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Currently, research related to manufactured sand is mostly focused on the mix design, mechanical properties, and durability changes of manufactured sand concrete (MSC). There is relatively little research on the structural performance of MSC [4], which limits the application of manufactured sand in railway prestressed components [5] .
The results indicated that a marginal increase in strength and durability properties of high performance concrete by addition of manufactured sand as a complete replacement of natural sand ...
Microstructure analysis reveals that the addition of 10% manufactured sands dust can fill larger voids in concrete, improve the internal structure of concrete, and thereby enhance durability. These results provide theoretical basis for studying the effects of manufactured sands dust on the mechanical properties and durability of recycled concrete.
In this paper, the mass growth rate and compressive strength of manufactured sand concrete are higher than those of river sand concrete, because of the filling effect and …
MANUFACTURED SAND DEEPTHY RAJAGOPAL 1 & MATHEWS M PAUL 2 1Post- Graduate Scholar, Mar Athanasius College of Engineering, Kothamangalam, Kerala, India ... Durability Study of Self-Compacting Concrete Using Manufactured Sand 47 Impact Factor(JCC): 1.5548 - This article can be downloaded from Figure 1: Percentage Reduction in ...
Here, industrial waste residue (fly ash and slag), sea sand (SS), and manufactured sand (MS) were used to produce UHPC under standard curing conditions to reduce the material cost and make it more environmentally friendly and sustainable. ... The Impact of RCA and Fly Ash on the Mechanical and Durability Properties of Polypropylene Fibre ...
Manufactured sand crushed from stone or gravel, also known as machine-made sand, ... Effect of limestone fines content in manufactured sand on durability of low- and high-strength concretes. Constr. Build. Mater., 23 (2009), pp. 2846-2850, 10.1016/j.conbuildmat.2009.02.033.
Durability of concrete Since manufactured sand (M-Sand) is processed from selected quality of granite, it has the balanced physical and chemical properties for construction of concrete structures.
concrete containing natural sand is having good strength and durability properties. Nowadays there is a lot of demand for the ... Manufactured Sand – M.S, Specific Gravity – G, Fineness ...
manufactured sand (M-sand) instead of natural river sand in making concrete. M-sand is obtained by crushing the natural granite stone in the vertical shaft Impact crushers and screening the output form the fine aggregates of size less than 4.75mm. Some studies has been reported the effect of M-sand on strength and durability properties of
In this study, the matrix properties and interface characteristics of ECC tailored with Manufactured sand (M-sand) replacing the river sand at varying proportions were …
The results shows that there is an increase in the durability properties up to 70 % level of replacements of sand with manufactured sand as fine aggregate and for 100 % use of manufactured sand ...
The results indicated that a marginal increase in strength and durability properties of high performance concrete by addition of manufactured sand as a complete replacement of natural sand ...
This paper uses granite and limestone manufactured sand to study the effect of high fines content on the durability of high-strength manufactured sand concrete, and analyzes its influence mechanism by combining macro …
The present investigation is an attempt to study durability properties of concrete with manufactured sand as complete replacement to natural sand and varying percentage of basalt fibers ranging ...
The durability of three types of wet joints in manufactured sand concrete prepared in simulated plateau environment was investigated. And the accelerated corrosion test on specimens in the chloride salt solution and the static tensile test on corroded steel bars in specimens were carried out by sequence.
In such a situation the manufactured sand can be an economical alternative to river sand. The manufactured sand is defined as residue, tailing or other non-valuable material after the extraction ...
The granite powder was beneficial regarding the high-strength concrete durability with manufactured sand within a certain range of replacements. However, too-high values of fine powder could inhibit the hydration of the cement and then adversely affect the durability of the resulting concrete [ 20 ].
The mechanical and some durability properties of these concretes were studied. The results showed an improvement in the workability of the manufactured sand concrete by introducing granite dust. ... Manufactured sands from limestone, granite, basalt etc. have become the green and economical substitute for river sands used in high-performance ...
MANUFACTURED SANDBuilding Materials Manufacturers & Suppliers 15, P&T Colony Bus Stop, Kavundampalayam to Edayarpalayam road, Kavundampalayam, Coimbatore. ... Our M-Sand Is An Alternative For River Sand & Is Widely Used In Construction. M-Sand Strength Properties In Compressive Strength, Flexural Strength, Durability, Workability & Consistency ...
Manufactured sand (MS) is a kind of artificial sand which is broken by rock crusher and has been applied in many projects. MS has the characteristics of particle morphology, stone powder content and parent rock, resulting in some differences in the performance of MS and NS concrete [7].Nanthagopalan et al. [8] successfully prepared self-compacting concrete …
This report describes the effects of various manufactured sands on the durability of concrete, including the effects of w/c ratio and supplementary cementitious materials. A limited investigation was also conducted on the effects of overall aggregate grading and manufactured sand gradation. 17. Key Words Natural sand, manufactured sand, compressive
Effects of fine content on the durability of high-strength manufactured sand concrete. Materials, 16 (2) (2023), 10.3390/MA16020522. Google Scholar [17] Liu Suihu, Zeng Xiaohui and Tang Zhuo Mechanical and dry shrinkage properties of mechanical sand concrete under steaming conditions, J. Railway Sci. Eng.: 1-12 (2023).
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. ... Effect of limestone fines content in manufactured sand on durability of low ...
A summary of durability factors and percent length change are given in Table D-1. Concrete having durability factors of 90 or greater are generally considered to be freeze-thaw resistant. Note that the mix designs using Amazonia limestone manufactured sand and Bonneterre Dolomite manufactured sand, with 6.6 cement
This study, with a main focus on durability performance, explores strength and behavior of manufactured sand concrete containing alcofine and zinc oxide in severe …
From the test results it is observed that the concrete blended with 30 % natural sand and 70 % manufactured sand having good durability properties. Discover the world's research.
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In order to explore the durability of manufactured-sand-reinforced concrete and its wet joint in a plateau environment, an integrally formed (IF) specimen and a wet joint specimen with punched interface (PI) made up of manufactured sand concrete were prepared in the simulated plateau environment. On the one hand, the accelerated corrosion test on IF and PI …
Enhanced durability properties of the triple mix SCC incorporating 50 (%) sea sand and 50 (%) manufactured sand suggest that substituting river sand with sea sand could …
The workability and durability of manufactured sand concrete can be significantly improved by adding an appropriate stone powder. However, excessive stone powder will lead to a reduction in the strength and durability of manufactured sand concrete. It is suggested that the best stone powder content of concrete with a water/cement ratio of 0.32 ...
The mechanical properties, durability and fracture properties of RFAC are significantly related to the replacement rate and quality of RFA [8], [9]. ... Manufactured sand (MS) is a new sustainable construction sand with the advantages of low cost, controllable quality and less environmental impact [15].
Durability studies on fly-ash based laterized concrete: A cleaner production perspective to supplement laterite scraps and manufactured sand as fine aggregates Journal of Cleaner Production, Volume 366, 2022, Article 132908