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Valorized deinking paper residue as fill material for geotechnical structures [Elektronski vir]Fifer Bizjak, Karmen ...This study introduces a novel geotechnical composite material comprising two types of fill material sourced from the paper industry-deinking paper sludge ash (DPSA) and deinking paper sludge (DPS). ... Five composites with different DPSA and DPS contents were investigated. Two composites were selected for further analyses. The technology and procedure for composite installation were implemented in field tests. The composites with 80% and 70% DPSA exhibited the elasticity required to withstand minor landslide slip deformations, in addition to achieving sufficiently high values of uniaxial compressive strength. The composites had a low maximum dry density value, which led to fewer settlements in the entire support structure. The enhanced shear characteristics can enable the construction of a thinner retaining wall. The delay between preparation and installation of the composites was further investigated. The field tests confirmed that the composites with 80% and 70% DPSA can be installed on the construction site 4 h and even 24 h after mixing. In 2018, a retaining wall structure with 70% DPSA and 30% DPS was successfully implemented near a railway line using conventional technology as followed-up research to the herein presented study. Results have been derived from work performed in the scope of the H2020 Paperchain project in which novel circular economy models centered on the valorization of the waste streams generated by the pulp and paper industry as secondary raw material for several resource-intensive sectors, including the construction sector, have been developed. Environmental benefits are savings in natural raw materials, reduction of landfill disposal as well as CO2 emission reduction.Source: Scientific reports [Elektronski vir]. - ISSN 2045-2322 (Vol. 11, 2021, str. 1-13)Type of material - e-article ; adult, seriousPublish date - 2021Language - englishCOBISS.SI-ID - 85169667
Author
Fifer Bizjak, Karmen |
Likar, Barbara, gradbenica, 1985- |
Mladenovič, Ana |
Zalar Serjun, Vesna
Topics
pepel iz papirniškega mulja |
papirniški mulj |
sekundarni viri |
zasipni material |
geotehnična struktura |
zdrs |
odprti dostop |
deinking paper sludge ash |
deinking paper sludge |
secondary resources |
fill material |
geotechnical structure |
landslide |
open access
Author | Fifer Bizjak, Karmen ... |
Title | Valorized deinking paper residue as fill material for geotechnical structures [Elektronski vir] |
Publication date | 2021-11-16 |
COBISS.SI-ID | 85169667 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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Recikliranje odpadne titanove sadre v cementnih kompozitih | Z1-1858-2019 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Gradbeni objekti in materiali | P2-0273-2019 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
New market niches for the Pulp and Paper Industry waste based on circular economy approaches | PAPERCHAIN | 730305 |
European Commission |
Files that belong to the publication
Link |
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https://www.nature.com/articles/s41598-021-01949-1#Sec14 |
https://dirros.openscience.si/IzpisGradiva.php?id=15856 |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Fifer Bizjak, Karmen | 11897 |
Likar, Barbara, gradbenica, 1985- | 39821 |
Mladenovič, Ana | 05930 |
Zalar Serjun, Vesna | 32263 |
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