Feasibility Study of Antimony Waste Rock Coarse Aggregate High Strength Concrete
Publication: Earth and Space 2021
ABSTRACT
China has the most abundant antimony, accounting for 84% of the world. Due to the large amount of antimony ore waste rock produced by perennial mining, the antimony ore waste rock is deposited in the open air and need high treatment cost. The goal of this study is to provide a possibility to utilize the antimony waste rock as a complete replacement for coarse aggregate in high strength concrete. The chemical composition of the antimony ore waste rock is investigated. Then, the C50 concrete mix ratio is designed. The construction performance, mechanical properties, and durability performance are systematically studied. It is found that all indexes meet the requirements of the current national industry standards of China. It is shown the antimony waste rock can be reused as a complete substitute of coarse aggregates for high strength concrete.
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Earth and Space 2021
Pages: 123 - 131
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© 2021 American Society of Civil Engineers.
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Published online: Apr 15, 2021
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