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  • A systematic comparison of performance of recycled concrete fine ...

    2023年11月1日  The use of granite dust as an alternative to fine aggregate (upon 5% replacement level of sand) resulted in better performance concrete than control concrete.

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  • Best river sand mining practices vis-a-vis alternative sand making ...

    2022年1月1日  Further, an eco-friendlier alternative to river sand—the Manufactured sand (M sand)—is proposed, which besides being free of silt and clay has denser particle packing due

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  • The environmental impacts of river sand mining - ScienceDirect

    2022年9月10日  This paper brings together the effects of river sand mining on the physical, biological, chemical, and anthropogenic environment through a systematic literature review.

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  • (PDF) Alternative Fine Aggregates to Natural River Sand for ...

    2024年10月1日  To address SDG12 (ensure sustainable consumption and production patterns), and to provide technical evidence for alternative concrete constituents to traditional natural

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  • The way forward to sustain environmental quality through

    2022年3月24日  Owing to the shortage of naturally available river sand, M-sand has emerged as a sustainable alternative for the construction industry. Manufactured sand is used as an

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  • Alternative Fine Aggregates to Natural River Sand for ... - MDPI

    2024年10月1日  The concrete and mortar specimens were tested for workability, compressive strength, tensile strength, and Young’s modulus (for concrete) at 7, 28, and 90 days. The

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  • Impacts of riverine sand mining on freshwater

    The QSR results demonstrate that the response of river ecosystems to sand mining is complex, with no one simple cause–effect model applicable to all systems. Channel incision is the most common physical change, but other

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  • Research on River Sand Substitutes for Concrete Production and

    Overview of River Sand and River Sand Substitutes • The opportunity may be taken to develop a river sand substitute that is not just a substitute but is actually a better material than river

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  • Life Cycle Assessment of River Sand and Aggregates

    2023年3月2日  Magmatic and metamorphic rocks (with the exception of amphibolite) can be used as manufactured aggregates, replacing natural sand in concrete production. Selected ashes, especially coarse ash and lignite filter

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  • 5 Sandbox Alternatives For Sand (Here's What You

    2022年3月10日  Sandboxes are a great way to encourage your children to spend more time outside.However, the sand in sandboxes often contains harmful dust and bacteria that can easily harm children or animals.So, what are the best

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  • A sustainable solution to excessive river sand mining by utilizing

    2022年12月1日  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 a wide range of problems,

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  • Potential of Fly Ash Polymerized Sand as an Alternative for River Sand ...

    2020年10月10日  Potential of Fly Ash Polymerized Sand as an Alternative for River Sand in Concrete- A State of the Art Report. G Lizia Thankam 1, T R Neelakantan 2 and S Christopher Gnanaraj 2. Published under licence by IOP Publishing Ltd IOP Conference Series: ...

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  • What is River Sand?

    2024年3月1日  With a lower clay and silt content in river sand, there is more control over the workability and quality of the concrete and mortar produced. However, the excessive mining of river sand led to environmental degradation. Read the complete article to learn about river sand and its best alternative. What is River Sand? River sand is a natural sand.

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  • EVALUATION OF THE POTENTIAL OF SEA SAND AS AN ALTERNATIVE TO RIVER SAND

    2014年1月1日  River sand has been used as the sowing medium for rubber seeds in commercial nurseries during the last decades. Due to the recent growth in the construction industry in Sri Lanka, the demand for ...

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  • Utilization of Iron Tailings Sand as an Environmentally Friendly ...

    2020年12月9日  Utilization of Iron Tailings Sand as an Environmentally Friendly Alternative to Natural River Sand in High-Strength Concrete: Shrinkage Characterization and Mitigation Strategies December 2020 ...

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  • Analyzing Advantages and Disadvantages of River Sand for

    2023年12月8日  Alternatives to River Sand: The Rise of M Sand. In recent years, the construction industry has witnessed the rise of M sand (Manufactured Sand) as a viable alternative to river sand. M sand is produced by crushing rocks like granite and limestone, resulting in a sand-like substance with lesser impurities and more uniform particles.

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  • Copper Slag, A Solution and an Alternative to River Sand and in ...

    Chemical compounds % of compounds (approx.) Fe2O3 SiO2 Al2O3 CaO MgO Na2O K2O Mn2O3 TiO2 CuO Insoluble residue 69 26 0.22 0.15 0.2 0.58 0.23 0.22 0.41 1.2 14.88 Coopper Slag, A Solution S and an n Alternative too River Sand and in Concretee Manufacturinng Prooperties of mixed Fine aggrregate at all reeplacement levvels aree almost similaar to that

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  • Silica Sand vs River Sand: Understanding the Differences and ...

    2024年8月30日  Sand is an essential material in various industries, from construction to manufacturing. Two common types of sand that often come up in discussions are silica sand and river sand. But what sets them apart, and how do their unique properties influence their applications? Let’s dive into the world of sand and explore these crucial differences.

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  • Suitability of Ambo Sandstone Fine Aggregate as an Alternative River ...

    Increasing extraction of natural sand from river beds causing many problems, losing water retaining sand strata, deepening of the river courses and creating bank slides. Also, it built loss of vegetation on the bank of rivers, exposing the intake well of water supply schemes, disturbs the aquatic life as well as affecting agriculture due to lowering the underground water table, are

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  • River Sand Mining Vis a Vis Manufactured Sand for Sustainability

    2020年10月26日  M-Sand is the most idle and alternative of river and sea sand which has got all kind of acceptance not only in India but also in other countries. M-Sand can be produced while crushing the rocks quarry stone, sometimes it will be present and disposed as dump material also to a desire size of 150 micron, which is desire size for the mixing with aggregate and concrete.

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  • A systematic comparison of performance of recycled concrete fine ...

    Request PDF On Sep 1, 2023, Asim Rifa and others published A systematic comparison of performance of recycled concrete fine aggregates with other alternative fine aggregates: An approach to find ...

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  • Pertinence of Alternative Fine Aggregates For

    Pertinence of alternative fine aggregates for concrete and mortar a brief review on river sand substitutions - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

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  • Pertinence of alternative fine aggregates for concrete and mortar:

    Thus serious awareness has been taken into consideration, has to be identified as a potential river sand substitution for fine aggregates replacement in concrete. For this review, utilizing recycled material are described as a fine aggregate replacement to river sand, particularly recycled Polyethylene Terephthalate (PET) bottles.

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  • EVALUATION OF THE POTENTIAL OF SEA SAND AS AN ALTERNATIVE TO RIVER SAND

    Journal of Geological Society of Sri Lanka Vol. 16 (2014), 109-117 Professor P.G. Cooray Memorial Volume 2

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  • River Sand: An Essential Component in Construction Projects

    2024年10月17日  5. Alternatives for River Sand. Due to the environmental concerns associated with river sand mining, alternative materials such as manufactured sand (M-sand), crushed stone dust, and recycled aggregates are being explored and promoted as substitutes for river sand. 6. Quality Assessment of River Sand

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  • Sand River Masai Mara - At a Glance - Elewana Collection

    Located on the banks of a river from which it has taken its name, Sand River Masai Mara is located within the Masai Mara National Reserve, close to the Tanzanian border.

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  • Suitability of Ambo Sandstone Fine Aggregate as an Alternative River ...

    2018年4月17日  Technical experts in construction industries are trying to improve the quality, ease of using materials in different forms, and increasing structure performance. However, in the changing cost of each item, quality of works could be sacrificed. In Ethiopia, the practice of using alternative ingredients to produce materials was observed weak in some scenarios. It was

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  • Formulation of Fly Ash Geopolymer Sand ( FGPS ) as a Sustainable ...

    In India, country is facing two major problems, one is the scarcity of natural river sand with increase in the demand of it by the construction industry for the infrastructural development. And the other is the 100% utilization of fly ash, byproduct produced annually by coal based thermal power plant in the country. By adopting fly ash geopolymerization processes we can produce a

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  • Recent Trends in Replacement of Natural Sand With Different Alternatives

    2018年2月17日  More alternative by-product materials are used to substitute the use of cement, natural sand, and rocks for concrete to reduce emissions [1] and preserve natural supplies [2].

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