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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X231180651
|2 doi
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|a pubmed24n1316.xml
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|a (DE-627)NLM358554322
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|a (NLM)37354062
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Mistri, Abhijit
|e verfasserin
|4 aut
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|a Effective method for upcycling construction and demolition waste into concrete
|b A life cycle approach
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 04.03.2024
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|a Date Revised 04.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Different property enhancement techniques have already been established to support upcycling of construction and demolition waste as aggregate in concrete. However, the most suitable and sustainable method is still unknown. Quality improvement of recycled coarse aggregate (RCA) after any treatment method and its environmental impact is estimated using life cycle analysis (LCA). This article compares the environmental impacts of such treatment methods on RCA and aims to find out the most suitable method with minimum impacts. The functional unit of this study is considered the preparation of 1 tonne of treated aggregate (recycled), considering reduction in water absorption after the treatment. An LCA is carried out using the SimaPro software (https://simapro.com/) followed by ISO 14040/44 guidelines. Based on the LCA environmental profiles, thermal treatment is the highest emission contributing removal method followed by mechanical grinding. In strengthening of attached mortar methods, accelerated carbonation process is the major emission contributing method followed by a specific microbial treatment. Moreover, a sensitivity analysis was performed by varying the energy mix with a focus on renewable-based energy mix. The sensitivity analysis shows a shift on selection for the suitable treatment method and other possibilities considering renewable-based energy mix. A preliminary assessment and probable impact prediction could be conceptualized before the adoption of any treatment method on RCA for a particular location
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|a Journal Article
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|a Construction and demolition waste
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|a life cycle analysis
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|a recycled coarse aggregate
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|a treatment methods
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|a waste management
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|a Water
|2 NLM
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| 650 |
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Ravi Sankar, Cheela Venkata
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dubey, Brajesh Kumar
|e verfasserin
|4 aut
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1 |
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|a Dhami, Navdeep
|e verfasserin
|4 aut
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1 |
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|a Bhattacharyya, Sriman Kumar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mukherjee, Abhijit
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barai, Sudhirkumar V
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 42(2024), 3 vom: 22. März, Seite 218-231
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:42
|g year:2024
|g number:3
|g day:22
|g month:03
|g pages:218-231
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|u http://dx.doi.org/10.1177/0734242X231180651
|3 Volltext
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