Review and analysis of advances in functionalized, smart, and multifunctional asphalt mixtures. (November 2021)

• Record Type: Journal Article
• Authors: Segundo, I. Rocha; Freitas, E.; Branco, V.T.F. Castelo; Landi, S.; Costa, M.F.; Carneiro, J.O.
• Is Part Of: Renewable & sustainable energy reviews. Volume 151(2021)
• Publication Date: 2021-11
• Subjects: Asphalt mixtures -- Smartness -- Multifunctionality -- Spray coating -- Photocatalytic materials -- Superhydrophobic -- De-icing/anti-ice -- Thermochromic -- Latent heat thermal energy; Powder Dimension (α) -- Volume Fraction of the Dispersed Powder (Ø) -- Atomic Force Microscopy (AFM) -- Bismuth Vanadate (BiVO4) -- Breath Figure (BF) -- Contact Angle (CA) -- Calcium Magnesium Acetate (CMA) -- Calcium Chloride (CaCl2) -- Carbon Fiber (CF) -- Carbon Nanofiber (CNF) -- Dimethylphenol (DMP) -- Differential Scanning Calorimeter (DSC) -- Ethylene Methyl Acrylate (EMA) -- Effective Medium Theory (EMT) -- Fourier Transform Infrared spectroscopy (FTIR) -- Potassium Formate (HCOOK) -- Heating (IH) -- Layer by Layer (LBL) -- Layered Double Hydroxide (LDH) -- Latent Heat Thermal Energy Storage (LHTS) -- Methylene Blue (MB) -- Methylene Orange (MO) -- Microwave Heating (MH) -- N-(1-Naphthyl)ethylenediamine Dihydrochloride (NEDA) -- Nitrogen oxides (NOx) -- Nitric Oxide (NO) -- Nitrogen Dioxide (NO2) -- Sodium Formate (NaF) -- Sodium Acetate (NaAc) -- Sodium Chloride (NaCl) -- Oxygen (O2) -- Pressure Aging Vessel (PAV) -- Performance Grade (PG) -- Phase Change Materials (PCM) -- Polytetrafluorethylene (PTFE) -- Roughness Ratio (r) -- Rhodamine B (RhB) -- Original Asphalt Binder Reflectance (Rm) -- Thermochromic Asphalt Binder Reflectance (Rmix) -- Thermochromic Powder Reflectance (Rp) -- Rolling Thin Film Oven Test (RTFOT) -- Styrene-Butadiene-Styrene (SBS) -- ratio between the interfacial and projected area (Sdr) -- Steel Fiber (SF) -- Steel Wool (SW) -- Steel Slags (SS) -- Sulfur dioxide (SO2) -- Scanning Electron Microscopy (SEM) -- Triethylenetetramine (TETA) -- Titanium Dioxide (TiO2) -- Urban Heat Island (UHI) -- Ultraviolet (UV) -- Vanadium dioxide (VO2) -- Volatile Organic Compound (VOC) -- Zinc Oxide (ZnO); Renewable energy sources -- Periodicals; Power resources -- Periodicals; Énergies renouvelables -- Périodiques; Ressources énergétiques -- Périodiques; 333.794
• DOI: 10.1016/j.rser.2021.111552
• Languages: English
• ISSNs: 1364-0321

Abstract

Abstract: Road pavements are designed to withstand road traffic and weathering actions while ensuring comfortable and safe riding conditions as well as low costs and damage to the environment. When a road pavement has additional abilities or reacts to an external stimulus, it is considered to be smart and multifunctional. Examples of such abilities that have been investigated in asphalt mixtures are photocatalytic, superhydrophobic, self-cleaning, de-icing/anti-icing, self-healing, thermochromic, and latent heat thermal energy storage abilities. These abilities are developed using different materials such as nano/microparticles (including semiconductor materials and microcapsules), fibers, phase change materials (PCMs), and dyes, often using dissimilar techniques such as spray coating, volume incorporation, spreading, and asphalt binder modification. Owing to their large surface areas, road pavements are true recipients for large amounts of nano/micromaterials, and consequently, act as important "tools" to stimulate an emerging sector related to the scale of production of materials in the form of nanoparticles. Moreover, smart and multifunctional road pavements can be included in the domain of clean technology (e.g., photocatalytic pavements that promote the environmental depollution of NOx -type gases emitted as vehicle exhaust gases). In this context, they can contribute to materializing the transition to a novel socio-economic model known as "Green Recovery" that is environmentally friendly, sustainable, and inclusive. This model is a very important path toward economic and employment recovery, a vision to which many countries are strongly committed. Therefore, this work reviews new capabilities imparted to asphalt mixtures and provides recommendations. Highlights: Roads supply socioenvironmental benefits by smart and multifunctional capabilities Application of nanomaterials does not require expensive technological improvements Photocatalytic, thermochromic, and LHTS provide socio and/or environmental benefits Superhydrophobic, LHTS, self-healing, and thermochromic improves mechanical behavior Superhydrophobic, self-cleaning, and de-icing capabilities are related to safety.