Results 151 to 160 of about 339 (178)
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Foamed bitumen: an alternative way of producing asphalt mixtures
Ciência & Tecnologia dos Materiais, 2017Abstract With the constant need to improve and make the production of asphalt mixtures more sustainable, new production techniques have been developed, the implementation of which implies the correct knowledge of their performance. One of the most promising asphalt production techniques is the use of foamed bitumen.
Abreu, Liliana Patrícia Ferreira +5 more
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Effect of laboratory foamer on asphalt foaming characteristics and foamed mixture properties
International Journal of Pavement Engineering, 2015AbstractIn the United States, mechanical foaming is the most popular method for producing warm mix asphalt, which is the latest technology implemented to reduce the production temperature and/or enhance the compactability of asphalt mixtures. Three commonly used commercially available laboratory foamers to produce asphalt foams include the Wirtgen WLB ...
Fan Yin +2 more
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Sensitivity of Nozzle-Based Foamed Asphalt Binder Characteristics to Foaming Parameters
Transportation Research Record: Journal of the Transportation Research Board, 2014Foam-based warm-mix asphalt technologies decrease the overall viscosity of the asphalt mixture at lower temperatures so that it is workable during construction. However, after construction, viscosity increases rapidly as the foam disappears and the temperature drops.
Hande I. Ozturk, M. Emin Kutay
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Failure Investigation of a Foamed-Asphalt Highway Project
Journal of Infrastructure Systems, 2006This paper documents an investigation into the cause of structural distress (alligator cracking and deep rutting) found in a foamed-asphalt warranty project in Texas. This is a unique forensic study involving a warranty specification, where the contractor may or may not be liable for the cost of repairs, depending on the outcome of the study. Extensive
Dar-Hao Chen +4 more
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Bitumen Chemical Foaming for Asphalt Paving Applications
Industrial & Engineering Chemistry Research, 2010As an alternative to traditional hot-mix asphalt paving, bitumen foaming technologies have been extensively used in road recycling over the last decades. However, much more work on the use of foam-enhancing chemical agents is needed. This research deals with the influence that temperature and processing protocol exert on the bitumen foaming process ...
Virginia Carrera +4 more
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Evaluation of the Properties of Recycled Asphalt Mixtures Using Foamed Asphalt Binders
International Journal of Highway Engineering, 2023Sang Gu Park, Jin hoon Jeong
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Construction and validation of a model for asphalt foaming behavior
Physics of FluidsAsphalt and water produce foamed asphalt through contact collision, turbulent mixing, heat and mass transfer. In this process, the viscosity change of asphalt affects the flow characteristics and heat transfer of the fluid, and the gas content in foamed asphalt is determined by the transformation rate of water from liquid state to gas state.
Haiying Cheng +4 more
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Mechanism exploration of the foamed asphalt binder using the Molecular Dynamics (MD) method
Journal of Cleaner Production, 2022Qingli Dai, Hui Yao, Zhanping You
exaly
Properties of Foamed Asphalt for Warm Mix Asphalt Applications
2015David E. Newcomb +6 more
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