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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201687· After collection of steel slag aggregate from a local steel manufacturing company, the steel slag aggregate was separated into …
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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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The lightest air-cooled slag is as heavy as the heaviest lightweight aggregate; it is closer to a normal weight, sand-and-gravel aggregate. A ir- cooled slag is mostly used for road metal, …
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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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2025529· This study develops lightweight concrete using fly ash and epoxy resin-based polymer aggregates, achieving up to 15.36% weight reduction, improved flexural strength, and enhanced durability in acidic...
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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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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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2024121· The majority of artificial aggregates are lightweight aggregates, with individual crushing strengths of less than 10 MPa. Aggregates used in sintering processes generally exhibit minimal water absorption and possess more strength up to 8 MPa.
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CHAPTER 1—INTRODUCTION Hydraulic cement concrete is a cement and water paste in which aggregate particles are embedded. Aggregate is granular material such as sand, gravel, crushed stone, blast-furnace slag, and lightweight aggregates that usually occupies approxi-mately 60 to 75% of the volume of concrete.
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Most lightweight aggregate is produced from materials such as clay, shale, or slate. Blast furnace slag, natural pumice, vermiculite, and perlite can be used as substitutes, however. To produce lightweight aggregate, the raw material (excluding pumice) is expanded to about twice the original volume of the raw material. The expanded material has properties similar to natural aggregate, …
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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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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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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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322· Cold bonded aggregate (CBA) produced principally with concrete slurry waste (CSW) and municipal solid waste incinerator bottom ash (MSWIBA) was used to produce lightweight concretes products – precast masonry units (LWCMU). The properties of the concrete products prepared with the 100% coarse CBA and different fractions of mixed fine CBA and …
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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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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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2024121· The majority of artificial aggregates are lightweight aggregates, with individual crushing strengths of less than 10 MPa. Aggregates used in sintering processes generally exhibit minimal water absorption and possess more strength up to 8 MPa.
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3) Byproduct Lightweight Aggregates-prepared by crushing and sizing ed and granulated slag, cinders, and coke breeze. With the exception of processed slag, this group is becoming …
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2025529· This study develops lightweight concrete using fly ash and epoxy resin-based polymer aggregates, achieving up to 15.36% weight reduction, improved flexural strength, and enhanced durability in acidic...
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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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It was shown in Basa et al. [3] study that using sintered fly ash aggregate as a replacement for fine aggregates enhanced compressive strength, splitting tensile strength, and flexural strength. Cold bonded fly ash lightweight aggregate was employed to increase the per-meability of self-compacting concrete [4].
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2025423· Construction aggregate forms the backbone of every building project you see around you. These granular materials – including sand, …
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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 were produced in the present
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201687· After collection of steel slag aggregate from a local steel manufacturing company, the steel slag aggregate was separated into …
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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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