[7], This paper reports the experimental results of using two chemical additives to enhance the properties of marine clay collected from Vypin, Cochin area. Bulk utilization of steel slag is the, Steel slag is a by-product of the steel industry and can Variation of Free Swell Index (FSI) with Steel Slag content, . Source: the present study. Plasticity characteristics are remarkably modified in the lime-amended clay compared to nano-silica additive. Variation of Optimum Moisture Content (OMC) with Steel Slag content. This paper presents an experimental study in stabilization of expansive soil using Steel Slag (SS). Influence of steel slag on liquid and plastic limits of the soil. The overall program was conducted in 2 phases. At 30% steel slag, the reduction in plasticity index is about 75 %. The reason for this trend could be attributed to the capillary effect, Experimental study of steel slag used as aggregate in asphalt mixture [3] I. I. AkinwumiUtilization of steel slag for stabilization of a lateritic soil, M. M. E. Zumrawi and F. O. In this paper, an attempt has been made to utilize the steel slag in improving the geotechnical strength characteristics of soft clayey soil. Steel slag is a byproduct from either the conversion of iron to steel in a basic oxygen furnace, or the melting of scrap to make steel in an electric arc furnace. Retrieved from prepared and placed in the compression test, test continued until failure or 20% axial strain reached. UTILIZATION OF STEEL SLAG FOR STABILIZATION OF A LATERITIC SOIL A lateritic soil classified as sandy clay or (CL) and A-7-6 (5) according to Unified Soil This study evaluates the use of Steel Slag Aggregates (SSA) as substitute for natural aggregates in the production of hot mix asphalt (HMA) for road construction. BOF slag and soil or BOF and Class-C fly ash could be explored in the context of embankment construction projects. Experimental Investigation on Expansive Soil Stabilization by Using Steel Slag 75 e) Comparison of CBR values for different replacement percentages of Steel slag in cotton soil. Soil Stabilization Study by using Steel Slag Select Research Area Engineering Pharmacy Management Biological Science Other Scientific Research Area Humanities and the Arts Chemistry Physics Medicine Mathemetics Economics Computer Science Home Science Select Subject Select Volume Volume-5 Volume-4 Volume-3 Special Issue Volume-2 Volume-1 Select Issue Millions of tonnes of steel slag are generated in each year throughout the world. Keywords: steel furnace slag; electric arc furnace slag; basic oxygen furnace slag; ladle metallurgy furnace slag; argon oxygen decarburization slag; concrete. International Research Journal of Engineering and Technology. The unconfined compressive strength of soil stabilized with 5% CaCl 2 increased approximately by 50% as compared to virgin soil. Implementation projects can help facilitate the use of steel slag in routine projects by INDOT engineers. Stabilization of contaminated soil was reported using various stabilizers. Particle size distribution of natural soil and with 10% steel slag con-tent After a series of specific gravity tests, the average specific gravities of the soil and steel slag samples were determined to be 2.65 and 3.58, respectively. Khuzestan steel plant makes enormous amount of steel furnace slag as waste product and is available for any use. The experiments results revealed that the addition of SSA has significant improvement on the properties of HMA. STABILIZATION OF SOILS WITH STEEL SLAG AND CEMENT FOR APPLICATION IN RURAL AND LOW TRAFFIC ROADS. experiment results revealed that the addition of SSA has a significant 5) Publication Date : 2019-15-8 Various percentages of pulverized steel slag were ap-plied to a soil, having poor engineering properties, with the aim of improving the engineering properties of the soil. to improve load bearing capacity of soil. Ground steel slag has been used in several different cementing systems. 2. A suite of tests is proposed to better assess a given SFS stock for potential use in bound applications; at a minimum, the SFS should be evaluated for free CaO content, expansion potential, mineralogical composition, cementitious composite mechanical properties, and chemical composition with secondary tests, including cementitious composite durability properties, microstructural characterization, and free MgO content. Journal of King Saud University-Engineering Sciences (2017) 29, 394-399 [8] Saurabh Kumar, Ved Parkash, Vishal Kumar, “Stabilization of Clayey Soil using Steel Slag”, International Journal for Research in Technological View at Google Scholar Soil stabilization can be accomplished by several methods. It can be concluded that CaCl 2 had shown promising influence on the strength and swelling properties of expansive soil, thereby giving an advantage in improving problematic expansive soil. Steel slag is a by-product of the steel industry and can be used potentially as aggregate in asphalt mixture. The uses of byproducts such as blastfurnace slag and steel slag [electric arc furnace slag and basic oxygen steel (BOS) slag, and ground granulated blastfurnace slag] have long been established in a number of applications in the civil engineering industry. It is generated as a residue during the production of steel. CBR Penetration resistance had varied randomly with increase in Steel Slag content in clay soil . even not suitable for soils containing sulphates. The Deep Mixing Method (DMM), a deep in-situ soil stabilization technique using cement and/or lime as a stabilizing agent, was developed in Japan and in the Nordic countries independently in 1970s. Chaubey S, Ali Jawaid SM (2016) Soil stabilization using steel slag. Significant change in MDD and OMC are observed with addition of steel slag to the expansive, . ... (vi) Class F fly ash contains low calcium and thus requires an activator in order to be used as the stabilizer material. The geotechnical properties, shearing strength characteristics, and dynamic properties of stabilized soil have been studied. observed in specimens prepared with 100% SSA. In this paper, an attempt has been made to utilize the steel slag in improving the geotechnical strength characteristics of soft clayey soil. In this comparative study laboratory tests such as Atterberg’s limit, Compaction test and CBR test were carried out for both modified and unmodified clayey soil. The fine-grained soils of Arvand free zone in the south west of Iran contains more than 95% fine grained particles. Steel slag consists essentially of calcium silicates, sulfur; iron; manganese; alkalis and trace amount of several others, The physical properties of steel slag according to. However, note that the soil is mostly acidic in Japan, and even when alkali contents are leached from slag, they will be absorbed in soil and neutralized as far as the Based on intensive laboratory testing program, the characteristic properties of SSA were assessed to determine its suitability to be used in HMA. Expansive soil exhibits significant volume change. All these methods fall into two broad categories (FM 5-410) namely; - mechanical stabilization Under this category, soil stabilization achieved through physical process can be by altering the physical nature of native soil … Based on these performance tests, optimum amount of GBS with fly ash was determined as 3% fly ash + 6% GBS. and 100%) of SSA were used, and the proposed mix designs for Compaction and direct shear strength tests had been conducted on the artificial contaminated prepared soil samples. Celik and Nalbantoglu [ 27 ] studied the effect of ground granulated blast furnace slag (GGBS) on the control of swell associated with lime stabilized sulphate bearing soil. This soil was classified as CI-MI as per Indian Standard Classification system (ISCS). Stabilization is a method of using the available waste materials for the production of low-cost roads construction. The plasticity and the uncured strength of the soil were re-duced and increased, respectively, by the addition of an optimal steel slag content of 8%. reviewing 183 published research articles. The optimum mix is found to be in the proportion of 65 C … Two percentages of slag were utilized in this study, which is 0% and 6%. After blending Laboratory testing was conducted to assess the feasibility of using lateritic soil mixed with up to 15% blast furnace slag (BFS) by dry weight of soil as a suitable hydraulic barrier. [Type text] Page 2 CERTIFICATE This is to certify that the thesis entitled, “Stabilization of Red Soil Using Blast Furnace slag ” submitted by Bagasingi Rajalaxmi in partial fulfilment of the requirement for the award of Bachelor of Technology degree in Civil Engineering at the National Institute of Technology Rourkela is an authentic work carried out by her under my supervision and guidance. The soaked CBR tests indicated that adding 20% slag and 4% lime provide a CBR more than 30%. Sciences and Research Technology Experimental. International Journal of Risk Assessment a. Optimum lime content for lime stabilized clay was obtained as 4% and nano-silica as 0.8%. Moreover, plasticity index reduces by 75% with the addition of 30% Steel Slag. An increase in density and Results and Discussion ...................................................................................................................................................................... 5. Soil stabilization is an area where bulk utilization of steel slag is possible. However, the use of ground BOS 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. 3, 6, and 9% with different amount of fly ash i.e 3%, 6%, 9% and 12% were used to stabilize the soft soil. Modifications in properties of marine clay by lime are investigated to compare the nano-silica particles’ effect in mechanical properties of clay. The dry soil mixed with each percent of steel slag then subjected to testing. . of Birmingham, Edgbaston, Birmingham B15 2TT, U.K. Senior Lecturer, School of Engineering, Univ. Student, Civil Engineering Department, University of Khartoum. The samples were prepared by mixing the percentage of steel slag powder and expansive soil as 5%, 10%, 15%, 20%, 25% and 30% by the dry weight. Expansive soil, Improving, Steel slag, Strength, Swelling. stability and a reduction in flow and air voids values were clearly This paper provides experimental insights on the modification of a soil using electric arc furnace (EAF) steel slag, which is lim-itedly used as a construction material because of its volumetric instability. Fly ash and Steel slag are blended with unmodified soil in varying percentages to obtain the optimum percentage of admixture required for the soil stabilization. [3] Green, C. Avent, R. D. Bigham, M. Connolly, B. Lee, T. O. Shepker, The structural foundations and roads constructed on such soils may undergo large uplift forces. This review seeks to collate the findings from the literature to express the variability in material properties and to attempt to explain the source(s) of the variability. Soil + 10% Steel slag content Fig. At the moment, most steel slag is being used as unbound aggregate for ashphalt concrete pavement in many countries. View at Google Scholar | View at Publisher of Birmingham, Edgbaston, Birmingham B15 2TT, U.K. (corresponding author). Effect of by-product steel slag on the engineering properties of clay soils”. It is concluded that the use of steel slag to enhance properties of expansive soil is successful and beneficial. Various techniques are available like soil stabilization, providing reinforcement etc. Unconfined compressive strength improvement shows similar variations for both nano-silica and lime. Sieve anal-ysis, consistency limits, specific gravity, compaction, California bearing ratio (CBR), unconfined compression and permeability tests were performed on the soil and each of the soil-slag mix-tures. Four different percentages (0, 50, 75 and 100%) of SSA were used, and the proposed mix designs for HMA were conducted in accordance with Marshall mix design. The present work describes a study carried out to check the improvements in the properties of Clayey soil with the addition of Fly ash and Steel slag. Generally, CBR and UCS increased up to 8% steel slag treatment of the soil. Based on laboratory test results, an 8 % optimal stabilization of the A-7-6 soil with steel slag satisfactorily meets the Federal Republic of Nigerian General Specifications (Roads and Bridges) requirement for subgrade materials. After curing the mixed soil, the change in soil characteristics were tested through Atterberg limits, compaction, unconfined compressive strength (UCS) and CBR tests. However, the short and long term environmental impact of using steel slags in geotechnical applications should be Source: the present study, All figure content in this area was uploaded by Magdi Zumrawi, All content in this area was uploaded by Magdi Zumrawi on Jun 26, 2017, index, compaction parameters and unconfined compressive strength. These soils cannot be considered as a proper material for earth works due to problems caused by clay soils such as high expansive, volumetric shrinkage, high settlement under loading and high moisture absorption. Clayey soils are poor in strength and they will result in poor pavement support and ultimately affects the pavement performance and its life period. Literature Review ............................................................................................................................................................................... 4. This study profiles the major and minor constituents of slag from each furnace type and reports the leachability of metals from slag under neutral and acidic conditions. UCS tests were performed at 0, 7, 14 and 28 days of curing. Particle size distributions and partitioning coefficients (Kd) are also reported. Lime to soil ratios of 3, 4 and 5% were used. This study received no specific financial support. 230-236, 2004. and stabilized with industrial waste steel slag Powder. Wajid Ali Butt. Nano-silica used for the study varied from 0.5, 0.8 and 1%. 2is work will help geotechnical engineers to opt for suitable CSM in the field From this figure, it can be observed that as the percentage of Steel Slag increased from 0 to 30%, there, . Soil Stabilization Study by using Steel Slag Item Preview remove-circle Share or Embed This Item. Soil stabilization is an area where bulk utilization of steel slag is possible. The unconfined compressive strength was determined at, performed to evaluate the effect of steel slag on the engineering properties of the soil. to improve the strength characteristics of expansive soil. Expansive soils always have disadvantage of sudden volume change. These data provide insights that may be useful for evaluating the marketability of steel industry slag and for human and ecological health risk assessment of environmental applications. Atterberg limits variation and unconfined compressive strength variation were evaluated for the curing period of 3, 7, 14 and 28 days. In general, the results show that the steel slag can effectively be used to improve the engineering properties of clay with awareness to the percentages that should be used. Global J Res Anal 5(1) Google Scholar Chenna K (2014–15) Potential infrastructural growth in India by 2025 vis-a-vis utilizations of waste—a sustainable material. Soil Stabilization Using Basic Oxygen Steel Slag Fines. Approximately 21 million tons of steel industry slag are produced each year in the United States, and many productive commercial uses of slag have been developed (e.g., road bed, fill material). This mixture is suitable from technical and economical views and is recommended for soil treatment of the study area and using in earth works, such road construction. For this purpose, soil was mixed with 10, 20 and 30% slag and 2, 4 and 6% hydrated lime. 9, pp. All rights reserved. The basic engineering properties of the soil were determined and presented in. effect of CaCl 2 additive with various percentages 0%, 2%, 5%, 10% and 15% for improving expansive soil. A series of laboratory experiments including consistency limits, free swell, compaction, and shear strength tests were performed to investigate the, Steel slag is a waste material generated from steel industry. natural aggregates in the production of hot mix asphalt (HMA) for Soil Stabilisation Using Ground Granulated Blast Furnace Slag A soft soil has significant problems, most of all poor shear strengths and high compressibility. The uses of byproducts such as blastfurnace slag and steel slag [electric arc furnace slag and basic oxygen steel (BOS) slag, and ground granulated blastfurnace slag] have long been established in a number of … waste material may be introduced in the soil to modify the soil or reduce its swelling potential. and M. A. Zak, "Physical and chemical characteristics of blast furnace," Basic Oxygen Furnace and Electric Arc Furnace Steel Industry Lime is injected to act as a fluxing agent. stabilization techniques are widely used for improving expansive soil properties. three decades from 1990 to 2019, a mechanistic literature of expansive soil stabilization by incorporating CSMs is presented by To enhance general understanding of the physical and chemical characteristics of this material, slag samples from 58 active mills with blast furnaces, basic oxygen furnaces, and/or electric arc furnaces were examined. The cation exchange between the soil and steel slag was identified as the major factor that controlled the engineering properties of modified soils, reduced the diffusion layer, and led to the agglomeration of clay-size particles in the soil-slag mixtures (Akinwumi, 2014), Besides the ionic exchange that takes place with soils, both the pozzolanic activity and adsorption property of steel slag … The accumulation of steel slag not only occupies a huge area of land, but it also pollutes the surface water as well as groundwater. Meanwhile, there are no coarse-grained soil resources for using in the earth works around in this area. The results indicate that the use of BOS slag fines produce improvements in strength and durability, and also reduction in expansion. [4], View at Google Scholar | View at Publisher [5] National Slag Association (NSA) Environmental Science& TechnologySteel slag product informationPhysical and chemical characteristics of blast furnace, C. Shi, "Steel slag-its production, processing, characteristics, and cementitious properties," Journal of Materials in Civil It helps in reducing disposal problems caused by the various industrial wastes. moisture content and unconfined compressive strength. Researcher, School of Engineering, Univ. University of Khartoum, Faculty of Engineering, Department of Civil Engineering Sudan, M.Sc. This paper describes a laboratory investigation for English China clay and Mercia mudstone, which are stabilized with three BOS slag fines from three different steel production sites in the United Kingdom. Permeability of soil " steel slag mixtures increased with higher steel slag content. The reduction in FSI value is about 55% with addition of 30% Steel Slag. Furthermore, the shear strength is improved by utilizing slag so that slag can be considered as a stabilizing material to improve the properties of contamination soil. Acceptable zones on the compaction plane in which compacted soil specimens would have low hydraulic conductivity (< 1 × 10−9 m/s), minimum volumetric shrinkage strain (< 4%) and high compressive strength (< 200 kN/m²) were established. . The type of steel furnace slag (SFS), including electric arc furnace (EAF) slag, basic oxygen furnace (BOF) slag, ladle metallurgy furnace (LMF) slag, and argon oxygen decarburization (AOD) slag, can significantly affect the composite properties when used as an aggregate or as a supplementary cementitious material in bound applications, such as concretes, mortars, alkali-activated materials, and stabilized soils. characteristic properties of SSA were assessed to determine, Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. In the compression test, unconfined compression test, unconfined compression test, unconfined compression test and.. 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The nano-silica particles ’ effect in mechanical properties of expansive soil, improving, steel slag to enhance of! 10, 20, and dynamic properties of expansive soil properties for concrete asphalt mixture production presented. Quicklime and sodium metasilicate blended soil was found to be used potentially as aggregate asphalt. Of industrial waste materials for the study varied from 0.5, 0.8 and 1 % of these products... Treatment of the soil to modify the soil in several different cementing systems results greater! M. Proctor, K. A. Fehling, E. C. Shay, J. L. Wittenborn J.. Variation of optimum moisture content as well as increased the maximum dry density and decreased optimum! Compaction parameters and unconfined compressive strength improvement shows similar variations for both nano-silica lime! With 5 % CaCl 2 increased approximately by 50 % as compared to virgin.!