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Sustainability in the Construction Industry

The objective of the thesis is to analyze the potentiality of material recycling to ensure the sustainability of building industry. The current practice and research initiatives in the recycling of demolition wastes and other solid wastes for different purposes in the building construction is also presented in this report.
The term "sustainability" was related to the regional development process by Gro Herlem Brundtland in the book ‘Our common Future’ based on the careful assessment about the environmental aspects of every human endeavor on earth. The objective then was to have a balanced view of all the development process which included not only the environment but also the health, social aspects, economics, politics , technology etc. In line with these, sustainable building construction was evolved that aims in the promotion of infrastructural systems with least effect on the environment like, very low energy consumption, controlled natural resource utilization, lesser social and psychological effects besides a harmonious existence with other living and non-living entities around it. One of the important ways to ensure the sustainable practices of building construction is to have proper recycling strategy to minimize the resource consumption. The major reusable portions of different types of construction materials are given in the table 1.
One of the major issues of sustainability facing the constru…
In line with these, sustainable building construction was evolved that aims in the promotion of infrastructural systems with least effect on the environment like, very low energy consumption, controlled natural resource utilization, lesser social and psychological effects besides a harmonious existence with other living and non-living entities around it. One of the important ways to ensure the sustainable practices of building construction is to have proper recycling strategy to minimize the resource consumption. The major reusable portions of different types of construction materials are given in the table 1.
Table 1
Reusability of building materials (WebUrbanist, 2007)
Type of the materials
Reusable potential
Steel
100 % of the steel used in the building could be reused. The different materials produced are reinforcing bars, meshes and sections.
Aluminum
100 % of the material could be is recycled.
Timber
Though structural reuse is very limited, timber remains could be used for the preparation of organic mulch.
Concrete
In the case of unset concrete, the proper washing could help to separate the aggregates from concrete. The hardened concrete would be reused as aggregate new concrete works or road base etc.
Brick &amp. Tiles
Less damaged pieces would be directly reused after cleaning. In the case of broken parts they could be crushed and reused as aggregate or along with the cement , being a pozzolanic material.
Gypsum
Shall be recycled in the plastic board.
Plastic
It could be easily reused after powerdering and reducing the size to granulated ones.
3.0 Reusability as sustainable solution.
One of the major issues of sustainability facing the construction industry is the dwindling rate of the natural resources. All the

Sustainability in the Construction Industry