Pavement layer thickness variability evaluation and effect on performance life

Valle, Paola Dalla; Thom, Nick

doi:10.1080/10298436.2018.1517873

Cited by 18 publications

(5 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Furthermore, the last structure in the group is STR 19, which is the full depth asphalt pavement design, with a 48 cm asphalt layer and 20 cm overall subbase. The grouping of those structures is in line with previous studies showing thickness variations in subbase structure has limited influence on the pavement performance and the thickness of the asphalt layer influence the performance only above a certain point [8,7].…”

supporting

confidence: 89%

A data-driven approach to the evaluation of asphalt pavement structures using falling weight deflectometer

Liu

Cao

Huang

et al. 2022

DCDS-S

View full text Add to dashboard Cite

<p style='text-indent:20px;'>The evaluation of asphalt pavement structures has been a critical challenge in the field due to the practical limitations in methodology. In this paper, we propose a data-driven framework to evaluate structural performance of nineteen widely used asphalt structures in the Research Institute of Highway Ministry of Transport track (RIOHTrack). Specifically, we utilize the unsupervised machine learning method to delineate the similar and disparate performance among tested structures based on four years of falling weight deflectometer (FWD) experiments. Next, the structural performance is investigated on the temporal scale and the dynamic performance variations are captured over the course of the testing. Finally, experimental results are discussed and we provide essential evidence to aid future asphalt pavement design and construction.</p>

show abstract

supporting

confidence: 89%

A data-driven approach to the evaluation of asphalt pavement structures using falling weight deflectometer

Liu

Cao

Huang

et al. 2022

DCDS-S

View full text Add to dashboard Cite

show abstract

“…In the other groups, the structures were mainly constructed with a rigid/semi-rigid design composed of 12-28 cm asphalt layers. The effects of the asphalt layer thickness were investigated in previous research, and the results showed significant impacts on the pavement performance [42]. Our results further demonstrate that this influence may come later into the pavement performance than the subbase strength.…”

Section: Discussionsupporting

confidence: 61%

Complex network approach for the evaluation of asphalt pavement design and construction: a longitudinal study

Liu

Cao

Huang

et al. 2022

Sci. China Inf. Sci.

View full text Add to dashboard Cite

The assessment of asphalt pavement structures with diversified designs and constructions has been a critical challenge due to the practical limitations in testing and methodology. Here, we propose a complex network approach to the evaluation of longitudinal asphalt pavement performances in the Research Institute of Highway Ministry of Transport track (RIOHTrack). We add to the growing field in which network approaches are employed and indicate the profound application in understanding pavement structures. Specifically, similar and disparate pavement performances are revealed regardless of their predefined design and construction categories. Evidence shows that short-term pavement performance depends on the strength of the subbase structure, whereas long-term performance relies on the thickness of the asphalt layer. In addition, our results indicate that recycling materials could be an important substitute for reducing the thickness of asphalt concrete and maintaining a healthy service life.

show abstract

“…The dimensions of the pavement chosen for the study were inspired by the existing literature [62]. The quantities were extracted for the Base Course and Wearing Course only as asphalt is predominantly used in these layers, which have a collective thickness of 200 mm [63]. Since the materials under study are not used in other layers, such as subgrade, they were excluded from the assessment.…”

Section: Assessment Of Environmental and Economic Sustainability Of A...mentioning

confidence: 99%

Technical, Economic, and Environmental Sustainability Assessment of Reclaimed Asphalt and Waste Polyethylene Terephthalate Pavements

Sajid,

Hussian,

Khan

et al. 2024

Sustainability

View full text Add to dashboard Cite

In the era of the global drive for sustainability in line with the United Nations Sustainable Development Goals (UN SDGs), sustainability measures are encouraged to be taken at all levels. This study explores a novel mix design integrating Reclaimed Asphalt (RAP) with waste Polyethylene Terephthalate (PET) to enhance pavement performance and sustainability. It adopts a holistic approach by investigating the technical, economic, and environmental aspects of the proposed mix to assess its sustainability. Industry experts emphasize the necessity of mitigating the resource intensiveness of pavement construction to foster sustainable infrastructure. RAP enables resource-efficient pavement construction by promoting asphalt recycling. However, increasing RAP quantity in the mix compromises asphalt structural stability, making it more susceptible to moisture damage and rutting. In this study, PET-modified Bitumen (PMB) is incorporated in higher RAP quantities in the asphaltic mix without compromising asphalt’s structural performance and durability. Various PMB amounts (2% to 10% by mass of mixture) were tested with 40% RAP (by mass of mixture), evaluating performance in terms of moisture damage, Marshall stability, rutting, etc. Optimal results were achieved with 6% PET and 40% RAP, showing a 7%, 57%, and 23% improvement in moisture resistance, rutting resistance, and Marshall stability, respectively, compared to unmodified asphalt (technical aspects). The novel asphalt mix demonstrated a 17% reduction in material cost (economic aspect) and a 53% decrease in CO2 emissions (environmental aspect) using Building Information Modeling (BIM). This study devises a prospective solution for the construction of resilient, resource-efficient, cost-effective, environmentally friendly, and sustainable pavements in line with UN SDGs and circular economy goals.

show abstract

Pavement layer thickness variability evaluation and effect on performance life

Cited by 18 publications

References 12 publications

A data-driven approach to the evaluation of asphalt pavement structures using falling weight deflectometer

A data-driven approach to the evaluation of asphalt pavement structures using falling weight deflectometer

Complex network approach for the evaluation of asphalt pavement design and construction: a longitudinal study

Technical, Economic, and Environmental Sustainability Assessment of Reclaimed Asphalt and Waste Polyethylene Terephthalate Pavements

Contact Info

Product

Resources

About