A combination of 20% by weight of rice husk ash rha and approximately 2% by weight of natural lime improved the california bearing ratio cbr of expansive clay soil by 800%, reduced the soil plasticity by approximately 90%, and decreased free swell by approximately 70%. A comparative study of stabilization on subgrade soil by. Rice husk ash cvbt, center for vocational building. Stabilization of tropical residual soil using rice husk. Feasibility of soil stabilization using rice husk ash and. Effect of rice husk ash on soil stabilization 2014 qasim et al.
The contaminated soil was treated with up to 10% rice husk ash content. The high angularity and friction angle of rice husk contribute to excellent stability and load bearing capacity. Soil stabilization using rice husk ash and cement research india. In this, in this present investigation the type of solid waste namely rice husk ash for stabilization is selected to study the effects of same on the index and engineering characteristics of. Gandhia adepartment of civil engineering, sarvajanik college of engineering and technology, surat, gujarat, india accepted 20 october 20, available online 25 october 20, vol. The properties of the rice husk ash depend on its production methods used, influencing. R published on 20170419 download full article with reference data and citations. The rich land and tropical climate make for perfect conditions to cultivate rice and is taken advantage by these asian countries.
Soil stabilization with rice husk ash rha rice husk is one of the main agricultural residues and waste byproduct of agricultural processing firms. Soil stabilization has become a major issue in construction engineering and the researches regarding the effectiveness of using industrial wastes are rapidly increasing. Soil stabilization with rice husk ash and lime sludge. Optimum moisture content omc, california bearing ratio cbr. To avoid these circumstance, soil must be stabilized, and strength should be high. Characteristics of rice husk ashlime stabilized soft soil. Can rice husk ash from biomass power plants be used as a stabilization material. Potential use of rice husk ash with lime as a soil. In the preparation of samples, if rice husk ash and coir are not used then, the airdried soil was mixed. They concluded that rice husk ash, with the presence of humidity, reacts with chemicals and improves strength and compressibility nature of soil. Efficiency of rice husk ash as cementitious material in. This investigation is done to study the change in index properties and strength characteristics of black cotton soil corresponding to different proportions of fly ash and rice husk ash. The present study made an attempt to enhance the geotechnical properties of a soil replaced with industrial wastes having pozzolanic value like rice husk ash rha and fly ash fa.
Stabilization of expansive soil of surat region using rice. Pdf soil stabilization using rice husk ash and cement. Rice milling produces a byproduct known as husk which is surrounded by the paddy grain. Some strengthening approaches are available for stabilization of expansive soils. The additive of rice husk could improve the dry strength of sand soil 7, 21. J veena, t r vidaya abstractin the recent years, soil stabilization has become a major issue in construction engineering. Stabilization of expansive soil with rice husk ash, lime and gypsum an experimental study koteswara rao. The experimental work done on soil stabilization with fly ash and rice husk ash can be concluded as follows soil with varying percentage of fly ash gives maximum cbr value at 8% fly ash. Effects of rice husk ash and lime on clay soil stabilization. Rice hush ash rha is a pozzolanic material and can be used in the lime treatment for soil stabilization without strict requirements of burning conditions. Using british standard light bsl compaction energy level, performance of the soilrha was investigated with respect to. The soil frequently is fragile and has low stability in heavy loading.
Improvements include increasing the weight bearing capabilities and performance of insitu subsoil, sands, and other waste materials in order to strengthen road surfaces. Therefore, residual rice husk ash from biomass power plants, combined with lime, is adopted to stabilize expansive soil in this paper. Soil stabilization with flyash and rice husk ash seminar report,ask latest information,abstract,report,presentation pdf,doc,ppt,soil stabilization with flyash and rice husk ash seminar report technology discussion,soil stabilization with flyash and rice husk ash seminar report paper presentation details. Aspect ratio the ratio of length to width of the coir fibre strands. Pdf soil stabilization with rice husk ash researchgate. So an effort was made in which experimentation was.
Utilization of cementitious material from residual rice. 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. Stabilization of residual soil with rice husk ash and. Because rha is not selfcementitious, a hydraulic binder such a lime must be added to form cements to improve the soil strength. Effects of rice husk ash cement mixtures on stabilization of clayey soils.
To study soil stabilization of black cotton soil bc. Rice husk ash was applied at 4, 6, 8, and 10 % by weight of dry soil. Recent studies indicates the use of solid waste materials like fly ash and rice husk ash for soil stabilization by means of or devoid of lime or cement dahale et al. Test results show that both cement and rice husk ash reduce the plasticity of soils. A experimental study of black cotton soil, stabilized with. Index tests were used to characterize the treated soils.
Feasibility of soil stabilization using rice husk ash and coir fibre written by abarajithan. Stabilization of alluvial soil for subgrade using rice. Rice husk ash is a primary agricultural product obtained from paddy. Peat soil stabilization with rice husk ash and lime powder issn. Influence of using rice husk ash in soil stabilization method with lime. Pdf effect of rice husk ash on soil stabilization aroj.
Experimental investigation on clay soil stabilization. Using british standard light bsl compaction energy level, performance of the soil rha was investigated with respect to compaction. Rice husk is an agricultural waste that can be used in soil stabilization for improving the quality of locally available soils. Rice husk ash cement introduction rice husk ash rha is a byproduct from the burning of rice husk. Rice husk is extremely prevalent in east and southeast asia because of the rice production in this area. Jha and gill 2006 studied the evaluation of using rice husk ash rha as a pozzolona for enhancing lime treatment of residual soil and concluded that with the addition of rice husk ash, the. Wf weight of the coir w weight of the airdried soil the different values adopted in the present study for the percentage of coir material are 0. The main objective of this study is to evaluate the feasibility of using rice husk ash with lime as soil stabilization material. Soil improvement using the waste material like slags, rice husk ash, silica fume etc. Soil stabilization with rice husk ash and lime sludge trid. To find the optimum value of rha, fly ash and lime to evaluate the effect on the properties of black cotton soil stabilized with mixture of rice husk ash, fly ash and lime. Rha is a fibrous residue of the rice that remains after incineration of rice husk. The present experimental work briefly describes the suitability of the locally. Pdf effect of rice husk ash on lime stabilization of soil.
Assumption university journal of technology, 114, 246250. First index property of soil is determined after then fly ash and rice husk ash mix in different proportions in soil and put. If you continue browsing the site, you agree to the use of cookies on this website. Its use as a soil stabilizer is an alternative to the final disposition with environmental. Experimental investigation on the suitability of using rice husk ash and lime for soil stabilization. Zaniewski rice husk, produced by milling rice, has been used to a large extent as boiler fuel in rice mills in bangladesh. These methods consist of stabilization with soil replacement, chemical additives, moisture control, rewetting, surcharge loading.
Effect of cement replacement by rice husk ash on soft soil. Rice husk ash rha is obtained from the burning of rice husk. Soil stabilization using rice husk ash, lime and jute vishnu t. Stabilization of residual soil with rice husk ash and cement. Soil stabilization using rice husk ash, lime and jute. Investigation includes the evaluation of such properties of the soil as. Department of civil engineering, ksrm college of engineering, india placing a cushion between the expansive soil. Experimental investigation on the suitability of using. Pdf rice husk ash rha is a byproduct of rice milling. Its use as a soil stabilizer is an alternative to the final disposition with environmental benefit. The rice husk ash is mixed with soil in various proportions like 5%, 10%, 20%, 30%, 40%, 50% and 80%. 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.
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. The effects of 7 and 28 days of curing on these properties except the compaction properties have also been discussed. After burning it gives the rich amount of silica which may be used as chemical stabilizer for soil stabilization. Hence, use of rice husk ash to modify unsuitable soil should be encouraged rahman et al.
Stabilization of alluvial soils with cement and cementrice husk ash blend for lowvolume road construction in bangladesh a. Potentials of rice husk ash for soil stabilization. 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. A comparative study of stabilization on subgrade soil by using rice husk ash in different combinations sunil kumar thakur1, abhijeet shukla2 1m. Rice husk ash consist of 85%90% silica, this is why it is a great replacement for silica in soil stabilization, silica is considered to be a great binding agent along with cement, howe ver due. A series of tests are conducted to analyze the strength development process and soilwater characteristics of rice husk ashlime rhalime stabilized soils. Soil stabilization using rice husk ash chapter 1 introduction soil stabilization a general term for any physical, chemical, biological, or combined method of changing a natural soil to meet an engineering purpose. Potentials of rice husk ash for soil stabilization semantic scholar. Rice husk is an agricultural residue which is renewable and available in significant amounts. Engineering properties of an expansive soil stabilized. The results of the strength tests showed that by increasing. Gurumurthy department of civil engineering, indian institute of science, bangalore, india. Compressive strength testing of stabilized soil was investigated with various curing times of 3, 7, 14 and 28 d. In this study, 3 samples of rha collected from burning rice husk and 1 sample from burning rice husk firewood were considered.
Investigation includes the evaluation of such properties of the soil as compaction, strength, and xray diffraction. Pdf effect of rice husk ash on soil stabilization aroj bashir. Stabilization of soil by using rice husk ash the ijes journal. Effects of rice husk ash and lime on clay soil stabilization dr.
Stabilisation of rice husk ash for use as cushion below foundations on expansive soils p. Agricultural wastes such as sugar cane bagasse ash, rice husk ash and groundnut shell ash are used to stabilize the weak sub grade soil. Stabilisation of rice husk ash for use as cushion below. Potential use of rice husk ash in the stabilization and. Addition of rice husk ash to the cement stabilized soil shows the significant result in cbr. Pdf soil stabilization with rice husk ash and cement. The rice husk ash is mixed in various proportions with.
An assessment of the potential use of rice husk ash to immobilize and stabilize some ions in lateritic soil contaminated with tannery effluent was carried out. Since rice husk ash is a good pozzolana and reasonably produced and freely available agricultural waste, it exhibits its potential of using as a replacing soil stabilizer for lime and cement. Soil stabilization using rice husk ash and natural lime as. With further addition of fly ash, it keeps decreasing. Geotechnical properties of a chemically stabilized soil from malaysia with rice husk ash as an additive.
Soil stabilization by rice husk ash and waste coir material. Pdf soil stabilization is used to strengthen road surfaces by enhancing the weight bearing capabilities of insitu subsoil, sands and other waste. However, slight decrease in unconfined compression of cementtreated soil was observed on addition of rice husk ash. Stabilization of residual soils is studied by chemically using cement and rice husk ash. A blended admixture of portland cement and rice husk ash, proportioned in the ratio of cement to rice husk ash, 3 to 1, met the durability criteria.
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