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Title: Utilization of fungal treated waste foundry sand in concrete
Researcher: Kaur, Gurdeep
Guide(s): Rajor, Anita
Keywords: Engineering and Technology
Solid waste management
University: Thapar Institute of Engineering and Technology
Completed Date: 2013
Abstract: Solid waste management has become one of the global environmental issues, as there is continuous increase in industrial by-products and waste materials.Due to lack of land filling space and its ever increasing cost, utilization of waste material and by- newlineproducts has become an attractive alternative to disposal. The beneficial use of such by-products in construction materials results in reducing the cost of construction materials ingredients and also helps in reducing disposal problem. Waste foundry sand (WFS) is one of such industrial by-product which could be used in construction materials. The leachate obtained from such materials may contain newlinehazardous compounds, which may possibly effect the environment. Leaching characteristics are essential in understanding the environmental impact or toxicity, disposal and potential development of beneficial applications of WFS.This study aimed to present the utilization of fungal treated WFS in concrete. This experimental investigation was performed to evaluate the properties of M20 (31 N/mm2) Grade of concrete mixes, in which sand was partially replaced with waste foundry sand (WFS). Sand was replaced newline with four percentages of untreated and fungal treated WFS (0%, 10%, 15% and 20%). Fungal(Aspergillus niger and Eupenicillium crustaceum) inoculums (2%) were used for the treatment of WFS. Fungal treated WFS were utilized for the preparation of concrete. Concrete mixes were prepared with partial replacement of untreated WFS and fungal treated WFS.Compressive strength, water absorption and porosity were carried out to evaluate the properties of concrete containing untreated WFS and concrete containing fungal treated WFS at the age of 28 days.
Pagination: xxi, 144p.
Appears in Departments:Department of Biotechnology

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