P. Mahakavi is a Research Scholar at the Department of Civil Engineering in Anna University, Chennai. In the last 4 years, his research has been focused on the development of structural concrete with waste materials such as foundry sand, Manufactured sand and Recycled Coarse aggregate in Self-Compacting Concrete.
Read moreWith manufactured sand marketed as a material complying with certain recognized specifications, it is then up to the design engineers or concrete producers to specify ordinary crushed rock fine ...
Read moreFeb 22, 2016· The water absorption of manufactured sand is high due to more fine particles and may lead to low workable mix. The manufactured sand is angular in shape and natural sand is rounded. 4. MIX DESIGN The mix design is done according to IS: 10262-2009. The proportions adopted for M20 grade is 1:1.85:4.02 with a w/c of 0.5 and cement content of 330kgs.
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Read moreThe uniaxial compression response of manufactured sand mortars proportioned using different water-cement ratio and sand-cement ratio is examined. Pore structure parameters such as porosity, threshold diameter, mean diameter, and total amounts of macropores, as well as shape and size of micropores are quantified by using mercury intrusion porosimetry (MIP) technique.
Read moreIRJET Journal. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read Paper. Strength characteristics of different types of manufactured sand in cement mortar.
Read moreSo an alternative of this, manufactured sand is produced by the companies to meet the demands. The natural river sand is the product of sedimentation and this river sand contains more impurities than manufactured sand. So river sand sometimes cannot be used for important concreting works. So suitability of manufactured sand is tested.
Read moreBoth river sand and manufactured sand are found to be free of organic impurities. Alkali silica Reactivity test . Both river sand and manufactured sand showed much lower expansion compared to the limit of 0.1% that qualifies them as innocuous material. Particle size Verification . …
Read moreManufactured sand is used as a partial replacement to the natural sand then calculated amount of water is added and mix it thoroughly to get a homogeneous mix. Mortar is poured in the moulds layer by layer and compact thoroughly. Cubes are used for compressive strength test having size 7.06 mm (0.3 in) x7.06 mm (0.3 in) x 7.06 mm (0.3 in) ...
Read moreHK.NCCP International Journal of Civil Engineering and Machinery Manufacture ISSN: 2518-0215, Volume 5, Issue 1, March, 2020 39 Research Status and Prospect Analysis of Manufactured Sand Dry-mixed Mortar Dequan Peng1, Xiaohong Guan2 1Chongqing Jiaotong University, Chongqing 400074, China 2Guangxi Jinsheng Traffic Survey and Design Co., Ltd., Nanning 530028, China
Read moreManufactured sand" International Conference on Science and Engineering [2] M. G. Shaikh and S. A. Daimi (2011) "Durability studies of concrete made by using artificial sand with dust and natural sand" International Journal of Earth Sciences and Engineering Volume 04, pp 823-825
Read moreJan 09, 2021· M-Sand is artificial sand produced from crushing hard stones into small sand sized angular shaped particles, washed and finely graded to be used as construction aggregate. It is a superior alternative to River Sand for construction purposes. Manufactured Sand (M-sand) is the most common alternate of river sand, which has already gained ...
Read moreManufactured sand for concrete. B.P., Hudson. S.l. : The Indian Concrete Journal, 1997, pp. Pp 237-240. has been cited by the following article: Article. Suitability of Ambo Sandstone Fine Aggregate as an Alternative River Sand Replacement in Normal Concrete Production.
Read moreResults show that manufactured sand can be replaced with river sand for gaining the strength and use a dose of super plasticizer to maintain proper workability at a particular proportion of water cement ratio. Full Paper. Reference. IS 4031(Part 5)–2000 Method of physical tests of hydraulic cement Part 5 Determination of initial and ...
Read moreThe present study focuses on evaluating the micro structural characteristics of medium strength concrete, in which manufactured sand (M-sand) is used as a partial and full substitution for natural sand. This paper presents a scanning electron microscopy (SEM) study performed on the medium strength concrete containing manufactured sand. SEM images of manufactured sand shows that the surface is ...
Read moreJun 23, 2017· Manufactured sand holds an important place in the Indian construction sector. It has several advantages over river sand and has thus become a preferred choice amongst several developers across the country. Manufactured sand or M-sand is a substitute of river sand, used in construction industry mainly for concrete production and mortar mix.
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Read moreMaterials (0% Manufactured Sand +50% Manufactured Sand (0% Natural Sand) Cement+ fly ash 1 1 1 + micro silica Coarse aggregate 20 mm 1.69 1.41 0.88 10 mm 1.56 1.3 0.81 Fine aggregate 3.25 1.79 1.69 Water 0.28 0.28 0.28 Table 3: Table Showing Compressive Strength Readings Proportion Natural Sand 50% Natural Sand Manufactured Sand
Read moreManufactured sand differs from natural sea and river dredged sand in its physical and mineralogical properties. These can be both beneficial and detrimental to the fresh and hardened properties of concrete. This paper presents the results of a laboratory study in which manufactured sand produced in an industry sized crushing plant was characterised with respect to its physical and ...
Read moreWith manufactured sand marketed as a material complying with certain recognized specifications, it is then up to the design engineers or concrete producers to specify ordinary crushed rock fine ...
Read moreSelf compacting concrete (SCC) has been developed by using cement, fly ash and manufactured sand and coarse aggregate as main ingredients. Basics tests on SCC with various proportions of cement and fly ash have been performed and found that the
Read moreAn experimental investigation on the properties of concrete containing manufactured sand. International Journal of Advanced Engineering Technology. 2012;3:101–104. Priyanka AJ, Dilip KK. Effect of replacement of natural sand by manufactured sand on the properties of cement mortar. International journal of civil and structural engineering ...
Read moreAug 26, 2021· Additive manufacturing (AM) enables the creation of unparalleled structures out of common materials 1,2,3,4,5 and provides a path to producing customized tools and dies for industrial ...
Read moremanufactured 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
Read moreMay 06, 2015· Manufactured sands with a wide range of particle angularities and fines contents were included in the testing program. The program involved measurement of various sand attributes, and a subsequent testing phase on mortar workability that isolated and evaluated the effect of the subject sand attributes on water demand and workability of mortars.
Read moreJun 11, 2014· Retempering of Concrete made by using Manufactured Sand Retempering of Concrete made by using Manufactured Sand Pethkar, A.; Deshmukh, G. 00:00:00 J. Inst. Eng. India Ser. A (April–June 2014) 95(2):105–108 DOI 10.1007/s40030-014-0079-6 OR IGINAL CONTRIBUTION A. R. Pethkar G. Deshmukh Received: 28 February 2012 / Accepted: 26 April 2014 / …
Read moreThe manufactured sand utilized, is brought from local supplier. 3.3.3 QUARRY DUST SAND (QS) Quarry dust is a waste material collect from stone quarries while the stone crushes, stone crusher dust that is abundantly available from crusher units at a low-priced in …
Read moremanufactured by the authorized 10 M-sand quarries. To cope up with the crisis, developers are now finding other alternatives. M-sand is an alternative solution for demand of river sand and in future most of the construction project will be fully dependent on M-sand. Hence it is important to
Read moreSTUDY ON PERFORMANCE OF MANUFACTURED SAND AS FINE AGGREGATES IN HIGH STRENGTH CONCRETE CONSTRUCTIONS S.S.Saravanan#1, Dr.P.Jagadeesh2 #1 Research scholar, School of Civil & Chemical Engineering, VIT University, India 1 [email protected] 2 Professor, School of Civil & Chemical Engineering, VIT University, India 2 [email protected] …
Read moreSelf-consolidating concrete (SCC) with manufactured sand (MSCC) is crucial to guarantee the quality of concrete construction technology and the associated property. The properties of MSCC with different microlimestone powder (MLS) replacements of retreated manufactured sand (TMsand) are investigated in this study. The result indicates that high-performance SCC, made using TMsand …
Read moreJul 07, 2021· Manufactured sand (MS) has been increasingly used as fine aggregate for concrete. This paper proposes a prediction of the compressive strength of concrete with manufactured sand (MS-concrete) based on an ensemble classification and regression tree (En_CART) method. A data set containing 1,350 original measured strengths of 328 concrete mixtures ...
Read moreDec 11, 2020· The mechanical properties and workability of manufactured sand reactive powder concrete (RPC) mixed with steel and basalt fibers were studied using the response surface method. The central composite design was used to explore the 7-day and 28-day compressive strength, flexural strength, and workability of different amounts of mixed fiber-manufactured sand RPC.
Read morenatural sand by manufactured sand. The percentage increase in the compressive strength at 60% replacement of natural sand by manufactured sand is found to be 1.52%. 3) It has been observed that the shear strength of concrete with replacement of natural sand by manufactured sand goes on increasing up to 60% replacement.
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