Optimizing mix design of concrete with manufactured sand for low

Notably, the stone powder content of MS, a variable unique to CMS compared to river sand concrete, is found to have less importance in relation to compressive strength but should still be considered during mix design. ... Mechanical properties, durability, and life-cycle assessment of self-consolidating concrete mixtures made with blended ...

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Research on Compressive Strength of Manufactured Sand …

Abstract: Traditional natural river sand is used as a fine aggregate for concrete, but due to the severe environmental situation in recent years, many places have asked for a ban or restriction on the extraction of river sand. This has resulted in an increasing demand for concrete using machine-made sand instead of natural sand.

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Research on carbon emission reduction of manufactured sand concrete

This part calculates and analyzes the life cycle of machine-made sand concrete, mainly studies the ... Therefore, it is urgent to find river sand substitutes [3]. The problem of desertification in Northwest China is serious, and the area of desertification accounts for approximately 27% of the total land area [4].

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Orthogonal Experimental Study on Concrete …

Machine-made sand instead of natural sand has become an inevitable choice for the sustainable development of the concrete industry. Orthogonal experiment and grey correlation analysis were used to investigate …

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Experimental investigation on mechanical properties of concrete with M-sand

Tensile strength growth was limited or decreased after 90 days [9].V. Gokulnath et al., SCC M-sand concrete impact with use of powdered glass and cured for at four different ages with fresh water to improve strength. The comparison was also made for M sand concrete and traditional concrete.

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River Sand Characterization for Its Use in Concrete: A …

Concrete made with river sand has good durabilit y due to its physical properties [25] . 3) Workability: Workability refers to the ease with which concrete can be placed,

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Orthogonal Experimental Study on Concrete Properties of Machine-Made

The mechanical and working properties of the machine-made sand concrete reach the optimum condition when the mineral admixture is 20%, the sand rate is 46%, the stone powder content is 10% and the ...

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M Sand Vs River Sand – Difference Between M Sand and River Sand

Concrete with m sand has very poor permeability as compared to river sand. But when river sand is used in concrete the permeability of concrete is less poor as compared to river sand. 11: It has more water absorption 2 to 4 %. Whereas water absorption of river sand is less 1.5 to 3%. 12: Concrete with m sand has less slump as compared to ...

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Orthogonal Experimental Study on Concrete Properties of …

quality variation of machine-made sand of different lithologies on performance. Therefore, in this study, the research on machine-made tuff sand concrete is carried out through the following aspects. Firstly, the factors influencing the high-performance machine-made sand concrete mix ratio are analyzed. These factors to be optimized are used

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Effect of total substitution of crushed limestone sand on concrete

Yusuf and Olawumi (2015) make a similar study on strength properties of concrete made with river sand and dune sand as fine aggregate. Many authors studied the optimal percentage of partial ...

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M Sand Vs River Sand: Which is Better? | UltraTech …

River sand is prone to variations in quality and gradation, which can affect the workability of concrete. M sand, being manufactured, offers consistent quality and gradation, ensuring better control over the mix proportions and reducing the …

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Impact assessment of river sand resource shortage under …

More than half of the annual global concrete materials were produced in China due to the rapid developing construction industry, which partly led to the shortage of river sand. However, mining rate exceeds the natural replenishment rate of river sand recently, resulting in depletion of natural river sand accumulation. The increasing demand of river sand influences …

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A sustainable solution to excessive river sand mining by utilizing …

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, including the …

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Compactness and hardened properties of machine-made sand …

Type I ordinary Portland cement was used with a specific surface area of 362 m 2 /kg, the properties and oxide compositions of cement were shown in Table 1, Table 2.Both AMF and MS were made from limestone. The XRD pattern of AMF was shown in Fig. 1, and the specific surface area was 353 m 2 /kg. MS had a fineness modulus of 2.93, and its physical …

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River Sand vs M Sand: Key Differences and Which One to Choose

This blog highlights the subject of river sand vs M sand and compares and contrasts both types of sand, their prices, quality, and uses in different construction projects. …

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Difference Between M Sand Vs River Sand | What is M

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, etc.. Earth scientists and organizations are now promoting the use of M …

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6 Tips to Produce High-quality Machine-made Sand

The content of needle flakes in machine-made sand is most sensitive to the crushing index value. The crushing index value of machine-made sand is generally above 30%, or even higher. For mixing ordinary concrete, machine-made sand with crushing index value below 30% should be …

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River sand vs. Concrete sand?

I have been trying to find River sand, but each place I call tries to sell me concrete sand. Is it the same thing? I asked if it comes from a river and they said no. It's made. What other choices do I have if I can't find River sand? I am in South Western Ontario, Canada.

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Effects of Polypropylene Fibers on the Frost Resistance of Natural Sand

Among the materials, fly ash complies with the requirements of the standard GB/T 1596-2005 "fly ash used in cement-based concrete", its apparent density is 2500 kg/m 3, the specific surface area is 455.2 m 2 /kg, and it is a 30 mm continuous graded natural aggregate; fine aggregates are natural river sand (NRS) and machine-made sand(MS) in ...

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Exploring the Difference in M Sand and River Sand

In contrast, River Sand is made up of sharp, angular grains, making it unsuitable for plastering. Additionally, M Sand is often cheaper than River Sand and is more consistent in size and quality. This means that M Sand is less likely to contain unwanted materials such as silt and clay, which often occurs in River Sand.

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M Sand vs River Sand: A Comprehensive Comparison

When comparing M sand to river sand, it's crucial to weigh their advantages and disadvantages. M sand stands out due to its consistent …

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Experimental Study on River Sand Replacement in Concrete

are obvious differences between machine-made sand and natural river sand. So, there are some problems in the performance of concrete prepared with machine-made sand. At present, the machine-made sand is often mixed with natural river sand in practice. However, the growing scarcity of natural river sand not only causes the higher cost of ...

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Difference Between M Sand and River Sand | JK Cement

Is river sand better than M-Sand? There is no definitive answer as it depends on specific project requirements. However, M-Sand offers advantages in consistency and quality, while river sand may be more readily available in certain regions.

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Technical Application of Machine-made Sand in the Production of …

By adjusting the proportion of machine-made sand and river sand, the application of using the machine-made sand in C30 and C50 concrete was explored. The results indicate that the proportion of machine-made sand is 40% in C30 concrete, which makes the concrete show the best performance and the maximum compressive strength.

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Everything You Need to Know About Sand Making Machine

2. The surface of river sand is usually smooth after being scoured by water flow, while the manufactured sand has many sections and rough surface, so the machine-made sand particles can better combine with cementitious materials such as cement. 3. The raw materials of manufactured sand sand can come from some solid wastes.

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M Sand Vs River Sand – Difference Between M Sand …

23 rowsBut when river sand is used in concrete setting time of concrete is normal. It has cubicle and Angular shape and has a rough texture and hence it is better for concrete. Whereas the shape of natural sand is spherical and has a …

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Choosing the Right Sand for Construction

This article provides an in-depth exploration of river sand, machine-made ... Its natural occurrence means it has a variety of particle sizes, which contribute to the strength of concrete. Machine made Sand is popular for its adaptability and consistency. The controlled manufacturing process allows for specific grading and sizing, ensuring that ...

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M Sand Vs River Sand | Which One to Choose For …

When compared to m sand, river sand has a higher permeability while used in concrete. However, M sand has a 2 to 4% water absorption rate. River sand, on the other hand, absorbs only 1.5 to 3% of the water.

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Choosing the Right Sand for Construction

River Sand is widely used due to its clean and smooth texture, making it ideal for concrete and mortar applications. Its natural occurrence means it has a variety of particle sizes, which contribute to the strength of concrete. Machine made Sand is popular for its adaptability …

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Difference Between River Sand and M Sand [M Sand Vs River Sand]

The cost of M-sand may be lower compared to river sand, especially in regions where river sand is scarce or subject to high demand. Suitability for Concrete and Mortar: Both river sand and M-sand can be used in concrete and mortar mixtures, but the appropriate type and ratio depend on specific project requirements and local standards.

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