Full text of a study on stabilization of black cotton soil. Table 1 shows the geotechnical properties of this soil. The soil was taken from 1 meter below the ground level. Pdf the design foundation on black cotton soil expansive soil has always been a difficult task for the engineers as the structure resting on. These soils expand and become sticky during rainy season and contract during the dry season causing deep cracks into the soil. Some of these soils have reddish brown and grey colour. A study on stabilization of black cotton soil by use of fly ash, ferric chloride and stone. This work involves stabilization of black cotton soils from northeastern nigeria with sodium silicate. Atterberg limits such as liquid limit, plastic limit and plasticity index were determined for black cotton soil and black cotton soil with varying proportions of bagasse ash and lime. Study of geotechnical properties of black cotton soil. Black cotton definition is a soil formed in the deccan region of india by the disintegration of a black lava. Stabilization stabilization of of of black black black cotton. For determination of atterbergs limits, 100 grams of black cotton soil sample was weighed passing 425 micron sieve. A study on engineering behavior of black cotton soil and its.
Regur means cotton best soil for cotton cultivation. Stabilization of black cotton soil using coir pith raziya banu, lohith h g, md danish ali, ramya h n department of civil engineering, channabasaveshwara institute of technology, tumkur, india. Of the various factors that affect the swelling behaviour of these soils, the basic mineralogical composition is very important. Engineering properties of black cotton soil modified with fly ash and cement jaya prakash babu. Pdf study of black cotton soil characteristics with cement. They are very tenacious of moisture and exceedingly sticky, when wet. Swells and will become sticky when wet and shrink when dried. Comparison of brick made from black cotton soil with various admixture to the normal brick panchal darshan patel vivek u. This is an expansive soil with a liquid limit of 80.
Various geotechnical properties of virgin black cotton soil and contaminated black cotton soil contaminated black cotton soil properties of soil virgin black. Black cotton soil samples were collected from three locations within the studied area and their natural geotechnical properties determined in the laboratory. Jul 15, 2017 black cotton soils also called regur soils are generally clayey, deep and impermeable. The quality of black cotton soil can be improved by stabilizing it with lime. The location of pile tip should be decided upon based on soil profile. Black cotton soil as a part of this investigation, the expansive black cotton soil was acquired and the black cotton soil thus obtained was carried to the laboratory in sacks.
A sensible reduction of the organic content by any method was invariably followed by a corresponding reduction in its dark colour. Treatment with 10% sodium hexametaphosphate at boiling point or with h2o2 at 80 c. Selfploughing is a characteristic of the black soil as it develops wide cracks when dried. If unavoidable the building shall rest either on a rigid raft foundation. The lake chad basin is an extensive quaternary lacustrine deposit of black clay soils. Quality assessment for stabilization of black cotton soil by. The black colour in black cotton soil bc soil is due to the presence of titanium oxide in small concentration. Pdf stabilization of black cotton soil using ayurvedic. Black cotton definition of black cotton by merriamwebster.
This soil is found in extensive regions of the deccan. The hydrated lime reacts with the clay particles and permanently. Studies on stabilization of black cotton soil using lime. Laboratory investigations show that this soil consists of abundant proportions of montmorillonite and generally poses a major problem for civil engineering construction due to high volume changes. In the past, soil stabilization was done by utilizing the binding properties of clay soils, cementbased products, andor utilizing the rammed earth technique and. Student civil engineering department civil engineering department iiet, dharmaj iiet, dharmaj rana viresh sukhadia hardik u. Black cotton soil, a cohesive soil, is considered a problematic soil for civil engineers.
They continued this practice for decades, further debilitating the quality of the already poor soil. Stabilization of black cotton soil using lime international journal. It was found that the engineering properties of black cotton soil substantially improved by addition of lime. Stabilisation of black cotton soils using fly ash, hubballidharwad municipal corporation area, karnataka, india. Alternative soils or aggregates suitable for base construction are very difficult to obtain in these localities. Introduction the black cotton soil is a type of expansive soil with high plasticity and can retain moisture throughout the dry season which is why they are valuable for growing crops. In this work, the black cotton soil is stabilized with sand and cement, black cotton soil is extracted from chintakommadinne area and different engineering and index properties were studied to suggest the optimum percentage of sand and cement to stabilize the expansive soil. Stabilization is the process of physical and chemical alteration of soils to enhance their engineering properties and thus improving the load bearing capacity of a subgrade or a subbase to support pavements and foundations. Stabilization occurs when lime is added to black cotton soil and a pozzolanic reaction takes place. Black cotton soil from indore madhya pradesh which is predominantly composed of montmorillonite contained 045% organic matter. Expansive soils are the soils which expand when the moisture content of the soils is increased. Patel published on 20190701 download full article with reference data and citations. The bearing capacity of soils is perhaps the most important of all the topics in soil engineering.
Pdf study of black cotton soil characteristics with. International journal of engineering and science vol. Stabilization of black cotton soil for pavement using fly ash and lime 1shubham maheshwari, 2 s. Study notes on black cotton soil building engineering. Most of the soils are black in colour and are good for growing cotton. Studies on black cotton soil stabilization using rbi grade 81. Black cotton soil is the problematic soil that has the tendency for shrinkage or selling due to change of water content.
Black cotton soil when comes in contact with water it either swells or. The present work aims at determines the optimum percentage of sand and cement addition to the black cotton soil in improving the strength. Nov 25, 2014 soil bearing capacity and case study of black cotton soil 1. Most of the area in the central region covered with the black cotton soil. Pdf stabilization of black cotton soil using sodium. Study of black cotton soil characteristics with cement waste dust and lime article pdf available in procedia engineering 51. Soil bearing capacity and case study of black cotton soil. Professor 1,2department of civil engineering 1,2samrat ashok technological instituteengineering college vidisha mp 464001. Stabilization of black cotton soil using sodium chloride. The soil from the area is collected after removing the hard top soil of depth about 70 to 100 mm. Loose fine sand, soft silt, black cotton soil and expensive clays should be avoided for foundation. The test results has been shown that there is an improvement in strength properties of soil and also decrease in plasticity index.
Stabilization of black cotton soil using salts and their. Jul, 2017 black soils are highly argillaceous, very fine grained and dark, and contain a high proportion of calcium and magnesium carbonates. It has characteristics of swelling during rains and shrinking during summer. So there is a need to increase the soil strength and bearing capacity. Effects of acids on geotechnical properties of black cotton soil. This article provides study notes on black cotton soil. Abstract black cotton soils are predominantly available in india. Stabilization of black cotton soil for pavement using fly ash. Under this category, soil stabilization depends mainly on chemical reactions between stabilizer cementitious material and soilminerals pozzolanic materials to achieve the desired effect.
Engineering properties of black cotton soil modified with fly. To study the basic properties of untreated and treated soil. Stabilization of black cotton soil using waste material. Stabilisation of black cotton soils using fly ash, hubballi. The effect of lime stabilization on properties of black. Though black cotton soil plays a vital role in agriculture but it is posing many difficulties in civil engineering aspect. Comparison of brick made from black cotton soil with various. A small amount of soil was taken, sieved through 4. Black cotton soil was stabilized using various proportion of renolith. Materials and methods black cotton soil was collected from gulbarga, in karnataka state. 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.
Introduction in india about 20% of land is covered by black cotton soil. Building on black cotton soil is a tricky affair, admits mr daniel mburu, the ceo of fingerprint capital, a building and construction firm that specialises in putting up budget homes for. A study on engineering behavior of black cotton soil and. Sand is added 10 % and cement is added 2 % up to 30 %. The locally available black cotton soil due to its high shrinkage and swelling characteristics is selected in the present study. If the requirements of these soils are not sufficient, then either the soils are to be totally replaced by a better one or modify the properties as required. So in this present work, the black soil collected from chintakommadinne mandal has been stabilized by using sand and cement. Tech presentation on experimental investigation, on high expensive black cotton soil by using phosphogypsum, lime and fly ash submitted by shelendra kumar 12mumfctd001 guided by. Analysis of engineering properties of black cotton soil. Introduction black cotton soil are found in extensive region of deccan trap in indian.
Pdf stabilization of black cotton soil with terrasil ijsrd. So the stabilization has done for the black cotton soil which was done in this project work by using sodium chloride as an admixture. The dark colour of black cotton soils springerlink. To study soil stabilization of black cotton soil bc using. Soil bearing capacity and case study of black cotton soil 1. Excessive heave associated with swelling of expansive soil. Full text of a study on stabilization of black cotton soil by use of fly ash, ferric chloride and stone dust see other formats research inventy. Optimum moisture content of soil is added in preparing the samples. It exhibits low bearing capacity, low permeability and high volume change due to. Jul 17, 2017 in fact, farmers knew that cotton was tolerant of infertile soil so they planted it on the poorest soil and used its seed for fertilizer. The effect of lime stabilization on properties of black cotton soil nadgouda, k. Black cotton soil stabilized with rbi grade81 for different proportions i. Jan 09, 2016 black cotton soil, a cohesive soil, is considered a problematic soil for civil engineers.
Stabilization of maiduguri black cotton soils of nigeria with. Stabilization of black cotton soil using waste material bagasse ash written by milan j. This led many to conclude that cotton was hard on soil. After the stabilization of soil with lime in above percentage the various tests were performed liquid limit tests. Abstract urbanisation and growth in the economy of tier2. They are of variable thickness, underlain by black sticky material known as black soil.
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