Rice husk ash cement introduction rice husk ash rha is a byproduct from the burning of rice husk. Effect of offwhite rice husk ash on strength, porosity, conductivity and corrosion resistance of white concrete rossella m. A comparative study is carried on properties of concrete when cement is partially replaced with rice husk ash. Abu noaman et aleffects of rice husk ash prepared from charcoalpowered incinerator on the strength and durability properties of concrete festus a. Impact of rice husk ash on cement concrete project abstract is a lab report on cement concrete which impact of rice husk ash. The effect of grinding on the particle size and the surface area was first investigated. Compressive strength of cylindrical concrete in the 4766 mpa range was obtained. The use of alternative cementing materials that are cheaper than ordinary portland cement opc is a welcome development. Effect of rice husk ash fineness on the properties of concrete. The mass of binder was maintained rha mortar or partially replaced by rice husk ash rha in weight percentages of 5%, 10%, 15%, 20% and 30%.
Concrete mixtures to be examined were made in the laboratory using the following materials. This research work was experimentally carried out to investigate comparing the effects of rice husk ash rha and quarry dust on the compressive strength of concrete using local aggregates as super pozzolans at optimum replacement percentage which. The rice husk ash has good reactivity when used as a partial substitute for cement. Effect of rice husk ash on properties of concrete krishi sanskriti. Rice husk ash, concrete, opc, compressive strength, admixture. The properly rice husk ashes are found to be active within the cement paste. Show full abstract can be used as a replacement for concrete. Abstract this paper describes an investigation of the effect of using rice husk ash, in combination with lime and cement, as well as the production of low cost masonry units.
To find the effect of rice husk ash rha on concrete by replacement of cement. The effect of rice husk ash on mechanical properties and durability. This paper presents benefits resulted from various ratios of rice husk ashrha on concrete indicators through 5 mixture plans with proportions of 5, 10, 15. Rice husk ash has also been reported to improve the properties of concrete or cement paste due to the pozzolanic reaction and its role as a microfiller. Rice husk ash rha has been used as a highly reactive pozzolanic material to improve the microstructure of the interfacial transition zone itz between the cement paste and the aggregate in highperformance concrete biu et al, 2005. The rich land and tropical climate make for perfect conditions to cultivate rice and is taken advantage by these asian countries. Pdf effect of partial replacement of cement by rice husk ash in.
The density of concrete containing rice husk ash is similar to the normal weight concrete. Effect of rice husk ash on workability and strength of. Rice husk ash as a partial replacement of cement in high strength. Impact of rice husk ash on cement concrete project abstract. The effect of grinding on the particle size and the surface area was first investigated, then the xrd analysis was conducted to verify the presence of amorphous silica in the ash. Effect of partial replacement of cement by rice husk ash. One percent of the earths surface is used for cultivation of rice and it is the staple food for billions of people.
Effect of nano silica in rice husk ash concrete 1 k. Replacement of cement by rice husk ash showed in m30 grade concrete compressive strength improvement up to the replacement of 10% in all. Effect of rice husk on compressive strength of concrete. International journal of trend in scientific research and development ijtsrd international open access journal issn no. Introduction rice husk is an agrowaste material which is produced in about 100 million of tons. Effect of % replacement of rice husk ash on compressive strength w. Over 5% global co2 emission is attributed by cement production. Graph representing the variation of airentraining admixture aha, with the rice husk ash content in percentage. Effect of rice husk ash on fresh and hardened properties. It has economical and technical advantages to be used. Based on the above, optimum dose of rha is determined to enhance the desired properties of concrete without causing any adverse result on. Pdf impact of rice husk ash on cement concrete international. Feasibility of using rice husk ash as partial replacement. Rice husk is extremely prevalent in east and southeast asia because of the rice production in this area.
Feasibility of using rice husk ash as partial replacement for concrete i. Proc, workshop on rice husk ash cement, regional center for technology. In the ancient period, construction work was mostly carried out with help of mudstone from industry. Husk ash ha, after the burning of rice husks rh has manufactured a high pozzolanic reactivity and property. G and others published effect of rice husk ash in concrete as cement and fine aggregate find, read and cite all the. Pdf effect of rice husk ash in concrete as cement and fine. To determine the properties of rice husk ash rha, glass fiber and quarry dust. Combine effect of rice husk ash and fly ash on concrete by. Study on effect of natural and ground ricehusk ash concrete. In this present paper, the result of some authors with the use rha as a fractional substitution of cement on the properties of concrete like workability, permeability, compressive and. Following parameters influences behavior of the rice husk ash concrete. Also it is an attempt made to develop the concrete using rice husk ash as a source material for partial replacement of cement, which satisfies the various structural properties of concrete like compressive concrete like compressive strength. Effect of rice husk ash on partial replacement of cement. High strength concrete hsc was produced using locally available materials.
Effect of rice husk ash on the strength and durability. Poluraju, effect of fly ash and rice husk ash on modulus of elasticity of concrete, international journal of civil engineering and technology, 95, 2018, pp. Ganesana et al 2 investigated rice husk ash blended cement with respect to assessment of. Characteristics of rice husk ash concrete workability. Paper open access related content study on concrete with. The efficiency of rice husk ash depends on the proportion of the cement, rice husk ash, and water content in the mixtures as well as the curing time. The effect of rice husk ash on properties of aerated concrete. Aliu3 1,2,3 civil engineering department, rufus giwa polytechnic, pmb 1019, owo, ondo state. Cement is the most expensive constituents of the concrete.
Rice husk ash in concrete properties, advantages and uses. In the present research, the effect of rice husk ash fineness on the properties of concrete was studied. This report evaluates how different contents of rice husk ash rha added to concrete may influence its physical and mechanical properties. The effect of utilizing rice husk ash on some properties. The physical and mechanical properties and microstructure analysis were examined.
The research focuses on the mechanical behavior of concrete with the waste rice husk ash rha and marble powder mp as partial cement and sand replacement materials respectively. Due to pozzolanic reactivity, rice husk ash is used as a supplementary cementing material in concrete. Effect of substitution of cement with rice husk ash on. B 1assistant professor, 2,3pre final student department of civil engineering, panimalar engineering college, chennai abstract a concrete is the most commonly used material for construction and their design consumes almost the total cement.
Effect of rice husk ash and saw dust ash blend on the. In this study, rice husk ash rha was used as an aggregate with different replacement levels 0%, 25%, 50%. The main objective of this work is to study the suitability of the rice husk ash as a pozzolanic material for cement replacement in concrete. Results showed that the unit weight and compressive strength reduced when rha was introduced. Efficiency of rice husk ash as cementitious material in. The variation of water consistency with the varying quantity of admixtures in the rice husk ash concrete is shown in table1. New building materials are used to accelerate the construction work, in which the mixture plays an. The nonground rha can be applied as a pozzolanic material. Fly ash, rice husk ash, compressive strength, modulus of elasticity cite this article. Ephraim m, akeke ga, ukpata jo 2012 4 conclude that use of rice husk ash in construction works will decrease the. In this paper different contents of rice husk ash are added to concrete to study the influence on its properties. Effect of rice husk ash on workability and strength of concrete avinash babu srinivasreddy 1, timothy j mccarthy 2 and eric lume 3 1masters student of civil engineering, university of wollongong 2professor of structural engineering, university of wollongong 3honorary fellow, university of wollongong abstract.
Effective utilization of rice husk ash by partial replacement of cement g m institute of technology, davanagere 577006 page 2 concrete. Effect of rice husk ash on cement mortar and concrete. This paper investigates the properties of rice husk ash rha produced by using a ferrocement furnace. In this paper, the detailed experimental investigation was done to study the effect of partial replacement of cement by fly ash fa and. Rice husk ash rha added to concrete influences the ph of the samples.
Considering that 20 % of the grain is husk, and 20 % of the husk after combustion is converted into ash, a total of 20 million tons of ash can be obtained. The ash collected was porous as fine aggregate named as rha2. By converting rice husk into rice husk ash rha, it can be used in concrete as a fractional substitution of cement because of high silica quantity in rha. Rice husk ash cvbt, center for vocational building. The impervious microstructure of rice husk ash concrete provides better resistance to the sulphate attack, chloride ingress, carbonation etc. Eight different fineness grades of rice husk ash were examined. Pdf effect of rice husk ash on concrete researchgate. This paper investigates the effect of groundnut husk ash gha blended with rice husk ash rha in cement paste and concrete with a view to improve its suitability as a supplementary cementing.
The paper assesses the use of rice husk ash rha as an admixture in concrete in normal environment by determining the effect of addition of rha of 0%, 5%, 10% and 15% respectively to concrete. This research uses saw dust ash sda and rice husk ash rha to partially replace opc in the production of sandcrete blocks. A total of 200 test specimens were cast and tested at 3. Rice husk ash rice husk was burnt for approximately 60 hours in air under uncontrolled burning process. Samples with 3%, 5%, 7%, 10%, 12% and 15% content of. Cement ordinary portland cement of 53 grade was used. Abdullah al mamun 3 ayesha siddika rice husk ash rha possesses high pozzolanic activities and very suitable as. Effect of rice husk ash on hightemperature mechanical. Also it is an attempt made to develop the concrete using rice husk ash as a source material for partial replacement of cement, which satisfies the various structural properties of concrete like. A study on the effect of fly ash and rice husk ash on. Results from the experiments confirm that ground rice husk ash could be beneficially added into cement deep mixing to enhance the strength characteristics. Effect of rice husk ash on compressive strength of concrete.
To determine the behaviour of concrete produced from cement with combination of rice husk ash rha, fine aggregate of quarry dust and glass fiber at different proportions. Effect of partial replacement of cement by fly ash, rice husk ash with using steel fiber in concrete r. A rice husk ash dosage of 15% by weight of binder was used throughout the experiments. In this work alternative source for cement as rice husk ash is used. Flexural strength vs age in days of control concrete 87 20. Innovative infrastructure solutions study on concrete with rice husk ash ayesha siddika 0 1 2 md. Rice husk ash rha, produced after burning of rice husks rh has high reactivity. Keywords rice husk ash, compressive strength, splitting tensile. These are prominent in countries where the rice production is abundant. Husk ash rha, obtained by open field burning method, is decided for improving workability, strength and durability of concrete. Objective of this work is to study the effects of rice husk ash as an admixture on workability, strength, durability of cement concrete and cement mortar. The rha was obtained by burning rice husk, an agrowaste material which is abundantly available in the developing countries. This study examined the feasibility of using rice husk ash as partial replacement for concrete. Rice husk is an agricultural residue widely available in major rice producing countries.
So, the use and practical application of rice husk ash for concrete manufacturing are important. The chemistry and technology of cement made from rice husk ash. A total of 200 test specimens were cast and tested at 3, 7, 28 and 150 days. In this paper, the effect of different contents of rice husk ash rha added to concrete containing super plasticizer and with and without plastic fibers on its compressive strength has been studied. Effect of rice husk ash in concrete as cement and fine. Effect of rice husk ash percentage on compressive strength of concrete 85 18. Study on properties of rice husk ash and its use as cement. Cost analysis showed that the cost of ingredients k. An experimental study on effect of rice husk ash and glass. Rice husk ash rha is an agricultural waste which is a pozzolanic material that can be. Considerably fly ash and rice husk ash are used as supplementary cementing materials to improve the properties of cement concrete. Keywords rice husk ash, compressive strength, splitting tensile strength, water absorption and modulus of elasticity.
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