Results 61 to 70 of about 312 (174)

Rheological and Microstructural Investigation of the Effects of Rejuvenators on Reclaimed Asphalt Pavement Bitumen by DSR and AFM

, 2021
Utilization of RAP in asphalt pavements may lead to severe quality problems, mostly due to asphalt aging phenomenon. Within the scope of this study, the use of rejuvenators to improve the properties of RAP is investigated.
KAYA ÖZDEMİR, DERYA, TOPAL, ALİ, Aghazadeh Dokandari, Peyman   +2 more
core   +1 more source

Vacuum Residue as Antioxidant and Rejuvenator Agent for Bitumen

ES Materials & Manufacturing
This research presents a laboratory study on a 100/130 bitumen treated with a vacuum residue (VR), i.e., the residue of vacuum distillation of oil, as a possible effective agent against bitumen aging. The VR was added to the bitumen before aging, in order to evaluate its antioxidant effect, and after aging to evaluate the rejuvenating effect.
Loise, Valeria, Porto, Michele, Bruno, Leonardo, Calandra, Pietro, Teltayev, Bagdat, Rossi, Cesare Oliviero, Caputo, Paolino   +6 more
openaire   +2 more sources

Nano-silica enhanced recycled asphalt mixtures: a sustainable approach to pavement performance optimization

Discover Civil Engineering
Recycled Asphalt Pavement (RAP) utilization faces challenges including performance variability and moisture susceptibility, particularly at higher percentages.
S. Preethi, P. T. Ravichandran
doaj   +1 more source

NEW EXPERIMENTAL APPROACHES TO ANALYSE THE SUPRAMOLECULAR STRUCTURE OF REJUVENATED AGED BITUMENS

NEWS of National Academy of Sciences of the Republic of Kazakhstan, 2019
Bitumen aging occurs through volatilization, oxidation and supramolecular assembly variations involving drastic changes in the structure of the material. Due to the ageing process of bitumen and its corresponding increase in viscosity, the stiffness of asphalt pavement is increased during its lifetime.
Michele Porto, Paolino Caputo, Valeria Loise, Bagdat Burkhanbaiuly Teltayev, Ruggero Angelico, Pietro Calandra, Cesare Oliviero Rossi   +6 more
openaire   +5 more sources

Questionify gamification in education

, 2018
In the education industry, lecturers are finding ways to improve students’ concentrations and grades by using smart devices to track students’ assignment or tutorial progress.
Mustapha, Aida, Che Abdul Rani, Mohamad Firdaus, Kasinathan, Vinothini, Fauzi, Rahmat   +3 more
core  

Towards critical low-temperature relaxation indicators for effective rejuvenation efficiency evaluation of rejuvenator-aged bitumen blends

, 2023
The relaxation behavior affected by aging and rejuvenation plays a crucial role in its low-temperature cracking potential of bitumen. However, there are limited studies on the relaxation performance of rejuvenated bitumen under different rejuvenation ...
Ren, S. (author), Liu, X. (author), Erkens, S. (author)   +2 more
core   +1 more source

Optimizing Chemical & Rheological Properties of Rejuvenated Bitumen

, 2016
Bitumen has long been a material used in the construction of roadways, yet new pavement only consists of low fractions of recycled materials due to poor compatibility of aged bitumen and new materials.
Kommidi, Santosh, Nguyen, Dominic, Haghshenas Fatmehsari, Hamzeh, Kim, Yong-Rak   +3 more
core  

Evolution of rheological parameters and apparent molecular weight distribution in the bitumen from reclaimed asphalt with rejuvenation and re-ageing

, 2021
The paper aims at analysing the evolution of the rheological behaviour of the bitumen extracted from reclaimed asphalt (RA) with rejuvenation (blending of virgin and RA bitumen, with addition of a rejuvenator) and re-ageing.
Marsac, Paul, Marsac P., Bocci E., Prosperi, Emiliano, Bocci, Edoardo, Prosperi E.   +5 more
core   +1 more source

Application of Waste Cooking Oil as a Rejuvenator for Aged Bitumen

IOP Conference Series: Earth and Environmental Science
Abstract Bitumen/asphalt is used as a binder in flexible pavements. It is obtained from petroleum which is a non-renewable source of energy. Therefore, use of recycled asphalt pavement (RAP) is sustainable and economical as it replaces the fresh bitumen in the mix design.
Prachi Singhal, Archana Bohra Gupta
openaire   +1 more source

7th International Conference on Maintenance and Rehabilitation of Pavements and Technological Control (MAIREPAV 2012)

, 2012
This paper investigates the novelty of using waste cooking oil (WCO), which is frequently found as a polluting waste material in landfills and rivers from the food industry, to rejuvenate the bituminous binder.
Ahmadinia, E., Karimi, A., Asli, H., Zargar, M., Karim, M. R.   +4 more
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