Design and performance of cold mix asphalt – A review

Dash, Swayam Siddha; Chandrappa, Anush K.; Sahoo, Umesh Chandra

doi:10.1016/j.conbuildmat.2021.125687

Cited by 33 publications

(11 citation statements)

References 65 publications

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“…It is made by combining aggregates and asphalt binder emulsion without the use of heat, which considerably minimizes dangerous volatile component emissions and fuel usage. Unlike HMA, the interaction between the aggregate and leftover asphalt binder occurs at room temperature [73]. However, CMA has some drawbacks, such as hurdles during compaction, the high air-void percentage in compacted mixtures, reduced initial strength, and the prolonged time required to generate completely cured specimens for best performance.…”

Section: Cold MIX Asphalt (Cma)mentioning

confidence: 99%

“…Several studies have found that cold mix outperforms hot mix in terms of resource usage and greenhouse gas emissions during the production and placing stages. These benefits have been established in studies [73][74][75]. Goyer et al [76] conducted a comparison study between cold mix and standard hot mix procedures and observed that the amount of energy demand and greenhouse gas emissions for producing a 10 cm layer of pavement material were roughly double for hot mix manufacturing compared to cold mix manufacturing.…”

Section: Cold MIX Asphalt (Cma)mentioning

confidence: 99%

“…According to other studies, CMA uses less energy and emits less CO 2 during the production process than HMA. HMA has an energy consumption and CO 2 emissions of 132.3 kWh/ton and 35.5 kg CO 2 /ton asphalt mix, respectively, while CMA has just 37.4 kWh/ton and 7.1 kg CO 2 /ton asphalt mix, respectively [73]. Furthermore, the usage of cationic asphalt binder emulsion for asphalt pavement construction was discovered to have 15% to 20% less emission than conventional asphalt binder [73].…”

Section: Cold MIX Asphalt (Cma)mentioning

confidence: 99%

See 2 more Smart Citations

A Comprehensive Overview of the Utilization of Recycled Waste Materials and Technologies in Asphalt Pavements: Towards Environmental and Sustainable Low-Carbon Roads

Yaro,

Sutanto,

Baloo

et al. 2023

Processes

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Given the prevailing concerns about greenhouse gas emissions, global warming, and the growing demand for renewable resources, the pavement industry, among others, is actively engaged in researching and exploring low-carbon materials and technologies. Despite the growing interest in low-carbon asphalt pavement, there is still a significant knowledge gap regarding the use of various waste materials and technologies to achieve this goal. This study aims to close this gap by conducting a systematic review and scientometric assessment of the existing studies on the use of waste materials and technologies for low-carbon asphalt pavement. The study spans the years 2008 to 2023, and the scientometric analysis was conducted using the VOS viewer application. The study identifies materials and technologies in this area by examining co-authored country studies, publication sources, and keyword co-occurrence. It should be noted that a limited number of waste materials that allow CO2 emissions reduction was analyzed in this study. However, other waste categories, such as bio-oils and polymers, which can provide positive either environmental or economic impacts on the production of paving materials, were not considered in the scope of the study. Based on the current review, it was found that integrating recycled waste materials like recycled asphalt pavement, biochar, or crumb rubber with alternative mixing technologies such as warm mix asphalt and cleaner energy can significantly reduce CO2 emissions. China and the United States were identified as key research contributors to the low-carbon pavement. Furthermore, biomass-based fuel and electric construction equipment lower carbon and greenhouse gas emissions by 36–90% and 67–95%, respectively. However, before various recycled waste materials and technologies can be widely used in the asphalt industry, various challenges need to be addressed, including cost concerns, performance and durability concerns, standardization and regulations, availability, integration with existing facilities, and insufficient field and long-term data. The review identified critical research gaps, such as the absence of a homogeneous and reliable standard method for low-carbon asphalt pavement, limited field performance data, and a life cycle assessment approach in analyzing the emission reduction effects. The reviews will aid in the paradigm shift to a more carbon-friendly pavement industry that uses recycled waste materials and technologies.

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Section: Cold MIX Asphalt (Cma)mentioning

confidence: 99%

Section: Cold MIX Asphalt (Cma)mentioning

confidence: 99%

Section: Cold MIX Asphalt (Cma)mentioning

confidence: 99%

See 1 more Smart Citation

A Comprehensive Overview of the Utilization of Recycled Waste Materials and Technologies in Asphalt Pavements: Towards Environmental and Sustainable Low-Carbon Roads

Yaro,

Sutanto,

Baloo

et al. 2023

Processes

View full text Add to dashboard Cite

show abstract

“…5. CMA can vary significantly in composition, quality, and performance, leading to inconsistent performance and reduced pavement life [47,48]. 6.…”

Section: Technical Challengesmentioning

confidence: 99%

Advancements and Challenges in the Use of Cold Mix Asphalt for Sustainable and Cost-Effective Pavement Solutions

Al-Hashimi,

Al-Busaltan,

Al-Abbas

2023

E3S Web Conf.

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Even with the high advancement of the pavement industry, the use of traditional hot mix asphalt (HMA) for pavement construction and maintenance is associated with high energy consumption, greenhouse gas emissions, and production costs. As a result, researchers and industrial practitioners aspire to use cold mix asphalt (CMA) as an alternative that offers environmental and economic benefits. This paper provides an overview of the advancements and challenges in using CMA for sustainable and cost-effective pavement solutions. The paper reviews portrays, and discloses CMA’s recent benefits, such as reduced energy consumption, lower emissions, and enhanced durability. Additionally, the paper addresses the challenges associated with using CMA, including its limited application areas and potential performance issues. It discusses the strategies being developed to overcome these challenges. Furthermore, the paper concludes with recommendations for the future of research and industry development of CMA to further promotion. Meanwhile, it is finalizing the current sight for using CMA as a sustainable, cost-effective pavement solution.

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“…In the civil engineering domain, transportation infrastructure represents one of the major application fields, and flexible pavements prepared with asphalt concretes are still the most used technological solutions in every road network all over the world [1]. To evaluate whether an asphalt mixture (AM) is suitable for civil engineering applications, road agencies charged with pavement maintenance and construction often refer to performance indicators related to the mechanical behavior of the mixture under consideration.…”

Section: Introductionmentioning

confidence: 99%

Stiffness Moduli Modelling and Prediction in Four-Point Bending of Asphalt Mixtures: A Machine Learning-Based Framework

Baldo,

Rondinella,

Daneluz

et al. 2023

CivilEng

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Stiffness modulus represents one of the most important parameters for the mechanical characterization of asphalt mixtures (AMs). At the same time, it is a crucial input parameter in the process of designing flexible pavements. In the present study, two selected mixtures were thoroughly investigated in an experimental trial carried out by means of a four-point bending test (4PBT) apparatus. The mixtures were prepared using spilite aggregate, a conventional 50/70 penetration grade bitumen, and limestone filler. Their stiffness moduli (SM) were determined while samples were exposed to 11 loading frequencies (from 0.1 to 50 Hz) and 4 testing temperatures (from 0 to 30 °C). The SM values ranged from 1222 to 24,133 MPa. Observations were recorded and used to develop a machine learning (ML) model. The main scope was the prediction of the stiffness moduli based on the volumetric properties and testing conditions of the corresponding mixtures, which would provide the advantage of reducing the laboratory efforts required to determine them. Two of the main soft computing techniques were investigated to accomplish this task, namely decision trees with the Categorical Boosting algorithm and artificial neural networks. The outcomes suggest that both ML methodologies achieved very good results, with Categorical Boosting showing better performance (MAPE = 3.41% and R2 = 0.9968) and resulting in more accurate and reliable predictions in terms of the six goodness-of-fit metrics that were implemented.

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Design and performance of cold mix asphalt – A review

Cited by 33 publications

References 65 publications

A Comprehensive Overview of the Utilization of Recycled Waste Materials and Technologies in Asphalt Pavements: Towards Environmental and Sustainable Low-Carbon Roads

A Comprehensive Overview of the Utilization of Recycled Waste Materials and Technologies in Asphalt Pavements: Towards Environmental and Sustainable Low-Carbon Roads

Advancements and Challenges in the Use of Cold Mix Asphalt for Sustainable and Cost-Effective Pavement Solutions

Stiffness Moduli Modelling and Prediction in Four-Point Bending of Asphalt Mixtures: A Machine Learning-Based Framework

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