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19 results on '"Borges Cabrera, Milkos"'

11. Performance Assessment of Self-Healing Polymer-Modified Bitumens by Evaluating the Suitability of Current Failure Definition, Failure Criterion, and Fatigue-Restoration Criteria

Author

Lv, Songtao, primary, Ge, Dongdong, additional, Wang, Ziyang, additional, Wang, Jinping, additional, Liu, Jing, additional, Ju, Zihao, additional, Peng, Xinghai, additional, Fan, Xiyan, additional, Cao, Shihao, additional, Liu, Dingyuan, additional, Zhang, Wenhui, additional, and Borges Cabrera, Milkos, additional

Published
2023
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12. Field measurement of strain response for typical asphalt pavement

Author

Song-tao Lü, Pihua Wen, Huai-de Zhou, Guoping Qian, Ce-ce Zheng, Borges Cabrera Milkos, Jun-hui Zhang, and Qinxue Pan

Subjects
Materials science, Fiber Bragg grating, Strain (chemistry), Asphalt, Metals and Alloys, General Engineering, Base (geometry), Modulus, Surface layer, Composite material, Layer (electronics), Dynamic load testing
Abstract

In order to reveal the changing law of the mechanical response of asphalt pavements under the action of vehicle load and provide references for the design of durable pavements, three typical asphalt pavement structures with flexible base (S1), combined base (S2), and semi-rigid base (S3) were selected to perform field strain tests under static and dynamic load using the fiber Bragg grating optical sensing technology. The changing characteristics of the strain field along the horizontal and depth directions of pavements were analyzed. The results indicate that the most unfavorable asphalt pavement layers were the upper-middle surface layer and the lower base layer. In addition, the most unfavorable loading positions on the surface layer and the base layer were the center of wheel load and the gap center between two wheels, respectively. The most unfavorable layer of the surface layers gradually moved from the lower layer to the upper layer with the increase of base layer modulus. The power function relationships between structural layer strain and vehicle speed were revealed. The semi-rigid base asphalt pavement was the most durable pavement type, since its strain value was lower compared to those of the other structures.

Published
2021

14. Analyzing the Self-Restoration Capability and Fatigue Performance of Room-Temperature Self-Reinforcing Self-Healing Elastomer Modified Asphalt Binder by Using the S-Vecd in the Pseudo-Strain Domain

Author

Borges Cabrera, Milkos, primary, Lv, Songtao, additional, Wu, Kai, additional, Li, Yuhan, additional, Ge, Dongdong, additional, Wang, Ziyang, additional, Wang, Jinping, additional, Liu, Jing, additional, Zihao, Ju, additional, Peng, Xinghai, additional, and Fan, Xiyan, additional

Published
2022
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19. A statistical study on the effect of water content, temperature and clay in soil reduction activity when processing contaminated recycled asphalt aggregate with screenless separation equipment with a vibration device

Author

Borges Cabrera, Milkos, Satomi, Tomoaki, and Takahashi, Hiroshi

Abstract

Waste asphalt blocks from construction sites are usually processed in the recycling plants to be used as recycled asphalt aggregates (RAA). At present, the RAA known as grizzly-under-materials (GUM) does not satisfy the required value for soil content, therefore it is used as roadbed materials. In 2009, a screenless piece of equipment was proposed to remove the soils from GUM, but it was necessary in 2013, to carry out a process of re-designing. This study shows a statistical analysis related to the effect of changing water content, temperature and clay, in soil reduction activity processing GUM with the newly screenless separation equipment. It was found that, from the point of view of statistics, difference arises in the equipment performance, when it was changed the soil contained in GUM and temperature, increasing the water content in the sample to process, besides, the highest difference was obtained changing soil, keeping constant temperature (15°C).

Published
2020
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