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Mixing various fibers (organic fiber, steel fiber, and inorganic fiber) in concrete can effectively enhance the mechanical properties, durability, and other properties of concrete, …
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This paper studied the influence of various performance indexes of machine-made sand on concrete work performance and admixture adaptability. The experimental results show: The …
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This part calculates and analyzes the life cycle of machine-made sand concrete, mainly studies the . Conclusion. In this study, the influence of manufactured sandstone …
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Aggregate micro fines (AMF) were usually included in the machine-made sand during the stone breaking process. Different AMF contents could be included in different …
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With the depletion and increasing demand of river sand, machine-made sand could be used more and more in concrete. In order to improve the properties of machine-made sand concrete, the …
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With the lack of natural sand and stone resources, machine-made sand will be widely used in the building materials industry. By adjusting the proportion of machine-made …
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In this paper, properties of concrete made with river-sand and machine-made sand was compared in different mix pro-portions in the first study phase based on appropriate as-sessment methods.
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The V-shaped funnel-test time is between 10.3s–19s. The workability properties of shale ceramsite concrete and river sand concrete is better than that of gravel concrete and …
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The primary difference between machine-made sand and river sand lies in the presence of stone powder. This paper conducts research on the application of machine-made …
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Research on Rebound Strength Measurement Curve of Modified Carbonation Depth of Machine-Made Sand Concrete Liang J.; Lin J.; Lv J.; Zheng S.; Rong H.; Yang X. Published：
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Machine-made sand is gradually replacing natural sand to achieve sustainable development. Experimental studies and gray-correlation analysis were used to study the properties of tunnel slag machine-made mortar and …
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To enhance the application of machine-made sand (MMS) concrete in engineering, some performances of C30 ordinary concrete and MMS concrete are researched in this paper. …
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Machine-made sand: self-produced high-quality machine-made sand was produced by the parent rock of Pingkan tun - nel excavation. The compressive strength of the parent rock was 102 …
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In order to investigate the influence of carbonation treatment on the rebound strength measurement curve of machine-made sand concrete, this study conducted research …
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When compared to natural sand concrete, the characteristics of MS necessitate the consideration of more influencing variables when predicting the CS of MSC. ... Study on …
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The chloride ion diffusion coefficient (CIDC) is an important index to evaluate the durability performance of machined sand concrete. In this study, a database of CIDC is …
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This review aims to explore the engineering properties (such as particle shape, gradation, and fines content) of manufactured sand and their impact on concrete performance, …
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This paper introduces the experimental results of long-term carbonization of concrete with machine-made sand (MSC), which is part of the studies on durability of this new concrete. …
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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 …
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machine-made sand concrete mix ratio are analyzed. These factors to be optimized are used. Materials 2022, 15, 3516 3 of 18 as influencing factors for orthogonal tests. The test results …
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The mechanical properties of machine-made sand concrete are superior to those . of river sand concrete. (3) Water-cement ratio, mix proportion design, stone powder content, …
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In this range, the chloride ion permeability of machine-made sand concrete decreases with the increase of the stone powder content, and the dynamic elastic modulus …
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In order to investigate the influence of carbonation treatment on the rebound strength measurement curve of machine-made sand concrete, this study conducted research on the …
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This part calculates and analyzes the life cycle of machine-made sand concrete, mainly studies the three aspects of energy consumption, resource consumption, and carbon …
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Manufactured sand crushed from stone or gravel, also known as machine-made sand, artificial sand or crushed-stone sand, has been used as a substitute of natural sand in …
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2.3 Mix Proportion of Sleeper Concrete. Table 1 shows the mix proportions of four types about sleeper concrete. Sleeper concrete was composed of cement, fly ash, sand, …
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Abstract In this work, the variation of working performance, compressive and flexural strength of machine-made sand concrete were studied through the changes in gelation composition such …
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The preparation method of machine-made sand makes its particle shape rough and sharp, large porosity, large specific surface area, and high content of stone powder, resulting in a big …
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Machine-made sand self-compacting concrete is a kind of self compacting concrete with machine-made sand as fine aggregate, which could fill formwork only by its own gravity, …
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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 …
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By analyzing the performance of machine-made sand concrete with equal amounts of cement replaced by stone powder, the optimum replacement ratio is obtained. Gray …
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For the nature of the mechanism sand particles of less than 0.075mm, test analysis, and this part of the particle content in excess of the case within a certain range of the specification, with a …
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The comparison was also made for M sand concrete and traditional concrete. Applying glass powder and other fibers to self-compacting concrete improved, reduces cracks …
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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 …
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In order to study the effect of polypropylene fibers on the frost resistance of natural sand and machine-made sand concrete, polypropylene fibers (PPF) of different volumes and …
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The effects of different binding material to machine-made sand ratio (BMMSR) and SN/FS (the total mass of sodium silicate and NaOH solids to the total mass of the powdered …
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2.1 Test Raw Materials. Machine-made sand: self-produced high-quality machine-made sand was produced by the parent rock of Pingkan tunnel excavation. The compressive …
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