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Ceramic and mixed construction and demolition wastes (CDW): a technically viable and environmentally friendly source of coarse aggregates for the concrete manufacture

Desirée Rodríguez (2016)
abstract
Nowadays, it is widely recognized that construction and demolition wastes (CDW) pose a significant environmental problem. However, in spite of the interest that the topic of their reutilization in the construction industry has aroused among worldwide researchers, the actual practice regarding the use of recycled aggregates from CDW is limited to low level applications (mostly as unbound materials). This fact is especially true for recycled aggregates containing ceramic materials, which are commonly regarded as impurities. The aim of this study was to move towards a high value recycling of CDW. Thus, the objective of the PhD thesis was twofold; first, the analysis of the engineering properties of recycled aggregates from CDW with varying percentages of ceramic waste and, secondly, the performance assessment of four recycled concrete mixtures made with a 50% substitution of the natural coarse aggregates by means of a comprehensive set of tests, both in fresh and hardened state. Overall, the results of this doctoral research demonstrated the feasibility of using recycled aggregates from CDW with significant content of ceramic wastes as a partial replacement of the natural gravel in the manufacture of recycled concrete. Therefore, constituting a suitable high-level application for this type of residues that, in countries such Spain, represents around the 70% of the produced material at the CDW management plants.
Please use this url to cite or link to this publication:
author
promoter
Andrés Juan Valdés, Julia María Morán del Pozo and UGent
organization
alternative title
Keramisch en gemengd bouw- en sloopafval : een technisch haarlbare en milieuvriendelijke bron van grove granulaten voor betonproductie
Residuos de la construcción y demolición (RCD) cerámicos y mixtos : una fuente de áridos gruesos técnicamente viable y medioambientalmente respetuosa para la producción de hormigón
year
type
dissertation
publication status
published
subject
pages
XLI, XII, 491 pages
publisher
Universidad de León. Departamento de Ingeniería y Ciencias Agrarias ; Ghent University. Faculty of Engineering and Architecture
place of publication
León, Spain ; Ghent, Belgium
defense location
León, Spanje : Universidad de León. Escuela Superior y Técnica de Ingeniería Agraria ('video room')
defense date
2016-03-17 11:10
language
English
UGent publication?
yes
classification
D1
copyright statement
I have retained and own the full copyright for this publication
id
7238813
handle
http://hdl.handle.net/1854/LU-7238813
date created
2016-05-31 13:31:57
date last changed
2017-01-16 10:51:12
@phdthesis{7238813,
  abstract     = {Nowadays, it is widely recognized that construction and demolition wastes (CDW) pose a significant environmental problem. However, in spite of the interest that the topic of their reutilization in the construction industry has aroused among worldwide researchers, the actual practice regarding the use of recycled aggregates from CDW is limited to low level applications (mostly as unbound materials). This fact is especially true for recycled aggregates containing ceramic materials, which are commonly regarded as impurities.
The aim of this study was to move towards a high value recycling of CDW. Thus, the objective of the PhD thesis was twofold; first, the analysis of the engineering properties of recycled aggregates from CDW with varying percentages of ceramic waste and, secondly, the performance assessment of four recycled concrete mixtures made with a 50\% substitution of the natural coarse aggregates by means of a comprehensive set of tests, both in fresh and hardened state.
Overall, the results of this doctoral research demonstrated the feasibility of using recycled aggregates from CDW with significant content of ceramic wastes as a partial replacement of the natural gravel in the manufacture of recycled concrete. Therefore, constituting a suitable high-level application for this type of residues that, in countries such Spain, represents around the 70\% of the produced material at the CDW management plants.},
  author       = {Rodr{\'i}guez, Desir{\'e}e},
  language     = {eng},
  pages        = {XLI, XII, 491},
  publisher    = {Universidad de Le{\'o}n. Departamento de Ingenier{\'i}a y Ciencias Agrarias ; Ghent University. Faculty of Engineering and Architecture},
  school       = {Ghent University},
  title        = {Ceramic and mixed construction and demolition wastes (CDW): a technically viable and environmentally friendly source of coarse aggregates for the concrete manufacture},
  year         = {2016},
}

Chicago
Rodríguez, Desirée. 2016. “Ceramic and Mixed Construction and Demolition Wastes (CDW): a Technically Viable and Environmentally Friendly Source of Coarse Aggregates for the Concrete Manufacture”. León, Spain ; Ghent, Belgium: Universidad de León. Departamento de Ingeniería y Ciencias Agrarias ; Ghent University. Faculty of Engineering and Architecture.
APA
Rodríguez, D. (2016). Ceramic and mixed construction and demolition wastes (CDW): a technically viable and environmentally friendly source of coarse aggregates for the concrete manufacture. Universidad de León. Departamento de Ingeniería y Ciencias Agrarias ; Ghent University. Faculty of Engineering and Architecture, León, Spain ; Ghent, Belgium.
Vancouver
1.
Rodríguez D. Ceramic and mixed construction and demolition wastes (CDW): a technically viable and environmentally friendly source of coarse aggregates for the concrete manufacture. [León, Spain ; Ghent, Belgium]: Universidad de León. Departamento de Ingeniería y Ciencias Agrarias ; Ghent University. Faculty of Engineering and Architecture; 2016.
MLA
Rodríguez, Desirée. “Ceramic and Mixed Construction and Demolition Wastes (CDW): a Technically Viable and Environmentally Friendly Source of Coarse Aggregates for the Concrete Manufacture.” 2016 : n. pag. Print.