تعتبر شركة Olux شركة رائدة ومتميزة على المستوى الدولي في مجال البحث والتطوير وتصنيع وبيع محطات التكسير والغربلة واسعة النطاق ومعدات الطحن الصناعية ومصانع الاستفادة.
Robosand is one among such materials to replace river sand, which can be used as an alternative fine aggregate in mortars and concrete. In this present research work, M20 and M30 grades of concrete are used as reference mixes.
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Fig. 2 Robo Sand Table 4: Physical Properties of Robo Sand 3.1 General Table 5: Chemical Composition of Robo sand (XRF) 6 M20 2.3 Coarse Aggregate Locally available coarse aggregate having the maximum size of 20 mm was used in this work. The aggregate were washed to remove dust and dirt and were dried to surface dry condition.
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It was found that concrete made with Robo sand as fine aggregate possess better durability followed by Ennore sand and marble sand. Keywords - Durability of concrete, Ennore sand, …
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This study investigates the mechanical properties of concrete by substituting river sand partially with RB and incorporating varying percentages of GP. The research focuses on …
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In this present experimental study, various properties of concrete have been studied using quarry dust (robo sand, artificial sand, stone dust) as a replacement of natural fine aggregate and ...
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ROBO Sand: ROBO sand is an ideal substitute to river sand. It is manufactured just the way nature has done for over a million years. ROBO sand is created by a rock -hit-rocking crush …
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A total of 4 class of cube specimen were prepared for this study, such as PC, CC1, CC2, and CC3, where PC denotes plain concrete with 0% replacement, CC1 denotes replacement of cement and sand with 15% GGBS and 10% ROBO sand, respectively, CC2 denotes replacement of cement and sand with 15% GGBS and 20% ROBO sand, …
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Based on fresh properties of SCC, fresh state properties of SCC like flow ability and passing ability in accordance IS10262-2009 guidelines were found with different percentage replacement of river sand by M-sand and obtained 20, 30 percent replacement as optimum. It is observed that the increase in percentage
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Robo sand Robo Sand is derived by crushing stones in a quarry to obtain the desired granular material. The sand used in concrete must have a proper gradation of 150 microns to 4.75 mm. The fineness modulus of Robo sand is 2.52. The uniformity coefficient is less than 6and its specific gravity is 2.66. Pic:1Robo sand Pic:2 carbon black
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2.2.2 Robo Sand (RS) Robo Sand (RS) is obtained in wet form directly taken from deposits of Crushed stone factories. Wet Robo Sand was dried before the sample preparation. Robo …
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Usage of robo of sand as the remedial measure to the river sand, robo sand will give the good results in terms fluidity and strength is nearly same to both up to some percentages [12]. The present research is investigates about the effect fineness modulus of sand on properties of self
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Fineness Modulus 7.31 Table - 2 Properties of Fine aggregate (River sand) S.NO PROPERTY VALUE 1 Grading of sand Zone II as per IS383 2 Specific gravity 2.61 Bulk density i) Loose state 1608.65 kg/m3 3 ii) Compacted state 1708.06 kg/m3 4 Fineness modulus 2.48 5 Silt content 1% 6 Surface moisture 0.7% Table - 3 Properties of cement S.
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The fine aggregate used in this study is natural sand and robo sand as per requirements of IS 383-1970[8]. The Robo sand is manufactured from Vertical Shaft Impactor (V.S.I) using granite aggregate. The properties of fine aggregate are determined based on tests recommended IS 2386-1968[9]. The results are tabulated in table 2.
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Self-compacting concrete is identified as " highly flow able " and stable concrete that can spread readily into place and fill the formwork without any vibration and without undergoing any significant segregation. The design of concrete mix
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1.3 PROPERTY OF ROBO SAND Experimental study In the current experiment, both conventional concrete and Robo sand concrete's design mix for M30 has been computed …
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Natural sand with ROBO sand. To study the effect of Metakaolin and ROBO sand on hardened properties of concrete such as compressive, Split tensile and Flexural strength of concrete at 7, 14 and 28 days METHODOLOGY Collection of required materials such as Robo sand,Metakolin, Cement Fine aggregate, Coarse aggregate and Water
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In this present experimental study a comparative study has been carried out to check the usability of Robo sand in place of natural sand. This study involves determination of some major properties of concrete like compressive strength, …
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In this present experimental study a comparative study has been carried out to check the usability of Robo sand in place of natural sand. This study involves determination of some major …
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In this present experimental study a comparative study has been carried out to check the usability of Robo sand in place of natural sand. This study involves determination of some major properties of concrete like compressive strength, …
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Robo sand is one of the most used among such materials to replace river sand, which can be used as an alternative to fine aggregate in concrete. In the present investigation workability and strength of concrete was evaluated by replacement of natural sand by Robo sand in proportions of 0%, 50%, 75%, and 100% is studied
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Table 5 Physical Properties of Marble sand S.No. Property Value 1 Specific Gravity 2.14 2 Bulk Density (Kg/m3) 1680 3 Fineness Modulus 1.90 3.7 Robo Sand Robo Sand is procured from Machine Crushed nearby Quarry and its properties are listed below in Table 6. Table 6 Physical Properties of Robo Sand 3.8 MIX PROPORTIONS
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In this present experimental study on concrete having grades of M25 and M35 are prepared by replacing natural sand by Robo sand. Concrete specimens were tested for evaluation of …
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The effect of concrete with partial replacement of River sand with Robo sand and determining the properties of normal strength concrete with water cement ratio of 0.48,0.43 for 7 and 28day's compressive, split tensile and flexural strength of M25,M35 MPa were studied.
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As compressive strength is the main property of the concrete that is considered in design, we can replace natural sand with Robo sand completely in making concrete. 4.1.4 Flexural strength of concrete: Concrete made of Natural sand At 28 days 3700 Robo sand At 28 days 4.1.2 Workability by Slump cone method: W/c ratio Slump in mm for Robo sand 0 ...
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