scholarly journals A Review on Mechanical Properties of Sustainable Concrete by using Rise husk ash and hydrated lime

2022 ◽  
pp. 8-11
Author(s):  
Doddipati Srinath ◽  
◽  
Gomasa Ramesh ◽  
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Construction Material ◽  
Sandy Soils ◽  
Hydrated Lime ◽  
Environmentally Conscious ◽  
Concrete Production ◽  
Hydraulic Binder ◽  
Rice Milling

Concrete is a commonly used construction material all over the globe. Environmentally conscious construction is essential in today’s society. By using the proper materials, we may achieve long-term construction. RHA is often used as a cementitious product replacement, and in such cases, we may mix RHA with hydrated lime. Many research has been conducted on RHA, and they all indicate that it outperforms other kinds of concrete. The importance of rice husk ash in construction and its applications are the subject of this essay. Many studies have been undertaken to identify appropriate replacements for cement in concrete mixes to reduce our over-reliance on cement as a component in concrete production owing to its contribution to CO2 emissions. This article examined the research on the usage of fly ash and rice husk ash as partial concrete replacements and the chemical composition of these materials, and their impact on concrete compressive strength. The mix was created using a logical approach in which solid components were set, and water and superplasticizer content were modified to get the best viscosity and flowability. Rice husk ash (RHA) is a rice milling byproduct. Its usage as a soil stabilizer provides an environmentally friendly alternative to ultimate disposal. Because RHA is not self-cementitious, a hydraulic binder, such as lime, must be added to create cement types to strengthen the soil. In sandy soils, studies on stabilization using RHA and lime mixtures were carried out. RHA of rice husk incineration in ordinary ovens with no temperature control and laboratory burning at regulated temperatures were utilized. In soil mixes with varying RHA and lime concentrations, cementitious compounds were found to develop. Soils treated with RHA and lime underwent unconfined compression strength testing. All RHA and lime concentrations and periods tested showed strength gains, and all materials created were changed rather than stabilized. The use of RHA to improve sandy soils offers environmental, social, and economic advantages as an alternative to ultimate disposal.

scholarly journals A Review on Mechanical Properties of Sustainable Concrete by using Rise husk ash and hydrated lime

2022 ◽  
Vol 1 (3) ◽  
pp. 8-11
Author(s):  
Doddipati Srinath ◽  
◽  
Gomasa Ramesh ◽  
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Construction Material ◽  
Sandy Soils ◽  
Hydrated Lime ◽  
Environmentally Conscious ◽  
Concrete Production ◽  
Hydraulic Binder ◽  
Rice Milling

Concrete is a commonly used construction material all over the globe. Environmentally conscious construction is essential in today's society. By using the proper materials, we may achieve long-term construction. RHA is often used as a cementitious product replacement, and in such cases, we may mix RHA with hydrated lime. Many research has been conducted on RHA, and they all indicate that it outperforms other kinds of concrete. The importance of rice husk ash in construction and its applications are the subject of this essay. Many studies have been undertaken to identify appropriate replacements for cement in concrete mixes to reduce our over-reliance on cement as a component in concrete production owing to its contribution to CO2 emissions. This article examined the research on the usage of fly ash and rice husk ash as partial concrete replacements and the chemical composition of these materials, and their impact on concrete compressive strength. The mix was created using a logical approach in which solid components were set, and water and superplasticizer content were modified to get the best viscosity and flowability. Rice husk ash (RHA) is a rice milling byproduct. Its usage as a soil stabilizer provides an environmentally friendly alternative to ultimate disposal. Because RHA is not self-cementitious, a hydraulic binder, such as lime, must be added to create cement types to strengthen the soil. In sandy soils, studies on stabilization using RHA and lime mixtures were carried out. RHA of rice husk incineration in ordinary ovens with no temperature control and laboratory burning at regulated temperatures were utilized. In soil mixes with varying RHA and lime concentrations, cementitious compounds were found to develop. Soils treated with RHA and lime underwent unconfined compression strength testing. All RHA and lime concentrations and periods tested showed strength gains, and all materials created were changed rather than stabilized. The use of RHA to improve sandy soils offers environmental, social, and economic advantages as an alternative to ultimate disposal

scholarly journals Partial replacement of cement with rice husk ash in concrete production: an exploratory cost-benefit analysis for low-income communities

2021 ◽  
Vol 13 (3) ◽  
pp. 127-141
Author(s):  
Franco Muleya ◽  
Natasha Muwila ◽  
Chipozya Kosta Tembo ◽  
Alice Lungu
Keyword(s):  
Rice Husk ◽  
Low Income ◽  
Rice Husk Ash ◽  
Cost Benefit Analysis ◽  
Construction Material ◽  
Concrete Strength ◽  
Cost Benefit ◽  
Partial Replacement ◽  
Benefit Analysis ◽  
Concrete Production

Abstract Cement is an important construction material in concrete production; however, it is expensive and unaffordable for many low-income and rural communities in developing countries. Rice husk is a by-product from the rice mill process, with an approximate ratio of 200 kg rice husk per one tonne of rice produced. This experimental study aimed to investigate the integrity of concrete produced in Zambia using rice husk ash (RHA) to partially replace cement. The primary goal was to carry out a cost–benefit analysis on the use of RHA in concrete. RHA was used to partially replace cement with ratios of 10 %, 20 % and 30 %. The 20 % cement replacement mix produced the optimum 18 MPa concrete strength results at a 0.5 water/binder ratio. This translated in cost reduction of concrete by 12.5 %, which is particularly significant for higher concrete volumes. The produced concrete is suitable for lightly loaded structures, such as foundation footings, surface beds and walkways to benefit low-income communities. The study further concluded that the RHA based concrete was more cost-efficient in structures that were close to areas of rice production due to reduced RHA transportation costs.

Determination of Creep Behavior of Concrete Beams Made with Rice Husk Ash

2021 ◽  
Vol 15 (1) ◽  
pp. 339-346
Author(s):  
Winfred Mutungi ◽  
Raphael N. Mutuku ◽  
Timothy Nyomboi
Keyword(s):  
Prediction Model ◽  
Rice Husk ◽  
Creep Behavior ◽  
Rice Husk Ash ◽  
Concrete Beams ◽  
Plain Concrete ◽  
Reinforced Concrete Beams ◽  
Partial Replacement ◽  
Design Strength ◽  
Concrete Production

Background: Creep in concrete is a long-term deformation under sustained loading. It is influenced by many factors, including constituent materials, environmental conditions, among others. Whenever there is an alteration in the convectional concrete preparation process, the creep characteristics need to be realistically assessed. In the present construction, rice husk ash has been used for partial replacement of cement in concrete production. This is because its properties of both tensile and compressive strength in concrete have been tested and found comparable with plain concrete. However, durability characteristics such as creep, which take place in the long run, have not been realistically assessed. Therefore, it is important to study the creep of rice husk ash concrete, which will further help in the development of a creep prediction model for such concrete for use by design engineers. Objectives: Rice husk ash was used as supplementary cementitious material in concrete, and the creep behavior was studied with the aim of producing a creep prediction model for this concrete. Methods: The cement was replaced with 10% of rice husk ash in concrete with a design strength of 30MPA. Reinforced concrete beams were cast and loaded for flexural creep 35 days after casting. The loading level was 25% of the beam’s strength at the time of loading. The creep observation was done for 60 days. The rice husk used was obtained locally from Mwea irrigation scheme in Kenya. The experiments were carried out in our school laboratory at Jomo Kenyatta university of Agriculture and Technology. Results: The creep strain data of rice husk ash concrete beams was obtained with the highest value of 620 micro strain for 60 days. The results were used to develop a creep prediction model for this concrete. Conclusion: A creep prediction model for rice husk ash concrete has been developed, which can be adopted by engineers for class 30 of concrete containing rice husk ash at a 10% replacement level.

Experimental Study on Various Mineral Admixtures in Fibre Reinforced Concrete

2019 ◽  
pp. 309-317
Author(s):  
Kavitha E ◽  
Karthik S ◽  
Eithya B ◽  
Seenirajan M
Keyword(s):  
Fly Ash ◽  
Rice Husk ◽  
Power Plants ◽  
Rice Husk Ash ◽  
Thermal Power ◽  
Experimental Studies ◽  
Mineral Admixtures ◽  
Hardened Concrete ◽  
Polypropylene Fibres ◽  
Concrete Production

The quantity of fly ash produced from thermal power plants in India is approximately 80 million tons each year, and its percentage utilization is less than 10%. An attempt has been made to utilize these cheaper materials in concrete production. This thesis aims at investigating the characteristics of fresh concrete and various strengths of hardened concrete made with various mineral admixtures such as fly ash. GGBFS, silica fume. Rice husk ash along with polypropylene fibres in various proportions.  M20 grade concrete is considered for experimental studies with 53grade Ordinary Portland Cement blended with varying percentages of mineral admixtures. The maximum size of coarse aggregate used is 20mm.  Various mineral admixtures such as fly ash. GGBFS.Silica fume. Rice Husk Ash were added concrete in various percentages by partially replacing cement and the optimum percentage of the mineral admixtures will be found.  Based on the obtained values, the admixture with maximum mechanical strength is determined and to this polypropylene fibre is added by varying 0 to 0.5 % by weight of cement to the mix.  The test results obtained were compared and discussed with conventional concrete.

scholarly journals Mix Design of Grade M35 by Replacement of Cement with Rice Husk Ash in Concrete

2018 ◽  
Vol 8 (03) ◽  
Author(s):  
Savita Chaudhary ◽  
Aditya Pratap Singh
Keyword(s):  
Rice Husk ◽  
Carbon Dioxide Emissions ◽  
Rice Husk Ash ◽  
Strength Properties ◽  
Environmental Benefits ◽  
Partial Replacement ◽  
Pozzolanic Material ◽  
Concrete Production ◽  
Cement And Concrete ◽  
Strength And Durability

The optimized RHA, by controlled burn or grinding, has been used as a pozzolanic material in cement and concrete. Using it provides several advantages, such as improved strength and durability properties, and environmental benefits related to the disposal of waste materials and to reduced carbon dioxide emissions. Up to now, little research has been done to investigate the use of RHA as supplementary material in cement and concrete production .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. However it is expected that the use of rice husk ash in concrete improve the strength properties of 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

Prospects of rice husk ash as a construction material

2022 ◽  
pp. 61-92
Author(s):  
Zahid Hossain ◽  
Kazi Tamzidul Islam
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Construction Material

scholarly journals Study on strength and durability characteristics of polypropylene fiber reinforced blended concrete tiles

2018 ◽  
Vol 7 (3) ◽  
pp. 1544
Author(s):  
N K. Amudhavalli ◽  
M Harihanandh
Keyword(s):  
Rice Husk ◽  
Rice Husk Ash ◽  
Construction Material ◽  
Polypropylene Fiber ◽  
Fiber Reinforced ◽  
Abrasion Test ◽  
Brittle Behavior ◽  
Curing Period ◽  
Strength And Durability ◽  
Constant Percentage

Concrete is brittle and widely used as an artificial construction material with incorporation of cement, water and aggregate in necessary proportions. To overcome the brittle behavior of composites, fibers and admixture are added to the concrete. In this present investigation Polypropylene Fiber is added in varying percentage (0.2%, 0.4%, 0, 6%, 0.8% and 1%) to the weight of cement and constant percentage of Rice Husk Ash (15%) is replaced with cement. The polypropylene fiber reinforced blended concrete tiles of size 300mm x 300mm x 30mm are cast as per the code and tested at 28 days curing period. Flexural strength, Abrasion test, Dimensional quality and water absorption are studied. Among different proportion of Polypropylene Fiber Reinforced Blended Concrete, the best performance is achieved by the combination of 15% of Rice Husk Ash with 0.6% of Polypropylene Fiber.  

scholarly journals Rice husk ash as an indigenous construction material in building process, a statistical evaluation

2021 ◽  
Vol 1 (1) ◽  
pp. 028-038
Author(s):  
Ndubuisi Micheal Odoanyanwu ◽  
Ifeanyichukwu Hyginus Ivoke ◽  
Maduabuchi Vitalis Irouke
Keyword(s):  
Production Process ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Process Analysis ◽  
Construction Material ◽  
Climatic Conditions ◽  
Estimation Methods ◽  
Confidence Estimation ◽  
Missing Value ◽  
Value Analysis

The research described the rice husk ash as an indigenous construction material used in building production process of the concrete design mix. The production process is analyzed statistically. The quality of concrete mixture is of inevitable concern to all stakeholders in the construction industry and on building production process in the zone when the climatic conditions of the zone are considered. The mix design ratio is investigated and all the prevailing construction/production practices are considered statistically to portray the experimental results in the system. The statistical tools applied in this research for clarity of the results are descriptive, normality, missing value analysis, process statistical summary and confidence estimation methods of statistics. The experimental matrix was designed using three level four factors. Twenty five (25) experimental runs was conducted the M-Estimator was used to obtain the missing value analysis, the estimate of the output parameter at each selected factor levels. The results show that all the factors selected are fit for the experimental analysis. The factors in M-estimators show that the response (Slump) can be as low as 68.8924mm and as high as 145.5352mm. In descriptive statistic, the mean for the parameters: cement, water, fine husk, coarse aggregate and slump are 242.56 kg/m3, 6.00 kg/m3, 568.56 kg/m3, 111544 kg/m3 and 110.84mm respectively. The tools portray the necessary information in the data to understand what the data information for further experimental process analysis.

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