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Concrete is the most used building material. Its main component, cement, however, accounts production- related for up to 10 % of global CO2 emissions and is therefore a major contributor to human-induced climate change. Due to its low tensile strength, concrete must be further enhanced in tension with adequate reinforcement, such as steel. Producing the latter therefore additionally impacts the environment. Consequently, reducing the material amount for design and construction of structures, thus lowering material- and transport-induced emissions, represents a key element to climate…mehr

Produktbeschreibung
Concrete is the most used building material. Its main component, cement, however, accounts production- related for up to 10 % of global CO2 emissions and is therefore a major contributor to human-induced climate change. Due to its low tensile strength, concrete must be further enhanced in tension with adequate reinforcement, such as steel. Producing the latter therefore additionally impacts the environment. Consequently, reducing the material amount for design and construction of structures, thus lowering material- and transport-induced emissions, represents a key element to climate protection. In this context, meeting the essential requirements ? sustainability, serviceability, durability ? is yet indispensable.
The book presents innovative optimization aided design methods for concrete structures. Mathematical optimization is applied to practical problems of structural concrete at each level: from external, through internal structure identification to cross-section design. It is shown how to design resource-efficient structures following the flux of forces, how to optimally adapt reinforcement layouts to the internal force flow, and how to efficiently cope with demanding cross-sectional design tasks such as biaxial bending.
The optimization aided design methods are discussed in detail and described vividly. They are independent of standards, concrete material (normal to ultra-high performance) and reinforcement type (steel fibers to carbon bars), thus universally applicable. The book illustrates the different approaches with numerous figures and calculation examples. Existing applications in structural engineering are presented to demonstrate the potential of optimization aided design concepts, including ultra-lightweight hybrid beams, thin concrete solar collectors, and improved reinforcement layouts for tunnel lining segments.

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Autorenporträt
Georgios Gaganelis ist Planungsingenieur für Ingenieurbauwerke und freiberuflicher Berater im Bereich der Strukturoptimierung. Seine Promotion erhielt er 2020 an der Ruhr-Universität Bochum mit einer Arbeit über Optimierungsstrategien für Beton- und Stahl-Beton-Verbundtragwerke. Seine Forschungsinteressen liegen in der topologischen Optimierung und der baustoffgerechten Steuerung der Formfindung. Ein Schwerpunkt liegt auf ultra-leichten Konstruktionen, die mit minimalen Materialmengen auskommen. Peter Mark ist Universitätsprofessor für Massivbau an der Ruhr-Universität in Bochum. Er forscht auf den Gebieten der angewandten Optimierungsmethoden und des Betonleichtbaus seit 20 Jahren. Er promovierte 1994 und habilitierte sich 2006. Er ist Beratender Ingenieur und Prüfingenieur für Baustatik seit 2008 und maßgeblich beteiligt an zahlreichen Projekten des Brücken-, Tunnel- und Hochbaus. Patrick Forman ist Oberingenieur am Lehrstuhl für Massivbau an der Ruhr-Universität Bochum. Seine Promotion schloss er 2016 ab. Seit über 10 Jahren forscht er zu leichten Schalen und Stabstrukturen aus Hochleistungsmaterialien mit verschiedenartigen Optimierungsmethoden. Aktuell ist er Geschäftsführer und technischer Leiter eines interdisziplinären Großforschungsprogramms zu adaptiven Modulbauweisen.
Rezensionen
There is hardly a topic among building professionals that is discussed more intensively than sustainable construction. (?) In view of the continuing increase in the world's population, we will not build less, but more. Contrary to this, we need to radically limit resource consumption and CO2 emissions. It is obvious that in the future, building will have to be completely different, not just marginally, but fundamentally. (?)
The methods, procedures and calculations described in this book represent an important step towards a kind of building that has little to do with the way we know it today. And this is a good thing.
(Prof. Dr.-Ing. Dr.-Ing. E. h. Manfred Curbach in his foreword.)

The introduction of state-of-the-art optimization methods [to concrete design] and the resulting minimum-material component shapes, which also have a minimized need for reinforcing steel (?), promote construction with concrete that is characterized by considerable material savings and thus considerable emission savings for the same utility value and durability. Supported by clearly understandable descriptions and a large number of examples, readers will find their way around quickly and easily. This makes it much easier to understand the subject matter, which is not always simple.
This book provides a significant contribution to establishing a new foundation for building with concrete, this wonderful building material for everyone and for almost everything.
(Prof. em. Dr. Dr. E. h. Dr. h. c. Werner Sobek in his foreword.)
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