulam
Over the past 10-15 years a renaissance in wood architecture has occurred with the development of new wood building systems and design strategies, elevating wood from a predominantly single-family residential idiom to a rival of concrete and steel construction for a variety of building types, including high rises. This new solid wood architecture offers unparalleled environmental as well as construction and aesthetic benefits, and is of growing importance for professionals and academics involved in green design. Solid Wood provides the first detailed book which allows readers to understand new mass timber/massive wood architecture. It provides: historical context in wood architecture from around the world a strong environmental rationale for the use of wood in buildings recent developments in contemporary fire safety and structural issues insights into building code challenges detailed case studies of new large-scale wood building systems on a country-by-country basis. Case studies from the UK, Norway, Sweden, Germany, Austria, Italy, Canada, the United States, New Zealand and Australia highlight design strategies, construction details and unique cultural attitudes in wood design. The case studies include the most ambitious academic, hospitality, industrial, multi-family, and wood office buildings in the world. With discussions from leading architectural, engineering, and material manufacturing firms in Europe, North America and the South Pacific, Solid Wood disrupts preconceived notions and serves as an indispensable guide to twenty-first century wood architecture and its environmental and cultural benefits.
The “old” material of wood has been used to construct dwellings of different types since the dawn of mankind. And not without reason. Its low density combined with high rigidity, good processability, and its resistance makes it an excellent building material. There is currently a pioneering renaissance of the timber construction, for two distinct reasons: first, wood is increasingly being rediscovered as one of the most important renewable raw materials for sustainable construction. Moreover, a revolution in the construction of timber structures began several years ago with the ever-progressive use of three-dimensional CAD models for digitally controlled robot manufacturing The book documents these developments, in particular the engineering bonding techniques, the introduction of digital production techniques, and the innovative material developments of this material. The chapter on composite structures and experimental structures specifically address trends toward the future-oriented dimensions of timber construction. In the final section, outstanding designs are documented in detail, such as the Club House of Haesley Nine Bridges Golf Course designed by Shigeru Ban in Yeoju, South Korea, and the double gymnasium in Borex-Crassier, Switzerland, by Graeme Mann and Patricia Capua Mann.
Providing complete and up-to-date coverage for NVQ levels 2 and 3, this title has been revised and redesigned to provide an overview of recent changes to NVQ specifications, as well as new construction legislation.
For nearly 60 years, Timber: Structure, Properties, Conversion, and Use has been the authoritative text on timber technology. Now in its seventh edition, this book remains a vital resource, providing accurate, comprehensive, and fact-driven information for students and professionals in the field. From basic coverage of timber structure, properties, processing, and utilization, to more in-depth scientific investigations, this book covers all the issues and topics of concern to readers with a wide range of levels of sophistication. Timber technology has not stood still since the last revision; Timber: Structure, Properties, Conversion, and Use has kept the pace, exploring such high-tech topics as computer-aided wood identification and log conversion, radio frequency drying of wood, enhancement of wood with plastics, application of preservatives with high-pressure vacuum systems, and the development and application of flame-retardant solutions. Other timely updates include enlarging the chapter on mechanical performance to cover elastic behavior, toughness, and the use of structural-sized timber for strength tests. The chapter on board materials has also been extensively updated and enlarged to include information on new boards and structural composites that have emerged since the last edition. One of the most important strengths of Timber: Structure, Properties, Conversion, and Use is its versatility as a reference for timber professionals while remaining approachable to students in the field. Evidence of the book?s comprehensiveness and versatility becomes clear as it teaches readers about such wide-ranging topics as: identification and nomenclature of timbers variability in cellular features between species principal chemical constituents in timber structural variability caused by natural defects such as bark pockets, resin streaks, and brittleheart determination of density and moisture content in timber thermal and acoustic properties of wood conversion equipment such as circular saws, band saws, frame saws, and chipper canters health and safety issues in the industry adhesives, metal connectors, and joint design forest and millyard pests application of preservatives and finishes From basic identification and timber nomenclature to methods of sap displacement and tests of electrical conductivity, Timber: Structure, Properties, Conversion, and Use covers it all. And while it is no longer possible for any one individual to write authoritatively on every aspect of timber technology, embracing as it does structure, properties, conversion, utilization, and behavior in service, J. M. Dinwoodie has gathered expert opinions and expanded on original author H. E. Desch?s approach and vision to continue to provide the authoritative text on timber technology.
Timber: Its Nature and Behaviour adopts a materials science approach to timber and comprehensively examines the relationship between the performance of timber and its structure. This book explains a wide range of timbers physical and mechanical behaviour (including processing) in terms of its basic structure and its complex interaction with moisture. The performance of timber and panel products is also related to the levels set in new European specifications and with the associated methods of testing.
Mass Timber / Design and Research presents new research and design work with Mass Timber, a new construction technology, well-known in Europe, but relatively unfamiliar in the United States. Leading the Mass Timber design dialogue in the US, the author, Susan Jones, an architect in Seattle, Washington, has been pioneering the new, innovative use of wood over the past six years, since she built her own family's house from cross-laminated timber in 2015 in a neighborhood in Seattle. The book presents her Seattle firm, her family, and her University of Washington students' years of research and design. Opening with the story of three generations of her family's own sustainable forest practices, the book presents research into Pacific Northwest forestry, timber and Cross-Laminated Timber manufacturing practices, to carbon analysis and carbon comparisons between standard building construction assemblies and technologies; and concludes with the design of model buildings both designed and built by her firm, atelierjones and her University of Washington students: including a single-family house, a church, schools, multi-family housing, and a twelve-story Tall Timber Wood Innovation tower on the University of Washington campus in Seattle.
As synthetic materials and mutant and hybrid concoctions attain prominence in our daily lives—in our handheld devices, cooking utensils, vehicles, even things as simple as our shopping bags—the design and construction industries have instead re-embraced the familiar, the conventional—wood, which has regained prominence through innovations in engineering and construction methodologies. Technology is now commonly used—and often (though not always) affordably used—to cut, perforate, assemble, erect, and even fabricate materials in a manner not previously possible. Wood is one such material, and Timber in the City documents both the imaginings of those in the nascence of their education and practice and the executed work of design professionals at the leading edge of architecture. These designers, regardless of the duration of their immersion in the field, have imaginatively rethought the means by which we build and the methods by which we define space merely through differing deployments of a familiar building material.
A transition from traditional building with wood to timber construction engineering took place at the beginning of the 20 th Century. The development of laminated timber construction and new joining techniques made wood a viable alternative material to steel and concrete, but it was the realisation of a number of awe-inspiring structures in the 1960a??s that captured public attention. This publication examines the technical developments in historical context and illustrates these with exemplary applications, thus providing invaluable fundamental knowledge for construction engineers, architects and carpenters. Although focusing on Switzerland, it also includes numerous international projects either built by Swiss architects and engineers, or with a strong influence on the Swiss construction scene.