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5. Robo Sand (RS): Robo sand is the sand manufactured in the stone quarries. Robo Sand is collected from crushing unit.(ABM PLANT). Robo sand was used as a replacement material for fine aggregate in the current experiment.The test results of Robo sand is tabulated in table 5. Table 5: Test results of Robo sand Colour Off white
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This study aims at replacing sand and cement with ROBO sand and ground granulated blast furnace slag (GGBS) in the concrete mix. Here, GGBS and ROBO sand are chemically and physically ...
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Venkatesa, et al [6] studied on concrete with Steel Slag (SS) as replacement of sand and walnut shell as coarse aggregate replacement. It was reported that 20% increase in strength was observed with SS as 40% by weight of sand. Jawad, et al [7] studied on concrete with WFS as 40%-50% replacement to sand resulted in very …
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Advantages of manufactured sand are as follows; Reducing defects in concrete like segregation, bleeding and honeycomb structure formation.; Setting time of concrete is comparatively fast as compared to another type of concrete where we use natural sand; Compressive strength and flexural strength of concrete is very high as …
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as a replacement of cement at various percentages. Based on the sieve analysis conducted for robo sand its been observed that robo sand is confining to zone II in IS383:1970. Table 4-.Sieve analysis of Robo Sand IS Sieve (µm) Wei ght ain ed (g) Percent age weight retained (kg) Percentage cumulative weight retained Percent age finer
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The document describes a project to study the effects of partially replacing natural sand with manufactured sand (robo sand) in concrete mixes at different percentages. The …
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replacement of cement by carbon black (CB) (5%) and robo sand (RS) by natural sand (50%), the concrete becomes denser as both carbon black and stone dust act as micro fillers in the concrete due ...
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compressive Strength of that concrete cube This Project presents a review of the different alternatives to natural sand in preparation of concrete. The project emphasize on the physical and mechanical properties and strength aspect on concrete. Keywords—robo sand, quarry stone dust, natural sand, mortar, artificial fine aggregate. I. INTRODUCTION
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Builder's Competence In Using Robo-Sand: A Critical Factor. While the comparison above tilts heavily in favour of robosand, we cannot ignore the strengths of naturally occurring river-sand. Concrete made with river-sand is preferred by many builders, since working with robosand demands a thorough knowledge, skill and …
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This research is aimed at determining the suitability of ROBO sand to replace river sand in the production of concrete, using compressive strength and flexural strength tests as b …
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the construction industry; hence there is a need to find the new alternative material to replace the river sand, such that excess river erosion and harm to environment is prevented. Many researchers are finding different materials to replace sand and one of the major materials is quarry stone dust (Artificial/Robo/M -SAND).
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The document describes a project to study the effects of partially replacing natural sand with manufactured sand (robo sand) in concrete mixes at different percentages. The objectives are to evaluate the workability and compressive strength of M30 grade concrete with 0- replacement of natural sand with robo sand. A methodology is outlined to …
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Figure no. 3, 4, and 5 represents the compressive strength of conventional concrete and modified concrete i.e. with the replacement of sand with ROBO sand at the age 7 and 28 days and split tensile strength at the age of 28 days with the admixtures percentages 0, 1 and 1.5 respectively. The compressive strength and split tensile strength of
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To create concrete sand cement blocks, the world's most widely used construction material, massive amounts of energy are required, primarily during the raw material utilization process [1 ...
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Average Flexural Strength of Concrete with Robo sand in M25 Grade. % of replacement Sand with Robo sand Average Flexural strength of the concrete at different ages(N/mm2) 0 6.65 50 8.83 75 7.67 100 7.42 Average Flexural Strength of Concrete with Robo sand in M35 Grade. % of replacement Sand with Robo sand
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The results also revealed that up to 15% crumb rubber replacement by sand volume meets the target strength of 46.60 MPa, meaning that concrete containing crumb rubber content up to 15% is useful ...
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For concrete in projects such as walls, ... It is favorable to the strength development of concrete to replace cement by RHA. This is consistent with contemporary concrete technology, in which most current national specifications allow minimal elements to be added to cement. ... GGBS and M-Sand. Int. J. Res. Appl. Sci. Eng. Technol., 7 …
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Robo sand was used to replace 0 percent, 20 percent, 40 percent, 60 percent, 80 percent, and 100 percent of the fine aggregate in concrete examples. 150mm cubes of standard …
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The mechanical properties of special concrete, made of natural sand, are replaced with 30 percent ash, with a weight-washed foot, optimized in concrete, achieving the required …
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decrease or fully replace the use of river sand and use recent innovations such as M-Sand (manufactured sand), robot silica or sand, stone crusher dust, filtered sand, treated and sieved silt ...
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This will affect the construction industry, hence researchers found Robo sand or M-sand as an alternative to River sand. The experimental study has been carried out to investigate the strength and durability with River sand and replacement with Robo sand as a fine aggregate in M20, M30 & M40 grades of concrete.
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of Natural Sand with Robo/Artificial Sand in Specified Concrete Mix" compared the results of the concrete containing different percentages of robo sand with a reference mix. Compressive strength of concrete (grade M25) was investigated at percentage replacement of 0%, 20%, 40%, and 60% of natural sand with robo sand or quarry dust …
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According to the literature review, the maximum substitute rate of sand replacement in concrete may assist to handle a number of disposal-related issues, …
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Natural weathering of rocks results in the formation of river sand, over millions of years. Robo Sand (R.S) which is eco-pleasant serves as a partially substitute material for the depleting river sand. The addition of Robo sand can reduce construction cost and also increase the strength of the concrete.
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with ROBO SAND and Cement with GGBS Mrinal Kanti Sen, Supran Chakravarty, and T. R. Girija Abstract This study aims at replacing sand and cement with ROBO sand and ground granulated blast furnace slag (GGBS) in the concrete mix. Here, GGBS and ROBO sand are chemically and physically characterized and used to replace cement and …
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Robo Silicon, for the first time in India, introduced "Manufactured Sand" as a viable, cost-effective and an eco-friendly alternative to the precious and fast depleting natural resource -river sand. Robo Silicon is the first company to brand its sand as "ROBOSAND TM ". It is manufactured just the way nature has done for over a million ...
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M-Sand (manufactured sand), robot silica or sand, stone crusher dust, filtered sand, treated and sieved ... for the use of ground glass as a concrete replacement. (M. Mageswari and Dr. B.Vidivelli 2010) [9]. PROPERTIES DIFFERENT ... large projects, resulting in traffic congestion and disruption. Waste from small generators like
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This research focuses on strength and durability characteristics of M60 concrete with partial replacement of sand with ROBO Sand (crusher dust) and cement with Ground Granulated Blast furnace Slag ...
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Robo Sand, he study the strength of concrete has been evaluated by replacing natural or river sand with Robo sand at various proportions i.e., 0%, 25%, 50%, 75% and for M40 grade of concrete with water cement ratio of 0.38. ... Metakaolin with 50 percentage of Robo sand, At 10% replacement of Metakaolin strength observed to be maximum and ...
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The suitability of the sawdust and robo sand concrete is evaluated. 1.2 Scope of the work a. Use of saw dust and robo sand by sand replacement in normal concrete for real time projects thereby reducing the overall cost of construction. b. Reduction in mining river sand helps protecting the ground water table. c.
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