2025423· Construction aggregate forms the backbone of every building project you see around you. These granular materials – including sand, …
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111· The waste materials were mixed with Portland cement at 20–50 percent by weight to make artificial lightweight aggregates. To investigate the impacts of temperature on the physical properties, such as crushing strength, density, and water absorption, the pellets were sintered at 300, 600, and 900 °C for an hour.
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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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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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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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When crushed and sized properly, slag can be sold and used as valuable material in many different ways, for example, as aggregates. However, since slag …
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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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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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The tested lightweight sintered aggregate is an ideal alternative for agloporite aggregate, granulated slag or pumice-stone slag, as one of the main components of lightweight structural and pervious concretes.
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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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Learn about different aggregate types and their applications, and how they impact construction, landscaping, and other industries.
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Journal of Engineering and Applied Sciences is an online peer-reviewed research journal aiming at promoting and publishing original high quality research in all disciplines of Engineering Sciences and Technology
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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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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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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 …
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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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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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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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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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• 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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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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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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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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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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2024723· Impact of lightweight clay aggregate with slag and biomedical waste ash on self-compacting concrete using machine learning approach …
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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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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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