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2024418 · Coal bottom ash (CBA) which is waste and environment contaminant has been used in grinded and raw form as replacement of Portland cement (PC) and natural fine aggregates (NFA) in concrete. The combined effect of grinding period (GP) (2–10 h), grinded CBA (GCBA) (10–30%), and raw CBA (0–50%) on strength and microstructural …
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201725 · It was observed that with the increase in the percentage of ceramic and surkhi powder the compressive and split tensile strength of the concrete mix increased, with its maximum value for the specimen in which 80% of the fine aggregates got replaced by mixture of ceramic and surkhi powder. For the specimen in which all of conventional fine ...
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2014121 · However, both strengths could be improved by incorporating silica fume and/or normal fine aggregates of 0–2 mm size in the RCA concrete mixture.
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Coarse aggregates are particles less than 4.75 mm in size; for larger aggregates, however, the range can be found from 9.5 mm and 37.5 mm in diameter. Fine aggregates, on the other hand, are so small in scale that they can pass through a 9-mm sieve.
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200111 · The purpose of the aggregate processing plant is to prepare the rock or mineral in a form suitable for its use as aggregate, commonly defined in terms of particle size and size distribution, particle shape and mechanical properties, e.g. compressive strength. As a result, the process plant usually contains only the unit processes of crushing and …
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20211213 · Abstract. This study explores the feasibility of utilizing recycled fine aggregates (RFA) in 3D mortar printing (3DMP) by evaluating the properties of 3D printing (3DP) mixtures with different contents of RFA (0%, 50%, and 100%) as well as sodium gluconate (0%, 0.6%, and 1.2%) before and after high-rate shearing from the perspective …
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2011318 · This paper aims to investigate the possibility of utilizing steel slags produced in Croatian plants as a concrete aggregate. Aggregate properties were determined on coarse slag fractions (4–8, 8–16 mm) according to the relevant European Standards. Considering the obtained results, slags were specified in accordance with the classes as …
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2021123 · Abstract and Figures The present study investigates the effects of rock crushing circuits on aggregate quality. For this purpose, a crushing-screening plant located in Vize (Kırklareli, Turkey ...
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2021621 · The efficiency of this treatment depends on aggregate size, for fine aggregates (<4 mm) the mortar removal is about 40% while for coarse aggregate (<24 mm) the mortar removal reaches to 70%.
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2024519 · This review will provide a reference for the application of concrete with recycled coarse or fine aggregate. Moreover, this review notes that replacing natural aggregates with both coarse and fine recycled aggregates …
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