ash fly ash as replacement of sand
Bottom and Fly Ash as Sand and Portland Cement Filler Replacement …
Result4.1 Percentage of Fly Ash Replacement. Because a large amount of CFA is used as a partial replacement material in FABA concrete, at least 30% CFA must be used as a partial replacement in Portland cement (Thomas, 2007).Both studies have found that increasing the percentage of CFA in concrete from 30 to …
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Microstructure and properties of concrete using bottom ash …
ResultThe effect of fly ash on the mass transfer properties of concrete has been well documented; however, no documentation of waste foundry sand and bottom ash together, as replacement of fine aggregates in concrete mixes is available. The measurement concerns the chloride ions that come into concrete …
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(PDF) Influence of High Volume Fly Ash as a …
ResultReplacement of sand 40% by fly ash affects the adverse effect on ER, UPV, and compressiv e strength compared to concrete along with glass f iber (F 0-0 ).
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Influence of Limestone and Fly Ash (Class F) as Partial …
ResultFly ash is generally used as replacement of cement, as an admixture in concrete and in manufacture of cement. Enough studies have been carried out on partial replacement of cement by fly ash by earlier researchers. Fly ash could be very conveniently used as a partial replacement of sand in structural concrete.
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Effective Utilization of Fly Ash and Steel Slag for Partial Replacement …
ResultBased on the appropriate percentage of fly ash as a replacement to cement, concrete mixes are made by partially replacing river sand with steel slag of 0, 10, 20 and 30% by weight to arrive at an optimum percentage of steel slag. ... Table 5 explains the proportion of cement, fly ash, sand, steel slag and …
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Effect of coal bottom ash as partial replacement of sand on …
ResultThe effect of coal bottom ash as replacement of sand in both grades of concrete mixtures on slump values is illustrated in Fig. 3. Slump values of control concrete mixtures were 70 mm for concrete 'A' (A 0) and 125 mm for concrete 'B' (B 0). The decrease in slump of bottom ash concrete mixtures over respective control …
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Pond Ash as Partial Replacement of Fine …
ResultThe fine aggregate replacement is made with the weight of the pond ash in the sand ratio of 0%, 12.5%, 25%, 37.5% and 50%, with a constant water-cement ratio of 0.49 based on the …
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UTILIZATION OF POND ASH AS PARTIAL …
ResultAparna K.A et. al (2015) performed partial replacement of cement and sand using fly ash and pond ash. The grade of concrete is M40, cube and beam specimens are casted and
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Use of Plastic Fibers in Concrete with Partial Replacement of Sand …
Resultplastic fibers were added in 1 pe rcent to cementitious materi al and 20 % of Fly ash was replac ed with sand. 2) By means of Average compressive strength of concrete there was an increase of 4.1% ...
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A study of fine aggregate replacement with fly ash an …
ResultReplacement of 50% sand with fly ash can save about 0.4 m3 sand. Comparison of cost per N/mm2 compressive strength has shown about 40% to 60% saving in cost. Based on the experimental results, correlations are developed for finding out the compressive strength and cost at 28 and 91 days.
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Utilization of fly ash as partial sand replacement in oil palm …
ResultIt was found that adding of 10% fly ash as sand replacement content resulted in better compressive strength of OPS LWAC, which is higher than the …
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EXPERIMENTAL INVESTIGATION ON PARTIAL …
ResultSand, natural gravel and crushed stone are mainly used for this purpose. For fine aggregates natural sand is provided with maximum size of 4.75 mm. coarse aggregates are used with size between 20mm-4.75mm Fly ash: This kind of ash is extracted from flue gases through Electrostatic Precipitator in dry form. This ash is …
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(PDF) Use of bottom ash as part replacement of sand for
ResultBottom Ash as sand replacement inclusive o f control sample (fully natural sand) was determined at 3, 7, 28, and 60 days of curing (Syahrul et al., 2010). Study by Syahrul et al., (2010) indicated
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Bottom and Fly Ash as Sand and Portland Cement Filler …
ResultThe experimental work investigated the characteristics of the fly ash–bottom ash (FABA) concrete and investigated its compressive strength …
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Effect of Fly Ash as a Partial Replacement for Sand on Sulfate
ResultThis study investigates the influence of fly ash as a partial replacing sand material on the sulfate resistance of mortar. Fly ash replacement are 0%, …
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Properties of concrete containing fly ash and bottom …
Resultcoal bottom ash as replacement for sand and fly ash as replace-ment for cement, respectively. Rafieizonooz (2016) reported that the experimental mix containing 75% bottom ash and 20% fly ash shows improvements in compressive, flexural, and split tensile strength properties and drying shrinkage of concrete.
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Effect of coal bottom ash as sand replacement on the properties of
ResultThe natural sand was replaced with coal bottom ash by 0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and by weight, as water absorption of bottom ash was more so that quantity of water was ...
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Investigation of coal bottom ash and fly ash in concrete as …
ResultConcrete with bottom ash and fly ash added as replacement for sand and cement, respectively. Compressive, flexural and tensile strengths of the …
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Influence of Cement Replacement with Fly Ash and Ground …
ResultFly ash (FA) is also a well-known mineral admixture and has been widely accepted for use as a pozzolanic material to partially replace ordinary …
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Utilization of fly ash as partial sand replacement in oil palm …
ResultThe effect of fly ash content as partial sand replacement towards workability and compressive strength of OPS lightweight aggregate concrete were investigated. Four concrete mixes containing various percentage of fly ash that are 0%, 10%, 20% and 30% by weight of sand were used in the experimental work. …
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Utilization of Bottom Ash and Pond Ash as a Partial Replacement …
ResultThe idea of turning a variety of waste into wealth to conserve essential green space is backed by nearly every academic. Again, the increased use of fly ash (FA) and pond ash (PA) as an alternative to river sand will reduce river sand extraction and ensure the long-term stability of a green river ecosystem.
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Effect of coal bottom ash as partial replacement of sand on …
ResultThe effect of coal bottom ash as replacement of sand in both grades of concrete mixtures on slump values is illustrated in Fig. 3. ... Fly ash (FA), Metakaolin (MK), Silica fume (SF), and ground granulated blast furnace slag (GGBS) are potential industrial materials that can serve as cement substitutes in pervious …
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Properties of concrete containing fly ash and bottom ash …
Resulttaining fly ash as fine aggregate suggest that it improves strength properties of concrete up to 50% replacement level. In this case, the workability reduces. …
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Utilization of fly ash and cow dung ash as partial replacement …
ResultIn this study, an attempt was made to replace the cement using fly ash and cow dung ash. Two sets of cubes of M20 grade for the rock and brick as coarse aggregate were prepared separately. These ...
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Review on Partially Replacement of Cement with Industrial …
ResultFly Ash—Fly ash is a fine, powdery material that is a by-product of burning pulverised coal in electric power generating plants.It is composed primarily of silica, alumina, and iron with small amounts of calcium, magnesium, and other metals. Fly ash is classified as a pozzolanic material because it contains reactive …
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Utilization of MSWI fly ash as partial cement or sand
ResultThe strength of cement substituted mortar decreases with the increase in fly ash amount, whereas the strength increases when the fly ash is blended as sand substitute. A mortar with highest strength (compressive strength = 30.2 Mpa; flexural strength = 7.0 Mpa) was obtained when the sand replacement …
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(PDF) Parametric Study for Replacement of Sand by Fly Ash …
Result8) Internal curing effect of fly ash as partial replacement of sand may reduce cracks in concrete. 9) Proposed concrete is environmental friendly green concrete as it will save about 150 kg per m3 ...
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IMPACT OF ADDITION OF FLY ASH (AS SAND REPLACEMENT…
ResultThis study examines the effects of adding fly ash (sand replacement) and polypropylene fibers to concrete with design densities of 1,000 and 1,500 kg/m3 on fresh state features (stability and ...
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Mechanical performance enhancement of recycled …
ResultThe early-age strength of concrete has been reduced by the inclusion of fly ash due to its pozzolanic activity (Teja Prathipati et al. 2022; Solanki and Dash 2022; Tkaczewska 2014). Also, the inclusion of fly ash as sand replacement enhances the after three days as compared to the control mix (Pati and Sahu …
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Recycling of Used Foundry Sand and Fly Ash in Concrete as …
ResultThe current study aims to recycle industry waste, such as used foundry sand and fly ash, by adding it into concrete as a partial replacement for natural fine sand and cement mass. This attempt may help to alleviate the natural sand scarcity issue, to conserve the ecosystem, to solve the issue of waste disposal and …
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