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Laboratory Assessment of Dense Graded Asphalt Concrete Incorporating Coal Furnace Ash in South of Vietnam

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Abstract:

Currently, application of industrial waste or by-product in road construction industrials is a major interest by researchers, government officers and engineers. Coal ashes by-product from industrial parks negatively impact environment, costly in treatment, and require large ground for disposing areas. Therefore, this paper proposes on using the coal ash from furnace products of an industrial park in South of Vietnam to be incorporated into dense graded asphalt concrete using Nominal Maximum Aggregate Size 12.5mm. Laboratory performance tests including Marshall stability, indirect tensile strength, Cantabro loss, and dynamic fatigue test were conducted. The effects of coal ash contents in replacement of fine aggregate which is passing 4.75mm sieve from asphalt mixture into laboratory performance of mixture is also discussed in detail.

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Periodical:

Key Engineering Materials (Volume 879)

Pages:

117-125

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.879.117

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Online since:

March 2021

Authors:

Dang Tung Dang, Manh Tuan Nguyen*, Ngoc Tram Hoang, Anh Thang Le

Keywords:

Asphalt Concrete, Cantabro, Coal Ash, Fatigue Life, Indirect Tensile Strength, Marshall Stability

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