A state-of-the-art review

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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Mechanical Properties of Concrete with Sintered Fly Ash Aggregate …

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 problem for its disposal. Simultaneously, it also reduces the cost of concrete. In the present investigation, sintered fly ash light weight ...

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Structural concrete using sintered flyash lightweight aggregate: A

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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Use of Sintered Fly Ash Aggregates as Coarse Aggregate in …

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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Mechanical Properties of Concrete with Sintered Fly Ash Aggregate …

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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Bacillus cereus GS-5 immobilized sintered fly ash lightweight aggregate

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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Accelerated curing effects on the mechanical

Test results denoted that the maximum substitution (62%) of sintered fly ash aggregates showed an appreciable improvement in strength compared to cold bonded aggregates. However, a highest compressive strength up to 39.97 MPa (62BT-S) was obtained in the case of sintered fly ash aggregate substituted concrete mixes subjected to hot water curing ...

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Experimental study on full-volume fly ash geopolymer mortars: Sintered

The sintered fly ash aggregates (FAAs) concrete using OPC as a binder was found to have low density, thermal insulation, superior mechanical and durability properties (Lo et al., 2016; Nadesan and Dinakar, 2017, 2018; Kockal and Ozturan, 2010; Güneyisi et al., 2013; Satpathy et al., 2019).

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Assessment of Properties of Structural Lightweight Concrete with

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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Structural concrete using sintered flyash lightweight aggregate: A

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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Physical characteristics of sintered fly ash aggregate

Fly ash aggregate with kaolinite. It is also observed from Fig. 1b that the aggregate with kaolinite sintered between 700 and 1000 °C exhibited no volumetric shrinkage, resulting in a density ratio higher than 1 and higher porosity of 42 % (Fig. 2b). This indicates that the sintering temperature is not adequate to initiate the fusion of particles as evident from Fig. 5a, b due to …

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Relevance and Assessment of Fly Ash-Based Sintered Aggregate …

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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Use of Sintered Fly Ash Aggregates as Coarse Aggregate in …

When dry sintered fly ash aggregate is used, the standard method gives underestimated values of the ratio as compared to its actual values determined in tests. View full-text. Article.

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LWA

The fly ash aggregate by IMFA is the first and the only in India to comply with the ISI quality standards. The licence is granted by Bureau of Indian Standards (BIS). The national standards body of India granted to use the ISI Standard Mark "IS …

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Structural concrete using sintered flyash lightweight aggregate: A

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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MATERIALS AND METHODS OF SINTERED FLYASH …

properties of fly ash, but usually ranges from 1000 to 1300 0C [16]. It was reported that sintering below 1000 pellets contains loosely bound fly ash particles causes weak matrix and higher absorption whereas f densification of fly ash aggregates are possible by the addition of binders and sintering at temperatures above 1200 0C. The flyash ...

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Strength properties and durability aspects of sintered …

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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A state-of-the-art review

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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Lightweight Concrete Aggregate From Sintered Fly Ash

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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(PDF) Investigating the Effect of Sintered Fly Ash Aggregate on

As an artificial aggregate, sintered fly ash aggregate with low density and good strength is also an artificial aggregate for the palletization process in industries [5, 6]. Palletization is a ...

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Durability of Structural Lightweight Concrete with Sintered Fly Ash

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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Lightweight sintered aggregate as construction material in …

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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Life cycle assessment of artificial sintered flyash lightweight

The impact associated with production of sintered fly ash light weight aggregate is determined in the impact assessment phase of LCA. The environmental interventions …

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Structural properties and temperature effect of sintered fly ash

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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Development of sustainable lightweight concrete using fly ash

Similarly, from fly ash, artificial LWA known as sintered fly ash aggregate (SFA) can also be manufactured by sintering process in which approximately 90– fly ash can be utilized [33]. The process of manufacturing of SFA from fly ash includes mixing of raw materials, pelletization and sintering. In the first step, the raw materials like ...

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Micro-structural behavior of interfacial transition zone of the …

Sintered fly ash aggregate (SFA) is one of the suitable materials towards this effort. Besides reducing self-weight of the structure there is a significant environmental and economic benefits that can also be availed by utilizing this material [3].

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STRENGTH PROPERTIES AND DURABILITY ASPECTS …

locality. For instance, sintered-fly-ash aggregates are manufactured from the basic raw material fly ash. The fly ash is obtained from thermal power plants and is regarded as one of the waste ...

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Impact of Sintered Fly Ash Aggregate on Mechanical, Durability, …

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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Mechanical characterization of structural lightweight aggregate

This study explores the development of fibre-reinforced structural lightweight aggregate concrete (SLWAC) using sintered fly ash aggregate (SFA) as coarse aggregate. SFA is manufactured from fly ...

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Strength And Durability Of Concrete Using Sintered Fly Ash …

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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