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Title:Potential of using waste materials in flexible pavement structures identified by optimization design approach
Authors:ID Jelušič, Primož (Author)
ID Gücek, Süleyman (Author)
ID Žlender, Bojan (Author)
ID Gürer, Cahit (Author)
ID Varga, Rok (Author)
ID Bračko, Tamara (Author)
ID Taciroğlu, Murat V. (Author)
ID Korkmaz, Burak E. (Author)
ID Yarcı, Şule (Author)
ID Macuh, Borut (Author)
Files:.pdf sustainability-15-13141-v3.pdf (6,20 MB)
MD5: D8CB759D45A399E59E52FAD36F9D7C44
Version: Založnikova verzija
URL of processed file: https://www.mdpi.com/2071-1050/15/17/13141
 
URL https://www.mdpi.com/2071-1050/15/17/13141
 
Language:English
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:This paper presents the design of geosynthetic reinforced flexible pavements and their modification by incorporating waste materials into bonded and unbonded layers of the pavement structure. The optimal design of flexible pavements was achieved by minimizing the construction cost of the pavement. The incorporation of waste materials into the pavement structure affects the material properties. Therefore, along with the traffic load, the effects of the material properties of the asphalt concrete, base layer, sub-base layer, and subgrade were analyzed in terms of pavement structure costs and CO2 emissions of materials used in pavement construction. In addition, a comparison was made between pavements with and without geosynthetic reinforcement in terms of design, optimum construction cost, and CO2 emissions. The use of geosynthetics is even more effective in pavement structures that contain waste materials in an unbound layer, both in terms of cost and CO2 emissions. The minimum value of the California Bearing Ratio of the subgrade was determined at which the use of geosynthetic reinforcement for pavement structure with and without the inclusion of waste materials is economically and sustainably justified. The use of geosynthetics could result in a 15% reduction in pavement structure cost and a 9% reduction in CO2 emissions due to the reduced thickness of unbound layers. In addition, reducing the CBR of the unbound layer from 100% to 30% due to the inclusion of waste materials implies a cost increase of up to 13%. While the present study is based on an empirical pavement design method in which pavement thickness is limited by the pavement thickness index, the same minimum thicknesses are obtained in the optimization process regardless of whether the objective function is the minimum construction cost or minimum CO2 emissions.
Keywords:pavement design, waste materials, optimization, minimum construction cost, CO2 emissions, geosynthetics, waste management
Publication status:Published
Publication version:Version of Record
Submitted for review:27.07.2023
Article acceptance date:17.08.2023
Publication date:31.08.2023
Publisher:MDPI
Year of publishing:2023
Number of pages:str. 1-19
Numbering:Vol. 15, iss. 17, [art. no.] 13141
PID:20.500.12556/DKUM-85901 New window
UDC:628.477.6:625.88
ISSN on article:2071-1050
COBISS.SI-ID:164829443 New window
DOI:10.3390/su151713141 New window
Publication date in DKUM:18.09.2023
Views:644
Downloads:56
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
JELUŠIČ, Primož, GÜCEK, Süleyman, ŽLENDER, Bojan, GÜRER, Cahit, VARGA, Rok, BRAČKO, Tamara, TACIROĞLU, Murat V., KORKMAZ, Burak E., YARCI, Şule and MACUH, Borut, 2023, Potential of using waste materials in flexible pavement structures identified by optimization design approach. Sustainability [online]. 2023. Vol. 15, no. 17,  13141, p. 1–19. [Accessed 22 April 2025]. DOI 10.3390/su151713141. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=85901
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Record is a part of a journal

Title:Sustainability
Shortened title:Sustainability
Publisher:MDPI
ISSN:2071-1050
COBISS.SI-ID:5324897 New window

Document is financed by a project

Funder:EC - European Commission
Funding programme:H2020
Project number:101006512
Name:GEOLAB: Science for enhancing Europe's Critical Infrastructure
Acronym:GEOLAB
Funder:ARRS - Slovenian Research Agency
Project number:BI-TR/22-24-06 in 122N273
Name:Bilateral project - the Slovenian Research Agency (ARIS) in Scientific and Technological research Council of Türkiye (TÜB˙ITAK)

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:pločniki, cestišče, načrtovanje pločnikov, odpadni material, ponovna uporaba odpadkov, zmanjševanje stroškov, emisije CO2, vgradnja geosintetičnih materialov, geosintetični materiali


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