In light of the development of world concrete and construction, we see an
evolution in the focus and direction of
Safety→Durability - > Serviceability/Functionality →Sustainability
It is important in this context to learn at least two things:
●All the components in the evolution process are closely linked to each
other and function upon need instead of occurring and existing inde-
pendently or replacing one by another.
●The latest developed component, sustainability, has not only evolved
from the previous components, but works as a function of them as well.
We therefore believe that sustainability is not only an environmental
issue, but is indeed a holistic thinking/approach that can be considered
the function of safety, durability, functionality and economical feasibility,
environmental compatibility, and social responsibility. The level and mag-
nitude of each component to sustainability varies depending on the specific
requirement of the target and local boundary conditions.
We have, over recent decades, seen a growing worldwide concern and
understanding of sustainability issues, not only in society in general, but
also in the cement and concrete industry. The increased focus on climate
change has definitely been an important catalyst in this process. There is
hardly any doubt about the importance of greenhouse gas emission and the
negative effects of climate change. However, sustainable development and
environmental issues are much more than this.
This book tries to provide readers with the widest possible views on the
sustainability issues of concrete, the world's largest construction material,
the complexity of the challenges from different angles, and the versatility
and possibilities of solutions to address these challenges. It is a method-
ologically technical book on concrete and sustainability, rather than only a
concrete scientific book, to encourage the readers to think, understand, and
 

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