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4 天之前 Robosand: The Advantage. The advantages offered by robosand are: i) cost-effective compared to river sand, ii) environment friendly, iii) lesser impurities resulting in ‘higher ability to withstand extreme pressures’, better resistant to abrasions, higher
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2019.9.5 ROBO sand is the environmentally friendly solution that serves as a perfect substitute for the fast depleting and excessively mined river sand, which is so essential
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2020.1.1 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
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2024.1.9 A. Robo Sand Robo Sand is obtained from crushing stones in a quarry. The sand used in concrete must have a proper gradation of 150 microns to 4.75 mm. The
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2023.11.1 ROBO sand is known to have better performance compared to conventional river sand and is cheaper than river sand, and cement which acts as the
Read More2017.5.1 Robo Sand is to be higher about 26.48% when compared to natural sand. Further Robo sand concrete resulted higher resistance to chloride attack than
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2021.7.22 The availability or lack of river sand affects the construction industry. Therefore, new alternatives to river sand need to be found to avoid excessive river
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2023.1.12 property of robo sand coincides with river sand. The bulk density of robo sand is slightly more than the river sand which may increase the density of concrete
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1.1. ROBO SAND Robo sand can be an economic alternative to the river sand. The Robosandis the by-product which is formed in the processing of the granite stones which
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2019.1.10 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). Using different ...
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2022.12.13 Difference between Msand Crusher dust. Also known as Manufactured Sand, Robo Sand, Grey Sand. Also known as CRF, Stone Dust. Cube Shaped. Flaky and Elongated. Msand is manufactured as per IS, BS, ASTM Standards. Crushed dust is a waste product from msand production. Manufactured in 5 stage process using vertical shaft
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2020.7.10 Cheaper than marine sand or river sand. Easier to spot adulteration judging by oversized or undersized particles and color (greyer the purer, browner the impurer) Extraction of sand from river and sea beds is an environmental hazard. There aren’t many disadvantages of Robo sand unless the manufacturer is not much into quality
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2023.10.23 International Journal of Civil Engineering Research and Development (IJCERD), ISSN2248- 9428 (Print), ISSN- 2248-9436 (Online) Volume 3, Number 1, Jan-March (2013)
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2021.7.30 As we all know that river beds are used to obtain natural sand. Now the depletion of natural sand has become a very big environmental issue, that’s why many Indian state government has placed restrictions on sand excavation and therefore it is resulting a significant increase in its price (Natural sand vs Manufactured sand, 2017).
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Pit sand: A type of sand based on origin. Manufactured sand: Also called M-sand. Utility sand: A type of sand used in construction. Fill sand: A type of sand used in construction. How are sands classified? Sand can be classified by grain size: Fine sand: 0.075 to 0.425 mm; Medium sand: 0.425 to 2 mm; Coarse sand: 2.0 mm to 4.75 mm
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2020.6.27 Pit Sand: These types of sand are extracted by digging up the earth soils. Granular size is bigger than the river sand, so it can be used for mortars. Filtered Sand: The sand obtained from the stagnated water. As the water is still for years which composes many physical and chemical impurities. The physical impurities of this sand are the silt ...
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2019.7.6 Overall, M Sand is 30% cheaper than the river sand. Eco-friendly: Use of M Sand in replacing with river sand avoids environmental disasters like groundwater depletion, water scarcity, a threat to natural life etc. Growing concern for environmental protection, M Sand is the best alternative to the river sand.
Read More2012.5.16 The Government is in the process of streamlining sand quarrying and prevent its indiscriminate use. Robo sand is sand manufactured in the stone quarries. It is a substitute for the river sand used ...
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2017.11.8 Extraction of sand from river bed is environmental hazard and ban in many places. Advantages of Manufactured Sand over River Sand. Contains no organic, harmful impurities, hence significant improvement in strength of concrete at same cement content. Gradation of particles can be controlled during production. As Gradation is controlled
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4 天之前 Robo sand is sand manufactured in stone quarries and it is a substitute for the river sand which is used in construction. Certain manufacturers are openly claiming that robo sand is a better alternative
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2018.9.28 What is the difference between M Sand and robo sand? M Sand is nothing but artificial sand made from crushing of rock or granite for construction purposes in cement or concrete. M sand differs from natural river sand in its physical and mineralogical properties. Sand is one of the important ingredients at making concrete mortar plaster,
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2021.7.22 Natural (River) Sand. Natural sand has an excellent modulus of 2.78 and, after washing in clean water, complies with Zone II according to IS: 383-1970. The specific gravity of this natural sand was found to be 2.55. The water absorption and moisture values obtained for the sand used were 6% and 1.0%, respectively. 3.
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2024.1.9 The cost comes out to be Rs 5782.12 per cubic metre of concrete.After replacing the cement with carbon black by 5% and natural sand with robo sand by 50%, the total cost of concrete comes out to ...
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5 天之前 A typical 1 unit of M-sand weighs 4.7 tons while a river sand weighs 5 tons approximately. 1 CFT river sand weight in kg. The typical weight of 1CFT (cubic foot) of River sand is about 47kg ( or 106-pounds). The 1m3 (35.32 CFT) of river sand weighs about 1,650kg, so, weight of 1CFT river sand in kg = 1650/ 35.32 = 47kg.
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2016.5.20 of Robo sand by river sand by 0%, 50%, 75%, and 100% respectively. The study was carried out on M25 grade concrete with 0.48 water cement ratio, M35 grade concrete with 0.43 water cement ration, cement mortar and were prepared with water cement ratio of 0.45. Robo sand can be used as fine
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As a substitute to river sand, Robo sand has been used. 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, split tensile strength, flexural tensile strength and ...
Read More2021.5.31 Manufactured sand, which is obtained by crushing the rock, is emerging as a viable alternative to river sand. This material is in use for quite some time in developed countries. The use of this sand (also called artificial sand, M-Sand, Robo Sand etc.,) is picking up in India in major cities. Use of scientifically produced Manufactured Sand as ...
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2 天之前 A 100 CFT is volume (length × width × thickness in feet) measurement of sand. The typical weight of a 100-cubic foot of river and M sand can vary, but on average, river sand weighs around 2,750 pounds
Read More2019.11.22 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
Read More3 天之前 The typical weight of 1 cubic meter (1m3) of river sand is about 1,650kg (or 1.65 tonnes) and M-sand (manufactured sand) is about 1,750kg (or 1.75 tonnes). The typical average weight of sand is 1,600 kg (1.6 tons) per cubic meter. River sand weighs about 1650 kg per cubic meter and M sand about 1750 kg per cubic meter.
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2023.1.12 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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Contact Supplier Request a quote. Golf Course Sand ₹ 3,500/ Tonne. Get Quote. Beach Kabaddi Court Sand ₹ 3,500/ Tonne. Get Quote. Biscuit Color Silica Sand ₹ 3,500/ Tonne. Get Quote. M sand vs river sand advantages and disadvantages of m
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2022.3.8 CHAPTER 3 LITERATURE REVIEW. 18.8% greater compressive strength than conventional concrete when compared to 2.5 % and 1.5% of the silica fume. Average increase in compressive strength of concrete was found to be 11%, 12%, 18.8% and 5% for partial replacement of natural sand by M-Sand with 10 %, 30 %, 50% and 70%. Th.
Read More4 天之前 M Sand Properties. Environmental Friendly – Since it has been manufactured artificially from the rock particles, it is less harmful to the environment compared to river sand. Quality of material – The quality of the sand can be controlled during its manufacturing process so the particles are well balanced in quality.
Read More2023.11.1 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%
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2020.1.6 The softness of river sand allows for its usage in concrete and masonry work. River sand is also ideal for plastering, RCC, and several other block works. The main caveat with river sand is that it tends to have high silica content. Therefore, before using river sand in construction, it is advisable to check on silica content to ensure it’s ...
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