Rice husk ash classification and chemical composition. Due to 3% rice husk ash the cohesion value of soil increases from 0. This paper presents a cementitious material combined with rice husk ash rha obtained from biomass power plants and lime to stabilize expansive soil. Nov 07, 2017 anil kumar singhai, sudhanshu shekhar singh. Chittaranjan et ed agricultural wastes such as sugar cane bagasse ash, rice husk ash and groundnut shell ash to stabilize the sub grade soil. Cellulose c 5 h 10 o 5 lignin c 7 h 10 o 3 hemicellulose. Cbr, expansive soil, fly ash, rice husk ash, stabilization.
Addition of fly ash and rice husk ash resulted in appreciable increases in cbr of soil. Investigation includes the evaluation of such properties of the soil as compaction, strength, and xray diffraction. Addition of rice husk ash to the cement stabilized soil shows the significant result in cbr. Soil sample collected from maikunkele area of minna, classified as an a76 lateritic soil on aashto classification was stabilized with 212% rice husk ash rha by weight of the dry soil. Compressive strength testing of stabilized soil was investigated with various curing times of 3, 7, 14 and 28 d. Engineering properties of an expansive soil stabilized with.
Fortyeight weak subgrade soil samples were mixed with stabilizers fly ash and rice husk ash in different ratio and then 16 specimens were cured for 7 days while other 32. The sub grade soil was treated with these waste materials separately at 0%, 3%, 6%, 9%,12% and 15% and cbr test was carried out for each per cent. So for every kgs of paddy milled, about 220 kgs 22 % of husk is produced, and when this husk is burnt in the boilers, about 55 kgs 25 % of rha is. Soil stabilization with rice husk ash and lime sludge. Fly ash is the waste material generated from the thermal power plants, so their use make the soil stabilization cheaper. In this study, the rice husk ash rha was also used for soil stabilization same as the percentages 5%, 10% and 15% we selected in stabilization for fly ash. Pdf rice husk ash rha is a byproduct of rice milling. Soil stabilization by rice husk ash and waste coir material. The results generally indicate that adding lime and rice husk ash rha causes a decrease in dry density and an increase in optimum water content. Utilization of rice husk ash in geotechnology tu delft repositories. The second set used the other sample combined with coal slag and lime. Abstract an experimental investigation is carried out to. Soil stabilization using fly ash linkedin slideshare. Analysis of strength development and soilwater characteristics of.
Effect of cement replacement by rice husk ash on soft soil. To determine the strength characteristics of soil on addition of best percentages of fa and rha. Based on literature, portland cement, scrap tire, lime and fly ash and are less expensive and effective to soil stabilization. Stabilization of expansive soil of surat region using rice. Test results show that both cement and rice husk ash reduce the plasticity of soils. Influence of using rice husk ash in soil stabilization method. Stabilization of residual soil with rice husk ash and cement. Soil stabilization with rice husk ash and lime sludge trid. The admixtures were varied by 5%, 10%, 15% for fly ash and for rice husk ash it is 4%, 8% and 12%.
Rice husk ash being the waste material from rice industry and has pozzolanic property. Pdf comparison of fly ash and rice husk ash stabilized black. Soil stabilization with flyash and rice husk ash citeseerx. Laboratory study on soil stabilization using fly ash and rice. The objective of this paper is to upgrade expansive soil as a construction material using rice husk ash rha and fly ash, which are waste materials. Effect of cement replacement by rice husk ash on soft soil stabilization naphol yoobanpot and pitthaya jamsawang abstract the characteristics of soft soil improvement using cement and rice husk ash were studied. Stabilization of residual soil with rice husk ash and cement e. If you continue browsing the site, you agree to the use of cookies on this website. Pdf soil stabilization with rice husk ash researchgate. Clayey soils usually have the potential to demonstrate undesirable engineering behavior, such as low bearing capacity, high shrinkage and swell characteristics and high moisture susceptibility. Under this category, soil stabilization depends mainly on chemical reactions between stabilizer cementitious material and soilminerals pozzolanic materials to achieve the desired effect. A laboratory of soil subgrade stabilization by using fly ash. Abstract the objective of this paper is to upgrade expansive soil as a construction material using rice husk ash rha and flyash, which are waste materials.
Santi kala, stabilization of subgrade soil by lime with flyash and rice husk ash, international journal of. Study of strenth charataristic of black cotton stablizing. Due to 2% rice husk ash the cohesion value of soil increases from 0. Soil stabilization using rice husk ash and cement research india. These materials may be classified as pozzolanic fly ash, rice husk ash etc. A experimental study of black cotton soil, stabilized with rice husk ash, fly ash and lime. The rice husk ash is mixed with soil in various proportions like 5%, 10%, 20%, 30%, 40%, 50% and 80%. Soil stabilization with flyash and rice husk ash dr. Cbr, omc, mdd, expansive soil, fly ash, rice husk ash, stabilization. Effects of rice husk ash and lime on clay soil stabilization.
Optimum utilization of fly ash for stabilization of subgrade soil. A experimental study of black cotton soil, stabilized with. Both waste materials are produced in india as industrial byproducts. Geological disasters often occur due to expansion and shrinkage properties of expansive soil. Some strengthening approaches are available for stabilization of expansive soils. Using fly ash and rice husk ash as soil improving materials. Black cotton soil, rice husk ash, fly ash, and stabilization 1. Some waste materials such fly ash, rice husk ash, pond ash may use to. The rice husk ash possesses a chemical composition similar to many of the organic fibers. Muntohar b, a department of civil engineering, university of malaya, kuala lumpur 50603, malaysia b department of civil engineering, muhammadiyah university of yogyakarta, jl. Pdf effect of rice husk ash on soil stabilization aroj.
Its use as a soil stabilizer is an alternative to the final disposition with environmental benefit. After finding cbr, the pavement was designed on natural soil and stabilized soil. Peat soil stabilization with rice husk ash and lime powder. To study soil stabilization of black cotton soil bc using. Stabilization of a clayey soil with fly ash and lime. Author uses fly ash and rice husk ash rha to stabilize the soil. Soil stabilization is a process by which certain materials are added to soil to improve its engineering properties.
In addition to that properties which can improved by soil stabilization are cbr, shear strength of soil, ucs and bearing capacity etc. Brooks associate professor, department of civil and environmental engineering, temple university, philadelphia 19122. Next three different percentages of fly ash 5%, 10% and 15% were mixed with soil for the cbr test. Remolded expansive clay was blended with rha and flyash. Stabilization of residual soils is studied by chemically using cement and rice husk ash. Comparing to the fly ash which is the most common pozzolan being used worldwide in soil stabilization, the utilization of rice husk ash as pozzolanic material is still comparatively low. Stabilization of tropical residual soil using rice husk ash. The results of the treated soil showed that the rice husk ash need the lime to be activated.
Rice husk ash cement introduction rice husk ash rha is a byproduct from the burning of rice husk. In stress strain graph of unconfined compressive strength it is clearly shown that failure stress and strain increased by 106% and 50% respectively when. Soil stabilization with lime and fly ash the constructor. This paper studied the effect of fly ash and rice husk ash to improve the performance of black cotton soil. Efficiency of rice husk ash as cementitious material in. Rice husk ash in concrete properties, advantages and uses. The rich land and tropical climate make for perfect conditions to cultivate rice and is taken advantage by these asian countries.
Soil stabilization has become a major issue in construction engineering and the researches. Recycled and waste materials like fly ash, bagasse ash, rise husk ash can be used to soil stabilization to improve physical and chemical properties of soil. Stabilization of weak subgrade soil for road construction. Gandhia adepartment of civil engineering, sarvajanik college of engineering and technology, surat, gujarat, india accepted 20 october 20, available online 25 october 20, vol. This study is carried out for stabilization of soil using rice husk ash and fly ash with black cotton soil. Brooks published soil stabilization with flyash and rice husk ash find, read and cite all the. Black cotton soil, fly ash, rice husk ash, ucs, cbr. Using british standard light bsl compaction energy level, performance of the soil rha was investigated with respect to compaction. The feasibility of using two industrial wastes, rice husk ash rha from a rice mill and lime sludge from a paper factory, for soil stabilisation in road construction activities, was studied. Background of soil stabilization with different reagents including the rice. First index property of soil is determined after then fly ash and rice husk ash mix in different proportions in soil and put. Using british standard light bsl compaction energy level, performance of the soilrha was investigated with respect to.
Rice husk is an agricultural residue which is renewable and available in significant amounts. Agricultural wastes such as sugar cane bagasse ash, rice husk ash and groundnut shell ash are used to stabilize the weak sub grade soil. Soil stabilization using rice husk ash, lime and jute. Stabilization of black cotton soil with bagasse ash ijert. Stabilization of alluvial soil for subgrade using rice husk. Stabilization of these soils is a usual practice for improving the strength. Introduction generally, lands with black cotton soils are fertile and very good for agriculture, horticulture. Due to 1% rice husk ash the angle of internal friction of soil increases from 22. The term soil stabilization means the improvement of the stability of bearing power of the soil by the use of controlled compaction, proportioning under the addition of suitable admixtures or stabilizers. Efficiency of rice husk ash as cementitious material in high. Rice husk is extremely prevalent in east and southeast asia because of the rice production in this area. The soil frequently is fragile and has low stability in heavy loading.
The term soil stabilization means the improvement of the stability of bearing power of the soil by the use of controlled compaction, proportioning. This rha in turn contains around 85 % 90 % amorphous silica. Cbr value is used to reduce the thickness of pavement and increasing the bearing capacity of soil. Rice husk ash is a primary agricultural product obtained from paddy. Rice husk ash burnt in simple conditions for soil stabilization. Nov 12, 2016 presentation about soil stabilization using fly ash and rice husk ash slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Utilization of cementitious material from residual rice husk. Jun 22, 2012 pavement structures on poor soil sub grades show early distresses causing the premature failure of the pavement. Soil stabilization using fly ash and rice husk ash ijirset. Fly ash and rice husk ash were obtained from lakvijaya power plant in puttalam and rice mills in study area, respectively. Effects of rice husk ash and lime on clay soil stabilization dr.
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