Utilization of soil stabilization with cement and copper. Effect of lime and cement on the strength improvement of. Enhancing the clay soil characteristics using copper slag stabilization, e. Copper slag was also mixed with local soil in the different proportion and various geotechnical properties were found. Recycling and environmental issues of metallurgical slags. Copper slag, expansive soils, mdd and omc, tri axial. However, few studies related to the soil stabilisation using natural pozzolana np, lime l or the combination of both were recorded for different applications in civil engineering. Senthil vadivel 3 1 professor and head, department of civil engineerin g. Chemical soil stabilisation has been practiced for a long time by adding different additives such as cement, lime and fly ash for improving their physicomechanical properties. The copper slag and lime waste are improved weak soil strength and safe bearing capacity of soil.
Deep soil deposits are stabilized by electrical methods, grouting, freezing etc. Ravi 2016 5 had studied about the characteristics of clay soil by using copper slag stabilization. For maximum improvement in strength, soil stabilization using 10% rha content with 6% cement is recommended as optimum amount for practical purposes. Utilization of copper slag as a reinforcing material sivapriya s. In this investigation, soil is partially replaced with copper slag at different percentages and optimum percentage. There are advantages and disadvantages to many of these soil stabilizers. In this study, as, pb, and cucontaminated soil was stabilized using calcined oyster shells cos and steel slag ss. The ascontaminated soil was obtained from a timber mill site where chromate copper arsenate cca was used as a preservative. Copper slag, expansive soils, mdd and omc, triaxial.
A study on the effect of copper slag on lime stabilized clay ijert. Stabilization of as, pb, and cucontaminated soil using. Copper slag is a byproduct obtained during matte smelting and refining of copper. Site condition can be enhanced through a number of insitu ground. This paper describes the microfabric and mineralogical aspects of the expansive soil of alkhod northern oman treated with cement bypass dust cbpd, copper slag, slag cement, and granulated blast furnace slag gbfs. Determination of the index, strength and cbr values of the black cotton soil copper slag and black cotton soil steel. The test results indicated that the inclusion of copper slag had a significant effect on the unconfined compressive strength ucs. Pdf experimental study on effects of stabilization of. Copper slag is a byproduct formed during the copper smelting process and use of waste materials in construction. The results showed that the swell pressure and swell percent of the treated soil had been reduced.
Mings and 3 others characterization and techniques for rapid evaluation of iowa fly ashes j. Strengthening of poor soil subgrade in highways using. Senthil vadivel 3 1 professor and head, department of civil engineerin g, velalar. Cbr value got increased, thus making it suitable to. Hence, construction activity is forced to take place in poor grounded soil. Introduction expansive soil is a term generally applied to any soil that has a potential for shrinking or swelling under changing moisture conditions. Soils can be stabilized by the addition of a small percentage of cement or copper slag. A study on the effect of copper slag on lime stabilized clay.
The tests performed on the mixed proportion of bc soils, copper slag and rice husk ash are vane shear, california bearing ratio cbr, atterberg limits, free swell index fsi, and compaction tests. However, the rate of increase of copper slag mixed soil is higher. Sep 28, 2016 soil stabilization soil stabilization is the process of improving the engineering properties of the soil and thus making it more stable. The result shows that 70% clay soil and 30% copper slag and ggbs is the. Aandavan 2 1final year student, department of civil engineering, saveetha school of engineering. Pdf this paper helps in identifying the utilization of industrial byproduct copper slag and ground granulated blast furnace slagggbs as a. The degree of stabilization required depends on the type and use of soil and importance of the structure may be used alone built on it. Copper slag, when mixed with locally available soil in a proportion of 30% cs and 70% soil, the plasticity index of the soil was reduced by 40% 24. Stabilization of moisture in soil and cementation of particles may be done by chemicals such as calcium chloride, sodium chloride etc. Notably, it is a referred, highly indexed, online international journal with high impact factor. Gudadappanavar assistant professor department of civil engineering presented by. Characterization and use of fly ash and copper slag. Schlorholtz attrition rates of soil cement subjected to water.
Utilization of soil stabilization with cement and copper slag as subgrade materials in road embankment construction. The geotechnical properties of a copper slag are presented. Utilization of soil stabilization with cement and copper slag as. Conclusions the following conclusions can be drawn from the above study. First, the engineering properties and chemical and mineralogical composition of the untreated soil were determined. Introduction weak soils, including soft clays, expansive soil, organic deposits, and loose sand, are often unsuitable for construction due to their poor engineering properties. Soil stabilization is also a technique to treat a soil to r equire care of, alter or improve the performance of soil. However, it causes severe environmental pollution due to the generated waste materials. In addition, the results showed that the rate of strength reduction of the treated clay soil is significant in the range of low percentages of steel slag content. Project report on copper slag in concrete today im going to be shared about project report on copper slag in concrete with advantages and disadvantages of copper slag in concrete so lets get started.
National institute of technology, surat, gujarat abstract. Decrease in plasticity index shows that the copper slag when mixed with soil and the. Midwest naturalpave was specifically created to take advantage of native soils. The marine clay soil copper slag is mixed on different proportions and a series of laboratory tests were conducted on samples containing various percentages of copper slag, i. Soil stabilisation using ground granulated blast furnace slag. To make the soil stable, stabilization of weak grounded soil is required. Soil stabilization with copper slag for an optimum mix of 30% proved to be more efficient reducing plasticity index by 40%.
Study on california bearing ratio of black cotton soil use waste copper slag tushal baraskar1 and s k ahirwar2 black cotton soil is one of the major regional soil deposits in india, covering an area of about 3. Soil stabilization is the alteration or preservation of one or more soil properties to improve the. These two soils were thoroughly mixed to represent as, pb, and. Reviewing the past, utilization of ironmaking slag has a long history.
The physical and chemical properties are presented in tables 1 and 2 respectively. Copper slag with fly ash and local soil available near delhi mixes were found to be nonplastic in nature 10. Subgrade soil stabilization is one of the primary and major processes in the construction of any highway. Recycling and environmental issues of metallurgical slags and salt fluxes. However, the use of copper slag fines in the area of soil stabilization has not been fully investigated and developed despite having similar chemical composition and mineralogy to that of portland cement. Microfabric and mineralogical studies on the stabilization. International journal of science and research ijsr is published as a monthly journal with 12 issues per year. Properties and effects of copper slag in concrete 46 properties and effects of copper slag in concrete m. The examples of the second type are stabilization with admixtures like cement, lime, bitumen, fly ash and chemicals. Slags can be broadly categorized as ferrous ironsteel and nonferrous copper, leadzinc depending on the industry from which they come. For soil slag samples tested for ucs at maximum dry density and optimum water content obtained from the compaction curve of soil slag, curve b in fig. In this paper, an attempt has been made to study the copper slag black cotton soil mix for use in subgrade improvement in pavements.
The technology of adding copper slag waste in soil stabilization leads to proper utilization of these waste and also solve the problem of mass disposal. Higher mdd and a lower omc were achieved for the same mix. Pdf enhancing the clay soil characteristics using copper. Soil is a naturally occurring material used for the construction of all except the surface layers of pavements i.
Black clay soil a soil in which there is a high content of expansive clay known as montmorillonite that forms deep cracks in drier seasons or years. Roughly bof slag, eaf slag and smp slag can be defined as steel slags. Soil stabilization techniques using sodium hydroxide additives. Effect of byproduct steel slag on the engineering properties of clay soils. Naturalpaves earthfriendly stabilization technology uses native soils rather than hauledin materials, eliminating the need to import costly base or aggregate materials to build a subbase for subsequent paving or chip sealing. Pdf improvement in soil properties of expansive soil by. Effects of ggbs on geotechnical properties of black cotton soil under the guidance of shri.
Behavior of black cotton soil with addition of copper slag. The authors tried to use both of them together in stabilization of bc soils. Chavhan india the biggest handicap is to provide a complete abstract stabilization of black cotton soil bc soil is studied by using lime and fly ash. Copper slag cs is one of the waste materials that are being used extensively in. Utilization of soil stabilization with cement and copper slag. In this paper, he tested the cbr and max density, omd relationship. The overall test results indicate that copper slag and cement is. This paper presents the utilization of industrial byproduct copper slag and blast furnace slag as a stabilizing. In this study, unconfined compression tests have been conducted to investigate the impacts of copper slag on mechanical characteristics for stabilized cement and unstabilized soil. The specific objectives of this study include, determination of the index and engineering properties of the soil samples. Soils by copper slag cs and rice husk ash rha were tried in the past separately. On the other hand, pb and cucontaminated soil was obtained from a firing range. The broken slag from ironmaking was already reuter, m.
Utilization of copper slag as a reinforcing material. Strength improvement of copper slag stabilized soil and copper slag stabilized soil with admixtures like cementlime iv. This research was done on the engineering behavior of clay when stabilized with copper slag. An experimental study of clayey soil stabilized by copper slag r c gupta 1, blessen skariah thomas1, prachi gupta2, lintu rajan and dayanand thagriya industrialization extremely demands to the uplift of nations economy. Effect of byproduct steel slag on the engineering properties. The global production of refined copper over the past. Pdf enhancing the clay soil characteristics using copper slag. Strengthening of poor soil subgrade in highways using copper. The combination of 90% clay and 10% of copper slag and lime waste to get good soil stabilization. Introduction a large number of executive plans such as construction of irrigation and drainage networks, roads, and earth dams might face the shortage of.
Other stabilization techniques include using onsite materials including subsoils, sands, mining waste, natural stone industry waste and crushed construction waste to provide stable, dust free local roads for complete dust control and soil stabilization. Pdf in situ stabilization of trace metals in a copper. In situ stabilization of trace metals in a coppercontaminated soil using pspiked linzdonawitz slag. Soil stabilization soil stabilization is the process of improving the engineering properties of the soil and thus making it more stable. Copper slag, or fayalite slag, is a byproduct obtained during the matte smelting, converting and refining of copper fig.
Variation of unsoaed cbr with percentage of slag from figures 5, it is observed that the unsoaked cbr for the both copper slag and blast furnace slag mix soil sample increases with the increase of percentage of slag. International journal of transportation engineering, 5, 1, 2017, 4558. Jones characterization of fly ash by xray analysis methods m. Pdf experimental study on effects of stabilization of clayey soil. Research paper study on california bearing ratio of black. Stabilization of black cotton soil with copper slag and rice husk ash an environmental approach. From the start of construction work, the need of enhancing soil properties has come back to the. Dozens of specimens were prepared at four percentages of cement i. May 15, 2015 in this study, as, pb, and cucontaminated soil was stabilized using calcined oyster shells cos and steel slag ss. This paper helps in identifying the utilization of industrial byproduct copper slag and ground granulated blast. Natural pozzolana used as a source of silica for improving.
Optimization of copper slag and fly ash for soil stabilization. The following tests were conducted on marine clay soil and copper slag mixes as per relevant is codes of practice. Limited studies have been reported for the combination of copper slag and rice husk ash in soil stabilization. Experimental study on effects of stabilization of clayey soil using copper slag and ggbs. Under this category, soil stabilization depends mainly on chemical reactions between stabilizer cementitious material and soilminerals pozzolanic materials to achieve the desired effect. Soil stabilization 51 chapter 5 soil stabilization this chapter presents criteria and tests for improving the structural quality and workability of soils used for base courses, subbase courses. Non ferrous slags make up only 12% of the total annual production described below are the main types and uses of slag commercially available in ferrous slag products. Although all the method is well versed for the soil stabilization but these all require money to spend. With increasing scarcity of river sand, soil and natural aggregates across the country, there is a need to replace soil and sand with alternate materials which are stable and economical. Abstractthis article presents a method of geopolymerizing black cotton soil bcs, a type of highly expansive soil, to ascertain its potential. Shear strength of cementlime stabilized copper slag 2 2 experimental study present study.
Stabilization of highly expansive black cotton soils by. Stabilization of marine clay by using copper slag ijert. Stabilization of black cotton soil with copper slag and. The more natural alternative is also the most costeffective. Stabilization of black cotton soil with copper slag and rice husk ash. This paper investigates the improvement in the properties of copper slag stabilized clayey soil with fly ash. Soil stabilization techniques using sodium hydroxide additives olaniyan, o. Introduction traditionally soil, stone aggregates, sand. Such stabilization processes enhance many of the engineering properties. Keywords copper slag, soil stabilization, utilization copper waste, different percentage analysis. Soil stabilization, copper slag, steel slog, ucs, compaction, cbr.
Stabilization of black cotton soil with copper slag and rice. He observed higher cbr values in 30% replacement of copper slag and this. Utilization of soil stabilization with cement and copper slag as subgrade materials international journal of transportation engineering, 46 vol. Research paper study on california bearing ratio of.
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