Wellington Lorran Gaia Ferreira

He holds a degree in Civil Engineering from the Federal University of Ceará (UFC)/Brasil in 2013, with an exchange period at the Universitat Politècnica de València (UPV), Spain. He holds a Master's degree in Transport Engineering from UFC in 2015, completed in the Postgraduate Program in Transport Engineering (PETRAN). He holds a PhD in Transport Engineering from PETRAN/UFC and completed in 2021, with an exchange period at The University of Texas at Austin, USA. Since April 2016, he has been a Professor of the Civil Engineering course at the Federal Rural University of Semi-Árido (UFERSA)/Caraúbas Campus, currently Adjunct II. He was the coordinator of the Civil Engineering course at UFERSA/Caraúbas between 2022 and 2023. He has experience in Civil Engineering, with an emphasis on Transport Infrastructure, especially focused on the characterization of materials used in paving services, road safety and environmental impacts in transport.

RESEARCH, TEACHING, or OTHER INTERESTS

Engineering

Scopus Publications

Evaluate the Impact of the Reclaimed Asphalt Pavement (RAP) Binder Activation on its Shape Properties
Wellington L. G. Ferreira, Verônica T. F. Castelo Branco, Kamilla L. Vasconcelos, and Amit Bhasin
RILEM Bookseries Springer International Publishing



The impact of the rap cluster dissociation on gradation and shape properties of aggregates from recycled asphalt mixtures




Fundamental investigation of the interaction mechanism between new and aged binders in binder blends
Anand Sreeram, Zhen Leng, Ramez Hajj, Wellington L. G. Ferreira, Zhifei Tan, and Amit Bhasin
Informa UK Limited
ABSTRACT Determining the permissible amount of reclaimed asphalt pavement (RAP) in new pavement mixes is a design challenge for pavement practitioners due to the limited understanding regarding the interaction between the aged and unaged binders in these mixtures. In this study, the solubility related molecular interactions of blended binders comprising of aged-unaged fractions was evaluated using an extension of the Hansen Solubility Parameter (HSP) model. Virgin binder was blended with aged binders from two different sources, at proportions of 15%, 30%, and 50%. These binder blends were evaluated using a method of titrations to identify their internal stability and relative extents of intermolecular interactions in terms of dispersive forces, hydrogen bonding, and polar interactions. The results implied that small proportions of aged binders have limited effect on the original stability of the unaged binders. Further Fourier transform infrared spectroscopy and gel permeation chromatography tests revealed that the oxidative elements in the blended binders increased with the increasing percentage of aged binders. It is theorized that these fractions will affect the polydispersity of the molecules through increased molecular associations. It is advised that incorporation of higher RAP contents in mixtures should ideally involve some consideration of the chemistries of the intermixing binders.


The impact of aging heterogeneities within RAP binder on recycled asphalt mixture design
Wellington L.G. Ferreira, Verônica T.F. Castelo Branco, Kamilla Vasconcelos, Amit Bhasin, and Anand Sreeram
Construction and Building Materials Elsevier BV



A micro-extraction method for use with 4 mm plate geometry in the Dynamic Shear Rheometer to evaluate asphalt binder rheology
Angelo Filonzi, Sang Ki Lee, Wellington Ferreira, Ramez Hajj, and Amit Bhasin
Elsevier BV



Aging differences within RAP binder layers




Evaluation of coal ash use as an adhesion improver in asphalt mixtures
Marioleide de Farias Xavier, Wellington Lorran Gaia Ferreira, and Verônica Teixeira Franco Castelo Branco
FapUNIFESP (SciELO)
RESUMO A presença de umidade em misturas asfálticas pode interferir na adesão entre o ligante asfáltico e os agregados, bem como no próprio filme de ligante asfáltico o que pode causar falha coesiva. Neste trabalho, avaliou-se o uso de cinzas de carvão mineral como fíler e melhorador de adesividade em misturas asfálticas. Esse material foi comparado com a cal hidratada e o pó de pedra. Foram coletadas 36 amostras de cinza na usina UTE Energia Pecém/São Gonçalo do Amarante-CE, e realizou-se uma caracterização química por meio do ensaio de fluorescência de raios-X. Verificou-se que cerca de 68% das cinzas são pertencentes à classe C, sendo o restante das cinzas enquadrado na classe F. Na avaliação da resistência ao dano por umidade, por meio do ensaio de Lottman, verificou-se que o uso de 4% de cinzas, como fíler, nas misturas asfálticas gerou resultados similares aqueles encontrados para a mistura asfáltica contendo fíler natural. O uso das cinzas combinadas com a cal conduziu a um aumento de resistência ao dano por umidade nas misturas. Ressalta-se que o fato de algumas cinzas pertencerem a classe C ou F, ou mesmo o fato de algumas cinzas serem mais alcalinas que outras, não necessariamente conduziram a ganhos significativos de resistência ao dano por umidade nas misturas asfálticas compostas pelas mesmas.