Red Asphalt

Objective

Many accidents happen due to the weak wheel’s resistance on the normal asphalt, so introducing new technologies to minimize the number of accidents is essential Therefore, using red asphalt can be a good solution

Summary

With red asphalt, the chance of that will decrease maximum tire contact with the roadway, high contrast lane markings, and fuel efficiency Moreover, to reduce the number of accidents occurring using the red asphalt will help with low friction issues Red asphalt can also enhance lighting savings, by using longer space between the lighting poles and the lifespan than the black one, and minimize heat absorption in the summer, which helps to preserve tires and roads Besides, it gives a better appearance

Presentation

Background of the idea

Processing by polymers, addition diluted oils, add colors and elements, to determine the most effective substance for the development and preservation of asphalt, for as long as possible to finally use the best modified asphalt on the streets
The modification of asphalt by adding polymer has been developed for resistance to cracks, thermal
cracking, and stress damage Addition materials for the general improvement of the asphalt such as fiber,
chemicals, and organic substances, industrial rubber, and plastic residues
Several colors were tested such as iron oxide, yellow G 313 orange 340 brown iron oxideS 10 Iron oxide violet 610 Emerald green 210 Sapphire blue 410 Chrome green 5396 big red 3132 ultramarine blue 462 iron oxide red 110 etc all materials have increased slip resistance in varying degrees, also addition diluted oils are an effective way to soften asphalt

Procedure

  • Material Mixing

Pigment modified asphalt and bituminous samples were prepared in the laboratory. For normal bitumen, 3-5% of pigment concentration (by weight of total mix) has been recommended. However, a mean value, 4% pigment by weight of total mix was chosen for this research. Aggregates and pigments were mixed to produce colored asphalt mixtures as summarized below.
Iron oxide was mixed with asphalt mixtures by using the procedure summarized below. Aggregates should be heated at 130-140 °C before mixing with pigments. Pigments are then mixed with aggregates. Preferably for 60 to 90 s with the minimum time of 10 to 15 s to avoid the formation of agglomerates (pigment lumps).

  • Heat Generating

Plate heaters were used as a heat-generating electronic device The extended portion of the heat sink was covered with cotton to avoid any unusual heat loss Three different heat fluxes based on, 800 1000 and 1200 W/m2 for simulating the solar radiations in the lab, were provided to each of the samples to investigate the thermal performance
Asphalt production temperature the temperature of colored asphalt cement is 155-165 °C stone heating temperature 165 175 discharge temperature of 145-165 °C mixing paving and compaction temperature higher than 145 °C The temperature of colored asphalt was 160-170 °C

  • Maxing Method and Technology:

The mixing method and technology requirements of the color asphalt mixture with ordinary asphalt mixture is basically the same, in the production of color asphalt mixture, mixing with cylinder should be clean, to prevent the original black asphalt pollution in order to make the pigment distribution, mixing time of 10 to more than the ordinary asphalt concrete 15 s
Spreading light-colored binder prepared as adhesive layer oil spraying dosage of 0.3 L/m2

References

[1 ](Xin, Z. G. 2014 ). Research Application of Colored Asphalt Mixture Pavement. Advanced Materials Research, 900 , 459 462 .https://doi.org/ 10.4028 /www.scientific.net/ 900.459
[ 2 ] (Xin, Z. G. 2014 ). Research Application of Colored Asphalt Mixture Pavement. Advanced Materials Research, 900 , 459 462 .https://doi.org/ 10.4028 /www.scientific.net/ 900.459
[3] Kawther, Khawla; Al-Attar, T.S.; Al Neami, M.A.; AbdulSahib, W.S. 2018 ). Colored asphalt and street print are decorating paving in public
[4] Lima, M. S., & Thives , L. P. 2020 ). Evaluation of red mud as filler in Brazilian dense graded asphalt mixtures. Construction and Building Materials, 260 , 119894
[5] https://pavementinteractive.org/reference desk/materials/asphalt/asphalt production and oil refining/
[6] specialties.bayt.com/ar/specialties/268616mushreqabdulmajeed , Senior Project Supervisor, Lagoon Spring Company

Responses

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    Figures are not clear. You should add some of your experimental results to the presentation. Also, the results need to be compared with other research results.

    Your presentation needs to be improved. I can read what is in the slides, use fewer words and more figures, also, try to practice before the presentation (I can hear a lot of the word “ok”)
    good luck,

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