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assessment of concrete produced with foundry waste as

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Assessment of Concrete Produced with Foundry Waste as ...

2016-6-1  The assessment in this research is targeted at determining the percentage of foundry waste suitable to be used as a partial replacement for fine sand aggregate. Experimental result reveals that 15% of foundry sand is appropriate as partial replacement of fine sand aggregate for preparation of grade 20 concrete by application of compressive strength equation as targeted strength of concrete ...

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Environmental assessment of cement/foundry sludge

This work deals with the environmental assessment of products based on cement and a waste from a cast iron activity. The waste is a foundry sludge from wastewater treatment previously characterized.

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Assessment of reclaiming process of sand as foundry

2018-9-1  Assessment of Reclaiming Process of Sand ... of mortars produced with Portland cement. The properties on the fresh state were evaluated by means of ... fresh and hardened properties of concrete containing waste foundry sand (WFS) replaced with 0 to 100% with fine aggregate. The water to cement for all mixes was kept constant.

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Foundry Wastes Reuse and Recycling in Concrete

2021-11-10  This study presents the potential re-use of waste foundry sand (WFS) in ready-mixed concrete (RMC) production. Regular sand was replaced with five percentages (0%, 10%, 20%, 30%, 40%) of WFS by ...

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Strength and Workability Assessment of Concrete

2019-11-26  Produced concrete using this mix ratio was used as the control. The brick powder as a partial replacement for cement weights, i.e. a partial replacement of cement from 0 to 20 percent by weight was adopted. A water/cement ratio of 0.45 was adopted for the research work. Slump tests were conducted for every batch of concrete produced.

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Waste foundry sand in concrete: A review - ScienceDirect

2017-12-15  Waste produced (WFS) from these foundries is approximately 1,710,000 tons (1.71 MT) per annum . In an effort to use the waste foundry sand in large volume, research is being carried out for its possible substantial utilization as partial replacement of fine aggregate in concrete.

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Development of waste-based concretes containing

2021-1-18  Furthermore, RFA that is an abundant waste material produced from construction and demolition (CD) waste can be used as a material alternative to river sand in concrete . In Australia, USA, and Europe more than 17, 123, and 850 million tons of CD waste is produced annually, respectively [25] .

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Use of waste foundry sand as a partial replacement to ...

2020-8-1  1. Introduction. Waste Foundry Sand, a waste product from ferrous and nonferrous metal casting industries, consists of high quality silica sand along with binders (Wang et al., 2020).These binders hold the sand together to maintain its shape when the molten metal is poured into the mold.

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Utilization of Waste Foundry Slag and Alccofine for ...

By replacing partial replacement of cement with 15% of Alccofine and fine aggregate about 10% to 45% with foundry slag achieved better results for making high strength concrete mix. pH value of ...

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Strength and Workability Assessment of Concrete

An equation is developed to capture the marginal increase in compressive strength of concrete produced with waste clay bricks, even after 28 days, for a 10% partial replacement of cement. Keywords: Cement, Strength, Compression, Aggregate and Regression.

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Assessment of reclaiming process of sand as foundry

2018-9-1  Assessment of Reclaiming Process of Sand ... of mortars produced with Portland cement. The properties on the fresh state were evaluated by means of ... fresh and hardened properties of concrete containing waste foundry sand (WFS) replaced with 0 to 100% with fine aggregate. The water to cement for all mixes was kept constant.

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[PDF] Foundry Sand Utilisation in Concrete Production ...

This paper reports results on the properties of concrete containing waste foundry sand (WFS). Fine aggregate was replaced with 0-100% WFS. The water to cement for all mixes was kept constant. Fresh and hardened properties of concrete were investigated. Hardened properties included water absorption, strength, ultrasonic pulse velocity (UPV) and length change.

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[PDF] Utilization of Waste Foundry Sand and Waste

Also the use of waste foundry sand and waste ceramic tiles in construction could help to avoid the problems related to environment pollution. An attempt has been made in this study to determine the compressive strength of M20 grade concrete using waste foundry sand and waste ceramic tiles as partial replacement for fine and coarse aggregates.

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Strength and Workability Assessment of Concrete

An equation is developed to capture the marginal increase in compressive strength of concrete produced with waste clay bricks, even after 28 days, for a 10% partial replacement of cement. Keywords: Cement, Strength, Compression, Aggregate and Regression.

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DEVELOPING A SIMPLIFIED LCA/LCI MODEL OF

2021-4-21  improving concrete production by substituting some concrete ingredients with foundry waste. A foundry can be called a factory that produces metal castings. In the foundry, metals can be casted into different shapes by melting them into liquid or molten forms and then pouring in a mold, and the casting or mold material is then removed after the

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Marta Bo ym*, Beata Klojzy Karczmarczyk Assessment of

Foundry waste are usually characterized by low mercury content compared to other heavy metals. Spent foundry sands with low content of Hg are the main component of foundry waste. However, Hg may be present in foundry dust, which may also be landfilled. Due to Hg toxicity, even a minimal content may have a negative impact on biota.

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Surplus foundry sand and its assessment of applicability ...

2016-5-27  producing waste, it has to be realized that they can be used as alternative materials. The capacity to receive the waste sand from foundry by the landfill sites are limited. The amount of the waste produced is huge. This forces countries to make large ‘EU landfills’ and to close the small ones.

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REUSE OPTIONS FOR FOUNDRY WASTE SAND – F10

2017-12-19  Waste minimisation aims to reduce the source of waste and eliminate waste before it is produced, or reduce, reuse, recover or recycle it. Before looking at external sand reuse opportunities, foundries need to demonstrate that all avenues to prevent and minimise the generation of spent sand have been explored.

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Beneficial Uses of Spent Foundry Sands US EPA

2021-1-26  Beneficial Uses for Spent Foundry Sands. EPA's risk assessment for the beneficial uses of spent foundry sands found that that silica-based spent foundry sands produced by iron, steel and aluminum foundries can be safely reused to save energy, reduce the need to mine virgin materials, and reduce costs for both producers and end users. EPA supports the use of silica-based spent foundry

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Assessment of Durability of Recycled Aggregate

2021-1-25  Assessment of Durability of Recycled Aggregate Concrete Produced by Two-Stage Mixing Approach Vivian W. Y. Tam1* and C. M. Tam2 Abstract As more than 50% construction and demolition (CD) wastes are composed of concrete debris in Hong Kong, recycling this debris into Recycled Aggregate (RA) for production of

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[PDF] Foundry Sand Utilisation in Concrete Production ...

This paper reports results on the properties of concrete containing waste foundry sand (WFS). Fine aggregate was replaced with 0-100% WFS. The water to cement for all mixes was kept constant. Fresh and hardened properties of concrete were investigated. Hardened properties included water absorption, strength, ultrasonic pulse velocity (UPV) and length change.

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[PDF] Utilization of Waste Foundry Sand and Waste

Also the use of waste foundry sand and waste ceramic tiles in construction could help to avoid the problems related to environment pollution. An attempt has been made in this study to determine the compressive strength of M20 grade concrete using waste foundry sand and waste ceramic tiles as partial replacement for fine and coarse aggregates.

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Interlocking Concrete Paving Blocks Produced with

The goal of this research is to analyze the use of spent foundry sand (SFS) and foundry exhausted dust (ED) in the making of interlocking concrete paving blocks. These blocks have been made with foundry sand waste as aggregate and this element has been substituted partially by 0,

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DEVELOPING A SIMPLIFIED LCA/LCI MODEL OF

2021-4-21  improving concrete production by substituting some concrete ingredients with foundry waste. A foundry can be called a factory that produces metal castings. In the foundry, metals can be casted into different shapes by melting them into liquid or molten forms and then pouring in a mold, and the casting or mold material is then removed after the

View More

REUSE OPTIONS FOR FOUNDRY WASTE SAND – F10

2017-12-19  Waste minimisation aims to reduce the source of waste and eliminate waste before it is produced, or reduce, reuse, recover or recycle it. Before looking at external sand reuse opportunities, foundries need to demonstrate that all avenues to prevent and minimise the generation of spent sand have been explored.

View More

Surplus foundry sand and its assessment of applicability ...

2016-5-27  producing waste, it has to be realized that they can be used as alternative materials. The capacity to receive the waste sand from foundry by the landfill sites are limited. The amount of the waste produced is huge. This forces countries to make large ‘EU landfills’ and to close the small ones.

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Frequent Questions about EPA's Risk Assessment of Spent ...

2020-10-7  2. Does EPA support beneficial uses of silica-based spent foundry sand? Based on the conclusions of the risk assessment and the available environmental and economic benefits, the EPA supports the beneficial use of silica-based spent foundry sands specifically from iron, steel and aluminum foundries, when used in manufactured soils, soil-less potting media, and roadway construction as

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Assessment of Durability of Recycled Aggregate

2021-1-25  Assessment of Durability of Recycled Aggregate Concrete Produced by Two-Stage Mixing Approach Vivian W. Y. Tam1* and C. M. Tam2 Abstract As more than 50% construction and demolition (CD) wastes are composed of concrete debris in Hong Kong, recycling this debris into Recycled Aggregate (RA) for production of

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Characterization of Red Ceramic Waste for Application as ...

The partial replacement of cement with 30% waste assigns a pozzolanic character to portland cement. The assessment of compressive strength and porosity in mortars over time supported the potential of using comminuted red ceramic waste as pozzolanic mineral addition in portland cement.

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Carbon Footprint of Recycled Aggregate Concrete

2017-8-30  Carbon footprint is one of the most widely used tools for assessing the environmental impacts of the production and utilization of concrete as well as of the components derived from it, representing the amount of carbon dioxide and other greenhouse gases associated with this product, expressed as CO 2 equivalents. In this paper, carbon footprint was used to compare the

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