Concrete is the most undisputable material being used in infrastructure development throughout the world. Natural sand is a prime material used for the preparation of concrete. Nowadays river erosion and other environmental issues have led to the scarcity of river sand. The reduction in the sources of natural sand and in the cost of concrete production has resulted in the increased need to ...

Foundry sand is high-quality uniform silica sand that is used to make molds and cores for ferrous and nonferrous metal castings. The metal casting industry annually uses an estimated 100 million tons of foundry sand for production. Over time, foundry sands physically degrade until they are no longer suitable for molds. Consequently, 9

conventional concrete. The use of lightweight concrete has been widely spread across countries such as USA, United Kingdom and Sweden. The main specialties of lightweight concrete are its low density and thermal conductivity. Its advantages are that there is a reduction of dead load, faster building rates

consumption of natural sand is high, due to the large use of concrete and mortar. Hence the demand of natural sand is very high in developing countries to satisfy the rapid infrastructure growth.

As shown in the Beneficial Reuse of Foundry Sand from the Metal Casting Sector figure, foundry sand can be used almost anywhere sand is used. Construction contractors use it for structural fill, backfill, and pipe bedding. The cement sector uses it as an ingredient in cement. It can be used to make asphalt, bricks, concrete blocks, and ...

• Used foundry sand is a high volume industrial waste that can be more widely reused as an alternative to landfill disposal. A brief look at three factors supports this finding: (1) foundries generate substantial volumes of used sand that is non-hazardous, consistent in composition, and available in

In this study, the potential re-use of waste foundry sand in high-strength concrete production was investigated. The natural fine sand is replaced with waste foundry sand (0%, 5%, 10%, and 15%). The findings from a series of test program has shown reduction in compressive and tensile strengths, and the elasticity modulus which is directly ...

Effect of waste foundry sand (WFS) as partial replacement of sand on the strength, ultrasonic pulse velocity and permeability of concrete G Singh, R Siddique Construction and building materials 26 …

proportions in concrete mix and check there stability. Amount of waste plastic being accumulated in 21st centuries has authorities to invest in felicitating the use of waste plastic coarse aggregate in a concrete is fundamental to the booming construction industry. Three replacement levels of 10 %, 20

Re-usage of waste foundry sand in high-strength concrete Autores: Yucel Guney, Yasin Dursun Sari, Muhsin Yalcin, Ahmet Tuncan, Senayi Donmez Localización: Waste management, ISSN-e 0956-053X, Nº. 8-9, 2010, págs. 1705-1713

Waste foundry sand (WFS) from the brass and bronze casting and molding process include various potentially toxic elements (PTEs), such as copper, zinc, tin, and lead. Hence, the utilization of WFS in construction and geotechnical applications evokes environmental concerns due to the rain-induced leaching of PTEs into the groundwater system. The present study investigated the …

The re-use of plastic waste as an alternative to partial volume of sand in the concrete rids Iraq of harmful waste plastic piles as well as reduces demand for natural sand and dependence on remote ...

In this study, the potential re-use of waste foundry sand in high-strength concrete production was investigated. The natural fine sand is replaced with waste foundry sand (0%, 5%, 10%, and 15%). The findings from a series of test program has shown reduction in compressive and tensile strengths, and …

Large amounts of waste foundry sand (WFS) is being generated worldwide every year and it is necessary to re-use it for valuable cause. WFS is reported suitable up to a certain extent for ...

have reported the use of waste foundry sand for the inertization and re-use of waste materials by vitrification. In addition, Raupp-Pereiraa et al. (2004) investigated the refractory mortars made of waste foundry sand. On the other hand, the use of limestone in the construction industry has been increasing due to benefits as aggregate.

Global production of concrete is about 12 billion tons a year corresponding to almost 1 m 3 per person per year making it one of the largest users of natural resources in the world [].It is predicted that concrete usage will increase to more than 7.5 billion m 3 (about 18 billion tons) a year by 2025 [].. Recently, the increasing consumption of concrete by the construction industry has led to ...

The suitability of waste sands for us~ as a fine ag~regate in asphalt concrete has been examined by replacing some portions of conventional aggregates with a particular waste foundry sand. A re­ placement level of 15 percent was found to be suitable for this case. Waste foundry sand (WFS) is a by-product of the casting industry

In order to bring a solution to the problem of waste foundry sand (WFS) in the foundry sector and achieve its reuse, geopolymer building material (as a cementless technology) was produced from the WFS for the first time in the literature in this study. The physical and mechanical characteristics of this material were determined. In the first part of the experimental step, the sieve analysis ...

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In another study, high-density concrete (ρ = 4.71 g/cm3) was made by using steel balls and in aggregate the debris of the demolished concrete buildings in the earthquake region in Fukushima. Good shield properties were determined this of heavy concrete and it is shown that can be used in storage radioactive waste (Sanjay, Yusuke, Kimura ...

Abstract. In this study, the potential re-use of waste foundry sand in high-strength concrete production was investigated. The natural fine sand is replaced with waste foundry sand (0%, 5%, 10%, and 15%). The findings from a series of test program has shown reduction in compressive and tensile strengths, and the elasticity modulus which is ...

Compressive strength of concrete specimens obtained by partial or total substitution of water with sludge produced by water or wastewater treatment plants. ... Tuncan A, Donmez S. (2010) Re-usage of waste foundry sand in high strength concrete. Waste Management, 30,1705–13. 8. Metcalf & Eddy, Inc. (2002). Wastewater Engineering: Treatment ...

Foundry sands have closed skeletal, lattice, largely isotropic, very porous microstructure. Pavement quality concrete mixes with 20 percent foundry sand demonstrated high value of compressive strength (> 40 MPa) and flexural strength (> 4.5 MPa) at 28 days indicating its suitability for the construction in concrete pavement.

REFERENCES [1] Boskey Bahoriaa, Dr D K Parbatb, Dr. P. B. Nagarnaikc, Dr.U.P.Waghe "Effect of Replacement of Natural Sand By Quarry Dust And Waste Plastic On Compressive & Split Tensile Strength Of M20 Concrete" [2] Pramod S. Patil1, J.R.Mali2, Ganesh V.Tapkire3, H. R. Kumavat4 "Innovative Techniques of Waste Plastic Used In Concrete ...

KEYWORDS: Industrial Waste, Used Foundry Sand, Interlocking Paver Block, Cost INTRODUCTION About Foundry Sand Foundry sand is high-quality uniform silica sand that is used to make moulds and cores for ferrous and nonferrous metal castings. Foundry sand consists primarily of silica sand, coated with a thin film of burnt carbon, residue and dust.

How Silica Sand Is Different From Regular Sand. Regular sand, also known as feldspathic sand, brown sand, or construction sand, will always contain some silica, but only in amounts less than 95%. For example, typical brown sand used for concrete applications can contain up to 80% SiO2, along with varying amounts of iron, carbonate, potassium ...

The purpose of this paper is to examine the mechanical properties, material composition of spent garnet as a sand replacement in high-strength concrete at room and elevated temperatures. Bonding of the concrete containing spent garnet and reinforcing rebar is investigated. Moreover, the optimum thickness of concrete cover subjected to elevated temperatures is investigated.,First, the plain ...

Rather than use all Portland cement sand, green concrete uses only a portion and fills out the rest with waste products already available like fly ash. Fewer Emissions Less energy required to manufacture green concrete means fewer emissions of harmful gas into the air.

Read "10.1016/j.wasman.2010.02.018" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Reusage of waste foundry sand in high . 09/03/2010· In this study, the potential reuse of waste foundry sand in highstrength concrete production was investigated The natural fine sand is replaced with waste foundry sand (0%, 5%, 10%, and 15%) The findings from a series of test program has shown reduction in compressive and tensile strengths, and the elasticity modulus which is directly ...

subsequent decrease in strength [15]. The use of CAC for WFS recycling and studies on the obtaining of mortars by sand replacement have so far not been reported. Therefore, this work focuses on the re-usage of WFS in CAC-based mortars with a high replacement level of the regular sand (50%).