Performance evaluation of recycled asphalt mixtures by construction and demolition waste materials

Fatemi, Saeed; Imaninasab, Reza

doi:10.1016/j.conbuildmat.2016.05.117

Cited by 93 publications

(30 citation statements)

References 16 publications

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“…Thus, recycling and reusing C and D waste materials as the recycled aggregate for infrastructure construction projects can help to tackle the problems mentioned above. In cases of using C and D waste as recycled aggregate in asphalt mixtures, most of the studies verified that they have a positive effect (increases) on the resistance to permanent deformation and a negative effect (decreases) on the resistance to moisture damage and fatigue behavior, especially at low temperatures [147][148][149][150]. Additionally, as illustrated in Figure 18, C and D waste materials result in greater binder content due to higher absorption and, consequently, despite fewer virgin aggregates, they demand more asphalt binder, which is far more expensive than aggregates.…”

Section: Construction and Demolition Wastementioning

confidence: 97%

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Sustainability Assessment of Green Asphalt Mixtures: A Review

Pouranian

Shishehbor

2019

Environments

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During recent decade, the pavement sustainability has received much attention by road agencies, companies, governments and research institutes. The aim of this paper is to introduce and evaluate the sustainability of the technologies developed or underdeveloped to address environmental issues of asphalt mixtures, and the waste materials and by-products that can be recycled and reused in asphalt production. Warm Mix Asphalt (WMA) technology, the most popular waste materials to substitute neat binder (crumb rubber modifier (CRM), recycled plastic (RP), vacuum tower bottoms (VTB)) and/or virgin aggregates (reclaimed asphalt pavement (RAP), reclaimed asphalt shingles (RAs), construction and demolition (C and D) wastes, steel and copper slags), and bio-binders were evaluated with respect to their environmental and economic benefits and engineering performance as the main components of pavement sustainability. The performance evaluation was carried out by examining rutting, moisture susceptibility, thermal and fatigue cracking resistance. Two main environmental impacts, greenhouse gas (GHG) emission, and energy consumption were considered to study the environmental effects of these technologies and materials. Additionally, the economic effect was investigated considering initial cost and long-term benefit. Results of investigation illustrated that although each individual technology and waste material is valuable in terms of performance and/or the environment, specific combinations such as WMA + RAP, WMA + CRM, RAP + CRM, and WMA + CRM + RAP lead to further benefits. Notably, these combinations suffer from a lack of comprehensive economic analysis, thus, their sustainability cannot be fully assessed and is prone to future studies.

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Section: Construction and Demolition Wastementioning

confidence: 97%

“…x FOR PEER REVIEW 18 of Effect of percentage of C and D waste in mixtures on the optimum binder content[149].…”

mentioning

confidence: 99%

Sustainability Assessment of Green Asphalt Mixtures: A Review

Pouranian

Shishehbor

2019

Environments

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“…Fatemi [30] showed a reduction in the indirect tensile strength (in dry and wet states) in asphalt mixtures with RCA compared with conventional asphalt mixtures. The opposite can be seen in studies carried out by Pérez [36].…”

Section: Introductionmentioning

confidence: 94%

“…The use of CDW in hot mix asphalt has been widely studied in both their manufacture and its influence in their behavior [21][22][23][24][25][26][27][28][29][30]. CDW constitutes a major portion of total solid waste production and it can cover a very wide range of materials.…”

Section: Introductionmentioning

confidence: 99%

Influence of Partial Coarse Fraction Substitution of Natural Aggregate by Recycled Concrete Aggregate in Hot Asphalt Mixtures

et al. 2019

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The main objective of this work is to evaluate the properties of hot asphalt mixtures that have been manufactured with different recycled concrete aggregate (RCA) percentages (0%, 20%, 40%, 60% and 80% of the fraction 5–13 mm) and asphalt (4%, 4.5% and 5%). Dense asphalt mixtures were made; partially replacing the natural aggregate (NA) fraction between 5 and 13 mm. Marshall specimens were manufactured to determine the main properties of the asphalt concrete (AC) in terms of density, voids, stability and deformation. Additionally, the optimal asphalt content (OAC) was determined, and measured the water sensibility, the stiffness modulus and the permanent deformation. The results corroborate the potential for using these sources of construction and demolition waste (CDW) as a RCA in asphalt concrete and show that the hot asphalt mixtures with up to 40% substitution of natural aggregate by recycled aggregate in the fraction 5–13 mm present good behavior.

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“…In order to reuse C&D materials as aggregates, components such as plastics, metals, plaster, and wood need to be removed from them before crushing into small pieces and application as aggregates in concrete or asphalt production [5,6]. In recent years, several researchers have studied the use of recycled aggregates as substitute for natural aggregates in concrete production [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Assessing the influence of construction and demolition waste materials on workability and mechanical properties of concrete using statistical analysis

Hadavand

Imaninasab

2019

Innov. Infrastruct. Solut.

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In recent decades, because of the massive destruction of old structures, a large amount of construction and demolition (C&D) waste has been produced. These waste materials have the greatest volume and weight among solid waste with many environmental problems. Reusing them in concrete as substitute to virgin aggregates is considered an efficient practice unless significant mechanical properties and workability degradation occurs. In this study, the effect of different concentrations of C&D waste (0%, 10%, 20%, 30%, and 50%) as coarse aggregates on workability, compressive, tensile, and flexural strengths was investigated at the water-to-cement (W/C) ratios of 0.40, 0.45 and 0.50. The strengths were measured at the ages of 7 and 28 days. The results proved that C&D waste has no significant effect on compressive strength, while its negative impact on workability was palpable. With respect to tensile and flexural strength, just 50% of C&D waste led to significant reduction.

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Performance evaluation of recycled asphalt mixtures by construction and demolition waste materials

Cited by 93 publications

References 16 publications

Sustainability Assessment of Green Asphalt Mixtures: A Review

Sustainability Assessment of Green Asphalt Mixtures: A Review

Influence of Partial Coarse Fraction Substitution of Natural Aggregate by Recycled Concrete Aggregate in Hot Asphalt Mixtures

Assessing the influence of construction and demolition waste materials on workability and mechanical properties of concrete using statistical analysis

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