Factors affecting the rutting resistance of asphalt pavement based on the field cores using multi-sequenced repeated loading test

Zhao, Zili; Jiang, Jiwang; Ni, Fujian; Dong, Qiao; Ding, Jitong; Ma, Xiang

doi:10.1016/j.conbuildmat.2020.118902

Cited by 26 publications

(8 citation statements)

References 25 publications

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“…It has been observed that fly ash with a lower calcium content, such as class F fly ash, is more suitable for the formation of geopolymers compared to fly ash with a higher calcium content, such as class C fly ash. According to Zhao et al [21], the reaction between fly ash and the alkaline liquid was found to be enhanced when a mixture of sodium hydroxide solution and sodium silicate solution was used. Hence, it can be inferred that sodium silicates and sodium hydroxide actively participated in the polymerization process.…”

Section: Resultsmentioning

confidence: 99%

Microstructural Characteristics of Fly Ash Geopolymer Modified Asphalt Binder

Bujang,

Aman,

Mohamad Taher

et al. 2023

IJIE

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The incorporation of by-product materials, such as fly ash geopolymer, has a significant influence on the properties of asphalt binder. This results in a reduction in binder viscosity and an increase in binder stiffness. This, in turn, promotes enhanced aggregate-asphalt binder bonding. Geopolymer refers to a class of inorganic materials characterized by the formation of a long-range, covalently bonded non-crystalline skeleton. The aim of this study was to explore the potential of incorporating waste and by-product materials, specifically fly ash geopolymer additive, in order to influence the microstructure of asphalt binder. The focus was on examining how the inclusion of fly ash geopolymer could alter the internal arrangement and composition of the asphalt binder, leading to potential improvements in its properties and performance. Laboratory experiments were performed to analyze the microstructure of 60/70 and 80/100 asphalt binder samples using Scanning Electron Microscope (SEM) imaging. These samples were modified with various concentrations (3%, 5%, 7%, 9%, and 11%) of fly ash geopolymer additive. The SEM images were obtained to examine the morphological changes and assess the distribution of the fly ash geopolymer particles within the asphalt binder matrix at different additive concentrations. The NOVA NANOSEM 230 equipment was utilized to determine the morphological characteristics of the asphalt binders. The results showed notable variations in the properties of the asphalt binders modified with fly ash geopolymer compared to the unmodified control asphalt binder. The morphological evaluation revealed thorough blending of the fly ash geopolymer additive. Notably, the micrographs demonstrated a denser structure with increased percentages of fly ash geopolymer, indicating a presence of fly ash and alkaline activator promotes the rapid formation of polymerization. These findings emphasize the promising potential of fly ash geopolymer as an additive in asphalt binder. The significant effect it has on viscosity when incorporated into modified asphalt binder makes it a valuable candidate for application in the field.

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Section: Resultsmentioning

confidence: 99%

Microstructural Characteristics of Fly Ash Geopolymer Modified Asphalt Binder

Bujang,

Aman,

Mohamad Taher

et al. 2023

IJIE

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“…Contextual factors that influence overloading include: First, the results are affected by the context of vehicle overload which can reduce the life of the pavement plan so that the road will be damaged more quickly [40]. There are other factors that might influence this, so the literature suggests considering the types of vehicles that pass with a tendency to exceed the maximum provisions [3,16,63] checking the large vehicle [3,4,61,69] measuring the reproducibility of the vehicle flow model between zones or adopting a choice of sequential destinations [57,70] maintenance costs and overloaded vehicles [31,46,55] vehicle speed and design of pavement structures or mixes [45,51,64,71], geometric design of roads [14] replacement of vehicle equipment [72] maintenance of waterways (drainage) [2,4] or modification of road pavement forming materials [48,64,71].…”

Section: Key Findings and Discussionmentioning

confidence: 99%

A Systematic Review of the Impact Overload on Road Pavement Batu City, Indonesia

Nurhidayat,

Kamarudin

2024

IJTDI

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Batu City, a premier tourist destination in Indonesia, has experienced a significant influx of tourists, leading to an upsurge in vehicular traffic. This increase in vehicular load has precipitated premature deterioration of the city's road pavements. A systematic approach to addressing this degradation is imperative for the refinement of road planning strategies, tailored to the pavement's lifespan, and for the development of a holistic road construction policy that aligns with the actual traffic load. This study employs a systematic literature review (SLR) to investigate the effects of vehicle overloading on the structural longevity of road pavements in Batu City. A keyword-driven search was conducted, resulting in the selection of 50 pertinent articles which were scrutinized to determine the extent of the impact that overloaded vehicles have on road infrastructure within tourist-heavy urban centers and to identify effective management solutions. The findings from the SLR indicate that excessive vehicle axle loads, or the presence of cities with high vehicular traffic, considerably expedite pavement damage and diminish the structural lifespan, as supported by evidence from 48% of the analyzed journals. These insights have practical implications for the assessment of road geometric designs, the examination of construction techniques and materials, and the formulation of models or policies that are congruent with the functional requirements of the city.

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“…Permanent deformation, recognized as rutting, is one of the main distresses occurring in asphalt pavements [60]. This phenomenon is characterized by the accumulation of unrecoverable deformation mainly in the AC layers that appear as longitudinal depressions in the wheel paths and small upheavals to the sides [61].…”

Section: Hamburg Wheel Tracking (Hwt) Testmentioning

confidence: 99%

Modified Asphalt with Graphene-Enhanced Polymeric Compound: A Case Study

Bruno,

Carpani,

Loprencipe

et al. 2024

Infrastructures

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In recent years, the increased use of heavy commercial vehicles with higher axle weights has required the development of innovative technologies to improve the mechanical properties of asphalt concrete conglomerates, such as fatigue resistance and rutting. This study offers a comprehensive comparative analysis of different types of asphalt concrete tested in four trial sections (S1, S2, S3, S4) of the SP3 Ardeatina rural road in Rome, under actual traffic and operational conditions. More precisely, the pavement technologies applied include modified asphalt concrete with graphene and recycled hard plastics for S1, asphalt concrete modified with styrene–butadiene–styrene (SBS) for S2, asphalt concrete with a standard polymeric compound for S3, and traditional asphalt concrete for S4. The evaluation approach involved visual inspections in order to calculate the pavement condition index (PCI) and falling weight deflectometer (FWD) tests. In addition, back-calculation analyses were performed using ELMOD software to assess the mechanical properties. The laboratory tests revealed superior properties of M1 in terms of its resistance to permanent deformations (+13%, +15%, and +19.5% compared to M2, M3, and M4, respectively) and stiffness (10,758 MPa for M1 vs. 9259 MPa, 7643 MPa, and 7289 MPa for M2, M3, and M4, respectively). These findings were further corroborated by the PCI values (PCIS1 = 65; PCIS2 = 17; PCIS3 = 28; PCIS4 = 29) as well as the FWD test results after 5 years of investigation, which suggests greater durability and resistance than the other sections.

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Factors affecting the rutting resistance of asphalt pavement based on the field cores using multi-sequenced repeated loading test

Cited by 26 publications

References 25 publications

Microstructural Characteristics of Fly Ash Geopolymer Modified Asphalt Binder

Microstructural Characteristics of Fly Ash Geopolymer Modified Asphalt Binder

A Systematic Review of the Impact Overload on Road Pavement Batu City, Indonesia

Modified Asphalt with Graphene-Enhanced Polymeric Compound: A Case Study

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