Study On Strength Characteristics Of NSC And HSC Using Used Foundry Sand As A Replacement For Fine Aggregate

Transcription

1 Research Paper Volume 2 Issue 8 April 215 International Journal of Informative & Futuristic Research Study On Strength Characteristics Of NSC And HSC Using Used Foundry Sand As A Replacement For Fine Aggregate Paper ID IJIFR/ V2/ E8/ 57 Page No Subject Area Civil Engineering Key Words Used Foundry Sand, Cost, Compressive Strength, Split Tensile Strength Vijay Kumar Y M 1 Thejas H K 2 Assistant Professor Department Of Civil Engineering Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka M.Tech. Student [Structural Engineering] Department Of Civil Engineering Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka Abstract To develop economical concrete by combination of various proportions of fine aggregate with used foundry sand and to decrease discarding and effluence problems due to used foundry sand. It is very much required to produce profitable construction materials from foundry sand. The inventive draw on of used foundry sand in concrete development as a fine aggregate substitution material was experienced as a substitute to conventional concrete. The fine aggregate has been replaced with used foundry sand consequently in the array of %, 1%, 2%, 3%, 4% & 5% by weight of fine aggregate for M-25 and M-6 grade concrete. Concrete mix were shaped, tested and compared in regard of workability and strength with the normal concrete. These tests were done to assess the harden properties for 7 and 28 days. Investigate work is alarmed with experimental investigation on potency of concrete and most favourable percentage of the partial replacement by replacing fine aggregate by 1%, 2%, 3%, 4% and 5% of used foundry sand. observance of all this view, the aspire of investigation is the performance of concrete while addition of waste with diverse proportions of used foundry sand in concrete by using tests like compression strength and split tensile strength. Copyright IJIFR

2 1. Introduction Foundries that are metal-casting factories which generate product called as used foundry sand. Metal foundries utilize huge amount of the metal casting course. Foundries productively reuse the sand several times in a foundry and the residual sand that is called as foundry sand is disinterested from foundry. Exercise of foundry sand in a variety of engineering application can resolve the difficulty of discarding of foundry sand and other purpose. Foundry sand contains mainly of silica sand which is coated with a skinny film of burnt carbon and dust. Foundry sand be able to be used in concrete to advance its strength and additional durability factors. Foundry Sand can be used as a fractional substitute of fine aggregates or whole replacement of fine aggregate and as additional to attain diverse properties of concrete. Power plays an significant role in developing countries like India. By earn of carbon credit by utilizing engineering waste used foundry sand for construction Materials such as fine aggregate, the energy & surroundings can be saved. Concrete is a compound building material serene of cement, aggregate, water, and admixtures. Concrete is finished by mixing: Cement, fine, coarse aggregates, water and admixtures. The aim is to mix these materials conventionally to create concrete that is easy to place, finish and to provide a strong and tough product. The balanced amount of each material affects the property of hardened concrete. This foundry sand consumes a huge percentage of confined landfill space for every year. Worse yet, a few of the wastes are land multiply on cropland as a discarding technique, increasing concerns about trace of contaminants rising in soil or running off into area lakes. Some factories burn the sludge in incinerators, causative to our sombre air pollution harms. To reduce discarding and pollution troubles emanating from this industrial waste, it is a large amount essential to expand profitable construction materials from them. Keeping this in vision, investigations be undertake to manufacture low cost concrete by combination of various ratios of fine aggregate with used foundry sand. 2. Experimental program The investigational system was established to evaluate the influence of UFS as fine aggregate on the fresh and hardened concrete behaviour. The workability, compressive strength and split tensile strength were evaluated and compared with control mixture. 2.1 Materials Foundry sand The Metal foundries utilize huge amount of the metal casting process. Foundries productively recycle and use again the sand numerous times in a foundry and the residual sand which is termed as foundry sand is detached from foundry. This research presents the sequence concerning the civil engineering uses of foundry sand, which is precisely sound and also environmentally in safe hands. Use of foundry sand in a variety of engineering application be able to resolve the difficulty of discarding of foundry sand and additional purposes. Foundry sand mainly consists of silica sand, thin film of burnt carbon, binder (bentonite, sea coal) and dust. Foundry sand can be utilized in concrete to increase its strength and other toughness factors. Foundry Sand can be worn as a partial substitute of cement or as a partial substitute of fine aggregates or total substitute of fine aggregate and as extra addition to attain diverse properties of concrete. 2597

3 2.1.2 Cement The nearly all ordinary cement used is an ordinary Portland cement. The Ordinary Portland Cement of 43 grade (Chattinad cement OPC) conforming to IS: is been used. Numerous tests were conduct on cement; some of them are setting time tests, consistency tests, soundness tests, etc Coarse Aggregate The fractions from 2 mm down size are used as coarse aggregate, conforming to IS: 383 is being used. The Elongation, Index Flakiness were maintained well below 15% Fine aggregate The fractions from 4.75 mm below are termed as fine aggregate. The river sand conforming to the requirements of IS: 383. The river sand is wash and screen, to get rid of harmful materials and over size particles Water Water is a vital ingredient of concrete as it in fact participates in the compound reaction with cement. Because it helps to from the strength giving cement gel, the quantity and quality of water is required to be maintained very carefully. 3 Design mix 3.1 Mix of M25 and M6 grade was designed as per Indian Standard method Table 3.1.1: Mix design for M25 grade concrete Sl no. Type of w/c C FA CA UFS Water concrete (Kg) (Kg) (Kg) (Kg) (Lit) 1 A A A A A A Sl no. Type of concrete w/c Table 3.1.2: Mix design for M6 grade concrete C (Kg) FA (Kg) CA (Kg) UFS (Kg) SP (%) Water (Lit) 1 B B B B B B

4 Slump (mm) Table 3.1.2: list of symbol and abbreviation Sl. no. Description 1 A M25 grade concrete with % foundry sand replacement 2 A1 M25 grade concrete with 1% foundry sand replacement 3 A2 M25 grade concrete with 2% foundry sand replacement 4 A3 M25 grade concrete with 3% foundry sand replacement 5 A4 M25 grade concrete with 4% foundry sand replacement 6 A5 M25 grade concrete with 5% foundry sand replacement 7 B M6 grade concrete with % foundry sand replacement 8 B1 M6 grade concrete with 1% foundry sand replacement 9 B2 M6 grade concrete with 2% foundry sand replacement 1 B3 M6 grade concrete with 3% foundry sand replacement 11 B4 M6 grade concrete with 4% foundry sand replacement 12 B5 M6 grade concrete with 5% foundry sand replacement 4 Experimental methodology Concrete containing used foundry sand as a partial replacement of fine aggregate is experimented. Concrete is composed of cement, coarse aggregate, fine aggregate, used foundry sand and water. The used foundry sand is replaced in the range of %, 2%, 3%, 4% and 5% by weight of fine aggregate 4.1 Fresh property test Table 4.1.1: Slump Check For M25 Grade Concrete Sl no. Slump(mm) 1 A 56 2 A A2 4 4 A A A A A1 A2 A3 A4 A5 Type of Concrete 2599

5 Slump (mm) Table 4.1.2: slump check for M6 grade concrete Sl no. Slump(mm) 1 B 22 2 B B2 2 4 B B B B B1 B2 B3 B4 B Harden property test Sl no. Table 4.2.1: Compressive strength for M25 grade concrete Average ultimate compressive strength at 7 days Average ultimate compressive strength at 28 days 1 A A A A A A

6 Compressive strenght (Mpa) Copmpessive strength (Mpa) A A1 A2 A3 A4 A5 7 Days 28 Days Sl no. Table 4.2.2: Compressive strength for M6 grade concrete Average ultimate compressive strength at 7 days Average ultimate compressive strength at 28 days 1 B B B B B B Days 28 Days 1 B B1 B2 B3 B4 B5 Types of concrete 261

7 Split tensile strength (Mpa) Sl no. Table 4.2.3: Split tensile strength for M25 grade concrete Average split tensile strength at 7 days Average split tensile strength at 28 days 1 A A A A A A Days 28 Days A A1 A2 A3 A4 A5 Sl no. Table 4.2.4: Split tensile strength for M6 grade concrete Average split tensile strength at 7 days Average split tensile strength at 28 days 1 B B B B B B

8 Cost/m 3 (Rs) Split tensile strength (Mpa) Days 2 28 Days 1 B B1 B2 B3 B4 B5 Type of Concrete Table 4.2.5: Rate analysis for M25 grade concrete Cost (Rs) A A1 A2 A3 A4 A5 263

9 Cost/m 3 (Rs) B B1 B2 B3 B4 B Cost (Rs) Table 4.2.6: Rate analysis for M6 grade concrete 5. Conclusion With respect to the above study the subsequent comments are made concerning the properties and behaviour of concrete on fractional replacement of fine aggregate by used foundry sand I. Workability of concrete containing used foundry sand goes on decreasing with incorporation of used foundry sand II. Compressive strength was increased with rise in percentage of used foundry sand and maximum compressive strength was obtained at 3% replacement of fine aggregate by used foundry sand. III. Split tensile strength reduced with boost in percentage of used foundry sand above 2% replacement IV. The problems of disposal and cost of land filling is reduced V. The result of cost change reduces up to 564Rs in M25 and 558Rs in M6 for 3% replacement of waste foundry sand. this shows that the concrete produced is economical References [1] Abichou T. Benson, C. Edil T., 1998a.Database on beneficial reuse of foundry by- products. Recycled materials in geotechnical applications, Geotech. Spec. Publ.No.79, C. Vipulanandan and D.Elton, eds., ASCE, Reston, Va., [2] Assistant Prof. Ankit.N. Patel, Assistant Prof.Jayeshkumar.Pitroda stone waste as a groundbreaking conception for the low cost concrete,issn No ,Vol IV, Issue IV, April 213, Pg no [3] Tarun R. Naik, Viral M. Patel, Dhaval M. Parikh, and Mathew P. Tharaniyil, Utilization Of Used Foundry Sand In Concrete, University Of Wisconsin Milwaukee [4] Tikalsky, J. Paul, Smith, Earl and Regan, W. Raymond, December Proportioning Spent Casting Sand In Controlled Low-Strength Materials. Aci Material Journal, V.95, No.6, Pp

10 Biographies Mr.Vijay Kumar Y M was born on 1984 in Mandya. Karnataka. He receives his Bachelor of Engineering degree in Civil Engineering from PES college of Engineering, Mandya, Karnataka in the year 26 and Masters degree in CAD Structures from PES college of Engineering, Mandya, Karnataka in the year 28. At present he is working as Assistant Professor in Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka. Mr. Thejas H K was born in 1991 in Mysore, Karnataka. He receives his Bachelor of Engineering degree in Civil Engineering from the Government Engineering College, Chamarajanagar, Karnataka from VTU in 213. At present he is Final year student of Master s degree in Structural Engineering from Adichunchanagiri Institute of technology. Chikmagalur, Karnataka under VTU. 265