2025515· Ultra-high performance concrete (UHPC) is a class of specially formulated cementitious composite characterized by a compressive strength in excess of 120 MPa and a …
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Coarse aggregate is defined as aggregate predominantly retained on the 4.75 To obtain good quality concrete, the compactness of the aggregate bulk has to be high, that is, to follow …
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814· Exploring Coarse Aggregates: The Backbone of Construction and Beyond. In the vast arena of construction and infrastructure development, one term takes center stage: "coarse aggregates." These essential …
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200151· Based on volumetric gradation procedure, the voids of coarse aggregate (VCA) is regarded as a good measure to evaluate compactness of coarse aggregate. A vibrating …
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Based on size: According to size, aggregates are classified as coarse aggregate, fine aggregate and all-in-aggregate The aggregate retained on the 4.75 mm sieve is identified as coarse …
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For better soundness, compactness, band, and workability of concrete, a coarse aggregate of nominal size 20mm and sand as fine aggregate is recommended for normal concreting. …
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A technology of shape parameters and calculation methods, applied in the direction of analyzing materials, material inspection products, measuring devices, etc., can solve the problems of low …
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1212· The initial accumulation state of coarse aggregates in asphalt mixtures has a compactable space. In this paper, the theoretical compaction space is studied for three groups …
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This addition not only enhances the compactness but also addresses the density of fine aggregate, ensuring a balanced and well-structured concrete mix. Filling voids between …
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927· Improving recycled coarse aggregate (RCA) and recycled coarse aggregate concrete (RCAC) by biological denitrification phenomenon improved 24.6%, 24.1%, and …
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3)void of mineral aggregate 4)voids of coarse aggregate 1.Based on volumetric gradation procedure,the voids of coarse aggregate(VCA)is regarded as a good …
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202521· Fig. 5 c shows that the apparent density increased from 2.30 to 2.86 g/m 3 with microbe, which indicated that the compactness of the recycled coarse aggregate was …
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92· The modification method and the replacement rate of recycled coarse aggregate (RCA) have a great influence on the properties of recycled aggregate concrete (RAC). This …
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121· RAC with waste concrete as coarse aggregate is the most widely used at present. The research on RCCA concrete has been very completed. And it has standard …
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613· Pavement is gradually compressed by the loose three-phase system [4].During the compaction process, with the penetration of asphalt binder, the aggregate rotates and …
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3)void of mineral aggregate 4)voids of coarse aggregate 1.Based on volumetric gradation procedure,the voids of coarse aggregate(VCA)is regarded as a good …
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Schematic illustration of how compactness of aggregates can cause them to be heavier or lighter compared to a monomer of the same size. For simplicity a monodisperse monomer size …
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2025523· Wang [20] considered the different primary and secondary roles of coarse and fine aggregates in the asphalt mixture skeleton, deriving separate gradation equations for …
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2024410· The coarse aggregate augmented the compactness of concrete, reduced the opening porosity, and thus enveloped the frost resistance of concrete (Ye, ; Yuan, ). …
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This document describes an experiment to determine the bulk density of coarse aggregates. The experiment involved measuring the weight and volume of coarse aggregates compacted into a …
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2020130· The compactness of the concrete matrix was the key factor influencing the durability of the SFRCAC. The durability performance of the SFRCAC increased as the The …
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This document describes an experiment to determine the bulk density of coarse aggregates. The experiment involved measuring the weight and volume of coarse aggregates compacted into a …
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When the content of recycled coarse aggregate is 30%, 50%, 70%, and 100%, the 28 d compressive strength of recycled concrete increases by 14%, 7.9%, −15.9%, and −18.6%, …
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2024410· The coarse aggregate augmented the compactness of concrete, reduced the opening porosity, and thus enveloped the frost resistance of concrete (Ye, ; Yuan, ). …
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This document describes an experiment to determine the bulk density of coarse aggregates. The experiment involved measuring the weight and volume of coarse aggregates compacted into a …
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92· The modification method and the replacement rate of recycled coarse aggregate (RCA) have a great influence on the properties of recycled aggregate concrete (RAC). This …
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