Utilization of Recycled Plastic Waste in Fiber Reinforced Concrete for Eco-Friendly Footpath and Pavement Applications

Suksiripattanapong, Cherdsak; Phetprapai, Taweerat; Singsang, Witawat; Phetchuay, Chayakrit; Thumrongvut, Jaksada; Tabyang, Wisitsak

doi:10.3390/su14116839

Cited by 21 publications

(11 citation statements)

References 36 publications

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“…This is accompanied by the high content of voids in previous concrete which also reduces its compressive strength. Similar findings were recorded in the literature [18], [31], [32].…”

Section: Compressive Strengthsupporting

confidence: 92%

Improving the mechanical behavior of pervious concrete using polypropylene and waste rope fibers

Alkraway,

Shereen,

Salah Nasr

et al. 2024

QJES

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Urbanization has led to the damage of infrastructure due to floods and water accumulation on roads and sidewalks. To address this problem, pervious concrete was designed to drain water smoothly. However, pervious concrete has certain drawbacks, such as brittleness and poor tensile strength. To overcome these shortcomings, it is reinforced with fiber. Polypropylene fibers are commonly used for this purpose. On the other hand, managing waste plastic is a major problem as it has a significant environmental impact and requires large areas for landfills. Waste rope fibers (WRF) are among these wastes. There have been very limited investigations on the use of WRF in pervious concrete. Therefore, this study aims to investigate the effect of polypropylene (PP) fibers and waste rope fibers (WRF) on the mechanical and structural properties of pervious concrete. PP and WRF fibers were added in proportions of 0.25%, 0.5%, and 0.75% by volume of concrete. A range of tests (compressive strength, tensile strength, density, permeability, load-deflection behavior, and ductility) were conducted to evaluate the resulting concrete. The results indicated that although the permeability was decreased by adding fibers, the fibers significantly improved the mechanical and structural properties of pervious concrete. The highest values for compressive strength, splitting tensile strength, and ultimate load were 83.4%, 72.4%, and 89.62% for PP fibers-based mixtures, while they were 49.9%, 41.9%, and 102.83% for mixtures made with WRF at an addition rate of 0.5% for both types of fibers. The results also demonstrated that the existence of fibers improved the ductility of the concrete, which means that WRF can be used successfully in producing eco-friendly pervious concrete with better performance than the control specimen.

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“…This is accompanied by the high content of voids in previous concrete which also reduces its compressive strength. Similar findings were recorded in the literature [18], [31], [32].…”

Section: Compressive Strengthsupporting

confidence: 92%

Improving the mechanical behavior of pervious concrete using polypropylene and waste rope fibers

Alkraway,

Shereen,

Salah Nasr

et al. 2024

QJES

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“…Small RCA-FAG samples were collected from the center and their scanning electron microscope (SEM) analysis was assessed [43,44]. For FA contents more than 20%, the maximum dry unit weight of RCA-FAG samples dropped due to FA's lower specific gravity [18,19]. height of 116.4 mm.…”

Section: Sample Preparation and Testingmentioning

confidence: 99%

“…They reported that RCA needs to be improved by a binder (cement, lime, and fly ash) due to low physical properties (high water absorption and porosity) and engineering properties (low strengths) [11][12][13]. Nonetheless, cement manufacturing emits huge quantities of carbon dioxide (CO 2 ) into the atmosphere [18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

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Stabilization of Recycled Concrete Aggregate Using High Calcium Fly Ash Geopolymer as Pavement Base Material

et al. 2022

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This research investigated high calcium fly ash geopolymer stabilized recycled concrete aggregate (RCA-FAG) as pavement base material. The effect of recycled concrete aggregate (RCA):high calcium fly ash (FA) ratios, sodium silicate (Na2SiO3):sodium hydroxide (NaOH) ratio, and curing time on the unconfined compressive strength (UCS) and scanning electron microscope (SEM) properties of RCA-FAG samples were evaluated. The maximum dry unit weight of the RCA-FAG sample was 20.73 kN/m3 at RCA:FA ratio of 80:20 and Na2SiO3:NaOH ratio of 60:40. The 7-d UCS of RCA-FAG samples increased as the FA content and Na2SiO3:NaOH ratio increased. The 7-d UCS of the RCA-FAG sample was better than that of the RCA with no FA because FA particles filled in RCA particles, resulting in a dense matrix. The 7-d UCS of RCA-FAG samples passed the 7-d UCS requirement for the low-traffic road. All ingredients met the 7-d UCS requirement for the high-traffic road except the sample with RCA:FA of 100:0 and Na2SiO3:NaOH of 50:50 and 60:40. The 7-d SEM images indicated that spherical FA and RCA particles are bonded together, resulting in the dense matrix for all Na2SiO3:NaOH ratios. The proposed equation for predicting the UCS of RCA-FAG offered a good coefficient of correlation, which is useful in designing pavement base material from RCA-FAG material.

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“…Waste materials including electric arc furnace (EAF) ladle furnace (LF) slags, coal fly (CF) ash, bottom ash, glass waste (GW) and reclaimed asphalt pavement (RAP) were used to improve the economic and environmental sustainability of road constructions [7]. Carbon reduction in pavement construction was observed when recycled plastic (RP) waste was used at varying proportions to enhance the engineering properties for eco-friendly pavement application [8]. Road pavements are superimposed layers of materials placed over the natural ground [9,10].…”

Section: Introductionmentioning

confidence: 99%

Performance of Sustainable Road Pavements Founded on Clay Subgrades Treated with Eco-Friendly Cementitious Materials

et al. 2022

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Clays encountered during road construction are mostly weak and result in major pavement failures due to their low California bearing ratio (CBR) and high swelling potential. In this study, sustainable and eco-friendly waste materials including brick dust waste (BDW), ground granulated blastfurnance slag (GGBS), recycled plastic (RP) and recycled glass (RG) at varying proportions of 11.75% and 23.5% were used as partial replacement for cement and lime in clay treatment. After determining the water content by conducting Atterberg limit and compaction test, A CBR and swell characteristics of treated and untreated clay were also conducted. A road pavement design was conducted using the Design Manual for Road and Bridges (DMRB) as a guide to determine the performance of treated clay with varying CBR values. A road pavement failure analysis was also conducted to understand the defect formation within pavement structures supported by eco-friendly treated clay. The embodied carbon of treated clay was calculated and a life cycle cost analysis (LCCA) of flexible pavement with treated clay and road with imported materials was conducted. The results show a liquid limit of 131.26 and plastic limit of 28.74 for high plasticity index (clay 1) and liquid limit of 274.07 and a plastic limit of 45.38 for extremely high plasticity index (clay 2). An increase in CBR values from 8% and 9% to 57% and 97% with a reduction in swell values from 4.11% and 5.03% to 0.38% and 0.56% were recorded. This resulted in a reduction in pavement thickness and stresses within the road pavement leading to reduced susceptibility of the pavement to fatigue, rutting and permanent deformation. Very low embodied carbon was recorded for eco-friendly treated clay and a high life cycle cost (LCC) with clay removed and replaced with imported materials compared with clay treated using eco-friendly waste materials. The study concluded that carbon and overall construction costs can be reduced using waste materials in road construction. Owners and operators can save money when clay is treated and used in road construction instead of removing clay and replacing it with imported materials.

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Utilization of Recycled Plastic Waste in Fiber Reinforced Concrete for Eco-Friendly Footpath and Pavement Applications

Cited by 21 publications

References 36 publications

Improving the mechanical behavior of pervious concrete using polypropylene and waste rope fibers

Improving the mechanical behavior of pervious concrete using polypropylene and waste rope fibers

Stabilization of Recycled Concrete Aggregate Using High Calcium Fly Ash Geopolymer as Pavement Base Material

Performance of Sustainable Road Pavements Founded on Clay Subgrades Treated with Eco-Friendly Cementitious Materials

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