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Life cycle assessment (LCA) of different concrete mixtures and an application in a green building
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index.pdf
Date
2019
Author
Tükenmez, Elif
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Concrete is the most utilized building materials on a global scale. Raw materials and energy are required in high quantity for the production phase of the concrete which mainly consists of cement, aggregate, water and admixtures. This causes significant environmental concern for the sustainable development of the building sector. Therefore, environmental impact assessment studies conducted for concrete production are gaining importance, over the last two decades. Life Cycle Assessment (LCA) is the most effective and widespread method used to assess the impacts of the concrete production phases over their entire life from cradle to grave. Numerous LCA studies have been conducting to evaluate the environmental impacts of the green concrete mixtures produced by substituting the cement and natural aggregate with industrial by-products and recycled aggregate, respectively. In this study, it is aimed to analyze the environmental impacts of several green concrete mixtures by means of LCA. For this purpose, cradle to gate LCA analyses was conducted for 21 green concrete mixtures constituted by using multivariate combinations with supplementary cementitious materials such as fly ash, blast furnace slag, silica fume, natural pozzolan and limestone powder and / or recycled aggregate. In addition, environmental impacts of concrete were assessed cradle to grave through integration of these constituted green concrete mixtures to the LCA study which was conducted for the green building that certificated by Leadership in Energy and Environmental Design (LEED) rating system in Turkey. SimaPro software and CML impact assessment method was used in the LCA studies.
Subject Keywords
Concrete
,
Concrete Additives.
,
Concrete Production
,
Supplementary Cementitious Materials
,
Life Cycle Assessment
,
Concrete Mixtures.
URI
http://etd.lib.metu.edu.tr/upload/12624492/index.pdf
https://hdl.handle.net/11511/44285
Collections
Graduate School of Natural and Applied Sciences, Thesis