2017-5-1 · The results indicated that geopolymer concrete achieved comparably equal strength to that of the reference concrete mixture at a 100% quarry dust level. External exposure and ambient curing can be practiced to attain comparable strength properties of geopolymer concrete with quarry dust as fine aggregate.
Read MoreThe aim of this research was to find the best alternative for river sand in concrete. In both geopolymer concrete (GPC) and cement concrete (CC), the fine aggregates are replaced with various sustainable mineral ashes, and mechanical and durability tests are conducted. Specimens for tests were made of M40 grade GPC and CC, with five different soil types as river sand
Read More2018-5-12 · CHARACTERISTICS OF GEOPOLYMER CONCRETE BY USING FLYASH AND QUARRY DUST D.Priyadharshini1, Dr.R.Saravanan2 ... a gel which binds fine and coarse aggregates. Since geopolymer concrete is an emerging field, the guide lines from ... 7 mm coarse aggregates and fine aggregate in saturated surface dry conditions, were used.
Read MoreFrom the results show that compressive strength of concrete with quarry dust as aggregates is the highest with 30.82 MPa with density 2251.85 kg/m 3 .
Read More2019-8-30 · Quarry dust, which is a by-product in the production of coarse aggregates, can be defined as residue, tail or other non-valuable waste material after the removal and processing of stone to form fine particles smaller than 4.75 mm. Quarry dust can be used effectively in the construction industry as a partial replacement material .
Read Morequarry dust, which is a waste product from quarry, as fine aggregates in traditional concrete. During the tenure of the study, some physical and engineering properties of quarry dust and sand were determined and compared.
Read More2018-11-15 · Quarry Rock Dust can be defined as residue, tailing or other non-voluble waste material after the extraction and processing of rocks to form fine particles less than 4.75 mm. This paper presents the feasibility of the usage of Quarry Rock Dust as a substitute for Natural Sand in geopolymer mortar.
Read More2018-11-5 · to study the effect of partial replacement of fine aggregates by quarry dust and cement by fly ash on cement concrete. 1.2 NEED FOR INVESTIGATION Quarry Dust These residues are generally less than 1% aggregate production in the normal concrete. The introduction of quarry dust for mixing is limited due to its high fineness.
Read MoreSreenivasulu et al. [17] studied the mechanical properties of geopolymer concrete with different fine aggregate content and grading. Sand and granite slurry were blended in different proportions ...
Read More2016-2-29 · Cement Fine aggregate (quarry dust) Coarse aggregate Super plasticizer 168.3 60.0 600.8 566.7 1108.4 30.04 0.29 10% 1 0.9 1.8 5 3, EXPERIMENTAL WORK 3.1 Slump Cone Test The slump test is most commonly used method of measuring consistency of concrete which can be employed either in laboratory or at site of work. ...
Read More2019-11-20 · fine fly powder. Geopolymer mortars with high 28-day compressive quality of 86.0 MPa were acquired. [2] Partha, Prabir and Pradip [2014] researched that when the GGBS was included the scope of 0 -20% of aggregate cover, critical increment in quality and some lessening in workability was seen in Geopolymer concrete.
Read More2016-10-4 · (GGBS) on the mechanical properties of geopolymer concrete (GPC) at replacement level of (FA50-GGBS50) and replacement of fine aggregate with slag, quarry dust, bottom ash at levels of (SAND50-SLAG50, SAND50-QD50, SAND50-BA50) using sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) solutions as alkaline activator. The replacement of
Read More2020-7-4 · 3.2 QUARRY DUST Quarry dusts are also one of the main ingredients of the Geo-polymer concrete which helps in bonding between aggregate and fly ash properly. The size of Quarry dust is used in work is lower than 4.75mm sieve. IS:383 1963 defined the Quarry dust which will passes through 4.75mm IS sieve and retained over 75μΜ IS sieve is known ...
Read More2021-4-9 · Geopolymer concrete is such a one and in the present study, to produce the geo-polymer concrete the Portland cement is fully replaced with fly ash and Ground granulated blast-furnace slag. Fine aggregate is replaced with quarry dust and M.Sand. Coarse Aggregate (20mm) are replaced with 10mm Aggregate Alkaline liquids are
Read More2016-11-6 · (GGBS) blended geopolymer concrete (GPC) using different fine aggregates. The GPC mixes (FA50-GGBS50) were manufactured with different fine aggregates viz. slag (SLAG), quarry dust (QD) and bottom ash (BA) at replacement levels of (SAND50-SLAG50, SAND50-QD50, SAND50-BA50) using sodium silicate (Na 2 SiO 3
Read MoreCoarse and fine aggregates used by the concrete industry are suitable to manufacture geopolymer concrete. The aggregate grading curves currently used in concrete practice are applicable in the case of geopolymer concrete [7, 8, 11-15]. A combination of sodium silicate solution and sodium hydroxide (NaOH) solution can be used as the alkaline liquid.
Read More2016-7-28 · The concept of replacement of natural fine aggregate by quarry dust which is highlighted in the study could boost the consumption of quarry dust generated from quarries. By replacement of quarry dust, the requirement of land fill area can be reduced and can also solve the problem of natural sand scarcity. The availability of sand at low cost as a fine aggregate in
Read More2021-12-6 · Only a few studies, particularly on fly ash-based geopolymer concrete, have looked at concrete with a significant intensity of steel slag as a fine aggregate. For the safe and cost-effective design of steel slag as an acceptable aggregate replacement, the mechanical performance of steel slag sand concrete under impact compression must be ...
Read More2019-4-21 · observed that by 25% of partial replacement of cement with quarry dust improved hardened concrete properties. Keywords: Quarry dust, cement, water, aggregates. -----***-----1. INTRODUCTION Quarry dust is a waste product obtained from quarrying. It can be used as an effective filler material instead of cement.
Read More2016-2-29 · Cement Fine aggregate (quarry dust) Coarse aggregate Super plasticizer 168.3 60.0 600.8 566.7 1108.4 30.04 0.29 10% 1 0.9 1.8 5 3, EXPERIMENTAL WORK 3.1 Slump Cone Test The slump test is most commonly used method of measuring consistency of concrete which can be employed either in laboratory or at site of work. ...
Read MoreIn this paper, the paste phase and solid ph geopolymer concrete containing quarry dust and sand as fine aggregate, suitable for rigid pavement application, curable at ambient temperature discussion.The targeted compressive strength of 40MPa was achieved soon after days of air curing and maximum strength attained in 28 days is nearly 62MPa.
Read More2019-11-20 · fine fly powder. Geopolymer mortars with high 28-day compressive quality of 86.0 MPa were acquired. [2] Partha, Prabir and Pradip [2014] researched that when the GGBS was included the scope of 0 -20% of aggregate cover, critical increment in quality and some lessening in workability was seen in Geopolymer concrete.
Read More2020-7-4 · 3.2 QUARRY DUST Quarry dusts are also one of the main ingredients of the Geo-polymer concrete which helps in bonding between aggregate and fly ash properly. The size of Quarry dust is used in work is lower than 4.75mm sieve. IS:383 1963 defined the Quarry dust which will passes through 4.75mm IS sieve and retained over 75μΜ IS sieve is known ...
Read More2020-11-4 · Douglas etal successfully used Geopolymer Concrete in waste stabilization.Geopolymer Concrete immobilized chemical toxins and reduced leachate level concentrations. VIII. RELATED WORKS Since there is demand for natural sand, the fine aggregate shall be replaced partially by quarry dust.
Read MoreCarbon footprint reduction of paving materials could be explored through recycling mining by-products into different applications, which will preserve natural resources and decrease environmental issues. One possible approach is to reuse quarry dust and mining ore waste as precursors in geopolymer a
Read More2021-6-4 · Index Terms- Concrete, quarry dust, river sand, compressive strength. I. INTRODUCTION oncrete is the most widely used composite material today. The constituents of concrete are coarse aggregate, fine aggregate, binding material and water. Rapid increase in construction activities leads to acute shortage of conventional
Read More2019-3-26 · Geopolymer concrete is such a one and in the present study, to produce the geo-polymer concrete the Portland cement is fully replaced with fly ash and the fine aggregate is replaced with quarry dust and alkaline liquids are used for the binding of materials. The alkaline liquids used in this study for the polymerization are the solutions of ...
Read MoreCoarse and fine aggregates used by the concrete industry are suitable to manufacture geopolymer concrete. The aggregate grading curves currently used in concrete practice are applicable in the case of geopolymer concrete [7, 8, 11-15]. A combination of sodium silicate solution and sodium hydroxide (NaOH) solution can be used as the alkaline liquid.
Read More2017-8-24 · stone dust as fine aggregate in concrete it is found that there is increase in compressive, flexural and tensile strength of concrete (Nagpal et al., 2013). It has been observed that 40% replacement of fine aggregate with stone dust is adaptable (Franklin et al., 2014). It was observed that the replacement of
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