Waste foundry sand in concrete: A review
— United States has about 3000 foundries which annually utilizes 100 million tons of sand for its production and about 6–10 million metric tons of waste foundry sand is discarded per year, which goes into landfills [2], [3]. With high national average tipping fee of foundry by-products landfilling has also not remained a feasible option.
Optimizing Construction Waste Recycling: Strategies, …
— As a result, the construction sector is increasingly concentrating on improving waste recycling processes in order to reduce its environmental imprint. This …
USE OF WASTE FOUNDRY SAND IN INFRASTRUCTURE
Industry estimates are that approximately 100 million tons of sand are used in production annually. Of that, four to seven million tons are discarded annually and are available to be recycled into ... (UFS). Waste sand is a major problem for Indian Small and medium scale Foundry. Since foundries make intensive use of sand as primary direct ...
Construction Sand: Types, Uses, and Differences Compared
— Filter sand: Construction sand can also be used as filter sand. Filter sand is used to remove sediment and impurities from water. Playground sand: Construction sand can also be used in sandboxes and playgrounds. Playground sand is typically coarse-grained and non-abrasive, making it safe for children to play in.
Using Plastic Sand as a Construction Material toward a …
— Recently, research on innovative approaches to and practices for plastic waste management in a circular economy has gained momentum. Plastic waste pollution poses a serious environmental concern. At the same time, the cement industry is among the biggest sources of CO2 emissions, which poses another environmental challenge. This …
Artificial sand provides green solutions for the construction …
— An ever-growing population and a continuing trend towards urbanisation mean that around 40 billion tonnes of sand are mined each year to meet the world's increasing demand for construction materials. Because sand from the desert is unsuitable as a building material, it must be mined or dredged from rivers, deltas, and coastal and …
Construction and demolition waste – Major challenges …
Another CDW management challenge in at least some regions of the globe is the scarcity of sand and gravel resources due to rapid global urbanization that creates the predicted …
Quantitative methods for predicting underground construction waste …
— The construction industry has been greatly developed in the past few decades, especially in the extensive use of underground space. The increasing amount of waste (e.g., soil, sludge, and rock) generated in the underground construction constitutes an important part of construction and demolition waste (CDW), but the related problems are …
Recycled Sands from Demolition Wastes as a Natural Sand …
— The accumulation of construction and demolition (C&D) waste in landfills is deemed a worldwide concern which is exacerbated by the impact of rapid urbanization and increased construction activities. The massive amount of …
Sustainable construction practices with recycled and waste …
— The need to promote sustainability and reduce environmental effects has fueled a substantial increase in the use of recycled and waste materials in construction applications in recent years. Concerns about harmful environmental threats are heightened when output increases and waste generation rises. An economically viable solution to …
(PDF) Concrete Hollow Block Production Using …
— Different percentages (10%, 20%, 30%, 40%, and 50%) of PET shredded plastic waste from waste PET bottles as a volumetric replacement to natural coarse aggregate and 10% silica fume as a ...
Sustainable Sand Substitutes in the Construction Industry in …
— The United Nations has declared a global sand crisis, called for reduced sand consumption, and proposed solutions to address the crisis, including adopting sustainable substitutes for sand. The construction industry is a major consumer of sand, yet a recent study found a very low level of awareness by stakeholders of the crisis. The …
Systematic review on the use of waste foundry sand as a …
— Waste foundry sand (WFS) is a by-product of the metal casting process, which constitutes a sustainable solution as a replacement for natural sand (NS) in the …
Global trends and status in waste foundry sand …
— Waste foundry sand (WFS) is the by-product of the foundry industry, which is produced about 0.6 tons per 1 ton of foundry industry production. While it cannot be recycled or reused, it will be disposed of in landfills. Today, with increasing attention to environmental issues, the reuse and recycle of materials because of limited resources …
Sustainable approaches in concrete production: An in-depth …
This review critically evaluates the potential of Waste Foundry Sand (WFS) as a substitute for fine aggregate in concrete, conducting a comparative analysis of its physical and …
Waste foundry sand in concrete: A review
— Waste produced (WFS) from these foundries is approximately 1,710,000 tons (1.71 MT) per annum [5]. In an effort to use the waste foundry sand in large …
Circular Economy of Construction and Demolition Waste: A …
— 4. Construction Waste. Construction waste can be classified on various basis, either on the basis of its source or on its nature. When classified on the basis of its nature, the authors have categorized the waste as physical waste (residual debris) and non-physical waste (time overruns and cost overruns). Figure 5 examines the different …
Utilization of Waste Foundry Sand in the Production of …
The compressive strength of concrete from 0% to 15% replacement of sand by waste foundry sand is satisfactory. Replacement of natural sand with waste foundry sand showed increases in the split tensile strength and flexural strength up to the 15% replacement then after split tensile strength reduced.
Construction Waste and its Impact on the Environment
— This swift research article by the Iqbal Institute of Policy Studies discusses the impact of construction waste on the environment and how a sustainable model can be achieved for recycling and reuse.. Understanding Construction Waste. Waste production is a natural outcome of material consumption. However, poor handling of materials, …
Utilization of waste glass powder and waste glass sand in …
— Utilization of waste glass powder and waste glass sand in the production of Eco-Friendly concrete. Author links open overlay panel Abhijeet ... l Sun Kim, So Yeong Choi, Eun Ik Yang, Evaluation of durability of concrete substituted heavyweight waste glass as fine aggregate, Construction and Building Materials 184 (2018) 269–277 https://doi ...
A sustainable utilization of waste foundry sand in soil …
— More than three million tonnes of metal castings were manufactured in Brazil in 2008, and the country's waste foundry sand production has significantly increased in recent years resulting in increased need for new sanitary landfills; hence reusing waste foundry sand (WFS) becomes a crucial issue for the foundry industries and for the ...
Waste Foundry Sand in Concrete Production Instead of …
— Several researchers have investigated the suitability of WFS in concrete production instead of natural river sand in the last few decades to discover a way out of …
Sustainability of aggregates in construction
— This chapter describes the natural aggregate industry and methods to sustain aggregate resources. 9.2 Production of aggregate, 9.3 Substitutes and manufactured aggregates, 9.4 Extending aggregate availability through recycling, 9.5 Performance of aggregate in use, 9.6 Waste products from aggregate mining and processing describe …
Evaluating chemical properties and sustainable recycling of waste …
— 1 Department of Geography, Philipps-University Marburg, Marburg, Germany; Waste Foundry Sand (WFS) is a byproduct from metal casting processes, often contaminated with heavy metals, acids, and carbon residues. As disposal costs rise, there is growing interest in repurposing WFS as an alternative to traditional aggregates in …
Waste Foundry Sand in Concrete Production Instead of …
The by-product of the foundry industry is waste foundry sand (WFS). The use of WFS in building materials will safeguard the ecosystem and environmental assets while also …
Comparative Environmental Impacts of Recycled Concrete …
— About 7% of the world's energy is used to extract, handle and process raw resources (Beccali et al. 2010).The construction industry uses 40% of the natural resources extracted from the earth's crust and generates 35% of the solid waste globally (Rosado et al. 2017).Haphazard mining of the river sand and other natural aggregates poses a …
How Burning Construction Waste Helps Cement and …
— Modern processes are now able to transform non-recyclable waste, including construction and demolition (C&D) waste, into an alternative low-carbon fuel for cement …
Quantifying materials waste in the Egyptian construction industry…
— 1. Introduction. Construction and demolition waste (CDW) is a global challenge facing developed and developing countries. According to studies carried out by Yılmaz and Bakış [1] and Redling [2], CDW contributes up to 50% of the total annual generated solid waste (SW) globally.CDW has a severe negative impact on the triple …
Analysis of Wastage of Construction Materials in a Construction …
— Bossink et al. [] identified in their research work that the construction companies will benefit from reduced waste generation.Carlos et al. [] concluded in their research work that material waste has been recognized as a major problem in the construction industry.Beguma et al. [] recorded some waste minimization factors which …
Production of recycled sand from construction and …
— The results showed that the proposed method permitted the production of low-porosity sand from construction and demolition waste and may contributes to changing the construction recycling model.
Impact assessment of river sand resource shortage under …
— It is estimated that the total construction and demolition waste (C&D waste) generation was over 1.5 billion tons in 2017 (excluding construction spoil) and waste concrete accounted for 30% to 40% of the total C&D waste . Over 40% of recycling production from waste concrete is suitable to use as recycled sand in preparing concrete …
Multisolid waste collaborative production of aeolian sand …
— Aeolian sand (AS) was taken from the surface of the Shanghe coal mine in Yulin. The particle size of the AS was tested using a laser particle size meter (Rise-2006, Beijing, China), and the results are shown in Fig. 1.The particle size distribution of AS ranged from 0.412 to 493.6 µm, of which d 10 = 8.1 µm, d 50 = 514.5 µm, d 90 = 357.9 …