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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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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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Sintered fly ash aggregate (SFA), utilized as a replacement of NCA, was purchased from Ahmedabad, India. It has a spherical shape and tan color (Fig. 7). SFA was tested to evaluate its various properties following the Indian Standard provisions (IS: 2386 Part-3 & 4, IS 2386, 1963c, IS 2386, 1963d; BS 882, 1992).
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physio-chemical and mechanical characteristics of sintered fly ash aggregate is briefly presented. The review of literature suggests that specific gravity and water absorption of sinter.
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As per Nadesan and Dinakar, the specific gravity of sintered fly ash aggregates varies from 1.33 to 2.35, indicating significant variation in the values of the specific gravity of sintered fly ash aggregates. 20–21% water absorption was determined for AFCA. As the water absorption capacity of AFCA is high, it is important to consider ...
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This study addresses the issue of the resistance to high temperatures of lightweight concrete lightweighted with sintered fly ash aggregate. Lightweight concretes with different amounts of lightweighting and their properties after loading temperatures of 600, 800 and 1000 °C were investigated. In particular, the effect of high temperature on the mechanical …
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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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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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Sintered fly ash aggregate (SINTAG) is a type of light weight aggregate t hat can be used as coarse . aggregate in concrete. This study investigates t he application of pre-soaked SINTAG as an ...
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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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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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LWA have been prepared by sintering fly ash by crushing the product into appropriate sizes. These aggregates have special characteristics that make them more suitable for high strength …
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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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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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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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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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The impact associated with production of sintered fly ash light weight aggregate is determined in the impact assessment phase of LCA. The environmental interventions calculated in the inventory analysis are "translated" into environmental impacts during the impact assessment phase of LCA. An impact assessment is categorized into the ...
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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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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 …
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The quality of water was found to satisfy the requirement of IS456-200 F. Sintered Fly Ash Aggregate The sintered fly ash aggregate is produced by mixing materials, Then the mix is made into spherical shape and over dried at a temperature of 1200 ºC in muffle furnace. The properties of sintered fly ash aggregates are given in Table 4 S.N 1.
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The salient observations are (i) the characterization studies on sintered fly ash aggregates show that the properties of aggregates depend on the type of binder and its dosage, (ii) the ...
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Within the framework of research conducted with the purpose of renewing the production of sintered artificial aggregate in the Czech Republic, concrete test specimens made with artificial aggregate based on high-temperature ash from Dětmarovice power plant (black coal), Otrokovice heating plant (brown coal) and additionally brown-coal fly ...
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The present research work explores the use of fly ash cenosphere (FAC) and sintered fly ash aggregate (SFA) as replacements of natural fine aggregate (NFA) and natural coarse aggregate (NCA), respectively, for development of sustainable structural lightweight concrete (LWC). Total sixteen concrete mixes have been prepared by replacing both NFA ...
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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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Similarly, sintered fly ash aggregate (SFA), a fly ash based LWA also has certain benefits over the natural coarse aggregate (NCA), like decrease in cost and self weight of the structure. Particularly, the use of SFA is more beneficial in producing high strength concrete for off-shore structures.
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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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The focus of this study is to utilise sintered fly ash aggregate (SFA) produced from fly ash to make structural lightweight aggregate concrete (SLWAC) for various applications. Aggregates contribute to about 60–70% of the total volume of concrete. Natural and manufactured aggregates are the two sources of lightweight aggregates.
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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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[8] Arora V. and Ojha P. 2015 National council for cement and building material (India) Suitability of sintered fly ash light weight aggregate in structural concrete. Google Scholar [9] Nadesan M. S. and Dinakar P. 2017 Structural concrete using sintered flyash lightweight aggregate: A review Construction and Building Materials 154 928-944 ...
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Sintered fly ash lightweight aggregates were produced by sintering the mixture of fly ash, semi plastic clay as binder and coke breeze at a certain proportion and sintering them at a temperature between 1200 °C and 1300 °C in a Laboratory Chain Grate Sintering System by the Down Draft Sintering Technique [11]. Reducing the self-weight of the ...
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