Black cotton soils are highly clayey soils, grayish to blackish in colour found in several states in india. A study on engineering behavior of black cotton soil and. Department of mechanical engineering chauhan, premanand s. The location of pile tip should be decided upon based on soil profile. The aim is to improve the engineering properties of the black cotton soil such that the structure built on this soil can be efficiently withstanding applied loads. The black cotton soils have been formed from basalt or trap and contain the clay mineral montmorillonate, which is responsible for the. Soil stabilization methods with different materials. S 2003, improvement of properties of black cotton soil subgrade through natural reinforcement. In this project an attempt has been made to stabilize the soil using lime. Cokca 2001 studied the effect of fly ash on expansive soils. Analysis of strength characteristics of black cotton soil. Aandavan 2 1final year student, department of civil engineering, saveetha school of engineering, simts, chennai, india. It is one of the major soil deposits of india which covers an area of approximately 3,00,500 sq.
Black cotton soil is combined with altering percentage of corncob ash from 0% to 20% by weight to observe its effect as an additive on the expansive soil. Many research have been conducted for stabilization of soil by using cementing, chemical materials e. Mdd was found to change with varying content of corncob ash. Jun 29, 2019 stabilization of black cotton soil using waste material quarry dust written by milan j. Study of black cotton soil characteristics with cement. Ucs and cbr tests are conducted with varying content of corncob ash in the black cotton soil. Lime is added to black cotton soil and stabilization takes place by virtue of pozzolanic reaction.
Black cotton soil properties of black cotton soil sugar cane molasses molasses a result of sugar cane is a thick and dim syrupy fluid acquired in preparing genuine sweetener. Plasticity index is one of the important properties of soil to determine the behavior of soil in presence of water. Stabilization of black cotton soil using waste material gypsum calcining,gypsum calcining,ball mill. Setting of cement will enclose soil as glue, without changing the structure of soil.
It was found that the engineering properties of black cotton soil substantially improved by addition of lime. Study notes on black cotton soil building engineering. Study of strenth charataristic of black cotton stablizing. Density, lime, black cotton soil, stabilization, california bearing ratiocbr. Stabilization of black cotton soil using envirobase and sodium silicate with lime pramod kilabanur, tanveer. Predicting cbr values of black cotton soil stabilized with. Experimental study on stabilization of black cotton soil. The objective of the treatment is to amend undesirable properties of problem soils or substandard materials so that they are suitable for use in construction. The amount of sand for stabilization is taken in the proportion of 10%, 20%, 30%, and 40% by dry weight of soil and the amount of cement was taken as 2% by dry weight of soil. These include cement stabilized or treated aggregate, soil cement, lime cement flyash, and limestabilized materials. It is collected from patan road district jabalpur madhya pradesh from ground having coordinates21.
Further the value of ucs is slightly decreased for rha content of 15%. Stabilization of black cotton soil using waste material. The present paper deals with the stabilization of black cotton soil using stone dust and polypropylene fibers. It contains resinous and little measure of inorganic constituents that makes it unsuitable for the human use. The soil from the area is collected after removing the hard top soil of depth about 70 to 100 mm.
It contains montmorillonite clay mineral which contains very high expensive characteristics. Stabilization of black cotton soil using lime article pdf available in international journal of science and research ijsr june 2015 with 6,322 reads how we measure reads. Under this category, soil stabilization depends mainly on chemical reactions between stabilizer cementitious material and soilminerals pozzolanic materials to achieve the desired effect. The soil stabilized with cement is known as soil cement. To avoid this, properties of soil must be improved by artificial means. Bc soil is clayey soil seen grayish and black in color.
Following are the various soil stabilization methods and materials. Pdf stabilization of black cotton soil by admixtures. The foundation in black cotton soilexpansive soil mystery. 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. Ce 10 stabilization of black cotton soil by fly ash. Experimental investigation on stabilization of black.
Css consists of mixing the existing base, subbase and subgrade materials and uniformly mixing with portland cement and water. In indore area this bc soil is spread over almost all parts of district. They are of variable thickness, underlain by black sticky material known as black soil. Different admixtures on black cotton soil bhasin et al. Stabilisation of black cotton soils using fly ash,hubballidharwad municipal corporation area, karnataka, india.
In order to improve the strength properties of black cotton soil, several types of stabilized materials are used as base courses, subbase courses, or treated subgrade for highway pavements, 1. A laboratory study on the influence of compactive effort on expansive black cotton specimens treated with up to 8% ordinary portland cement opc admixed with up to 8% bagasse ash ba by dry weight of soil and compacted using the energies of the standard proctor sp, west african standard was or intermediate and modified proctor mp were undertaken. Soil stabilization with cement, bitumen, lime, chemical stabilization,geotextile, grouting etc. 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. Stabilization of black cotton soil by fly ash ashish mehta 1, kanak parate 2 and b. The chemical stabilization of expansive soils has been found to be quite successful in controlling detrimental volume changes due to swellshrink beha. Patel published on 20190629 download full article with reference data and citations. A cement modified soil cms is a soil material that has been treated with a relatively small proportion of portland cement less cement than is required to produce hardened soil cement. The stabilized soil materials havea higher strength, lower permeability and lower compressibility than the native soil keller bronchure 3201e. To study the behavior of strength gain in bc soil using process of lime fly ash stabilization. Stabilization is the processes in which 5 to 7 % materials like lime, cement plant dust etc. Lime lime is an economic way of soil stabilization, used mainly in black cotton soils which are highly unstable. Experimental work has been carried out with 4 % and 6 %. The poorest soil among all is black cotton soil bc soil.
Cement kiln dust, black cotton soil, unconfined compressive strength, plasticity, maximum dry density, swelling, stabilization. A reaction takes place between hydrated lime and clay particles and resulting in formation of permanent strong cementation matrix. The index and engineering properties of black cotton soil is determined as per the is code 2720 1974. Black cotton soil when comes in contact with water it either swells or. 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. Stabilization of black cotton soil using waste material quarry dust ayushi d. Study on stabilization of black cotton soil by using stone. Introduction black cotton soil are found in extensive region of deccan trap in indian. Stabilization of expansive soils by using corncob ash.
Pdf stabilisation of black cotton soil using sawdust. These clays predominantly montmorillonite in structure and. Research article a study on effect of fiber on cement. This specification shall govern the process known as cement stabilized soil css.
The effect of lime stabilization on properties of black. Soil stabilization using rice husk ash and cement 53 figure 3. Stabilization of black cotton soil using alkali activated. The soil type in study is black cotton soil and also known as expansive soils. Ruprai3 ashish mehta 1 1assistant professor, gniem,nagpur. Variation of ucs with rha content the ucs is increased by 90. Cement modified soil cms is a soil aggregate material that has been treated with a relatively small proportion of portland cement in order to amend its undesirable properties so that they are suitable for use in subgrade or foundation construction. Stabilization of soils is an effective method for improvement of soil properties and the pavement system performance.
The purpose of soil classification is to arrange various types of soils into groups according to their engineering. In this respective research, coconut coir fiber has been used to check its impact on compaction properties of soil. Compaction and strength characteristics of an expansive. The quality of black cotton soil can be improved by stabilizing it with lime. Gerald a miller et al, influence of soil type on stabilization with cement kiln dust journal of construction of building materials, 14 2000 pp 8997. Introduction black cotton soils bc soils are inorganic clays of medium to high compressibility and form a major soil group in india.
Analysis and reduction of manufacturing nonconformities of nonthreaded fastener. It is a method of improving soil properties by blending and mixing other materials. Study of geotechnical properties of black cotton soil. Midwest naturalpave was specifically created to take advantage of native soils.
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