Jahanbakhsh et al. (2018) found that the addition of carbon black (CB) into asphalt binder could improve the electromagnetic sensitivity and mechanical strength of the asphalt concrete, and ...
The asphalt binders containing Styrene–butadiene–styrene copolymer (SBS) triblock copolymer filled three kinds of carbon black (CB, including N330, N650 and N990) were experimentally ...
It is of great benefit to the environment and the economy to use discarded tires pyrolysis carbon black (TPCB) nanoparticles as a modifier for asphalt binders. A base asphalt binder with 60/80 penetration (GF-70) was selected to prepare the TPCB-modified asphalt binder (TPCB/GF-70) with a 15% dosage of TPCB by the melt blending method. The test …
Theory and practice developed in the extensive use of carbon black as a reinforcing agent for rubber has led to the concept of asphalt reinforcement, and the potential value of carbon black as a new material in asphalt technology. To demonstrate the usefulness of carbon black in asphalt pavements, it was necessary to develop pelleted carbon ...
Carbon black has been used as a modifier in conventional binders together with a relatively low percentage of SBS polymer. In addition, an Evotherm additive has been combined by the wet way with ...
Based on the Box-Behnken design (BBD), carbon black/bio-oil composite modified asphalt was prepared to perform the softening point, penetration, multiple stress creep and recovery (MSCR), and bending beam rheometer (BBR) tests. The response surface method (RSM) was used to analyze the test results. In addition, the base asphalt mixtures and the ...
Different types of carbon-based materials that have been used are carbon fiber [11], [12], flake graphite and exfoliated graphite [13], [14] and carbon black (CB) [12], [15], [16]. Given the findings in previous researches, high content of the conductive fiber is needed to enhance the conductivity and sensitivity of the asphalt concrete to the ...
Carbon black is one of the mineral fillers and is used to improve durability, the wear resistance, and the temperature susceptibility of hot mix asphalt [16, 17]. More than 40 specification grades of carbon black (CB) are manufactured for the rubber, ink, and plastics industries by a partial combustion process [ 18 – 20 ].
As an additive to improve the performance of asphalt binder, tire pyrolysis carbon black is gradually being used in road engineering, but the effect of carbon black (CB) with different particle ...
This paper deals with the performance of mixtures of asphalt, pyrolyzed carbon black (CB p), and two aggregates (limestone and slag). Marshall mix design was performed to determine the optimum binder content at 6% of air voids. The range of the optimum binder content was 4.2%–5.5% for limestone mixtures and 6.3%–7.8% for slag mixtures ...
As environmentally friendly materials, carbon black and bio-oil can be used as modifiers to effectively enhance the poor high-temperature and low-temperature performance of base asphalt and its mixture. Different carbon …
This modifier is ultimately expected to enhance the performances of both the base and CR modified asphalt. First, the graphene/carbon black composite (GC) was prepared by the ball milling method and used to modify the asphalt binders. Then, the dynamic viscoelastic mechanical tests, i.e., multiple stress creep recovery (MSCR), linear amplitude ...
In this study, three kinds of particle sizes and three kinds of contents of CB were used to modify asphalt, and different tests were conducted to research the high temperature performance and fatigue resistance of carbon …
The conductive asphalt mixture is achieved by adding conductive materials (such as carbon fiber, graphite, carbon black, steel fiber, etc.) into common asphalt mixtures [13,14,15]. To investigate the effect of pyrolytic carbon black on the electrothermal properties of bitumen, six carbon black contents (3%, 6%, 9%, 12%, 15%, and 18% by weight ...
This paper reports the results of laboratory tests performed to verify the effectiveness of carbon black in improving those properties of asphalt concrete which may influence the structural …
First, asphalt was heated to 150 °C and 0.5 wt% carbon black was incorporated in asphalt and sheared for 20 min at 5000 r/min and 150 °C. Next, the prepared modifier powder was added to asphalt by the mass fractions of 3 %, 5 %, and 7 %, and further sheared for 40 min at 5000 r/min and 150 °C. Finally, the obtained ACEP was poured into ...
In this study, carbon black and bio-oil are used as modifiers to be added to the base asphalt. With carbon black content, bio-oil content, and shear time as variables, the BBD method was used …
Carbon black is mainly used to strengthen rubber in tires, but can also act as a pigment, UV stabilizer, and conductive or insulating agent in a variety of rubber, plastic, ink and coating applications. Apart from tires, other everyday uses of carbon black include hoses, conveyor belts, plastics, inks and automotive coatings. ...
Asphalt modification could be a solution to premature failure like the development of early cracks, potholes, rutting problems, etc. One of the most effective modifiers used in previous researches is pyrolysis carbon black (PCB). …
In this study, three kinds of particle sizes and three kinds of contents of CB were used to modify asphalt, and different tests were conducted to research the high temperature …
The effect of carbon black used as a filler on the mechanical and electrically conductive properties of two types of asphalt mixtures was investigated.
AGING AND RHEOLOGICAL PROPERTIES OF CARBON BLACK MODIFIED ASPHALT BINDERS. This paper describes how asphalt pavement are used extensively because straight asphalt has the advantage of providing a high-performance road surface at a low cost. However, there are also several disadvantages. The weaknesses of straight asphalt include …
To modify the Asphalt, carbon black additive with 4, 8, 12, and 16 wt% of Asphalt was added. Table 5 displays the specifications of the modified Asphalts that were used in this study. Pure Asphalt was heated to 160°C, and the desired amount of additive was added. The mixture was stirred for 90 min at a frequency of 50 Hz using a mixer.
Rheological Properties and Mechanism of Asphalt Modified with Polypropylene and Graphene and Carbon Black Composites. ... Yanling Wu, Yanmin Wang, Investigation on chemically modified carbon black in enhancing asphalt performance, Case Studies in Construction Materials, 10.1016/j.cscm.2023.e02488, 19, (e02488), (2023). Crossref.
Austek Asphalt Services (Austek) is an Australian company who have developed a production facility designed to reduce the carbon intensity of asphalt production. RPS undertook a carbon assessment to estimate the GHG …
Addition of carbon black nano-particles has enhanced the conventional asphalt binder properties. For instance, 10% CBNPs content in conventional binder has reduced the penetration and ductility ...
Carbon black from pyrolysis of waste tires was used to modify and improve the fatigue properties and low temperature cracking of asphalt binder. 0%, 5%, 10%, 15% and 20% of pyrolyzed carbon black ...
Carbon black (CB) with higher oil absorption improves the properties of asphalt. The anti aging, electrical and thermal conductivity of asphalt was improved by CB. The …
DOI: 10.1016/j.cscm.2023.e02488 Corpus ID: 262158657; Investigation on Chemically Modified Carbon Black in Enhancing Asphalt Performance @article{Sun2023InvestigationOC, title={Investigation on Chemically Modified Carbon Black in Enhancing Asphalt Performance}, author={Cuicui Sun and Ruichao Hao and Huadong Sun and Tong Lu and Qian Tang and …
Dispersing submicron carbon black in road asphalt at a dosage of 11-16% of the asphalt weight can significantly improve the durability, wear resistance and temperature-viscosity …
حقوق النشر © 2024.Artom كل الحقوق محفوظة.خريطة الموقع