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Sustainable Steel Buildings
A Practical Guide for Structures and Envelopes
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eBook - ePub
Sustainable Steel Buildings
A Practical Guide for Structures and Envelopes
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About This Book
Sustainable Steel Buildings reviews steel and its potential as a sustainable building material and shows how steel can be used to deliver buildings and structures with a high level of sustainability. The book's main focus is on the advantages and disadvantages of steel and how those characteristics can be used under a range of international certification systems (DGNB, LEED, BREEAM, openhouse etc).
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Yes, you can access Sustainable Steel Buildings by Milan Veljkovic, Bernhard Hauke, Markus Kuhnhenne, Mark Lawson in PDF and/or ePUB format, as well as other popular books in Architecture & Sustainability in Architecture. We have over one million books available in our catalogue for you to explore.
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Chapter 1
What does âsustainable constructionâ mean? An overview
Sustainable construction is a relatively new subject with which many of those involved in planning and construction are not familiar. It has been covered in numerous technical papers, but few of them present specific measures for implementing sustainability in the building and construction industry. This publication aims to improve the information available to those working in the construction sector using examples and guidance on steel construction in particular. The background and basic principles of how to achieve sustainable construction are presented and dealt with in a clearly structured manner. This publication also aims to convey a comprehensive understanding of sustainability and identifies the opportunities and essentials that can result from sensible implementation of sustainable steel construction strategies. The latest developments in steel construction provide a means to measure the success of the building and construction industry.
1.1 INTRODUCTION
The term âsustainableâ was first used in forestry to convey the idea that only as many trees could be felled in a given time period as were capable of growing again during the same period. A definition of the term âsustainabilityâ that is common today in the context of society can be found in the Brundtland report of the United Nations, which was published in 1987: âSustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needsâ [1]. These needs can be of an ecological, economic or social nature. A development or action is only sustainable if a minimum level of satisfaction is achieved in all areas and can be maintained in the future.
In 1992, the Earth Summit was held in Rio de Janeiro. It was an unprecedented event and attempted to establish sustainable development policies at a global scale. Among other documents, Agenda 21 was born during this conference [2]. It sought to move the interpretation of the sustainable development concept from just environmental protection to improvement of life quality and wellâbeing, generation equity, ethics and healthy conditions [3].
Twenty years later, a new summit took place in Rio â Rio +20 Conference. The two main themes discussed were (1) a green economy in the context of sustainable development and poverty eradication; and (2) the institutional framework for sustainable development. Although still concerned with environmental and economic issues, this summit concluded that eradicating poverty is the greatest global challenge nowadays.
A shift in how sustainable development is seen is apparent. It started only as an environmental concern, and currently the social aspects of sustainability are highlighted. This shows the importance of going beyond environmental protection and considering also both the economic and social aspects. It implies that environmental protection is linked to maintaining and improving equity of the present and future generations, as follows: Sustainable development should be promoted by âsustained, inclusive and equitable economic growth, creating greater opportunities for all, reducing inequalities, raising basic standards of living, fostering equitable social development and inclusion, and promoting integrated and sustainable management of natural resources and ecosystems that supports, inter alia, economic, social and human development while facilitating ecosystem conservation, regeneration and restoration and resilience in the face of new and emerging challengesâ [4].
Thus, the sustainability concept is based on the interrelation of three fields: environment, society and economy. A sustainable model should stimulate and pursue agreement and equality among the three (Figure 1.1).
1.1.1 The influence of the building sector
The building sectorâs influence on the aboveâmentioned problems is often underestimated. In 2013, âŹ1162 billion was invested in construction in the countries of the European Union (EUâ28). At the same time, the building sector was responsible for 8.8% of the EUâ28 gross domestic product (GDP), providing 29% of the industrial employment and representing 6.4% of the total employment in Europe [5]. From the environmental side, the construction sector is responsible for 34.2% of the total waste produced in EUâ28 in 2010 (851.6 million tonnes) [6]. In 2012, it was responsible for 11.7% of the greenhouse gases emission in EUâ28 and accounts for approximately 47% of raw materials extraction. Besides economic and environmental impacts, the construction industry plays a major role in society. The employment of millions of world citizens depends directly and indirectly on construction. Buildings, roads, bridges and even water and energy infrastructures are all products from this industry. Buildings have a major influence on peopleâs lives and wellâbeing. In the past 60 years the world population has doubled, and most of our lives are spent inside buildings of all types.
Taking a closer look at buildings, their impact on peopleâs lives is considerable. Data from the World Health Organization confirms that 90% of a personâs lifetime is spent inside buildings [7]. With the current patterns, the expansion of the built environment will affect the natural habitats on more than 70% of earthâs land by 2032 [8]. The economic influence of the property sector has also increased. Properties are now closely linked to the global finance markets via funds and credit guarantees. The last financial crisis showed the macroeconomic impacts that property can have. This clearly demonstrates that acting responsibly in the building sector can also result in an important contribution to preservation of the environment and conservation of resources as well as to economic efficiency.
This background data shows the influence of construction on the three pillars of sustainability. Charles Kibert defended this importance during the first international conference on sustainable construction in Tampa in 1994. He introduced the concept of âsustainable constructionâ as being âthe creation and the responsible management of a healthy built environment based on resource efficient and ecological principlesâ [9]. He highlighted the need for a lifeâcycle approach considering the impacts from the raw materialsâ extraction to the buildingâs demolition [10]. With this holistic view, the following principles to achieve construction sustainability can be defined:
- efficiently use resources to avoid depletion of raw materials (energy, water and soil);
- protect ecosystems (waste, emissions, pollutants, land use);
- recycle...
Table of contents
- Cover
- Title Page
- Table of Contents
- List of contributors
- Preface
- Chapter 1: What does âsustainable constructionâ mean? An overview
- Chapter 2: Legal background and codes in Europe
- Chapter 3: Basic principles of sustainability assessment
- Chapter 4: Sustainable steel construction
- Chapter 5: Sustainability certification labels for buildings
- Chapter 6: Case studies and lifeâcycle assessment comparisons
- Index
- End User License Agreement