202016· The main types of sand used in construction range from concrete sand to pit sand, natural or river sand, manufactured sand (M-sand), utility …
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ABSTRACT Manufactured sand concrete (MSC) is a specific type of concrete successfully employed in many projects and structures made of reinforced concrete, and improving concrete structures. The important characteristic of mechanical sand is that the fine aggregate contains stone powder composed of particles which could pass 75 urn BS sieve.
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This paper presents a review on performance of cement concrete containing manufacturing sand as an alternative material to natural sand. The primary objective of this study is to understand the effect of manufactured sand on the fresh, hardened and durability properties of concrete. Several papers have been studied to take an overview of recent innovations in concrete containing …
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1120· By the addition of superplasticizer and air entraining agent, manufactured sand self-compacting concrete (MS SCC) with slump flow varying from 500 to 700 mm and air content varying from 2.0% to 9.0% were prepared and the pumpability of MS SCC was studied by a sliding pipe rheometer (Sliper). According to the Kaplan’s model, the initial pump pressure and …
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630· Particle shape parameters, especially angularity, correlate well with the workability and compressive strength of concrete while having little effect on the durability of concrete. An accurate understanding of the morphological characteristics of manufactured sand is conducive to the optimization of concrete mix designs.
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530· Abstract Manufactured sand (MS) is widely considered as an alternative of the river sand (RS) recently, and to clarify the influence significance and influence mechanism of MS characteristic parameters on its concrete performance is essential to its scientific application.
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201951· Abstract In this paper, a type of typical locally available manufactured sand (MS) was utilized, and its effect on the properties of Ultra-High Performance Concrete (UHPC) were studied, based on physical and chemical points of views.
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2025314· Using manufactured sand (M-sand) as a replacement of natural sand is beneficial both environmentally and economically. However, apart from basic requirements like that for concrete using natural sand, mix design of manufactured sand concrete (MSC) needs to take more factors into consideration and requires more efficient optimization due to
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20241129· This paper investigates the quantitative and qualitative relationships among macroscopic physical properties, microscopic pore structure parameter, and internal surface morphology of manufactured sand (MS) concrete (MSC) incorporated with steel slag (SS) and silica fume (SF) under freeze-thaw cycles.
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20241226· This study optimized the mix design for high-strength self-compacting concrete with manufactured sand (MSH-SCC) and explored the effects of the fine aggregate replacement rate, sand ratio, and maximum particle size of coarse aggregate on the performance of …
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630· Particle shape parameters, especially angularity, correlate well with the workability and compressive strength of concrete while having little …
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113· Based on this, this paper calculates the life cycle of manufactured sand concrete, compares it with concrete configured with natural sand, establishes an effective carbon emission calculation model, and finally proposes an efficient carbon emission reduction scheme.
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2025526· Construction sand comes in two main varieties, namely natural and manufactured. While natural deposits have historically supplied most …
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530· Manufactured sand (MS) is widely considered as an alternative of the river sand (RS) recently, and to clarify the influence significance and influence mechanism of MS …
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Abstract. The working performance and durability of medium and low strength machine-made sand concrete with different stone powder contents were studied, and the optimal range of stone powder content in machine-made sand concrete was explored. The results show that an appropriate amount of stone powder has a significant impact on the performance of machine …
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20241227· The aim of this paper is to propose a mix design methodology for concrete with manufactured sand (CMS), considering both the desired compressive stren…
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202571· Manufactured sand (MS) is increasingly utilized in construction for its strong mechanical properties and low environmental impact. However, optimizing the mixtures of manufactured sand concrete (MSC) is complex due to the variability in MS properties and the need to balance multiple objectives, such as uniaxial compressive strength (UCS), CO 2 …
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Why manufactured sand? Manufactured sand serves as a substitute for river sand, but its production involves a carefully designed and controlled manufacturing process to meet the specific product specifications required for various applications. It is also more environmentally friendly since less natural sand is dredged from a dynamic environment.
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2025526· Construction sand comes in two main varieties, namely natural and manufactured. While natural deposits have historically supplied most sand for building projects, engineered manufacturing is now generating a significant and growing share. Beyond production variances, these two types diverge across factors, such as shape, performance, and …
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The durability of manufactured sand concrete refers to the ability of manufactured sand concrete to maintain its performance under the action of various environmental factors. Under normal circumstances, various buildings and infrastructures built with manufactured sand concrete are permanent. Once an accident occurs, it will increase the difficulty of project reconstruction, …
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2025227· This study employed limestone powder (LS), dolomite powder (DM), basalt powder (BS), and granite powder (GN) in certain proportions to replace fly ash (FA) to prepare manufactured sand high-strength concrete (MSHSC). The influences of different parent rock stone powders on the fluidity, water absorption, apparent porosity, compressive strength, and …
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ABSTRACT Manufactured sand concrete (MSC) is a specific type of concrete successfully employed in many projects and structures made of reinforced concrete, and improving concrete structures. The important characteristic of mechanical sand is that the fine aggregate contains stone powder composed of particles which could pass 75 urn BS sieve.
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20241012· The usage of manufactured sand concrete is widespread in modern engineering, and it is important to study its performance to improve …
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1120· By the addition of superplasticizer and air entraining agent, manufactured sand self-compacting concrete (MS SCC) with slump flow varying from 500 to 700 mm and air content varying from 2.0% to 9.0% were prepared and the pumpability of MS SCC was studied by a sliding pipe rheometer (Sliper). According to the Kaplan’s model, the initial pump pressure and …
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2025314· Using tunnel muck to produce manufactured sand is an optimal approach for its resource utilization. However, manufactured sand has characteristics such as angular particles, poor gradation, and high stone powder content, which lead to high cement demand and an increased risk of shrinkage cracking in concrete.
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720· In addition, it should be added that the shrinkage and cracking problem of manufactured sand concrete is one of the most concerned problems at present. It is generally believed that the content of stone powder in manufactured sand is a key factor affecting the shrinkage and cracking properties of concrete.
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201951· Abstract In this paper, a type of typical locally available manufactured sand (MS) was utilized, and its effect on the properties of Ultra-High Performance Concrete (UHPC) were studied, based on physical and chemical points of views.
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