Then the shredded electronic plastic waste was mixed into fresh concrete and then the effect of shredded electronic plastic waste on the strength properties of concrete was studied. It is widely recognized that proportioning and mixing of the constituents of concrete such as cement, sand and coarse aggregates and water are important steps in concrete making process. Jan 01, 2020 reusing the e waste plastics to replace the coarse aggregates partially 10% and 20% is possible and the best alternative for the conventional concrete. Companies can face fines and litigation with settlements for. Concrete is a mixture of cement, water and aggregates. It is coherent that e waste can be biased by using them as constructional material. The e waste material is calculated on weight basis as coarse aggregate in the conventional mix. Utilization of ewaste in high strength cement concrete. Concrete, e waste, fly ash, aggregate, compressive strength, workability i. The optimum strength was obtained at 15% replacement of coarse aggregates by e waste.
Polychlorinated biphenyl pcb, a powder derived from the waste. The compressive strength and split tensile strength of concrete pertaining to e waste aggregate is slightly lesser in comparison with control mix concrete sample. Nov 08, 2020 use of electronic waste in concrete is one of the effective ways of disposing e waste, which otherwise would be lying in landfills creating the environmental issues. Concrete with or without electronic waste as aggregate had observed which exhibits a good strength gain. E waste is one of the fastest growing waste streams in the world.
It has been decided to make three different types of conventional specimens with partial replacement of e waste on a percentage of 10%, 20%, and 30% to coarse aggregate with water cement ratio of. Several experiments of the use of alum sludge in various industrial and commercial manufacturing processes have been reported. Abstract electronic waste is an emerging issue posing serious pollution problems to the human and the environment. An experimental study on concrete by using e waste as. Aug 26, 2014 this paper presents an experimental investigation on structural concrete with partial replacement of coarse aggregate using electronic plastic waste e plastic. The maximum size of the coarse aggregate that may be used in cement concrete is 20mm size aggregates. Nadhim s, navya sp, pranay gk 2016 a comparative study of concrete containing e plastic waste and fly ash concrete with conventional concrete. Concrete blend with ewaste plastic for sustainable future. It is found that the use of electronic waste aggregates results in the formation of light weight concrete.
Utilization of ewaste materials and by products in concrete as replacement of sand is partial solution to. The rapid growth of technology, upgradation of technical innovations and a high rate of obsolescence in the electronics industry have led to one of the fastest growing waste streams. Tests were conducted after 7, 14, 28 days of curing. The divided particle size is assumed to be between 10mm and 20mm. Aggregates are the important component gives body to the concrete, reduce shrinkage and greater.
Electronic waste is an emerging issue posing serious pollution problems to the human and the environment. Study on replacement of coarse aggregate by ewaste in concrete. E waste is added in the concrete at the different percentages of 0%, 5%, 10%, and 15%. Workability test result of e waste concrete line chart graph 2. E waste glass concrete and comparing the same with conventional concrete. Pdf in this exploration study the investigation of an electronic waste material that we will utilize by beyond any doubt procedure and use in. As a basic manual for e waste trainers, this publication assembles compact information about e waste. In developed countries, previously it was about 1%. The most effective way of the disposal of ewaste is through landfill and this method require large land mass which is very difficult to find in these. Keywords concrete, recycling, electronic waste,utilization.
Concrete mixes with different percentages of e waste were casted. The most effective way of the disposal of e waste is through landfill and this method require large land mass which is very difficult to find in these. United nations systemwide response to tackling ewaste. These include tests on wet concrete and hardened concrete.
An overview of electronic waste as aggregate in concrete zenodo. Slump cone test was conducted on fresh concrete with varying percentage of e plastic to know the workability of concrete as the amount of e plastic waste increases. Electronic waste or e waste is the discarded electrical or electronic devices. The disposal of which is becoming a challenging problem. Hence, the recycling and reusing of ewaste in the concrete industry is considered.
E waste is the material for replacement of coarse aggregate. Partial replacement of eplastic waste as coarseaggregate. Pollution due to electronic waste e waste is a serious and growing concern. E waste can be dispose in concrete as a coarse aggregate. Electronic waste or ewaste describes discarded electrical or electronic devices. E waste granules can be used partial replacement to coarse aggregates 2. Waste materials from other industries are being utilised in concrete productions such as fly ash, silica fume etc. Introduction the word e waste means substances which have e waste, and accordingly, anything that is formed in a soft state and used in a solid state can be called an e waste. Compressive strength concrete with and without e waste material as a fine aggregate was observed. Electronic plastic can be effectively used in concrete.
Waste plastics and e waste electronic waste both by domestic and industrial. The e plastic waste insulation wires is shredded into fibers of specific size and shape. In this research article coarse aggregate is partially replaced by e waste from 0% to 30% then in these mix 10%, 20% and 30% of fly ash is also added by partial replacement of. The following paper deals with the grinding, rubbing and mixing technique to use e waste and plastic waste in concrete. Compressive strength concrete with and without e waste plastic as aggregates. For solving the disposal of large amount of e waste material, reuse of ewaste in concrete industry is. Pdf study on replacement of coarse aggregate by ewaste in. From this study it was concluded that the dry density of the control concrete decreased with the increase in the. Utilization of e waste materials and by products in concrete as replacement of sand is partial solution to. The electronic plastic waste was shredded into small pieces that resembled the size of gravel. The percentage of e waste replacement is 5%, 10%, 15% 20% of the fine aggregate. Partial replacement of eplastic waste as coarseaggregate in.
Participants at the summit will include important government bodies, research institutes, international waste management experts, health, safety experts, environmental consultants and recycling firms to name a few. Use of electronic waste in concrete is one of the effective ways of disposing e waste, which otherwise would be lying in landfills creating the environmental issues. Pdf use of electronic waste concrete for road construction. Pathan2 1, 2assistant professor, civil engineering department, smsmpitr akluj, india abstract. Behavior of selfcompacting concrete using different. E waste exposure is a complex process because there are many routes and sources, different exposure time periods, and possible inhibitory, synergistic, or additive effects of chemicals grant et al. Tensile strength of concrete with e waste and pond ash tensile strength of the tested concrete cylinder specimens with e waste and pond ash are shown in fig. This paper presents an overview on possible use of e waste in concrete by the different researchers. A study of strength of concrete by using ewaste material. E waste from electrical and electronic equipment, that may be old or might have reached end of life and plastic waste from plastic mineral and cold drink bottles were collected and grinded to size of 2 mm using pulverizing. Slump cone test result of e waste concrete graph 1. Workability of fly ash with electronic waste concrete is even more than conventional and electronic waste concrete.
The major concern in terms of management of e waste is, more than 90% of the available e waste continued to be recycled in the informal sector, in the bylanes of cities and towns. While this type of collection is highly convenient to consumers, it also leads to a situation in which most e waste is. Locally available nearly riverbed sand is used as fine aggregate. With the implementation of the enterprisewide energy saving solution, the carbon footprint has been reduced by more than 40% and led to zero e waste.
Alum sludge is a waste material generated from treatment plants that use aluminum as a coagulant still uses it in specific types of concrete without selfcompacting concrete. While the overall waste management strategies in the country are highly regarded by experts, this document suggests that south africa faces a number of key challenges in dealing with e waste and that its e waste. E wastes are considered dangerous, as certain components of some electronic products. Study on properties of concrete with electronic waste iaeme.
They have concluded that upto 20% of replacement of e waste gave improvement in compression and tensile strength and identified that e waste can be disposed. Waste management and the role of waste administrators in selangor, malaysia s. Utilization of electronic waste plastic in concrete international. River sand was used as coarse aggregate as per is 3831970 for e waste and conventional concrete. The workability, compression, split tension and flexure strength tests were carried out. Concrete is a building material used worldwide and consumes large amounts of raw materials. The waste materials from electronics and electrical. Strength properties of concrete incorporating ewaste and. Hence it can be consumed as a light weight concrete. Introduction concrete is the most commonly used construction material and nearly every type of infrastructure as well as houses and buildings. Pdf utilization of ewaste in concrete and its environmental. In this research article coarse aggregate is partially replaced. For solving the disposal of large amount of e waste material, reuse of e waste in concrete industry is considered as the most feasible application.
Today, e waste collection and recycling in ghana is widely carriedout by informal players. Experimental investigations on concrete with eplastic waste. Used electronic devices which cannot be reused, recycled, resale and disposal. This paper reports the ductile behaviour of the concrete with e waste as a partial replacement of fine aggregate due to its compatibility. Effect on flexural strength and durability of concrete can be studied. In view of utilizing the nondegradable waste in the construction industry, the e plastic from computer plastics was considered as coarse aggregate. When fly ash content added to electronic waste concrete, it has been observed that workability increased. Therefore, the origin of e waste forming can be traced back. Waste management and the role of waste administrators in. Pathan recycling of demolished concrete and e waste international journal of science and research ijsr volume 4. Secondhand electronics which are destined for recover, resale, salvage, recycling, or disposal are also considered ewaste.
Pdf electronic waste or ewaste defines rejected electrical or electronic devices. Iftekar gull et al 9 seeks to optimize the benefits of using e plastic waste in the fiber form in concrete. Then the shredded electronic plastic waste was mixed into fresh concrete and then the effect of shredded electronic plastic waste on the strength properties of concrete. Once electronics are discarded in a landfill, the acidic conditions provide an environment in which lead and other heavy metals may leak out. Management group on tackling e waste in the following areas. E waste accounts for 40 percent of the lead and 75 percent of the heavy metals found in landfills iowa, dnr. An experimental study on partial replacement for coarse. A set of interrelated and mutually supportive strategies are proposed to support the concrete implementation of the activities is described below. At appropriate ages, three specimens exposed to various curing conditions were tested in accordance with is. Recycle of ewaste in concrete international journal of science. Recycling of eplastic waste as a construction material in. Partial replacement of e waste with coarse aggregate in.
Review of ewaste material used in making of concrete. The major concern in terms of management of e waste is, more than 90% of the available e waste continued to be recycled in the informal sector, in the bylanes of. Waste plastics and ewaste electronic waste both by domestic and industrial. E waste concrete e waste slumpmm 0% 26 5% 30 10% 37 15% 46 20% 60 25% 69 table 7.
Smallscale collectors move from house to house and offer cash money for e waste such as waste tvs, fridges and air conditioners. Secondhand electronics which are destined for recover. Experimental study on effective utilization of ewaste in concrete. Electronic waste or e waste describes discarded electrical or electronic devices. Concrete is the most widely used construction material all over the world in view of its compressive strength, high mouldabilty, structural stability and economic considerations. E waste is main important material used in this project. Increased use of electronic waste in developing countries including our country may cause serious health and pollution problems. The concrete structure is cheaper than steel structures.
Review of literature on electronic waste materials used in. Recycling of e plastic is a partial solution to environmental and ecological problems. Federal and state regulators are taking an increasingly stringent look at e waste disposal. Coarse aggregate was replaced with different percentages 10, 20, 30, 40 and 50 % of. E wastes are considered dangerous, as certain components of some electronic products contain materials that are hazardous, depending on their condition and density. While the overall waste management strategies in the country are highly regarded by experts, this document suggests that south africa faces a number of key challenges in dealing with e waste and that its e waste readi. E waste is a popular, informal name for electronic products nearing the end of their useful life. Compressive strength, tensile strength and flexural strength concrete with and without e waste plastic as aggregates was observed which exhibits a good.
The yield of concrete reduces when e waste is used as a replacement material for sand. Quality control measures are expected to keep a check on the quality of concrete being produced. Recycling of e plastic not only helps in reducing in cost of cement concrete but also has numerous indirect benefits like. By comparing the results with conventional concrete at 28 days strength it is observed that the strength of concrete is reduced by 30. The fineness modulus of coarse aggregate with various e waste contents is observed as 6. Exposure variability may come from the type and quantity of e waste, length of processing history at. Concrete is well known heterogeneous mix of cement, water and aggregates. Ultrasonic tests on strength properties had also executed. They have also studies about experimental study is made on the utilization of electronic waste particles as coarse aggregates in concrete with a percentage replacement ranging from 0% to 30% on the strength criteria of m20 concrete. Compressive strength of electronic waste concrete decreases with increase in the percentage of e waste. The e waste like nonmetals part of pcbs can be recovered and can be use as a ingredient in concrete. Workability test result of e waste concrete bar chart c.
With variation in small percentage range of e waste plastic granules, it is effect on concrete strength can be studied. Then e waste particles can be considered as partial coarse aggregates. The 15% replacement of aggregates gives the optimum results for compressive strength test. Pdf electronic waste or e waste defines rejected electrical or electronic devices. Keywordsdisposal, electronic waste, landfill, toxic chemicals. Study on replacement of coarse aggregate by ewaste in. Other environmental activities such as recycling, buying of environmentfriendly goods, among others, are also implemented. Three casted to cylinders were determine splitting tensile strength of e plastic waste. Flexural behaviour of double layered e waste concrete beams. So we can partial replace the material to achieve desire concrete in terms of their properties. In the recent decades, the efforts have been made to use electronic waste from various sources in concrete for the replacement of cement, fine and coarse. Used electronics which are destined for reuse, resale, salvage, recycling or.
1745 691 887 52 1469 173 1094 517 885 1408 1430 1304 1426 183 600 1592 997 457 313 203 254 1669 447 1046 900 785 205 1569 1394 1563 134 1007 625 685 1654 804