A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Incorporation of CFRP and GFRP Composite Wastes in Pervious Concrete Pavements
Over the past decade, utilization of carbon fiber reinforced polymer (CFRP) and glass fiber reinforced polymer (GFRP) composites in aerospace, automotive, and wind energy sectors has led to generation of huge quantities of composite wastes (CW) at their end-of-life. This poses serious threat to environment and society, calling for identification of eco-friendly and cost-effective strategies to recycle CW into various applications. Therefore, the objective of this study was to recycle CFRP-CW and GFRP-CW in pervious concrete (PC) paving mixtures. The scope of the effort included addition of CFRP-CW and GFRP-CW into the PC mix at 0.33, 0.65, and 1% by volume to investigate their effects on hydrological and mechanical characteristics of the material. For GFRP-CW, porosity and permeability increased at the highest dosage by a magnitude of about 1 and 8.5%, respectively. However, for CFRP-CW, 1% increment in porosity was recorded at the lowest dosage, while permeability decreased by about 5–10% at all dosages. Furthermore, compressive strength increased by about 10–23% at all dosages of GFRP-CW, whereas it reduced by about 5% at lowest and highest dosages of CFRP-CW. Based on the test results, the optimum dosages for GFRP-CW and CFRP-CW were found to be 0.33 and 0.65%, respectively. Further, the properties of CW modified PC mixtures were within the general range for PC, reported in the literature. This study demonstrated that utilization of CFRP-CW and GFRP-CW in PC would serve as an environment-friendly and cost-effective strategy to recycle the CW in paving applications. Also, it is envisaged that this study will help formulate a framework for development of CW reinforced pavement materials from a sustainability perspective.
Incorporation of CFRP and GFRP Composite Wastes in Pervious Concrete Pavements
Over the past decade, utilization of carbon fiber reinforced polymer (CFRP) and glass fiber reinforced polymer (GFRP) composites in aerospace, automotive, and wind energy sectors has led to generation of huge quantities of composite wastes (CW) at their end-of-life. This poses serious threat to environment and society, calling for identification of eco-friendly and cost-effective strategies to recycle CW into various applications. Therefore, the objective of this study was to recycle CFRP-CW and GFRP-CW in pervious concrete (PC) paving mixtures. The scope of the effort included addition of CFRP-CW and GFRP-CW into the PC mix at 0.33, 0.65, and 1% by volume to investigate their effects on hydrological and mechanical characteristics of the material. For GFRP-CW, porosity and permeability increased at the highest dosage by a magnitude of about 1 and 8.5%, respectively. However, for CFRP-CW, 1% increment in porosity was recorded at the lowest dosage, while permeability decreased by about 5–10% at all dosages. Furthermore, compressive strength increased by about 10–23% at all dosages of GFRP-CW, whereas it reduced by about 5% at lowest and highest dosages of CFRP-CW. Based on the test results, the optimum dosages for GFRP-CW and CFRP-CW were found to be 0.33 and 0.65%, respectively. Further, the properties of CW modified PC mixtures were within the general range for PC, reported in the literature. This study demonstrated that utilization of CFRP-CW and GFRP-CW in PC would serve as an environment-friendly and cost-effective strategy to recycle the CW in paving applications. Also, it is envisaged that this study will help formulate a framework for development of CW reinforced pavement materials from a sustainability perspective.
Incorporation of CFRP and GFRP Composite Wastes in Pervious Concrete Pavements
Sustain. Civil Infrastruct.
Akhnoukh, Amin (editor) / Kaloush, Kamil (editor) / Elabyad, Magid (editor) / Halleman, Brendan (editor) / Erian, Nihal (editor) / Enmon II, Samuel (editor) / Henry, Cherylyn (editor) / Charak, Akhil (author) / Singh, Avishreshth (author) / Biligiri, Krishna Prapoorna (author)
International Road Federation World Meeting & Exhibition ; 2021 ; Dubai, United Arab Emirates
2022-04-21
13 pages
Article/Chapter (Book)
Electronic Resource
English
Pervious concrete , Carbon fiber reinforced polymer , Glass fiber reinforced polymer , Composite wastes , Recycling , Porosity , Permeability , Compressive strength Engineering , Transportation Technology and Traffic Engineering , Sustainable Development , Building Construction and Design , Building Materials , Earth and Environmental Science
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