STABILIZATION OF EXPANSIVE SOIL USING BRICK DUST S. Lakshman Teja 1, S.Shraavan Kumar 2 Dr. S. Needhidasan 3

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1 Volume 119 No , ISSN: (on-line version) url: STABILIZATION OF EXPANSIVE SOIL USING BRICK DUST S. Lakshman Teja 1, S.Shraavan Kumar 2 Dr. S. Needhidasan 3 1 Final Year Student, Department of Civil Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (Deemed University) Chennai Final Year Student, Department of Civil Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (Deemed University) Chennai Professor and Head, Department of Civil Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (Deemed University) Chennai needhidasan@saveetha.com ABSTRACT: The black cotton soil is known as expansive type of soil which expands suddenly and starts swelling when it comes in contact with moisture. Due to this property of soil the strength and other properties of soil are very poor. To improve its properties it is necessary to stabilize he soil by different stabilizers. Expansive type of soil shows unpredictable behaviour with different kind of stabilizers. Soil stabilization is a process to treat a soil to maintain, alter or improve the performance of soil. In this study, the potential of burnt brick dust as stabilizing additive to expansive soil is evaluated for the improving engineering properties of expansive soil. The evaluation involves the determination of the swelling potential, linear shrinkage, atterberg s limits, & compaction test of expansive soil in its natural state as well as when mixed with varying proportion of burnt brick dust (from 30 to 50%). The practices have been performed on three proportions 30%, 40%, and 50% with expansive soil. The research result shows considerable reduction in swelling of expansive soil.with increasing amount of stabilizer swelling decreases. Maximum decrement in swelling has been noted in 50% of replacement of soil by brick dust. Also by increasing stabilizing content linear shrinkage reduces. Maximum decrement in shrinkage has been noted in 50% replacement of soil by stabilizer. Maximum dry density of soil is improving and optimum moisture content is decreasing with increasing stabilizing content. For increasing content of stabilizing agent brick dust atterberg s limit values are also decreasing. KEYWORDS: Expansive soil, stabilization, brick dust, engineering properties INTRODUCTION: Over the past few decades several factors have led to an increase in the number of people migrating to large cities. Consequently these large cities are getting over populated and quite expectedly necessity of business, residential construction has increased the civil engineering projects located in areas with unsuitable soil is one of the most common problems in many parts of the world. The unsuitable soil (Black cotton Soil) can be stabilized by performing soil stabilization. In India black soil is the most problematic soil when it comes to construction. In rainy season black cotton soil swells and become sticky. Whereas in summers the moisture present in the soil evaporates and soil shrinks resulting in the crack of approximate 10 to 15 cm wide and up to 1 meter deep. The percentage covered by black cotton soil in geotechnical areas of India is 16.6%, which says huge amount of soil in India needs stabilization. Mechanical, chemical, electrical, thermal and other methods are in practice to improve the engineering properties of soil. Chemical stabilization is the best method used for highways and 903

2 air-field. The black cotton soil is known as expansive type of soil which expands suddenly and start swelling when it comes in contact with moisture. Due to this property of soil the strength and other properties of soil are very poor. To improve its properties it is necessary to stabilize the soil by different stabilizers.expansivetype of soil shows unpredictable behavior with different kind of stabilizers. Soil stabilization is a process to treat a soil to maintain, alter or improve the performance of soil. In The study the results are compared of potential of lime and burnt brick dust as stabilizing additive to expansive soil is evaluated for the improving engineering properties of expansive soil. SCOPE OF INVESTIGATION: To determine the effects of Marble dust powder and Coconut shell powder as a stabilizing agent on Black cotton soil. To improve the compaction characteristics of Black cotton soil by addition of 10%, 15% and 20% of Marble dust powder and 5%,10%.15% and 20% of coconut shell powder. To evaluate the strength characteristics of Black cotton soil with different percentages of Marble dust powder and coconut shell powder with different proportions. To improve the engineering properties of the Black cotton soil and make it suitable for construction. To increase the bearing capacity of soil. To reduce the swelling and shrinkage behavior of soil. NEED FOR STABILIZATION: Soil Stabilization is the cost-effective, long- term physical and chemical alteration of soils to enhance their physical properties. It can improve shear and unconfined compressive strengths, and permanently lower the soil s permeability to water. Soil stabilization helps increase the strength of the existing soil to improve its capacity for load bearing and allows increase and evenly distributed support to the structure. Soil stabilization helps improve, the bearing capacity of the foundation and its strength, water tightness, resistance to washout. ADVANTAGES OF SOIL STABILIZATION: Reduces weather related delays Eliminates Supply Problems Additional Material Reduction MACHINERY USED FOR SOIL STABILIZATION: 904

3 Figure 1 Mechanical Spreader METHODOLOGY: DESIGN AND IMPLEMENTATION: Tests performed, 1) Compaction factor test 2) California bearing ratio 3) Plastic limit 4) Liquid limit 905

4 5) Unconfined compression test Performing test samples RESULTS AND DISCUSSION: COMPACTION FACTOR TEST: CALIFORNIA BEARING RATIO: 906

5 UNCONFINED COMPRESSION TEST: 3 DAYS TEST RESULT: Unconfined compressive test for 3 days 7 DAYS TEST RESULT: 14 DAYS TEST RESULT: Properties of black cotton soil in present: CONCLUSION: The following conclusions can be drawn from the experimental results on Stabilization of Black cotton soil with Brick dust with varying percentages. 1. It can be concluded that there is an improvement of all the geotechnical properties of brick dust treated black cotton soil. 2. From the results of unconfined compression test it is observed that the maximum unconfined compression strength is obtained by addition of 15% LSP to the Black cotton soil. 3. The unconfined compression strength of the soil increased as the curing period of the specimen 907

6 increases. 4. A reduction in plasticity index causes a significant decrease in swell potential. This result confirm that the mix (LSP15%) hardens, such that it possesses less damage to the building in site due to settlement. when the soil is mixed with these percentage as compare to the soil strata. 5. From the economic analysis it is found that, a substantial save in cost of construction is possible by making use of two waste materials like Brick dust can be utilized to strengthen the Black cotton soil. 6. It can be concluded that the soil treated with Brick dust can be utilized as a soil stabilizer which minimize the settlement problems and the same can reduce the environmental issues. REFERENCES: [1] IRC: SP: , Guidelines for Soil and Granular Material Stabilization Using Cement, Lime and Fly ash, Indian Road Congress, New Delhi. [2] Karthik, S., Kumar, Ashok., Gowtham,P., Elango,G., Gokul,D., Thangaraj,S. (2014), Soil Stabilization by Using Fly ash, IOSR Journal of Civil and Mechanical Engineering, IOSR-JMCE, Vol. 10, pp [3] Ahmed, Afaf Ghais Abadi (2014), Fly ash Utilization in Soil Stabilization, International Conference on Civil, Biological and Environmental Engineering, CBEE, pp [4] Gyanen, Takhelmayum., Savitha, A.L.,Krishna, Gudi.(2013), Laboratory Study on Soil Stabilization Using Fly ash Mixtures, International Journal of Civil Engineering Science and Innovative Technology, vol. 2, pp [5] Mehta, Ashish., Parate, Kanak.,Ruprai,B. S. (2013) Stabilization of Black Cotton Soil by Fly ash, International Journal of Application or Innovative in Engineering and Management. [6] Bhuvaneshwari, S., Robinson, R.G., Gandhi, S. R. (2005), Stabilization of Expansive Soils Using Fly ash, Fly Ash Utilization Programme, FAUP, TIFAC, DST, Vol. 8, pp [7] Robert M, Brooks. (2009), Soil Stabilization with Fly ash and Rice Husk Ash, International Journal of Research and Reviews in Applied Sciences, Vol. 1, pp [8] Singhal,Anil kumar and Singh,Sudhanshu shekhar (2014), Laboratory Study on Soil Stabilization Using Fly ash and Rice Husk Ash, International Journal of Research in Engineering and Technology, Vol. 3, pp [9] Shrivastava,Dilip., Singhai, A. k. and Yadav, R. K (2014), Effect of Lime and Rice Husk Ash on Engineering Properties of Black Cotton Soil. International Journal of Engineering Research and Science Technology, Volume 3. [10]Yadu, Laxmikant and Tripathi, R. K (2013), Stabilization of Soft Soil with Granulated Blast Furnance Slag and Fly ash, International Journal of Research in Engineering and Technology, vol. 2, pp [11]Raut, J. M., Bajad, S.P., Khadeshwar. S. R (2014), Stabilization of Expansive Soil Using Fly ash and Murrum, International Journal Innovative Research in Science, Engineering and Technology, vol. 3, pp [12]Singh, S. P andpani, A (2014), Evaluation of Lime Stabilized Fly ash as a Highway Material International Journal of Environmental Research and Development, Vol. 4, pp [13]Fikiri Fredrick Magafu, Wu Li (2010), Utilization of Local Available Materials to Stabilize Native Soil (earth roads) in Tanzania-Case Study Ngara, SciRP, pp

7 [14]Olugbenga, Oludolapo Amu., Oluwole, Fakunle Bamisay and Iyiole, Akanmu Komolafe (2010), The Suitability and Lime Stabilization Requirement of Some Lateritic Soil Samples as Pavement, Int. J. Pure Appl. Sci. Technol., 2(1), PP [15]Malhotra. B. R and John. K. A, Need for Construction Equipment in Rural Roads- A Case Study Ministry of Rural Development, GOI, Government Of India. [16]Mudhgal,Ankur., Sarkar,Raju andsahu, A. K(2014), Effect of Lime and Stone Dust in the Geotechnical Properties of Black cotton soil Int. J. of GEOMATE, Vol. 7,pp [17]Oyediran, I. A andkalejaiye, M (2011), Effect of Increasing Cement Content on Strength and Compaction Parameters of Some Lateritic Soil from South Western Nigeria, EJGE, Vol.Bhooma Nepal and Vanita Aggrawal, Papercrete: A study on green structural material, International journal of applied engineering research, March 2014 Vol9. [18]Al-zoubi, Mohammed Shukri (2008), Undrained Shear Strength and Swelling Characteristic of Cement Treated Soil, Jordan Journal of Civil Engineering, Vol. 2,pp [19]Shelke, A.P and Murty, D.S (2010), Reduction of Swelling Pressure of Expansive Soils Using EPS Geofoam Indian Geotechnical Conference, GEO trendz. [20]Neva Elias(2015), Strength Development of Soft Soil Stabilize with Waste Paper Sludge, International Journal of Advanced Technology in Engineering and Science, Vol. 3,pp

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