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Investigating the effects of ensemble and weight optimization approaches on neural networks’ performance to estimate the dynamic modulus of asphalt concrete

International Journal on Road Materials and Pavement Design, 2022
This study hybridized the ensemble and weight optimization approaches with an artificial neural network (ANN) algorithm to forecast the dynamic modulus (E*) of asphalt concrete.
Jiandong Huang   +5 more
semanticscholar   +1 more source

Influence of specimen geometry on mode I fracture toughness of asphalt concrete

, 2021
Determination of fracture toughness (KIc) for the asphalt mixture concrete requires employment of suitable testing methods and specimens. Disc-shape specimens are among the favorite test geometries for conducting the fracture toughness experiments on ...
Si Fuan   +4 more
semanticscholar   +1 more source

Mechanisms of asphalt cracking and concrete-asphalt debonding in concrete overlay on asphalt pavements

Construction and Building Materials, 2021
Abstract The research presented in this paper identifies several distress mechanisms that asphalt base and concrete-asphalt interphase may experience in concrete overlay on asphalt (COA) pavements. The identification of the distresses is based on visual examination of cores extracted from a relatively large pool of COA test sections in a dry climate.
Angel Mateos   +4 more
openaire   +2 more sources

Fatigue behaviour of rock asphalt concrete considering moisture, high-temperature, and stress level

International Journal of Pavement Engineering, 2021
Rock asphalt has been widely used to improve the performance of asphalt concrete, owing to its cost efficiency and beneficial modification effect. However, the moisture and high-temperature effects interdependently determine the degradation of fatigue ...
Jiaolong Ren   +4 more
semanticscholar   +1 more source

Three-dimensional microstructure based model for evaluating the coefficient of thermal expansion and contraction of asphalt concrete

Construction and Building Materials, 2021
The coefficient of thermal expansion (CTE) and contraction (CTC) are critical parameters for pavement design and thermal analysis. This paper develops a 3-D microstructure-based FE model to evaluate the CTE and CTC of asphalt concrete.
Jiaqi Chen   +4 more
semanticscholar   +1 more source

The effects of porosity, asphalt content and fiberglass incorporation on the tensile strength and resilient modulus of asphalt concrete blends

, 2021
Asphalt concrete is the prevailing material used for road surface construction. Its adequate characteristics in providing stability, durability and driving safety are controlled by complex interactions between its components.
G. P. Piuzzi   +3 more
semanticscholar   +1 more source

Sustainable asphalt concrete containing high reclaimed asphalt pavements and recycling agents: Performance assessment, cost analysis, and environmental impact

Journal of Cleaner Production, 2020
In this study, mechanical performance, environmental impacts, and economic benefit criteria are considered so as to introduce sustainable asphalt mixtures containing a high content of reclaimed asphalt pavements.
H. Jahanbakhsh   +3 more
semanticscholar   +1 more source

Mesomechanical prediction of viscoelastic behavior of asphalt concrete considering effect of aggregate shape

, 2021
Accurate prediction of effective (overall) viscoelastic properties and mesoscopic responses of asphalt concrete is crucial to investigating the mechanical behavior and damage mechanisms of asphalt pavement.
Yiren Sun   +6 more
semanticscholar   +1 more source

Effect of steel wool fibers on mechanical and induction heating response of conductive asphalt concrete

International Journal of Pavement Engineering, 2020
This study characterises the mechanical, rheological, induced heating, and induced healing behaviour of asphalt concrete containing steel wool fibers (SWFs) as the conductive constituent.
Mohammad M. Karimi   +4 more
semanticscholar   +1 more source

Full-field measurement and fracture and fatigue characterizations of asphalt concrete based on the SCB test and stereo-DIC

, 2020
This study investigated the full-field displacement and strain fields of asphalt concrete under semi-circular bending (SCB) through the stereo-digital image correlation (stereo-DIC) technique. Fracture and fatigue tests were conducted with two high-speed
F. Yuan   +6 more
semanticscholar   +1 more source

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