The present study evaluates the physico-mechanical and petrographic properties of stone dust and concrete using stone dust as a fine aggregate replacement for natural sand.
ادامه مطلبThis paper presents the structural performance of concrete with inclusion of crushed glass in different percentage levels by weight of sand (0%, 20%, 40%, 60%, 80%, and 100%). Six treatments were ...
ادامه مطلبTest results indicated that crushed stone dust waste can be used effectively to replace natural sand in concrete. Concrete made with this replacement can attain the same …
ادامه مطلبMining of river sand, thus, poses a heavy threat to the enivironment and ecological balance. Researchers have worked on crushed stone sand or quarry dust as a replacement to natural river sand in the concrete[6–8].Workability of concrete gets decreased when the river sand was replaced with Quarry Dust.
ادامه مطلبIslam Shabana. In this study, the recycled concrete aggregates and powder (RCA and RCP) prepared from basaltic concrete waste were used to replace the natural aggregate (NA) and cement ...
ادامه مطلبHameed and Sekar5 (2009) studied the effect of crushed stone dust as fine dust and found that flexural strength increases than the concrete with natural sand but the values decreases as the percentage of crusher dust …
ادامه مطلبThe suitability of Crushed granite fine (CGF) to replace river sand in concrete production for use in rigid pavement was investigated. Slump, compressive and indirect tensile strength tests were ...
ادامه مطلبin parallel they investigated fines particles (less than 150 micron) of crushed rock fines as replacement of natural river sand [17]. The concrete grades such as M20 and M25 were design by replacing the natural river sand by crushed stone from 0 – 100% by incrementing of about 10%. From the varying percentage replacement of crushed stone ...
ادامه مطلبThe sand replacement test method is used to determine in situ dry density of soil. The procedures, materials, equipment, and specifications of this test is based on the Indian Standard (IS 2720 part 28). This test is of significant importance and it has been widely used in various construction project sites. The field density of natural soil is ...
ادامه مطلبIn the present paper, large amounts of bottom ash (BA) and fly ash (FA) in a Vung Ang thermal power plant in Vietnam were used to substitute crushed sand (CS) to produce fine-grained concrete. The ...
ادامه مطلب1075 shell (PCS) for partial replacement of sand in concrete mixture. The 1076 properties of conventional concrete mix are compared with concrete mix 1077 with its sand replaced with 10% and 15% PCS. Properties evaluated ... Marine waste such as oyster shell can be crushed and sieved to 1136 optimum size to replace aggregates …
ادامه مطلبIn the study of utilization of crushed stone waste in concrete it was concluded that adding 40% sand may be replaced by stone waste in concrete without compromising the quality of concrete ( Sahu ...
ادامه مطلبManufactured sand (MS) produced by crushed rock is being considered as an appropriate alternative to replace river sand in concrete. However, it needs more research on the MS to...
ادامه مطلبM30 grade concrete with replacement of sand by The worldwide consumption of sand as fine robosand by 0, 10, 20, 50, 70 and 100%. This paper presents a detailed experimental study on compressive ... aims in the study of properties of mortar and concrete in which Crushed Rock Powder (CRP) is used as a partial and full replacement for natural sand ...
ادامه مطلبmaterials to replace sand. This study aimed to investigate the suitability of using crushed brick in concrete. Crushed brick originated from demolished masonry was crushed in the laboratory and added partial sand replacement. Three replacement levels, 15%,20% and 25%, were compared with the control.
ادامه مطلبThe paper presents the feasibility of usage of quarry dust as a replacement of natural sand along with waste plastic as filler in concrete. For the purpose of experimentation M30, M40 grade concrete is designed for 25,50,75,100% replacement of natural sand by quarry dust and waste plastic in 2,4,6,8 % variation. .
ادامه مطلبHowever, the flowability of mortars based 100% of seashells, was better and is suitable for a fluid concrete (as a self-compacting concrete). Also, up to 100% replacement of sand by the crushed ...
ادامه مطلبAlso, the use of quarry dust as the fine aggregate decreases the cost of concrete production in terms of the partial replacement for natural river sand. Design mix of M25grade concrete with ...
ادامه مطلبAn 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. The results proved 80% pozzolanic strength ...
ادامه مطلبThe replacement of sand with stone dust at various ratios in medium-grade concrete showed an increase of up to 40 and 29% in compressive and up to 53 and 32% in flexural strengths for 7- and 28 ...
ادامه مطلبSemantic Scholar extracted view of "Effect of partial and total replacement of siliceous river sand with limestone crushed sand on the durability of mortars exposed to chemical solutions" by M. Bédérina et al. ... Abstract This article examines the effect of total substitution of siliceous sand by crushed limestone sand in mortar and concrete ...
ادامه مطلبBottom ash forms up to 25% of the total ash while the fly ash forms the remaining 75%. Their research experimented the behaviour of concrete using coal bottom ash at different replacement level of sand. The study evaluated the potential of coal bottom ash as a partial replacement of sand in concrete by 0%, 10%, 20%, 30%, 40%, and 50% .
ادامه مطلبFine and coarse aggregate make up the bulk of concrete mixture. Sand, 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 …
ادامه مطلبThe graph shows that the maximum percentage of stone dust that can replace sand in concrete mixture to produce the maximum strength is 60%. with the strength at 28-days …
ادامه مطلبSea sand was partially replaced in river sand (0% to 100%) for each proportion of Fine Aggregates (FA) cement concrete blocks were cast and tested for compressive strength at 7, 14 and 28 days of ...
ادامه مطلبThe test results revealed that the yield as well as the ultimate strength of concrete at seventh day decreased by about 3 to 3.2 N/mm 2 for 25%replacement & 4 to 6.5 N/mm 2 for higher replacements ...
ادامه مطلبThe study investigates the use of crushed rock sand as viable alternative to Natural River sand that is being conventionally used as fine aggregate in cement …
ادامه مطلبconcrete containing finely crushed glass during its process, the best ratio of finely crushed glass which leads to the higher strength of concrete in order to produce concrete blocks, and the effect of waste glass replacement on the expansion caused by Alkali-silica reaction (ASR). The slump, unit weight,
ادامه مطلبThe compressive strength of cubes at 28 day curing for control mixture of 1:3:6 at 0% partial replacement of river sand with quarry dust was 12.6N/mm 2 but compressive strengths of 21.5 N/mm 2 and ...
ادامه مطلبIn this study it was investigated that the effect of the crushed sand on fluidity and compressive strength properties of high performance concrete. Blending crushed sand (FM: 3.98) produced in ...
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