full or partial fine aggregate replacement in concrete production
Partial Replacement of Fine Aggregates with Coconut Shell Ash in Concrete
Nov 24, 2020The 28 days compressive strength test of concrete replaced with 0, 5 and 10% coconut shell ash as fine aggregate along with PPC and PSC was found to be 37.33, 28.00, 19.68, 26.37, 24.88 and 19.70 N/mm 2, respectively. As the replacement percentage kept on increasing, it was observed that the compressive strength of concrete
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PERFORMANCE OF OLIVE SEED ASH AS PARTIAL REPLACEMENT OF CEMENT IN CONCRETE
Nov 08, 2022This paper presents laboratory investigation of the properties of Olive Seed Ash (OSA) as partial replacement of cement in concrete.Concrete mix of 1:2:4 (Binder: Fine aggregate: Coarse Aggregate) and water-cement ratio of 0.44 were adopted in this study. Olive seed ash was used to replace cement at various levels of 0%, 5%, 10% and 15% by mass.
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What are the disadvantages of partial replacement of fine aggregate
Research has also shown that use of artificial sand in concrete increases ultimate strength by approximately 10 - 20% (pessimistically) as compared to regular concrete. Partial replacement of fine aggregates with industrial wastes such as slag, fly ash, etc., is an eco-friendly approach that makes sense for the world.
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Use of Concrete Wastes as the Partial Replacement of Natural Fine
May 13, 2018Natural fine aggregates (river sand) are replaced by the recycled fine aggregates by the different percentage levels for the production of fresh concrete. A comparative interpretation on the strength characteristics of the concrete produced with Ordinary Portland Cement and Portland Pozzolana Cement is also presented and
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Coconut Shell as Partial Replacement of Coarse Aggregate In Concrete
fly coconut shell used was 1.25 ash, rice husk, slag and sludge from the treatment of industrial and domestic waste water has been found suitable as partial replacement for cement in concrete. water: the water used of concreting purpose was free with any kind of chemical and biological the coconut shell is a material which can be a substitute
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Study of mortar using sawdust as partial replacement
could be used as a partial replacement of fine aggregates in mortar and concrete production to alleviate the pressure on the scarce available natural resources. Sawdust composites are characterised by low mechanical performance, low durability and bad compatibility (Lei et al., 2006). Attempts have been made by researchers to
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Materials
Utilizing solid wastes and industrial by-products as a partial replacement for raw materials has become an acceptable practice among researchers and scientists in the civil engineering field. Sawdust and wood shavings are not an exception; they are being used in concrete as a partial or total replacement for some of its constituents. The main goal of this research is to establish
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Partial Replacement of Fine Aggregates (Sand) in concrete by
Jul 12, 2017The project covers the employment of recycled e waste plastic aggregate as partial replacement of natural fine aggregate in cement concrete combine. The percentages of recycled plastic
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Performance of olive seed ash as partial replacement of cement in concrete
Nov 09, 2022Concrete mix of 1:2:4 (Binder: Fine aggregate: Coarse Aggregate) and water-cement ratio of 0.44 were adopted in this study. Olive seed ash was used to replace cement at various levels of 0%, 5%, 10% and 15% by mass. Partial replacement of cement with OSA resulted in decrease in initial and final setting times of concrete but the values are
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Incorporao de PRFV em pavimentos intertravados
Nov 15, 2022This study evaluates the application of GFRP waste in concrete mixtures for the production of interlocking pavers. The waste presented fine aggregate granulometry, with a fineness modulus of 1.71. The partial replacement of sand by GFRP residue (5%, 10% and 15%) resulted in pavers with lower compressive strength ( 31 MPa) when compared to
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Effect Of Partial Replacement Of Conventional Fine Aggregate
Studies are currently going on in the use of lateritic soil in concrete production where laterite is made to partly or wholly replace conventional fine aggregate in the production of concrete know as laterized concrete and in the production of bricks units such as Compressed Laterized (CLB), usually stabilized with cement.
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Concrete
Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens (cures) over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material. Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminum
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Effects of waste glass and waste marble on mechanical and
The basic objective of this investigation is to examine the characteristics of concrete waste glass (WG) as binding material in proportions 10%, 20% and 30% by weight of cement. Furthermore, to obtain high strength concrete, waste marble in proportion of 40%, 50% and 60% by weight cement as fine aggregate were used as a filler material to fill
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Partial Replacement of Fine Aggregate in Concrete by Tyre
Mar 04, 2020Crumb rubber was used in the concrete mix to partially substitute for fine aggregate (sand) in various percentages of 20%, 40%, 60%, 80%, 100%. For each mix, cubes of 100x100x100 mm, cylinders of 150mm diameter by 300mm height, and small beams of 100x100x400 mm were prepared.
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Buildings
Oct 28, 2022The results show that the complete replacement of natural sand with iron tailings sand had little influence on the temperature field of concrete and reinforcement in simply supported beams and continuous beams under fire. The fire endurance of the ITSC simply supported beams was similar to that of NSC simply supported beams.
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Recycling Aggregates for Self
Three aggregates were used to produce concrete: 0–4 mm fine siliceous aggregate, 4–12.5 mm natural siliceous river gravel and 4–12.5 mm recycled aggregate from concrete elements. The characteristics of the aggregates used are specified below. Figure 3 shows the appearance of natural and recycled coarse aggregates.
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Use of Concrete Wastes as the Partial Replacement of Natural Fine
May 13, 2018Natural fine aggregates (river sand) are replaced by the recycled fine aggregates by the different percentage levels for the production of fresh concrete. A comparative interpretation on the strength characteristics of the concrete produced with Ordinary Portland Cement and Portland Pozzolana Cement is also presented and discussed in this paper.
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Partial Replacement of Laterite as a Coarse Aggregate in Concrete
The concrete are made using varying contents of lateritic and lime stone filler as fine aggregate. The quantity of laterite is varied from 0% to 100% against lime stone filler at intervals of 25%. Samples of concrete (eg.cubes and cylinders) are made in three different grades, namely: M15, M20 and M25.
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possibilities of utilizing power plant fly ashes
In the concrete processing, the fly ash is utilized as a replacement of the fine aggregate (fine filler) or a partial replacement for cement (active admixture). In addition to economic and ecological benefits, the use of fly ash in concrete improves its workability and durability, increases compressive and flexural strength, reduces segregation
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Iron Ore Tailings as Partial Replacement for Fine Aggregate
by many researchers as a replacement for fine aggregate in concrete production [8][9][10][11], [12][13]–[16] This paper is about the review of various research works on
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Effect of ceramic waste powder as partial fine aggregate replacement
The results presented an enhancement in the mechanical properties compared with conventional concrete. Awoyera et al 17 used ceramic as a partial replacement for fine and coarse aggregate. The replacement percentages used were 25%, 50%, 75%, and 100% for each mix as fine and coarse aggregate replacement.
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Suitability of Sawdust as Partial Replacement for Fine
18 Method Particle size grading: The sieves analysis of the fine aggregates was determined in compliance with ASTM International (ASTM C136 / C136M – 19) procedures. Mix ratio: A volumetric concrete mix ratio of 1:2:4 (cement: fine aggregate: coarse aggregate) and water to cement ratio of 0.6 were adopted for the concrete production.
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Polymer Waste Material as Partial Replacement of Fine Aggregate
May 01, 2014A varying proportion of PWM was used as partial replacement of fine aggregate A nominal mix of 1:3:6 was used to prepare 150150150 mm concrete cubes specimens with different proportion
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Materials
In the current study, marble waste aggregate (MWA) and stone dust (SD) were used as partial replacements for coarse aggregate and fine aggregate, respectively, for normal strength concrete. The conventional mix design had a mix ratio of 1:2:4 of cement: fine aggregate: coarse aggregate, respectively, and a water to cement ratio of 0.5.
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Prediction of strength of foamed concrete containing waste
In this research, waste plastic as aggregate was used in production of foamed concrete as partial replacement of sand. The Minitab program was used to determine the number of experimental mixes (mix proportions). After that, these mixes were mixed, poured, cured to investigate their required compressive strength. Finally, the strength values of all the
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Walnut Shell for Partial Replacement of Fine Aggregate in Concrete
Jul 04, 2017However, another study demonstrated that using sawdust as partial replacement of fine aggregate up to 25% will contributes to reduction in sawdust waste generation without adversely affecting concrete strength [30]. Close relations were predicted by using groundnut shells for partial replacement of fine aggregate in
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Partial Replacement of Aggregates in Geopolymer Concrete
fine aggregate is partially replaced with charcoal powder and coconut shells in crushed form is used as a partial replacement to the coarse aggregates. Different replacement proportions of aggregates (i.e) 0%, 10% and 20% are prepared for determining the strength characteristics of each mix proportion. The Geopolymer
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Partial Replacement of Fine Aggregate by Glass Powder in Concrete
Feb 22, 2020Fine aggregates will be replaced by waste glass powder as 5%, 10%, 15%, 20% and 40% weight for M-20 mix. The concrete specimens will be tested for compressive strength at 4, 7 and 28 days respectively and also the results obtained will be compared with those of traditional concrete.
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Replacement Of Coarse Aggregate In Concrete
Fine aggregate Coarse aggregate When the aggregate particle is not passed through the 4.75mm sieve as per IS standard is called coarse aggregate. The size of fine aggregate particles is less than 4.75mm. Why is the replacement material required instead of coarse aggregate? The cement, sand coarse aggregates are the vital material in construction.
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Recycling of waste glass as a partial replacement for fine aggregate
The properties of concretes containing waste glass as fine aggregate were investigated in this study. The strength properties and ASR expansion were analyzed in terms of waste glass content. An overall quantity of 80 kg of crushed waste glass was used as a partial replacement for sand at 10%, 15%, and 20% with 900 kg of concrete mixes.
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fully replacement of broken concrete in 20mm aggregate size
concrete in construction work t he demand for fine aggregate is increased, to attain the demand of natural sand in concrete, partial or fully replacement of natural sand with stone dust is one of the effective method. Stone dust is the best alternative for the natural sand, because properties of natural sand and stone dust are similar 1.
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Feasibility assessment for partial replacement of fine aggregate
Nov 01, 2016The aggregates are key components of the concrete matrix and comprise about 70% of the total volume of concrete. Fine aggregates make up for approximately a quarter of the total volume of the concrete matrix. However, such a large scale consumption of concrete has strained the natural sources of raw material procurement over the past few decades.
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EXPERIMENTAL INVESTIGATION ON PARTIAL REPLACEMENT OF FINE AGGREGATES
Replacing all or some portion of natural aggregates with recycled aggregate and ecosand would lead to considerable environmental benefits. Hence, in this study an attempt has been made to use recycled aggregate as coarse aggregate replacement and ecosand as fine aggregate replacement.
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ShodhgangaINFLIBNET: Study on the performance of concrete by partial
DC Field Value Language; dcverage.spatial: Study on the performance of concrete by partial replacement of fine aggregate with scrap steel Mill scale
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Iron Ore Tailings as Partial Replacement for Fine Aggregate in Concrete
Aug 26, 2022To decrease these environmental impacts and the cost of conventional fine aggregates, alternative materials like mining waste have been studied by several researchers to replace partially
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PERFORMANCE OF CONCRETE WITH PARTIAL
on the use of WG as partial replacement of fine aggregates. They replaced fine aggregates by WG powder at 10%, 20%, 30% and 40% by weight for an M-25 mix. The results also concluded that it was possible to use WG powder as partial replacement of fine aggregates up to 30% by weight for particle size range 0 – 1.18mm.
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Materials
The amount of steel chips generated by lathes and CNC machines is 1200 million tons per year, and they are difficult to recycle. The effect of adding steel chips without pre-cleaning (covered with production lubricants and cooling oils) on the properties of concrete was investigated. Steel waste was added as a replacement for fine aggregate in the
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(PDF) Workability Studies on Concrete with GGBS as a Replacement
This paper presents the workability study of concrete with GGBS as a replacement material for cement with and without the addition of Superplasticiser. Concrete grades of M20 and M25have been taken for the work. The mixes were designed using IS Code method.
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Research on Structural Performance of Hybrid Ferro Fiber
The fine aggregate (Lawrencepur sand) used in this research gave the fineness modulus of 2.70. Specific gravity and water absorption of fine aggregate (sand) were assessed in accordance with ASTM C 128-04a [ 45] and numerical values of 2.63 and 1.18% were obtained. Figure 1 Particle size distribution of aggregates. 2.3. Coarse Aggregate
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Life
Downloadable! The use of recycled materials and industrial by-products in pavement construction and rehabilitation can achieve substantial benefits in saving nature resources and reducing energy consumption as well as greenhouse gas (GHG) emissions. Alternative geological origin rock dust for the partial replacement of fine aggregate and/or cement in Portland cement
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