This research paper presents a detailed investigation into the use of waste fly ash–based lightweight aggregate developed by a sintering process in concrete. These …
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Sintered fly ash aggregates when used as a substitute for natural aggregates benefits the preservation of natural aggregates as well as the utilization of fly ash which poses a great environmental ...
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The production of hollow or solid blocks, using sintered fly ash aggregate as course and natural sand as fines, has been successfully tried using a commercially available standard block making machine producing blocks of nominal size (20 cm × 20 cm × 40 cm). The manual method of produced on a smooth concrete platform, with the help of simple ...
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The basic properties of the sintered fly ash aggregate used, such as the specific, particle, and bulk density; water absorption; and bulk crushing resistance, specified according to the European Standards EN 13055-1, EN 1097-3, and EN 1097-6, …
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Despite the undoubted advantages of using lightweight concrete, its actual use for structural elements is still relatively small in comparison to ordinary concrete. One of the reasons is the wide range of densities and properties of lightweight aggregates available on the market. As a part of the research, properties of concrete based on sintered fly ash were determined. The …
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Sintered fly ash aggregate is a group of material that can vary significantly in composition. It is residue left from burning coal, which is collected on an electrostatic precipitator. These theses …
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This paper investigates the effect of sintered fly ash lightweight aggregate as coarse aggregate substitution on the mechanical properties of concrete. The lightweight aggregate (LWA) was produced using the cold bonded method and then sintered at a temperature of 900°C. An alkaliactivated system was applied as a binding agent of the LWA.
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The lightweight sintered fly ash aggregates are characterized by their low weight, attributed to the air voids present within them, which contribute to their high fluid absorbency [32]. This study utilized porous sintered fly ash lightweight aggregate as a protective medium to immobilize the bacteria, offering an alternative method to direct ...
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This paper presents experimental and numerical investigations on M30 grade of concrete containing 40% of sintered fly ash aggregates (SFAs) on the punching behaviour of reinforced concrete (RC) slabs.
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aggregate is fly ash. Lightweight sintered aggregate is durable, lightweight and high-strength material. It is environmentally friendly material. It has chance to by future material in concrete use. The laboratory test shown that the concrete made from the …
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Using sintered fly ash aggregates as a substitute for natural aggregates offers dual benefits: it conserves natural resources and repurposes fly ash, which poses significant environmental …
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Sintered fly ash pellets produced form fly ash can be utilized as coarse aggregate in concrete, which will be considered beneficial towards sustainability of the natural resources. This current research attempts to examine the temperature effects on the structural behaviour of the concrete made from sintered fly pellets as a replacement of ...
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Physical properties and strength of artificial lightweight sintered aggregates produced from various industrial by products were previously investigated [7], [8], [9], [10].One advantage of using pulverized coal fly ash compared to other types of ashes in the production of sintered lightweight aggregate is that it promotes fuel efficiency because burning of the carbon …
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The effect of basalt fibre on concrete made with sintered-fly-ash aggregates as coarse aggregates, a by-product of the processing of fly ash is studied in detail with respect to its strength, durability and cost effectiveness and compared with normal aggregate concrete. Four different mixes were developed for the M25, M30 and M40 grades of ...
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Sintered fly ash aggregates – size (10mm passing) River sand as fine aggregate - 4.75 mm passing Water Super Plasticizer (Glenium B-233) Experimental Program General: Structural LWC (SLWC) has been prepared with sintered fly ash and tested for …
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The current study examined the corrosion resistance of lightweight geopolymer concrete (LWGPC) incorporating sintered fly ash aggregate (SFA) as the coarse aggregate. The LWGPC was developed from a mixture of ground granulated blast furnace slag (GGBS) and fly ash (FA). The geopolymer binder is composed of 70 % FA and 30 % GGBS.
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of sintered fly ash lightweight aggregate was first used in 1960 [8]. Pollytag, Lytag, Aardelite etc. are few commercial fly ash lightweight aggregate in world. Adoption of sintered fly ash lightweight aggregate based concrete will lead to multiple benefits …
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The main aim of the paper was to assess whether the lightweight concrete with a new type of sintered fly ash aggregate can be used as a structural material for post-tensioned elements subject to high effort. This purpose was achieved by comparison of the properties of lightweight aggregate concrete with Certyd aggregate (LWAC) and normal-weight concrete …
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Influence of binders on properties of sintered fly ash aggregate. New Building Materials and Construction World Journal, 80–88. Google Scholar Kayali, O. (2008). Fly ash lightweight aggregates in high performance concrete. Construction and Building Materials, 22, 2393–2399. Article ...
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Fly ash aggregates, therefore, are properly classified as "sintered" products rather than "bloated" materials, such as those produced by heating clay or shale in rotary kilns. Historically, coal ash has often found application as an aggregate. Originally this
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Adopted process uses above 90% fly ash mixed with water and in some cases a small volume of additives. After agglomeration and pelletizing, the green pellets are sintered at high temperature, producing light weight aggregate whose characteristics are similiar to natural aggregates.
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During the combustion of pulverized coal, fly ash is generated as a waste product. An overview of research on the use of sintered fly ash aggregate for the production of light-weight...
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Flyash is a waste material obtained from thermal power plants during combustion of pulverized coal. The research in relation to the use of sintered flyash aggregate to produce …
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FR-LWHCS is made using sintered fly ash aggregate (SFA) as coarse aggregate and monofilament macro synthetic fibres of different volumetric fibre dosages (0.4 % and 0.6 %). A small dosage of micro ...
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This paper investigates the effect of sintered fly ash lightweight aggregate as coarse aggregate substitution on the mechanical properties of concrete. The lightweight aggregate (LWA) was produced using the cold bonded method and then sintered at a temperature of 900°C. An alkali-
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A Study on Mechanical and Durability Properties of Structural Concrete using Pumice and Sintered fly ash Aggregates. M. S. Yaswitha Reddy V.K. Visweswara Rao M. Srinivasula Reddy. Engineering, Materials Science. 2021; Lightweight aggregates has low density, high permeability than the conventional coarse aggregate.
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The paper discusses the engineering properties and performance of a novel angular-shaped fly ash aggregate (AFA) as a complete replacement for natural stone aggregate in wet-mix macadam (WMM) layer of pavement through laboratory investigation. ... and P. Dinakar. 2017. "Structural concrete using sintered flyash lightweight aggregate: A review ...
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Using latex-modified sintered-fly-ash aggregate in concrete can lessen the effect because it significantly slows the pores down. From the results, Sintered Fly ash Aggregate …
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Among the various artificial aggregate, sintered-fly-ash aggregate concrete has a slump value of 50–65 mm as opposed to the standard mix's slump range of 80–100 mm for each grade of concrete. The basalt-fibre-reinforced conventional mix had a compressive strength of 15.2% but the basalt-fibre-reinforced sintered-fly-ash
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