2024715· The application of lightweight aggregates (LWA) in concrete is aimed mainly at the reduction of weight, improvements of durability, or better thermal …
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83· In this study, recycled concrete fines were granulated and used as lightweight aggregates. Ladle slag, a steel industry residue, was used as a …
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Structural lightweight aggregate-Structural aggregate meeting the requirements of ASTM C 330 with bulk density less than 70 lb/ft3 (1120 kg/m3) for fine aggregate and less than 55 lb/ft3 (880 kg/m3) for coarse aggregate. This includes aggregates prepared by expanding, pelletizing, or sintering products such as blast-furnace slag, clay, fly ash, shale, or slate, and aggregates …
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313· The global aggregates market size was valued at USD 463.3 billion in 2019 and it also exhibits rapid growth. Natural aggregates mainly consist of manufactured crushed stone and sand created by the crushing of bedrock or naturally occurring unconsolidated sand and gravel. These aggregates are mainly used for various construction applications all over the …
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1.5.1.6 Slag Slag aggregates are obtained by crushing of smelter slag or by special treatment of fire-liquid slag melt (molten slag aggregates). Currently there are many types of concrete that are developed and used in construction that include metallurgical slags both as a binding component and as fillers. Slag, generally classed as a synthetic aggregate (also called artificial …
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Furthermore, the microstructure investigation showed that no wall effect occurred in the ITZ of the AAC. The ITZ structure of the hardened AAC was also more compact and uniform than that of the OPC concrete. Keywords: lightweight aggregate; ambient curing; water–solid ratio; fly ash–slag alkali-activated concrete; mechanical properties
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• By-product lightweight aggregates prepared by crushing, then sized by screens using granulated slag, organic cinders and coke from steel mill waste. • …
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Steel aggregates have a high abrasion and crushing resistance for road applications: air cooled blast furnace products bond particularly well to cement and bitumous binders. They also offer significant environmental benefits such as the reuse or recycling of material and the avoidance of the need to quarry natural aggregates.
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When necessary, combine fine aggregate with natural aggregate, iron blast furnace slag, reverberatory furnace slag, or crushed concrete to produce Michigan Class 21AA, 21A, 22A, and 23A dense-graded aggregates in accordance with Table 902-1, Table 902-2, and this subsection.
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91· In order to further reduce the carbonation curing time and mechanical performance of steel slag-based artificial aggregates, they employed EDTA as an additive to improve the carbonation efficiency. After only 4 h of carbonation, the carbonated steel slag-based artificial aggregates obtained a crushing values of 7.99–8.80% [24].
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Industry leaders trust our superior aggregates for their most demanding projects. Our comprehensive range of crushed rock, stone, sand and gravel meets …
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201687· After collection of steel slag aggregate from a local steel manufacturing company, the steel slag aggregate was separated into lightweight (SL), heavyweight (SH), and mixed (SM) slag aggregates.
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145 3, Properties of lightweight aggregates produced with cold-bonding pelletization of fly ash and ground granulated blast furnace slag 2 Materials and methodology 2 Properties of materials used in lightweight aggregate and concrete production The fly ash used in the study was provided from Yumurtalık-Sugozu Thermal Power Plant. The chem- ical composition of fly ash is similar to …
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The lightweight aggregate can be categorized as natural and artificial aggregates such as pumice, scoria, and those of volcanic origin, expanded blast-furnace slag, vermiculite, and clinker aggregates [3].
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145 3, Properties of lightweight aggregates produced with cold-bonding pelletization of fly ash and ground granulated blast furnace slag 2 Materials and methodology 2 Properties of materials used in lightweight aggregate and concrete production The fly ash used in the study was provided from Yumurtalık-Sugozu Thermal Power Plant. The chem- ical composition of fly ash is similar to …
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d fly ash aggregate using cement, bentonite, furnace slag and metakaolin. Mechanical strength properties of variou fly ash aggregate were tested for crushing strength and impact strength. The investigation results suggested that the cold-bonded fly ash lightweight aggregate using slag showed a highest crushing st
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201311· Crushing strength of lightweight aggregates depends on the efficiency of production, type of binder used and size of the aggregate formed. Fly ash based slag pellets …
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83· In this study, recycled concrete fines were granulated and used as lightweight aggregates. Ladle slag, a steel industry residue, was used as a …
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11· Developing geopolymer lightweight aggregates (GLAs) is explored in this study through crushing technique, which has a good prospect for massive industrial production.
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111· In this study, a novel bio-based cold-bonded lightweight aggregates (BCBLWAs) was developed with the use of converter steel slag and miscanthus powder via CO 2 curing. The aggregates using steel slag as a binder show relatively …
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11· Developing geopolymer lightweight aggregates (GLAs) is explored in this study through crushing technique, which has a good prospect …
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313· The global aggregates market size was valued at USD 463.3 billion in 2019 and it also exhibits rapid growth. Natural aggregates mainly consist of manufactured crushed stone and sand created by the crushing of bedrock or naturally occurring unconsolidated sand and gravel. These aggregates are mainly used for various construction applications all over the …
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The lightweight aggregate can be categorized as natural and artificial aggregates such as pumice, scoria, and those of volcanic origin, expanded blast-furnace slag, vermiculite, and clinker aggregates [3].
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83· The results showed that the ladle slag content of 30% cured in a humidity chamber produced the strongest granules, with a crushing strength of 127 N, which was 135% greater than a commercial lightweight aggregate. The granules generally had satisfactory density and water absorption with a higher ladle slag content.
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2024730· This study recommends that additional physical and mechanical characteristics of the PET aggregates such as durability of aggregate, permeability of aggregate, aggregate crushing strength, elastic modulus and Weibull modulus of aggregate could be determined.
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2024212· This approach was presented by producing core–shell lightweight aggregates with low density and good mechanical properties from water treatment sludge and cement composite as a shell and expanded perlite as a core by the cold-bond method. Moreover, the effects of cement content on the aggregate properties were investigated.
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d fly ash aggregate using cement, bentonite, furnace slag and metakaolin. Mechanical strength properties of variou fly ash aggregate were tested for crushing strength and impact strength. The investigation results suggested that the cold-bonded fly ash lightweight aggregate using slag showed a highest crushing st
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