So, the use and practical application of rice husk ash for concrete manufacturing are important. Feasibility of using rice husk ash as partial replacement. Optimum use of rice husk ash rha, obtained by open field burning method, is decided for improving. Rice husk ash which is an agrowaste and known to be a super pozzoland have been used. Among all industries to reuse this product, cement, and concrete manufacturing industries are the ones who can use rice husk in a better way. Rice husk ash rha added to concrete influences the ph of the samples. Pdf the rice husk is an agricultural waste which is obtained from milling process of paddy and approximately 22% of the weight of paddy is rice husk find. The properly rice husk ashes are found to be active within the cement paste. Keywords rice husk ash, compressive strength, splitting tensile strength, water absorption and modulus of elasticity. This paper presents a comparative study on use of rha as partial. Ahmad2 1department of civil engineering, southern university bangladesh, chittagong, bangladesh 2department of civil engineering, chittagong university of engineering and technology, chittagong, bangladesh corresponding author. Rice husk ash as a partial replacement of cement in high. Pdf transport and microstructure properties of rice husk.
This paper investigates the properties of rice husk ash rha produced by using a ferrocement furnace. This research was experimentally carried out to investigate the effects of introducing rice husk ash rha as a partial replacement of ordinary portland cement opc on the structural properties of concrete. The density of concrete containing rice husk ash is similar to the normal weight concrete. Aliu3 1,2,3 civil engineering department, rufus giwa polytechnic, pmb 1019, owo, ondo state. The rha was obtained by burning rice husk, an agrowaste material which is abundantly available in the developing countries. Experimental studies on concrete with rice husk ash as a. Rice husk ash in concrete properties, advantages and uses. These are prominent in countries where the rice production is abundant. Efficiency of rice husk ash and fly ash as reactivity. Most of the evaporable components of rice husk are slowly lost during burning and the primary residues are the silicates. A small addition of rha lesser than two to three by weight of the cement, to a given water cement ratio, is sufficient and helpful to. Rice husk ash is used in concrete construction as an alternative of cement.
Results from the experiments confirm that ground rice husk ash could be beneficially added into cement deep mixing to enhance the strength characteristics. Rice husk ash international journal of applied science and. Ganesana et al 2 investigated rice husk ash blended cement with respect to assessment of. Characteristics of rice husk ash concrete workability. To study the strength development of rice husk ash rha concrete in comparison to control concrete, compressive strength tests were conducted at the ages of 1, 3, 7, 28, 45. 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 grades 20 and 30 concrete respectively. Effect of rice husk ash on hightemperature mechanical. Study on properties of rice husk ash and its use as cement. They also stated that rha concrete gave excellent improvement in strength for 10% replacement. The nitrogen adsorption test was done to verify the effect of grinding on the specific surface area of rha. Feasibility of using rice husk ash as partial replacement for concrete i. Pdf study on properties of rice husk ash and its use as. Effective utilization of rice husk ash by partial replacement of cement g m institute of technology, davanagere 577006 page 2 concrete.
Fly ash, rice husk ash, compressive strength, modulus of elasticity cite this article. Pdf properties of concrete block containing rice husk ash. This study examined the feasibility of using rice husk ash as partial replacement for concrete. Effect of rice husk ash on cement mortar and concrete. Innovative infrastructure solutions study on concrete with rice husk ash ayesha siddika 0 1 2 md. Effect of rice husk ash in concrete as cement and fine. G assitant professor department of civil engineering srm university, ramapuram chennai, tamil nadu abstractcement is the most expensive constituents of concrete. Most of the husk from the milling is either burnt or dumped as waste in open fields and a small amount is used. Effect of rice husk ash on workability and strength of. Pdf structural properties of rice husk ash concrete. Malleswara rao 2 1 department, civil engineering, gitam university, 2 department of civil engineering, andhra university, visakhapatanam, a.
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. Review of the researches on physical, mechanical and structural properties. Compressive strength and flexural strength test are conducted on rhamp concrete mix. Pdf study on concrete with rice husk ash researchgate. The rice husk ash possesses a chemical composition similar to many of the organic fibers. The rice husk ash may vary depending upon the source as well as the type of treatment. The concrete is mixed with rha in varying percentage of 1030%, with constant 5% of marble. Abiero gariy 4 1 civil engineering department, pan african university institute for basic sciences, technology and innovation pausti, 62000 00200 nairobi, kenya. Pdf structural properties of rice husk ash concrete researchgate.
Pdf impact of rice husk ash on cement concrete international. Introduction in this century, the utilization of rice husk ash rha as cement replacement is a new trend in concrete technology. For this study durability is interpreted in terms of porosity, moisture movement, surface strength, ultra sound pulse velocity and elasticity modulus of concrete. Rice husk ash cvbt, center for vocational building. Study of concrete properties using rice husk ash and. Unprocessed rice husk ash as a partial replacement of cement. In riceproducing countries rice husk asha material naturally high in silicacan be. This paper presents the study of concrete mix design using rice husk ash and marble powder. Effect of rice husk ash in concrete as cement and fine aggregate nithyambigai. So, enhancing both transport and microstructure of the concrete in the exposed. Pdf replacement of cement in concrete with rice husk ash. This research aims to investigate the efficiency of rha and fa replacement ratios on fresh and hardened properties of concrete mixtures.
Performance of rice husk ash in geopolymer concrete. Paper open access related content study on concrete with. Efficiency of rice husk ash as cementitious material in. 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. The effect of utilizing rice husk ash on some properties. Concrete blocks containing rice husk ash should be promoted as a new construction material to replace the existing blocks in market. Besides, as far as the sustainability is concerned, it will also help to solve problems otherwise. Properties of the material used must be better understood first to obtain the desired concrete block. The impervious microstructure of rice husk ash concrete provides better resistance to the sulphate attack, chloride ingress, carbonation etc.
International journal of trend in scientific research and development ijtsrd international open access journal issn no. The types, properties, advantages and uses of rice husk in. Air quality index, ambient air quality, air monitoring. Optimum use of rice husk ash rha, obtained by open field burning method, is decided for improving workability, strength and durability of concrete. Effect of rice husk ash on fresh and hardened properties. Most of concrete deterioration processes depend on deleterious substances penetrating from the surrounding environment into the bulk of the concrete through its surface. Cellulose c 5 h 10 o 5 lignin c 7 h 10 o 3 hemicellulose. The rice husk ash rha contain near about 85 % to 90 % amorphous silica. Rice husk ash and pumice in lightweight concrete of engineering materials to improve mechanical strength portland cement composites moh azhar1,a, azwar manaf2,b, bambang soegijono3,c 1faculty of maths and science, university of indonesia, depok 16424. The rice husk ash is used as a green supplementary material that has applications in small to large scale.
Rice husk is waste from the processing of grain into rice, rice husk ash is carried out by many researches related to concrete which have various functions, such as admixture, partial replacement. Experimental investigation on engineering properties of. However, in rural cambodia, where the use of rice husk ash concrete could improve quality of. The compressive strengths developed by the scc mixes with rha were comparable to the control concrete. As the production rate of rice husk ash is about 20% of the dried rice husk, the amount of rha generated yearly is about 20 million tons worldwide hwang, 185. 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. In this century, the utilization of rice husk ash rha as cement replacement is a new trend in concrete technology. By using rice husk ash in concrete, we can improve the properties of concrete. The rice husk ash has good reactivity when used as a partial substitute for cement.
Use of rice husk ash in concrete syed mehdi abbas 1, dada patil 2, sanjeev raje 3 1. 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, 20 and 25% rha by weight of cement in addition to 10% micro silica ms to be compared with a reference mixture with 100% portland cement. Introduction rice husk is an agrowaste material which is produced in about 100 million of tons. Lots of ways are being thought of for disposing them by making commercial use of this rha. Cost analysis showed that the cost of ingredients k. A rice mill turns the paddy plant into 78% rice, 20% rice husk and 2% is lost in the process ash, 2010. Burning the rice husk ash is a highly siliceous material that can be used as an admixture in concrete if. Rice husk ash rha used as partial replacement for ordinary portland cement opc in concrete. Pdf this research was experimentally carried out to investigate the effects of introducing rice husk ash rha as a partial replacement of ordinary. Abdullah al mamun 3 ayesha siddika rice husk ash rha possesses high pozzolanic activities and very suitable as. The effect of grinding on the particle size and the surface area was first investigated. 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. Ghassan and hilmi 2010 investigated the properties of rice husk ash rha produced by using a ferrocement furnace, and discovered that incorporation of rha in concrete increased water demand. Rice husk ash rha possesses high pozzolanic activities and very suitable as partial replacement of cement in concrete.
The flexure strength of the rice husk ash concrete shows the increment in the strength of the rha concrete the 7 flexure strength of rt0 mix is 2. Sources of rice husk ash rha will be in the rice growing regions of the world, as for example china, india, and the fareast countries. New building materials are used to accelerate the construction work, in which the mixture plays an. This paper presents a comparative study on use of rha as partial replacement of cement in concrete specimens. 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 rha is obtained by the combustion of rice husk and has been found to be super pozzolanic. 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. A total of 200 test specimens were cast and tested at 3, 7, 28 and 150 days. Performance evaluation of steel fibre s in rice husk ash.
This superpozzolan can be used in a big way to make special concrete mixes. Rice husk ash, pozzolan, compressive strength, permeability, durability 1. 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. Rice husk ash rha is an agricultural waste product, and how to dispose of it is a problem to waste mangers.
Thus, due to growing environmental concern and the need to conserve energy and resources, utilization of industrial wastes as supplementary cementing materials has become an integral part of concrete construction. Pdf rice husk ash rha possesses high pozzolanic activities and very suitable as partial replacement of cement in concrete. Rice husk ash rha is an agricultural waste which is a pozzolanic material that can be. Rice husk ash as a partial replacement of cement in high strength. 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. The usage of rice husk either in its raw form or in ash form is many. 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.
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