Black cotton soil properties, chemical composition, and. The index properties of clayey soils may need to be improved to make them. Addition of various percentages of mine tailings to black cotton soil, the plastic limit decreased immediately after the addition of mine tailings to black cotton soil and increases continuously with increase in curing period. Behaviour of any contaminant in soil depends upon the physical and chemical properties of the contaminant as well as its interactivity with that of soil. The foundation trench may be made 150 mm more wide and depth 1,500. Black soil contains almost 50% of clay and can hold. The omc of the bc soil has decreased and the maximum dry density mdd increased with the addition of marble dust. There is a hypothesis that if the aluminum is introduced into the soil it will precipitate into the pore space, thus strengthening the soil 7 8.
Cbr, ucs and indirect tensile strength of expansive soil are greatly. Now a day the utilization of waste products with soil has gained attention due to the increasing problems of waste management. Abstract the aim of this research is to investigate the effect of silica fume addition on the behavior of black cotton soil which has inadequate natural stability. Enhancing the engineering properties of indian black. Swelling property of bc soil goes down 60% to 14% by adding lime content in increasing ratio. This type of soil has excessive expansive and shrinkage characteristics which make it undesirable for use as subgrade in highway construction. Pdf study of black cotton soil characteristics with cement waste. Normally it has very high dry strength and very low wet strength. In the present study black cotton soil specimens are derived from depth of 1 to 1.
Removal of black cotton soil and filling with granular material. Black cotton soil, soil stabilization, rice husk ash, engineering properties i. Plantain waste, which is steadied the peel gotten from its cover, is said to have many usages. The effect of battery effluent on compaction, plasticity, swelling, strength characteristics and california bearing values of black cotton soil has been presented in this. Introduction the soil stabilization is the process of improving the engineering properties of soil and thus making it more stable. Earlier many researchers have worked on it and found that it is suitable for the stabilization of the black cotton soil. Swelling properties of expansive soils treated with chemicals. The swelling and shrinkage behavior of black cotton soil originate mainly from. There are many methods of soil stabilization practiced in the construction industry.
Black cotton soil soil modification geotechnical properties. Effect of lime on the index properties of black cotton soil. The expansive soil is classified as clay of intermediate compressibility ci gs2. So the main objective is to stabilize the soil and improve its geotechnical properties in order to make use of the soil in the study area for construction purpose. Black soil structure is cloddish or sometimes friable. Pdf black cotton soil modification by the application of. During summer, however, map type cracking is observed.
This video is about my residential site under reamed pile foundation process in black cotton soil. A study carried out to understand the influence of hydrated lime to mitigate the weak properties of black cotton soil. But these days, the cost of lime has increased resulting in increase in need for alternative and cost effective waste materials such as fly ash and rice husk ash. Effect of waste saw dust ash on compaction and permeability. Black soil specimens from the latur district of maharashtra were taken to study the effects of addition of lime on the properties of the soil. Index properties and strength properties such as compaction and california bearing ratio. Ola, 1978 reported 70 % montmorillonite in the nigerian black cotton soils. The mixture of nacl solution and black cotton soil is mixed with sieved red soil in different proportion as described below. Effect of sodium chloride on geotechnical properties of. Black cotton soil, show evidence of excessive amount of swell accompanied by reduction of shear strength and shrinkage with moisture contents forms cracks. Improving the management of indias deep black soils. All the black cotton soils are not expansive soils and all the expansive soils are not black in color. This soil is highly cohesive and contains enormous amount of montmorillonite, which makes it erratic for any construction project. Jan 01, 20 table1 natural properties of black cotton soil sr.
Effect of silica fume on engineering properties of black. The plate load tests were conducted under the following conditions. The study area in the present work consists of black cotton soil, so efforts have been made to improve the geotechnical properties of soil in cost effective way. Impact of marble powder on engineering properties of black. The black cotton soil can be stabilized by using ash. Black cotton soil in this area is generally grayish brown to black in color and occur from 0. The maximum dry density and optimum moisture content of optimum fly ash and black cotton soil mixture is 16. The plastic limit of black cotton soil is found to be 47. Montmorrilonite is the predominant mineral of black cotton soils. Black cotton soil used in this research was brought from behind jabalpur engineering college, near n.
Management of deep black s o i l s f o r improving production l e v e l s of c e r e a l s, o i l s e e d s, and pulses in the semiarid region 67. Because of these properties, the black cotton soil has been challenge to. Abstract black cotton soils are predominantly available in india. Black soil has a texture like clayey and is highly fertile. Practical problems of highway construction in black cotton.
The strength of soil increases through cation exchange rather than brought via pozzolanic reaction 14. Black cotton soils are inorganic clay of medium to high compressibility and form a major soil group of india. Effect on engineering properties of black cotton soil by. The geotechnical properties of black cotton soil treated with crushed. Soil is defined as sediments or other accumulation of mineral particles produced by the physical or chemical disintegration of rocks plus the air, water, organic matter and other substances that may be included. Black cotton soils foundation process in hyderabad youtube. Effect of common salt nacl on index properties of black. Black cotton soil as the name speaks for itself looks grey to black in color. For studying the engineering properties of black cotton soil, the pond ash is mixed with 0% to 50% by weight of black cotton soil. Effect of lime the tests were conducted on optimum percentage of fly ash and black cotton soil mixture with 1% to 5% of lime content. Table 1 shows the properties of black cotton soil used in the test. The black cotton soil is found in major portion of maharashtra, west m.
They concluded that the addition of marble dust into the black cotton soil has changed the procter compaction parameters. Search for solutions to problems in black cotton soils. Jekayinfa 2012 in his study, explained how the remains of a decomposed plantain peels waste can be used to produce biogas, which will be another. The physical properties of black cotton soil bc soil vary from place to place. To study the properties of black cotton soil by adding bagasse ash. The black cotton soils contain the montmorillonite as a clay mineral, which causes the swelling nature in soil, due to water bond between the particles of soil. This is an expansive soil with a liquid limit of 80. The black cotton soil is collected near siraguppa taluk, bellary district from a cotton cultivated land. Very few researches are on brick made up from black cotton soil among the world, though black cotton soil is easily available in indian context. The formation of black cotton soils with respect to soil forming factors climate of formation of black cotton soils it was first thought that black cotton soils occur only in monsoonal type of climates with distinct annual wet and dry seasons in the tropics and subtropics, because of earlier recognition of their associations with these climates.
Properties of red coffee soils and black cotton soils. Various researchers, for the past few decades, had tried to stabilize black cotton soil using lime for improving its shrinkage and swelling characteristics. To study the geotechnical properties of black cotton soil 2. Property value 1 ph value 7alkaline 2 organic content 0. Introduction to soil mechanics and soil structures. Sodium chloride is a common salt which readily dissolves in water. Black soil expands when they are wet and they are hard to plow. Comparison of brick made from black cotton soil with various. In a phenomenon known as argillipedoturbation, alternate shrinking and swelling causes selfploughing, where the soil material consistently mixes itself, causing some vertisols to have an extremely deep a. Augmenting the properties of black cotton soil using additives. Effect of fly ash and polypropylene on the engineering. Cotton soils as cotton is cultivated in majority of the areas where this black soil is found.
Soil sample is collected from kopparthy village near kadapa vast area of black cotton soil. Generally, black cotton soils have comparatively high percentage of clay, more than 90 % with substantial proportions of silt and sand. Swelling suppression of black cotton soil by means of. Chanuhan rajiv and et al 2009 has studies the strength improvement of soil treated with lime and flyash mix for durability criteria.
Introduction the wide spread of the black cotton soil has. Limestabilized black cotton soil and brick powder mixture as. The solution is odorless but has a characteristic taste. The properties of black cotton soils in place can be altered by treating with aqueous solution of koh 6. Black cotton soils because of their specific physical. To find out optimum amount of stabilizer required for stabilization of black cotton soil. The locations of existence of black cotton soils are identified and the soil samples are. Due to this property of soil the strength and other properties of soil are very poor.
The properties of black cotton soils as they affects the. Lithomargic clay and black cotton soil was sieved through 2mm sieve or direct shear test, variable head permeability test and unconfined compression test. Chemical compositions of black cotton soil are listed in table2 below table 2. The experiments are conducted in geotechnical laboratory of ksrm college of engineering, which is located near krishnapuram village, kadapa. Quantities of lime blend 2, 4, 6, 8 and 10% of dry soil content. A study on engineering behavior of black cotton soil and. Expansive type of soil shows unpredictable behavior with completely. Effect of silica fume on index properties of black cotton soil chhaya negi, r. The various geotechnical properties of the procured soil are. The properties of black cotton soil can be modified by stabilizing the soil can be modified by stabilizing the soil with the use of additives or by mechanical means. Though black cotton soil plays a vital role in agriculture but it is posing many difficulties in civil engineering aspect. The polymer stabilizer is used in conjunction with cement to improve its efficiency with the soil particle. The properties of soil are determined by standard test procedures and tabulated in table1.
The black cotton soil is known as expansive type of soil which expands suddenly and start swelling when it comes in contact with moisture. Analysis of strength characteristics of black cotton soil. The soil selected for the study is black cotton soil from kozhinjampara region in palakkad district. Improving properties of black cotton soil with quarry dust. Black cotton soil is an organic clay of mediumhigh compressibility and constitutes as a major soil group in india.
Study of geotechnical properties of black cotton soil. The properties of black cotton soil can be modified by stabilizing the soil. Ijermce vol 3, issue 5, may 2018 a study on manufacturing. Experimental work has been carried out with 4 % and 6 % of lime. Indian black cotton soils are matched with these results. Pdf improvement of black cotton soil properties using e. Black cotton soil consists of clay minerals like montmorrilonite, illite and kaolinite, chemicals like iron oxide and calcium carbonate in the form of kankars, and organic matter like humus. Classification of soil into rocks, boulders, gravels, sands, silts, clays. Brick powder, one among the alternative materials, is a fine powdered waste. Black cotton soil it is also known as expansive soil due to its property of swelling it shows swelling and shrinking with change in water content. Limestabilized black cotton soil and brick powder mixture. In madhya pradesh most of the area is covered with black cotton soil, which is highly cohesive and expensive in nature. The properties of the black cotton soil may be altered in many ways viz, mechanical thermal, chemical and other means stabilisation, it is very important to investigate the physical and engineering properties associated with the black cotton soil.
Their organic content is and they are alkaline in composition with a ph low, greater than 7. Black soil when dry gets a contract and develops deep wide cracks. And determine its effect its on engineering properties of soil, like omc, mdd, cohesion, shear strength, angle of internal friction and compressive strength of soil. They are characterized by high shrinkage, low bearing capacity and swelling properties. The addition of 20% silica fume to the black cotton soil increases the cbr strength by 72% approximately. Problems and p o t e n t i a l s of the black s o i l s of i n d i a. The clods of the black cotton soil taken from the surface are found to be very hard. This paper presents the results of an experimental program undertaken to investigate the effect of ewaste at different dosages on black cotton soil. Pdf geotechnical investigation of black cotton soils. Two strategies proposed for achieving stability of buildings and road construction on black cotton soils of adamawa state. Bucher and sailie 1984 described black cotton soil as rich in montmorillonite and therefore prone to high volume change in the presence of water.
Hesse, soil chemical analysis published by chemical pub. Black cotton soil modification by the application of waste materials. Table comparison of properties of nimbaheda, shambhupura chittorgarh soil properties of soil chittorgarh nimbaheda shambhupura type of soil sandy soil black cotton soil red soil water content 8. The black colour in black cotton soil is due to the presence of titanium oxide in small concentration.
Soil proportio n changes depending upon their constituents, i. Properties of black cotton soil black soil has a texture like clayey and is highly fertile. Effect of lime on the index properties of black cotton. The black cotton soil possesses a lot of problem to any structure constructed over it due to. At the liquid limit, the volume change is of the order of 200 to 300% and results in swelling pressure as high as 8 kgcm 2 to 10 kgcm 2. Research article limestabilized black cotton soil and. Introduction black cotton soils are among a group of soils termed as problematic soils. Pdf search for solutions to problems black cotton soils. Owing to high initial moisture content, the soil was air dried first and then broken into pieces in the laboratory.
Discription black cotto n soil 30% mp 40% mp 50% mp liquid. The characteristics of black cotton soils, with different proportions 10%, 20%, and 30% of cement, flyash and ggbs one at a time are discussed and the evolution of their properties of black cotton soil are studied. In order to assess the properties of an expansive soil admixed with different percentages of lime and cha for each lime content, standard proctor compaction, atterberg limits and california bearing ratio cbr tests were performed. In this paper the geotechnical properties of polymer soil stabilizer is analysed with the help of detailed geotechnical investigation. The depth at which the black cotton soil is existing and its thickness can be ascertained by observation of cracks in the soil. Typical behavior of these soils under different climatic conditions has made the construction and maintenance of the roads not only expensive, but also difficult. Civil engineering technology 45 hours introduction. Study of black cotton soil characteristics with cement. It is called black cotton soil because it is black in color formed by the presence of titaniferous magnetite. Stabilization of black cotton soil with bagasse ash ijert. The black cotton soil taken for the present study was obtained from harihara, davanagere distict, karnataka.
Various geotechnical properties of virgin black cotton soil and contaminated black cotton soil contaminated black cotton soil properties of soil virgin black cotton soil c5 c10 c15 specific gravity 2. A study on engineering behavior of black cotton soil and its. Clay and laterite soil with sawdust as an ammendment in the year 2014. These soils are mainly characterized by high swelling and shrinkage properties. Morin 1971 defined black cotton soil as dark grey to black soil which has high clay content usually over 50% and are potentially expansive. Pdf stabilization of soils is an effective method for improvement of soil properties and the pavement system performance. Engineering properties of black cotton soil stabilized with.
Objective to compare at maximum stabilization properties of black cotton soils with the addition of flyash, cement and ggbs. Black cotton soils for the study were derived from indrasagar rockfill dam, polavaram, andhra pradesh india from a depth of 1m, 1. Characteristics, problems and remedies of expansive soils of rajasthan, india, ejge. Keywords soil stabilization, black cotton soil, fly ash, polypropylene i. The black cotton soil has a percentage of clay which is predominantly montmorillonite structures and black or blackish grey in colour. Physical properties of black cotton soil, river sand, fly ash and marble dust. Effect of rbi grade81 on engineering properties of black. Physical properties of black cotton soil, river sand. Stabilization, black cotton soil, california bearing ratio, lime and fly ash. Black cotton soil is very favorable for the cultivation of cotton.
In black cotton soil 25% river sand was mixed by weight due to erratic behaviour of black cotton soil. Effects of acids on geotechnical properties of black cotton soil. In this research paper the black cotton soil is stabilized by pond ash and engineering properties are studied. A physical characteristic of clay sample is listed in table1. To improve its properties it is necessary to stabilize he soil by different stabilizers. Black cotton soil, glass cullet, geotechnical properties. The main characteristics of black cotton soils among. The soil sample was treated with different doses of polymer stabilizer and cement. Black cotton soil, atterbergs limit, california bearing ratio, rbi grade81. Effects of acids on geotechnical properties of black. Field observations show that the black cotton soil deposits heave and become slushy during rainy season katti et a1973, katti et a1969, katti et a1969e.
Testing program of black cotton soil black cotton soil from latur was used for the determining the basic properties of the soil such as wet and dry sieve. Black cotton bc soil covers about 25% of the total area of india and mainly occurs in central part and western part of india. Black cotton soil bcs is a type of highly expansive soils that are widely discovered in. The addition of 2% of cement along with addition of sand in varying proportions 5, 10, 15 and 20 % to black cotton soil improves the index properties of soil considerably. Compaction characteristics are determined by conducting is light compaction test and strength characteristics by con ducting california bearing. The physical properties of black cotton soil and mine tailings are presented in table 1 and the chemical analysis of black cotton soil and mine tailings were carried out by adopting the standard procedures by p. Stabilization of black cotton soil using envirobase and sodium.
Stabilization of black cotton soil using terrazyme civil. Arora 20149 did theirwork on the stabilization of black cotton soil with sand and cement as sub grade for pavement thus stabilization with cement is fairly independent of soil properties. Pdf irjet stabilization of black cotton soil by using. Effect of lime and brick dust on compaction and swelling.
The properties of black cotton soil include liquid limit ranging from 3045, plasticity index from 2025 percent, the activity ratio ranges from 1. Materials and methods black cotton soil was collected from gulbarga, in karnataka state. The black cotton soil is easily available in india. A vertisol, or vertosol, is a soil type in which there is a high content of expansive clay minerals, many of them known as montmorillonite, that form deep cracks in drier seasons or years. Study notes on black cotton soil building engineering. The aims of this study stabilizing and mixing black cotton soil, with different concentration of naoh does not environment effective and time consuming. The effect of lime stabilization on properties of black. Table 1 shows the geotechnical properties of this soil. In this project an attempt has been made to stabilize the soil using lime. Study of black cotton soil characteristics with cement waste. Engineering properties of black cotton soil stabilized.
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