Study on effect of natural and ground Rice-Husk Ash concrete

Ponmalar, V.; Abraham, Ranjan

doi:10.1007/s12205-014-2019-4

Cited by 15 publications

(6 citation statements)

References 18 publications

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“…The use of RHA shows decrease in workability of the concrete because of rough surface [11]. But improvement shows in durability because of existence of reactive silica in RHA [12][13][14][15][16]. Hence it enhances the life of concrete structure [17,18].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Environmental Impact and Formation Factor for Triple Blend Concrete

Kanthe

Deo

Murmu

2020

IJEE

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The assessment of environmental impact on concrete is an important aspect for its durability. The use of supplementary cementitious materials (SCMs) in the concrete can be enhanced the durability. This makes concrete sustainable and reduced environmental issues. In this research paper illustrate the experimental study on the performance of triple blend concrete made up of fly ash (FA) and rice husk ash (RHA) along with ordinary Portland cement (OPC). The current research the concrete composition was used as 20, 30 and 40% cement replacement by FA and RHA. The durability properties such as ultrasonic pulse velocity (UPV), electrical resistivity (ER), water absorption and carbonation depth of triple blend concrete were determined, and for microstructure performance formation factor and Scanning Electron Microscope (SEM) were performed. The improvement in durability was observed up to 40% replacement of cement. The durability of concrete improves with increase in formation factor. The SEM images proved the improvement in particle packing of concrete.

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Section: Introductionmentioning

confidence: 99%

Assessment of Environmental Impact and Formation Factor for Triple Blend Concrete

Kanthe

Deo

Murmu

2020

IJEE

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“…Scanning electron microscopy (SEM) and Transmission Electron Microscope (TEM) on selected samples of RHA showed that RHA has a three-layered structure that is inner, outer, and interfacial with honeycombed and interstitial pores [29]. [76] also confirmed that RHA has irregular-shaped particles with a sizable fraction showing a porous cellular structure. These pores are the main reason for the very large specific surface area and very high chemical activity of RHA.…”

Section: Microstructure Of Rha and Ssamentioning

confidence: 86%

Rice husk and snail shell ash as partial replacement of ordinary Portland cement in concrete – A review

Alhassan,

Aboshio,

Uche

2024

Nig. J. Tech.

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This paper examines studies on the use of rice husk ash (RHA) and snail shell ash (SSA) as partial Ordinary Portland cement (OPC) replacements in concrete and their effects on concrete properties. RHA contains over 80% amorphous silica, along with other oxides in small quantities. Scanning electron microscopy (SEM) analysis showed that RHA has irregularly shaped particles with a porous, cellular structure. Similarly, chemical analysis of SSA revealed it contains over 60% active calcium oxide with minor oxides, and SEM analysis showed it has irregular semi-spherical particles with porous surfaces. The replacement of cement with RHA led to improved mechanical and durability properties in concrete, although workability was reduced. RHA also demonstrated resistance to chloride penetration. Combining RHA and SSA has the potential to produce stronger, more durable concrete, and could replace cement in high volumes in concrete production.

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“…To be able to declare the sustainability of a building it is necessary to declare how environmentally friendly a product is, and it can be measured by EPDs. EPD is based on life-cycle assessments (LCA) of environmental data from raw material withdrawal, production, use phase and disposal [37,38].…”

Section: Regulations and Measuresmentioning

confidence: 99%

Sustainable Concrete: A Review

Javadabadi¹,

Kristiansen²,

Redie³

et al. 2019

IJSCER

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The demand for cement and concrete is highly increasing due to urbanization and increase in the world's population. Portland cement production releases substantial amounts of greenhouse gases (GHGs) into the atmosphere, which is causing the climate change. Furthermore, cement and concrete industries consume a large amount of energy and natural resources. Therefore, it is important to develop new methods to overcome the challenges created by these products. The purpose of this paper is to make a review of opportunities for achieving sustainable cement and concrete industry. Using supplementary cementitious materials as partial replacement of cement, is one of the main opportunities to reduce the amount of cement usage in concrete. The paper also reviews other factors that can increase sustainability of cement and concrete industry, which include utilizing recycled aggregates and other recycled materials, optimize concrete mix design, structural optimization, replacement of fossil fuels, carbon capture and storage, increasing durability of concrete, extending the service life of existing infrastructures, water management, implementing regulations as well as other opportunities such as carbonation, alternative binders, energy storage and energy harvesting. These solutions can play an important role in producing more sustainable concrete and thus, reducing GHG emissions, conserving natural resources, decreasing wastes and conserving energy. 

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Study on effect of natural and ground Rice-Husk Ash concrete

Cited by 15 publications

References 18 publications

Assessment of Environmental Impact and Formation Factor for Triple Blend Concrete

Assessment of Environmental Impact and Formation Factor for Triple Blend Concrete

Rice husk and snail shell ash as partial replacement of ordinary Portland cement in concrete – A review

Sustainable Concrete: A Review

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