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. Nowadays usage of plastic and generation of plastic refuse increases day by day, so necessary steps should be taken to reduce pollution due to plastic waste. Msand, an alternative to the river sand in construction. Use of manufactured sand in concrete has been an area of interest for many researchers across the globe. Globalization and its impacts on the world economic. Experimental study on concrete by using manufactured sand ijeat. Founded in 2009, sand looks for submissions that push the boundaries of form, message, and voice in fresh and unpredictable wayswork that is haunting for its soul, edge, and truth. The size of manufactured sand m sand is less than 4. Pdf the reduced availability of natural sands, particularly along the east coast of india. Influence of manufactured sands characteristics on its.
The porosity of the manufactured sand mortar is higher than that of natural sand at the same mix proportion. S will set in zone ii then the properties of manufactured sand will be same as to the natural sand. This paper presents the results of the compressive strength tests on concrete specimens using the manufactured sand, the replacement ratios of manufactured sand by mass to the natural sand are 0, 30%, 50%, 70% and 100% respectively. The current study was conducted on the mixes m30, m40 and m50. Durability is defined as the capability of concrete to resist weathering action, chemical attack and abrasion while maintaining its desired engineering properties. This experimental investigation was performed to evaluate the grading and strength properties of m20 grade of concrete mixes, in which natural sand was replaced with manufactured sand. Experimental study on compressive strength of manufactured. Different concretes require different degrees of durability depending on the exposure environment and properties desired.
Experimental investigation on selfcuring selfcompacting. Jsw slag is a byproduct of metal smelting process that has been found to be suitable for producing msand as well as coarse aggregate. The artificial sand produced by proper machines can be a better substitute to river sand. Selfcompacting concrete scc is an innovative concrete that does not require vibration for placing and compaction. Usage of m sand can drastically reduce the cost since like. Some studies has been reported the effect of m sand on strength and durability properties of. The optimum replacement ratio the concrete is suggested. In various percentages the river sand was replaced by msand and concrete mixes and sample were prepared. River sand price ranges from rs 60 80 per cubic feet. Natural river sand is widely used as fine aggregates in preparation of conventional cement mortar. Manufactured sand is a substitute of river for construction purposes sand produced from hard granite stone by crushing. Study on structural behavior of manufactured sand in concrete. The pros and cons of manufactured sand the screed scientist. The effect of molarity of alkali activator, manufactured sand msand, and quarry dust qd on the compressive strength of palm oil fuel ash pofa and fly ash fa based geopolymer mortar was investigated and reported.
The results show that the manufactured sand concrete made in this study generally requires a higher watercement wc ratio for workability equal to that of natural sand concrete due to the higher angularity of the manufactured sand particles. Manufactured sand article about manufactured sand by the. Jsw slag is a byproduct of metal smelting process that has been found to be suitable for producing m sand as well as coarse aggregate. We collected manufactured sand in local stone crusher nemkal village, ballari. Manufactured sand, a solution and an alternative to river sand and in concrete manufacturing. If you read sand, you know that we are all about work that subverts. Experimental investigation on compressive strength of m30 and. It normally refers to the duration or life span of troublefree performance.
Effect of replacement of natural sand by manufactured sand. Impact journals durability study of selfcompacting. Researchers had studied the pore structure of hardened cement paste. These freetoview online journals cover all major disciplines of science, medicine, technology and social sciences. It was tested as per indian standard specification. Manufactured sand, a solution and an alternative to river sand and in concrete manufacturing blue ocean research journals 20. Hence alternatives to sand have been used nowadays. Experimental investigation on compressive strength of m30. To date companies have achieved only partial replacement of natural sands, to around 40% of the fine aggregate component in their concrete mixes. International journal of engineering and advanced technology ijeat. Replacement of fine aggregate by msand ijste journals call. The african e journals project has digitized full text of articles of eleven social science. International journal of civil engineering and technology. Before we get into the advantages and disadvantages of manufactured sand, what exactly is manufactured sand.
Experimental investigation on the effect of msand in high. Influence of pore structure on compressive strength of. Though m sand uses natural coarse aggregates to form, it causes less damage to the environment as compared to river sand. Replacement of river sand using manufactured sand and quarry. What are the materials for partial replacement of sand in. Effects of manufactured sand characteristics on water. Fresh can be slow, sensitive can be rough, bold can be quiet. Mortar is poured in the moulds layer by layer and compact thoroughly. Research paper replacement of the brick by pet bottle with msand. To attain desirable strength and other properties, curing is necessary. Globalization and its impacts on the world economic development. International journal of engineering research and technology.
There is no surface water in the area due to the massive sand cover with a low water. Msand has caught the attention of the construction industry and environmentalists alike for its quality and the minimum damages it causes to nature. Efficient alternative materials to river sand concrete is the second largest consumable material after water, with nearly three tonnes used. Considering, the acute shortage of river sand, huge short coming on quality of river sand, high cost, greater impact on road damages and environmental effects, the construction industry shall start using the manufactured sand to full extent as alternative, reduce the impacts on environment by not using the river sand. Whereas the highgrade natural river sand rs gradually decreased in more and more areas in china, the market share of manufactured sand ms keeps sharp increasing for the boom of infrastructure construction. Effect of replacement of river sand by m sand in high strength concrete mani kandhan. The limiting resources of natural sand avail the possibility for the use of manufactured sands. Effect of replacement of natural sand by manufactured sand on. Manufactured sand is sand produced by crushing rocks, quarry stones or larger aggregates pieces into sand sized particles. Manufactured sand the m sand is a substitute of river bed sand or fine aggregate for construction purposes and manufactured sand delivered from hard rock stone by smashing. Sand is eclectic and publishes writing that takes risks, whether subtly or overtly. An investigation into the use of manufactured sand. Durability of concrete types of durability and factors. This paper describes an experimental investigation into the pore structure of cement mortar using mercury porosimeter.
Manufactured sands with a wide range of particle angularities and fines contents were included in the testing program. The extraction of river sand adversely affects the ecological balance of the river. A sandstone manufactured sand b its chemical composition is very similar to rs was chosen as the research object to further interpret the influence of ms characters on the microstructure of concrete comparing with rs. Ordinary portland cement, manufactured sand, and natural sand were used.
The first phase is to find the maximum percentage of sand can replace with lateritic soil and manufactured sand for both m20 grade concrete. An investigation into the use of manufactured sand as a 100% replacement for fine aggregate in concrete. Manufactured sand, a solution and an alternative to river. The closure of the brisbane river to extractive dredging and the exhaustion or limitation of other sand sources have caused an industry shift to manufactured sand for concrete fine aggregates.
Study on strength of concrete by partial replacement of fine. Concrete is a mixture of cement, fine aggregate, coarse aggregate and water. During the past few decades c ommon river san d has become expe nsive due to excessive cost of transport from natural sources. Manufactured sand offers viable alternative to natural sand and it is purposely made fine aggregate produced by crushing and screening or further processing. Eco imbalances, reduce groundwater level and rivers water gets dried up. Effect of manufactured sand on durability properties of concrete. Research on river sand substitutes for concrete production. Cubes are used for compressive strength test having size 7. An investigation into the use of manufactured sand as a 100. Study on strength of concrete by partial replacement of.
International journal of engineering and technology ijet. Natural and manufactured sand are from zone ii is 383. New trends in construction aggregates such as manufactured sand, and recycled aggregates, along with rising investment in infrastructure globally are driving growth of the global construction aggregates market. Transported long distance by water or wind, rs is rounded and has characteristic abrasion patterns on its grain surface, while the ms is prepared by mechanical. At present it is produced in 12 of the major hardrock quarries in southeast queensland. Replacement of fine aggregate by msand ijste journal. It was available at a place which was nearer to sastra university. It is proposed to compare the physical properties of natural river sand with manufactured sand m sand. Concrete mixes containing 0,10,20,30, 40% sand replacement levels were cast, with super plasticizer.
According to traditional view, economic development refers to the economic system that might be a mean to increase the absolute size of, for instance, capital or annual production regardless to the size of population but in the modern sense, economic development is used in relation to the movement in real income per. The variable investigated includes the quantities of replacement levels of msand, qd, and conventional mining sand nsand in two concentrated alkaline solutions. The compressive and flexural strength of these manufactured samples were analyzed with respect to. All journal articles featured in australian journal of structural engineering vol 21 issue 1. Concrete plays a vital role in development of infrastructure i. Muralikrishnan et al international journal of chemtech research, 2018,1103. River sand is a widely used construction material in hong kong, especially in the production of concrete and cementsand mortar the construction industry council has launched a research project entitled research on river sand substitutes for concrete production and cement sand mortar production. This research paper presents a study on replacement of natural sand in cement mortar.
Jun 06, 2017 the demand of sand has increased greatly due to the technological advancements in the construction industry. The result shows that the equivalent ellipse axial ratio a e is the best index for evaluating the uniformity of manufactured sand shape. An experimental investigation on strength properties of. Manufactured sand is produced from hard granite stone by crushing. The percentage increase in the shear strength at 60% replacement of natural sand by manufactured sand is found to be 21. Concrete mixes containing 0,10,20,30, 40% sand replacement levels were cast, with. Repeatability tests with singlegrade and graded materials showed that the maximum repeatability errors for three types of singlegrade material are 0. Use of manufactured sand in concrete and construction an. Influence of pore structure on compressive strength of cement. Manufactured sand m sand is a substitute of river sand for concrete construction. With manufactured sand as fine aggregate, the punemumbai express highway, one of. Manufactured sand msand for concrete properties and. Pdf replacement of sand by the mixture of msand and. The size of manufactured sand msand is less than 4.
M sand has caught the attention of the construction industry and environmentalists alike for its quality and the minimum damages it causes to nature. Usage of msand can drastically reduce the cost since like. 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 823825. Properties of concrete using manufactured sand as fine aggregate.
International journal of civil engineering and technology ijciet, scopus indexed journal, journal impact factor 20169. Due to extraction in excess, natural sand has become a scarce material and it has to be preserved. Experimental study on manufactured sand shape detection by. Msand means manufactured sand and is being prepared by crushing the rocks. Manufactured sand, natural sand, aggregate, cement. Replacement of natural sand with efficient alternatives. On this aspect research on cement mortar with manufactured sand is scarce, so this paper investigates the cement mortar produced with manufactured sand. Soil structure interaction journal issn 26454319 soil structure interaction journal ssij, the international journal of niarash sazeh karamad company, focusing on researches related to the soilstructure interaction, geotechnical, and structural engineering. 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. In this paper, plastic refuse was used as a fine aggregate in some percentage with. The crushed sand is of cubical shape with grounded edges, washed and graded to as a construction material. The african ejournals project has digitized full text of. Experimental study on properties of concrete with partial. The available limited natural sand is unable to meet the growing demand of fine aggregate for the needs of construction.
It is proposed to compare the physical properties of natural river sand with manufactured sand msand. Selfcompacting concrete is extensively applied in many construction projects due to its excellent fresh and hardened properties. 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. The demand of sand has increased greatly due to the technological advancements in the construction industry. An investigation into the use of manufactured sand as. Manufactured 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. Effect of manufactured sand on durability properties of. Manufactured sand international conference on science and engineering 2 m. Msand has caught the attention of the construction industry and.
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