DESIGN, PRODUCTION AND PLACEMENT OF HOT MIX ASPHALT WITH ADDITION OF WASTE PLASTICS - BOLIVIA CASE STUDY
DOI:
https://doi.org/10.23881/idupbo.022.1-2iKeywords:
Hot Mix Asphalt, Dry Process Modification, Construction Process, Plastics in AsphaltAbstract
The management of municipal solid waste materials is a major problem for municipal authorities in Bolivia because of the excessive amounts that are generated, and the environmental problems related to it. Although valuable reusable materials can be found among the municipal waste, in Bolivia only 4% of these materials are recycled [1]. The addition of waste plastics to asphalt mixes is an excellent opportunity to reuse large amounts of plastics and obtain a better pavement performance. Therefore, this study analyzes the performance of asphalt mixes with addition of waste plastics and the modifications needed in the production and placement process. The addition of a new material to the asphalt mix may cause important changes in the mixture properties. Thereby, laboratory tests were conducted to define the appropriate proportion of plastic to be added to the mix. In this study, mixes with addition of Polyethylene Terephthalate (PET) and High-Density Polyethylene (HDPE) were analyzed by Marshall and IDEAL-CT tests. Better performance to permanent deformations and cracking tolerance has been found when adding 1% of PET to the asphalt mix, and properties were within specifications using up to 3% of PET. However, according to the tests results, the addition of HDPE is detrimental to the quality of the asphalt mix. Conventional asphalt plants do not consider the addition of a new material to the asphalt mix; therefore, modifications are needed in the production process. If the plastics are exposed to high temperatures, they can melt or degrade causing changes to the mix, damaging the equipment of the asphalt plant, or causing environmental problems. Thereby, the plastics must be added after the dryer drum section. These modifications have been made to an asphalt plant to build a test road in the city of El Alto, Bolivia and to analyze the construction process when using waste plastics.Downloads
References
Ministerio de Medio Ambiente y Agua / Viceministerio de Agua Potable y Saneamiento Básico, «Diagóstico de la Gestión de Residuos Sólidos en Bolivia,» Ministerio de Medio Ambiente y Agua, La Paz, 2011.
Ministerio de Medio Ambiente y Agua, «Reglamento a la ley 755, Gestión Intefral de Residuos DS 2954,» Ministerio de Medio Ambiente y Agua, La Paz, 2016.
Federal Highway Administration, «Environmental Stewardship - Recycling,» United States Department of Transportation, 8 septiembre 2015. [En línea]. Available: https://www.fhwa.dot.gov/legsregs/directives/policy/recmatpolicy.htm. [Último acceso: 12 mayo 2021].
R. Willis, F. Yin y R. Moraes, «Recycled Plastics in Asphalt Part A: State of the Knowledge,» National Asphalt Pavement Association - Asphalt Institute, 2020.
R. E. Villegas Villegas, A. Baldi, J. A. Sanabria Ulloa, F. Miranda Argüello, E. Camacho Garita, J. P. Aguiar Moya y L. Loria Salazar, «Gestión de Proyectos que Incorporan Materiales de Desecho en Obras de Infraestructura Civil,» de Memorias del XX Congreso Ibero Latinoamericano del Asfalto, Guadalajara, México, Asociación Mexicana del Asfalt, A.C., 2019.
National Center For Asphalt Technology, Hot Mix Asphalt Materials, Mixture Design and Construction, Auburn: Auburn, AL, 1996.
Asphalt Institute, MS-2 Asphalt Mix Design Methods, Lexingtong, Ky: Asphalt Institute, 2014.
Asphalt Institute, MS-25 Asphalt Binder Testing, Lexingtong, Ky: Asphalt Institute, 2014.
R. E. Villegas Villegas, L. G. Loría Salazar, J. P. Aguiar Moya, W. D. Fernández Gomez y F. A. Reyes Lizcano, «Recycling of banana production waste bags in bitumens: A green alternative,» Universidad de Costa Rica, San José, Costa Rica, 2012.
F. Reyes Lizcano y A. Figueroa, «Uso de Desechos Plásticos en Mezclas Asfálticas–Síntesis de la Investigación Colombiana,» Pontificia Universidad Javeriana, Bogotá, Colombia, 2008.
R. E. Villegas Villegas, «Diseño de la producción de mezclas asfálticas modificadas con residuos plásticos mediante la metodología IDOV de Seis Sigma, incorporando los lineamientos de economía circular,» Universidad de Costa Rica, San José, Costa Rica, 2021.
R. E. Villegas Villegas, J. P. Aguiar Moya y L. Loria Salazar, «Diseño de mezcla asfáltica con materiales de desecho,» vol. 08/2018, 2018.
F. Yin, R. Moraes y A. Anand, «Recycled Plastics in Asphalt Part B: Literature Review,» National Asphalt Pavement Association - Asphalt Institute, 2020.
Secretaría Municipal de Gestión Ambiental de La Paz, Planta de procesamiento de residuos sólidos, La Paz: Gobierno Autónomo Municipal de La Paz, 2020.
Asphalt Institute, MS-4 The Asphalt Handbook, Lexington, Ky: Asphalt Institute, 2007.
Asphalt Institute, MS-22 Construction of Quality Asphalt Pavements, Lexington, Ky: Asphalt Institute, 2020.
Administradora Boliviana de Carreteras, Manual de Especificaciones Técnicas Generales de Construcción, 2011.
Texas A&M Transportation Institute, «Development of an IDEAL Cracking Test for Asphalt Mix Design, Quality Control and Quality Assurance,» National Cooperative Highway Research Program, Texas, 2019.
R. West, C. Rodezno, F. Leiva y F. Yin, «Development of a Framework for Balanced Mix Desing,» National Cooperative Highway Research Program - National Center for Asphalt Technology at Auburn University, Auburn, AL, 2018.
Instituto Nacional de Estadística, «Residuos Sólidos en Ciudades Capitales y El Alto,» Instituto Nacional de Estadística, 2017 junio 2017. [En línea]. Available: https://www.ine.gob.bo/index.php/residuos-solidos-en-ciudades-capitales-y-el-alto-llego-a-mas-de-un-millon-de-toneladas/. [Último acceso: 15 mayo 2021].
W. Arteaga, «Bolivia genera 7 mil toneladas de basura al día y sólo recicla el 4%,» Página siete, 2019.
Administradora Bolivana de Carreteras, «Rendición pública de cuentas 2019,» Administradora Bolivana de Carreteras, La Paz, Bolivia, 2019.
Additional Files
Published
How to Cite
Issue
Section
License
Copyright (c) 2022 Sergio Bernabé Velásquez Garnica, Rafael Ernesto Villegas Villegas
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Creative Commons Attribution-Noncommercial-Share Alike
CC BY-NC-SA
This license lets others remix, tweak, and build upon your work for non-commercial purposes, as long as they credit the author(s) and license their new creations under the identical terms.
The authors can enter additional separate contract agreements for non-exclusive distribution of the version of the article published in the magazine (for instance, they may publish it in an institutional repository or a book), subject to an acknowledgement of its initial publication in this magazine.