نتایج جستجو برای: fine aggregates

تعداد نتایج: 137205  

Journal: :Journal of building engineering 2021

The use of secondary materials from waste or debris is a strategy that has been considered starting point for the successful transition to circular economy model. Globally, concrete like disused tires highly concerning, not only due magnitude existing volumes, which are increasing exponentially, but also environmental problems their elimination causes. In search new, more ecological constructio...

Journal: :Construction and Building Materials 2023

The manufacture of concrete using recycled aggregates (RCA) is an alternative used to reduce the exploitation natural resources and landfilling construction waste. This paper discusses suitability producing structural be exposed XC1-XC4 environment employing different percentages fine RCA (FRCA) coarse (CRCA) classified as type A. Two experimental phases were conducted in which 300 kg cement/m3...

Journal: :International Journal of Precision Engineering and Manufacturing-Green Technology 2021

Abstract Nowadays, the recycled fine aggregate sourced from construction and demolition waste is not frequently used in manufacturing of epoxy resin coatings. Therefore, main novelty article to prepare green coatings modified with a replacement ratio natural ranged 20 100%. The microstructural properties aggregates were analyzed using micro-computed tomography, scanning electron microscopy nano...

Journal: :International journal of engineering. Transactions C: Aspects 2022

Dumped construction waste (municipal solid waste) is a major threat to the environment in recent times due its abundance generation resulting from increased activities. Perhaps, scarcity of materials also alarming urbanization necessitating an alternative suitable material. Concerning above complications, this research encompasses sustainable use concrete fractions as replacement for natural fi...

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