Hence, partial or full replacement of river sand by the other compatible materials like crushed rock dust, quarry dust, glass powder, recycled concrete dust, and others are …
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S= Makurdi River Sand, CGF= Crushed granite Fine Three sets of cubes were cast and tested at 7, 14, and 28 days for the different mix proportions. 132 concrete cubes of 150mmx150mmx150mm were cast ...
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Figure -1: Compressive Strength v/s River Sand 0 20 40 60 80 120 140 160 180 0 50 100 150 mm % Replacement of River Sand Slump Value w.r.t % Replacement of River Sand Contro l Sample Slump Value Figure -2: Slump Value v/s River Sand Replacement
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Replacing with sand there is scope of using stone dust for preparation of concrete after managing a correct analysis. The augmented interaction among …
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Replacement of River Sand by M Sand Concrete Dr. M. Kannan HOD CIVIL-PITS Fantin Jesanth. A Dept of CIVIL-PITS ... - Manufactured sand is a term used for aggregate material s less than 4.75mm and which are processed for from crushed rock or gravel. due to booming of construction activities in our country, natural sand resources are ...
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The majority of studies on using crushed sand as an alternative for some sand of river in concrete focuses on concrete grades up to M40. However, there is a dearth of material on HPC using higher grade concrete. This study delves into the utilization of crushed aggregate to supplant river sand, building upon the groundwork laid by prior ...
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Bederina, M., Makhloufi, Z., Bounoua, A., Bouziani, T., & Quéneudec, M. (2013). Effect of partial and total replacement of siliceous river sand with limestone ...
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Highlights • Utilization of alternative fine aggregates is the hour of need for sustainable construction. • The alternative fine aggregates satisfies the requirements as …
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The material is collected from the Banas River, Tonk, Jaipur, Rajasthan, 100kms from Jaipur city.it is a naturally occurring granular material composed of finely divided rock and mineral particles. ... The utilization of crushed stone dust as a replacement of sand in cement concrete, Journal of Information, Knowledge and …
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3. Uses of River Sand in Construction. River sand finds extensive use in a wide range of construction activities. Some common applications include: 1. Concrete Production. River sand is a key ingredient in concrete production, serving as a fine aggregate that binds with cement, water, and other additives to form a solid and durable …
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The results obtained showed a good improvement over all the experiments studied when adding crushed sand and thus it could be used as a substitute for river sand in sand concrete, as the ideal ...
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Replacement of River sand by M-sand Kalyana Chakravarthy P. R, Kalaiselvam. A Department of Civil engineering, VISTAS ... Crushed /manufactured sand has rough surface texture and the particle size distribution curve can be adjusted in the manufacturing of the material. Another advantage in manufactured sand is quarries can be kept in the …
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With manufactured sand marketed as a material complying with certain recognized specifications, it is then up to the design engineers or concrete producers to specify ordinary crushed rock fine ...
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6. 4. 2. 0. 4.m 2.m 1.m 6 mi 3 mi 1 mi. River Manufactu. FRESH CONCRETE PROPERTIES WORKABILITY. This was measured by conducting a slump test. Keeping the water- cement ratio at 0.35 and 0.50 and using super plasticizer (at 15ml per kg of cement) the slump values were determined for both M20 and M25 mixes using …
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Several publications [13] [14] [15] [16] refer to the reduction in concrete workability with the utilization of crushed sand as a partial or total replacement for …
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EXPERIMENTAL PROCEDURE AND DATA The test has been conducted in accordance with IS code to evaluate the compressive strength of concrete and its workability at every incremental percentage replacement of river sand with crushed sand by keeping all other factors constant like water-cement ratio, plasticizer, coarse aggregate and results of the ...
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In addition, for the best mechanical properties of concrete, with w/c ratio in the range of 0.36 to 0.45, it is suitable to use up to 65% of crushed sand as partial replacement of river sand.
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comprising 20% river sand and 80% crushed sand has a higher slump flow of 77 cm. ... The results show that concrete containing 15% of limestone fines as replacement of crushed sand reduces the ...
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Based on the laboratory test results with full replacement of river sand by Crushed Ambo Sandstone, given the mean compressive strengths at 7th day was 21.66 MPa, while at the 14th day was 26.74MPa, and at 28th day was 34.68 MPa. It means that; it satisfied the requirement for C-25 grade concrete. As the cost of production of the fine aggregate ...
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preferred materials used as fine aggregates are river sand and crushed stones. However, river sand and crushed stone are produced at great cost and at the expense of non-replaceable natural resources, and raises serious environmental concern (OSPAR, 2004). Researchers have been investigating possible alternatives. The
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The 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 performed on fresh and hardened concrete.28 days Peak compressive and indirect tensile strength values of 40.70N/mm 2 and 2.30N/mm 2 respectively was …
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The aim of this study is to evaluate the feasibility of using ACBFS as a replacement of river sand in mortar and plain concrete at replacement levels of 0 %, 25 %, 50 %, 75 %, and 100 % by weight.
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Several publications [13] [14] [15][16] refer to the reduction in concrete workability with the utilization of crushed sand as a partial or total replacement for natural river sand. Although ...
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DOI: 10.1016/j.matpr.2023.08.273 Corpus ID: 261221768; Feasibility study on impact of replacement of river sand with crushed aggregate in concrete mix @article{Khode2023FeasibilitySO, title={Feasibility study on impact of replacement of river sand with crushed aggregate in concrete mix}, author={Bhalchandra V. Khode and …
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1.0 INTRODUCTION Concrete is generally composed of aggregates, cement and water. The aggregates are usually coarse and fine aggregates. Cement is used for binding the concrete materials together. Coarse aggregates have particles bigger than 5 mm in diameter while fine aggregates have particles smaller than 5 mm in diameter. Cement is …
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The mixture comprising only river sand has a slump flow of 74 cm, while the mixture comprising 20% river sand and 80% crushed sand has a higher slump flow of 77 cm. In short, it seems that the shape and texture …
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The increasing demand for natural river sand supply for the use in construction industry along with the issue of environmental problem posed by the dumping of cockle shell, a by-product from cockle business have initiated research towards producing a more environmental friendly concrete. This research explores the potential …
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The materials for the study comprised of cement, fly ash, fine aggregates, coarse aggregates, admixture and water. Ordinary Portland cement (OPC) 43-grade was used in most of …
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River sand is widely used for concrete as fine aggregate. The increased cost of river sand and depletion in ground water table due to illegal sand mining leads to find an alternative for fine aggregate without compromising the strength. In this study, concrete mix M 30 has been designed using quarry dust and manufactured sand by replacing the ...
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Fine aggregates generally consist of natural sand or crushed stone with most particles smaller than 5 mm (0.2 in.). Natural sand is mainly excavated from river beds and …
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