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 asis for assessment. ... gradation gives good plasticity to mortar providing excellent workability. ... easy to produceand has all the required qualities for use in ...
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River sand has a silica content. Excessive presence of silica content makes the sand useless for concrete work and responsible for efflorescence on the surface in …
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Abstract and Figures. The compressive strength of concrete built with river sand and quarry dust as fine aggregate was examined in this study. Ordinary Portland cement (OPC) was blended with river ...
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The experiments conducted earlier on the compressive strength as per IS 516-1959 [17] proved that the M-sand substituted concrete cubes have 20% more compressive strength when compared with ...
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River Sand is a natural sand that is made from weathering or erosion processes, unlike other sands that are made from crushing rock. River Sand can vary in gradation but is typically coarse sand. It can be used in all types of landscaping and construction projects including concrete sand, drainage areas, arena footing and soil …
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These types of sand have different qualities and are best for different kinds of projects. This often depends on what the sand is made of, how fine or coarse it is, and how durable it is. ... The typical ratio that people use is 2 parts concrete sand to 2 parts cement for a good end result. ... River sand is a recycled aggregate that comes from ...
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River sand is an essential component in the production of bricks and concrete blocks. It helps achieve the desired strength and texture of these building materials. 8. Erosion Control. In coastal and riverbank protection projects, river sand is used for erosion control and as a stabilizing agent.
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Sea sand contains smaller particles and a smoother surface than river sand, and replacing river sand can significantly impact concrete's mechanical qualities and durability [39]. When comparing the particle sizes of sea sand and river sand, Fig. 3 shows that sea sand has a more uniform distribution, with 90% of its particles spread at 0.25 …
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The concrete mix M4 (50% sea sand + 50% quarry dust) is determined as optimum mix for complete replacement of river sand. The compressive strength of M4 …
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2.3. Sea sand is obtained from the shores of Malpe, Uttar Kannada district, Karnataka; the properties of sea sand are compared with river sand, as per Table 2 shown, which indicates the properties of sea sand is similar to river sand [5, 6].. The sea sand used has 0% of silt content compared to river sand; as such, the binding property will be …
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concrete which indicated good quality of concrete. Manufactured Sand was used at 20%, 40%, 60%, 80%, replacement of natural river sand with the aim to make a proper balance with nature by minimizing the use of river sand which leads the disturbance in bed level of a river and offers other natural disasters like flood and drought as well.
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The good quality materials, especially river sand is in great demand for sustainable infrastructural development. Use of sustainable approach to making resources efficient concrete is emphasised at both production and demolition stages (Sankh et al., 2014; Pilegis et al., 2016; Kumar et al., 2018). ... impact the performance of SWSSC and …
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Types of Sand Used in Construction. Concrete sand, pit sand, natural or river sand, manufactured sand (M-sand), utility sand, and fill sand are the most common forms of sand used in construction. These sands have distinct qualities that make them appropriate for a variety of construction projects.
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qualities of good river sand for concrete. qualities of good river sand for concrete. Assessing the quality of sand is a great idea to ensure the best construction sand is said to have more impact on the strength of the construction the building may develop cracks or damages with use of improper quality of sand like any other material, there are certain …
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The concrete mix M4 (50% sea sand + 50% quarry dust) is determined as optimum mix for complete replacement of river sand. The compressive strength of M4 mix is 38.7 ± 0.19 MPa.
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The conventional river sand was replaced with 0%, 30%, 50%, 70% and by the MS in concrete mixtures and test cylinders were cast for each percentage. The CMS cylinders were tested after 7 and ...
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The Sea Sand was partially replaced with the River Sand (10% SS and 90% RS) mortar blocks were cast and similarly for desert sand (10% DS and 90% RS). For each proportion of Fine Aggregates (FA) cement mortar blocks were cast and tested for compressive strength at 3, 7, 28 and 56 days of curing.
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river sand thereby solving the issue of mining of sand from river beds and improving the quality of fine aggregate. ... The following factors contribute to the production of good quality concrete: • Knowledge of the properties and fundamental characteristics of concrete making materials and principles of design, Reliable estimates of site ...
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The increase in urbanization and industrialization leads depletion of natural resources (Mehta and Meryman, 2009; Nanthagopalan and Santhanam, 2010; Behera et al., 2014).A developing country like India suffers evidently from environmental imbalance and CO 2 emissions (Singh et al., 2018).The good quality materials, especially river sand is …
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River-sand mining has risen dramatically in the last few decades to fulfil the need for concrete in the building sector. The sand in a river's bed preserves its environmental equilibrium (Farahani and Bayazidi, 2017).Excessive river-sand mining for use as fine aggregate in concrete is responsible for riverbed degradation, which causes …
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Use of CRT waste glass in combination with limestone powder as a substitute for natural river sand in concrete production would reduce concrete unit cost and freight charges in addition to ...
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The key to good quality concrete are the ... Batch 3 50% river sand and 50% grit The concrete cubes were made in standard moulds at a ... The results indicate that characteristics of the concrete ...
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What is Concrete Sand. Concrete sand or ASTM C33 sand is a small coarse granular from the natural disintegration or crushing of rock. It is a fine sand that is more coarse than masonry sand. The reason why a coarser material is used for the bedding layer of interlock is for the drainage characteristics that come with a larger granule.
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The experimental test results have revealed that it is possible to obtain a normal and high strength concrete with acceptable compressive and flexural strengths values by using river sand with ...
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In this paper, the topic discussed is Strength and Durability Characteristics of Concrete by using Manufactured Sand. For this process, it is defined as the concrete ability to resist weathering actions, chemical attack and abrasion while maintaining ... Due to the depletion to other materials to bind them together. of good quality river sand ...
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Using X-ray diffraction techniques and mineral composition analysis recently also showed similar results [18] [19] [20]. However, the surface structure of sea sand is different from river sand ...
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As potential building sand, siliceous sea-sand and coral sand had unique physical and chemical properties compared with river sand. In order to study the effect of siliceous sea-sand and coral sand on the mechanics and water transport characteristics of concrete, the mechanical properties (including compression strength and dynamic …
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7. Coconut Coir. Coconut coir is a fibrous material harvested from the outer husk of a coconut. You can use coconut coir to supplement heavy clay soils and areas with too much sand. Like many river sand alternatives, coconut coir simultaneously improves soil drainage and water retention.
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4. M-sand (Manufactured Sand) M-sand, or manufactured sand, is produced through the crushing of hard rocks, resulting in a consistent particle size. It closely resembles natural river sand and is esteemed for its high quality. M-sand is widely used in construction for concrete production, plastering, and general construction where high-quality ...
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Presence of excessive clay can be determined in two ways:-. For testing the presence of clay in the sand, Take a glassful of water and add some sand to it. Shake it vigorously and allow the sand to settle. Check whether an apparent layer is formed on the sand. A good quality of sand should have less than 8% of clay in it.
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