Authors: Shubham Doiphode, Prof. Dr. J Dhanuskar, Dr. A. R. Deshmukh
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The Rapid increase in urbanisation and industrialisation lead to the construction of huge buildings and factories. So, the usage of concrete is also increased. The partial replacement of cement and fine and coarse aggregate that will fulfil the strength of the concrete without the native materials. Even the fine and coarse aggregates are becoming scarce due to this excessive usage. The usage of cement also affects the environment by the emission of carbon and heat this is due to the hydration process of cement. Crushed black stones are a primary waste product from Gold mines which also affects the environment. This waste is a combination of dust and stone chips from parent rock of the ore and the properties of the waste directly depends upon the composition of the parent rock. The waste that is generated from the goldmines does not withstand the vegetation and it will release the fine particles into the atmosphere causing air pollution. Hence, it is essential to find some innovative way to use this Gold Mine waste. This gold mine waste can be used in the construction industry as a substitute for the coarse aggregate in making concrete.
Gold mines Crushed Black stones are one of the primary waste products of mining operations of Hutti Goldmines Limited. They comprise of Stone chips and dust of the parent rock from which the ore is extracted. The characteristics of Gold mines Crushed Blackstone depend upon the composition of parent rock. The disposal of this material is a major environmental problem for the mining industry. Among the 960 million tons of solid waste generated annually in India, nearly 290 million tons are inorganic wastes of industrial and mining sectors. The gold mining industry at Hutti village in Raichur district of Karnataka is producing abundant quantity of tailings and Crushed Blackstone which is un-utilized for several years, for extraction of 1 gram of gold, 1 ton of waste material is generated; Annually Hutti goldmines limited is generating nearly 50 million tons of waste containing tailing and crushed Blackstone. There is no vegetation on dumps, which leads to release of fine particles into the atmosphere due to wind erosion. This causes air pollution in the area. The tailings and Crushed Blackstone have affected the landscape and topography of the area as well. Hence, it is essential to find some way to use the Gold mine wastes. actory on the basis of compressive strength and durability. This study is initiated to assess the suitability of Gold mines Crushed Blackstone as substitute for coarse aggregate in concrete. The evaluation was based on parameters such as physical properties of materials, workability, compressive strength, flexural strength and durability. A Hutti goldmine is in the nearby locality of Kalaburagi, black stone is available in large quantity. therefore to utilize this waste following objectives have been framed.
II. LITERATURE SURVEY
We are very thankful to the entire researchers who have done the excellent for drawing attention to the possible disposal of gold mine waste in concrete. This efforts will really helps in saving environment from gold mine waste.
1) The specific gravity for both locally available and GMW Coarse Aggregate are same but Variation in Fineness modulus and bulk density due to manual crushing of GMW coarse aggregate. The water absorption of GMW coarse aggregate is higher than local aggregate. 2) Coarse aggregate are stronger as compare to local coarse aggregate, this evident from the results of crushing value of both the aggregate. 3) The workability of local and GMW coarse aggregate is nearly same in terms of slump. 4) For M20 and M40 grade concrete, the compressive strength of both control and GMW concrete has exceeded the target mean strength. The compressive strength of GMW concrete is higher than the control concrete. The relation between 7 and 28 compressive strength is agreement with the various researchers. 5) For M20 and M40 grade concrete, the flexural strength of both control and GMW concrete has exceeded the theoretical value of flexural strength. The flexural strength of GMW concrete is higher than the control concrete. The relation between flexural and compressive strength at 28 days is agreement with the various researchers. 6) From permeability tests results for M20 and M40 grade concrete, the depth of penetration of GMW concrete is higher as compare to control concrete, this may be due to high water absorption of GMW coarse aggregate. 7) Concrete using Goldmines waste coarse aggregate is resistant to chloride attack after immersion for a period of 28 days.
 Kubra KUNT, Miral yildirim et al. “Utilization of Bergama gold tailings as an additive in the mortar” An international journal Vol.11, Issue 3, p 365-371.  Lilies Widojoko, Harianto Hardjasaputraand Susilowati “utilization of gold mine tailings as fine aggregates materials for producing mortar” An international journal. ISSN 2301-6590.  Yatin H Patel, P.J.Patel et al. “study on durability of high performance concrete with alccofine and fly ash” International Journal of Advanced Engineering Research and Studies E-ISSN2249–8974.  IS 10262-2009, recommended guidelines for concrete mix design, Bureau of Indian Standards, New Delhi, India.  IS 519-1959, Indian standard code of practice methods of test for strength of concrete, Bureau of Indian Standards, New Delhi, India.  B.M. Ramalinga Reddy et al. “Use of Goldmine tailings in production of concrete-A Feasibility study”: An international journal. Vol.09 ISSN 0974-5904 p.p.197-202, 2016.  N. Parthasarathi and K.S. Satyanarayanan et al. “Effect on workability of concrete due to partially replacement of natural sand with goldmine tailings” An Indian journal of science and technology, Vol.09(35) ISSN No.0974-5645, (2016).  Renato GuiaoGopaz “Utilizing copper and gold mine tailings as substitute construction material in Roller compacted concrete” An open access library journal, 2015.  IS 1489-1991, Specifications for 53-Grade Portland Pozzolana cement, Bureau of Indian Standards, New Delhi, India.  IS 383-1970, Specifications for coarse and fine aggregates from natural sources for concrete, Bureau of Indian Standards, New Delhi, India.  DIN 1048 part 5, German standard for determination of permeability of concrete.  Effect on Workability of Concrete due to Partial Replacement of Natural Sand with Gold Mine Tailings- N. Parthasarathi, B. R. Reddy, K. S. Satyanarayanan Materials Science 2016.  Preparation of concrete using Goldmines Waste- M. M. Khan, S. Patil, Materials Science Engineering, 2017.  Guiao Gopaz “Utilizing copper and gold mine tailings as substitute construction material in Roller compacted concrete. An open access library journal,2015.  Utilization of Bergama Gold Tailings as an Additive in the Mortar- K. Kunt, M. Yildirim, Fatma Dur, E. Derun, S. Piskin, Materials Science 2015.  Utilization of gold mine tailings as fine aggregates materials for producing an international journal.  IS 10262-2009, recommended guidelines for concrete mix design, Bureau of Indian Standards.  Kumar Mehta P Concrete – Structure Properties and Materials, Prentice Hall- Inc Engel wood Cliffs, New Jersey- 1985.
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