Clean production and properties of geopolymer concrete; A

Clean production and properties of geopolymer concrete; A ...

Apr 01, 2020  Geopolymer concrete has a distinguished property of being reduced the use of vibration and cement. • The main function of developing geopolymer concrete is to reduce the emissions of CO 2 in the atmosphere.. The rate of strength development of geopolymer concrete is mainly relied on the source of material and alkaline activators.

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Clean production and properties of geopolymer concrete; A ...

Clean production and properties of geopolymer concrete; A review Author: Amran, Y.H. Mugahed, Alyousef, Rayed, Alabduljabbar, Hisham, El-Zeadani, Mohamed ... GeoPC concrete has the advantage of cement replacement with supplementary cementitious materials that are combined with alkali activated solutions. GeoPC is a relatively new, innovative ...

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Clean production and properties of geopolymer concrete; A ...

Clean production and properties of geopolymer concrete; A review. The incessant production of cement has increased the amount of CO2 being released into the atmosphere; thus, aggravating the issue of global warming which has an adverse effect on the environment. Therefore, a more sustainable approach and a careful review of the existing ...

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Clean Production and Properties of Geopolymer Concrete ...

Clean production and properties of geopolymer concrete_compressed - Read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menu

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Fly ash-based geopolymer: Clean production, properties and ...

Jul 01, 2016  title = "Fly ash-based geopolymer: Clean production, properties and applications", abstract = "Fly ash is the fine solid particulate residue driven out of the boiler with the flue gases in coal-fired power plants. Now it can be used for making geopolymer which acts as a cement-like product. The geopolymer technology provides an alternative good ...

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Geopolymer Concrete - Properties, Composition and Applications

Nov 21, 2014  Mechanical Properties of Geopolymer Concrete. Compressive strength of geopolymer concrete have been found up to 70 MPa (N/mm 2 ). The concrete gains its compressive strength rapidly and faster than ordinary Portland cement concrete. The concrete strength after 24 hours have been found to be more than 25 MPa. Compressive strength after 28 days ...

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Manufacture of full-scale geopolymer cement concrete ...

cement concrete, geopolymer cement concrete presents the possibility of reducing CO 2 emissions using current technology, for example by using waste heat for curing or manufacturing activating chemicals with energy from renewable or CO 2-neutral sources. Figure 1. Precast geopolymer cement concrete house.

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Clean Production and Properties of Geopolymer Concrete ...

Clean production and properties of geopolymer concrete_compressed - Read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menu

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Fly ash-based geopolymer: Clean production, properties and ...

title = "Fly ash-based geopolymer: Clean production, properties and applications", abstract = "Fly ash is the fine solid particulate residue driven out of the boiler with the flue gases in coal-fired power plants. Now it can be used for making geopolymer which acts as a cement-like product. The geopolymer technology provides an alternative good ...

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Geopolymer cement and concrete: Properties - ScienceDirect

Jan 01, 2020  Production of Portland cement and consumption of concrete is continuously increasing. This will lead the mission of higher amount of CO 2 gas. In order to protect environment alternatives are required. Geopolymer is one of the most important alternatives

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Journal of Cleaner Production - ResearchGate

The geopolymer concrete (GPC) has emerged as a promising novel construction material for the production of cement and provides a clean technology option for sustainable devel- opment.

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Fly Ash-based Geopolymer: Clean Production, Properties

Wang H, Fly Ash-based Geopolymer: Clean Production, Properties and Applications, Journal of Cleaner Production (2016), doi: 10.1016/j.jclepro.2016.03.019. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript.

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Geopolymer cement and concrete: Properties Semantic Scholar

Abstract Portland cement manufacture is highly energy intensive and emits CO2 and other greenhouse gases responsible for global warming. Production of Portland cement and consumption of concrete is continuously increasing. This will lead the mission of higher amount of CO2 gas. In order to protect environment alternatives are required. Geopolymer is one of the most important alternatives to ...

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A review of properties and behaviour of reinforced ...

The geopolymer concrete (GPC) has emerged as a promising novel construction material for the production of cement and provides a clean technology option for sustainable development. This paper undertakes a review of the performance behaviour of reinforced geopolymer concrete structural elements and summarises the findings on the mechanical ...

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Sustainable Building Materials - Geopolymer Concrete

Geopolymer is an alternative to concrete. It is stronger than concrete as well as being fireproof and waterproof. Its thermal retention properties can be used for insulation, minimizing temperature differences and reducing the cost of heating and cooling. Geopolymer can be used anywhere that concrete can be used.

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Fresh And Hardened Properties Of Fly Ash Based

concentrated for commercial production of this geopolymer concrete for its specific engineering applications. It has been found that fly ash based geopolymer concrete has good engineering properties with a reduced global warming potential resulting from the total replacement of ordinary Portland cement.

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Geopolymer cement - Wikipedia

Geopolymer concrete. There is often confusion [citation needed] between the meanings of the terms 'geopolymer cement' and 'geopolymer concrete'. A cement is a binder, whereas concrete is the composite material resulting from the mixing and hardening of cement with water (or an alkaline solution in the case of geopolymer cement), and stone ...

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Experimental analysis of the mechanical properties of ...

Nov 21, 2020  The properties of geopolymer concrete are strongly dependent on the curing temperature and curing time. In 6 it was found that the higher curing temperature results in higher compressive strength. However, when the temperature is raised above 60°C, the compressive strength does not increase significantly.

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Effect of GGBS Addition on Reactivity and Microstructure ...

Mar 26, 2020  Geopolymer concrete is an eco-friendly alternate to conventional concrete that considerably lower green house gases emitting into the atmosphere. Fly ash based geopolymer concrete is reported to become hardened during heat curing process which comes as a major constraint for cast in in-situ applications. In this study, the aluminosilicate materials such as Ground Granulated

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PLAIN AND PVA FIBRE-REINFORCED GEOPOLYMER COMPACT

For more than 40 years, low calcium alkali-activated cement composite, or in other words, geopolymer, has been around. In recent years there has been increased interest in this material and its properties. It is mainly due to the claim that geopolymer is the cement of the future. This claim is based on environmental factors.

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Materials Free Full-Text Long-Term Strength ...

The production of one-part geopolymer binders involves blending of the precursor materials with granular sodium metasilicate activator for about 3 min to obtain a uniform dry geopolymer binder. Progressively, clean tap water was injected into the dry mixture at a constant water-to-binder ratio of 0.25 and stirred for another 3 min until it was ...

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Fly ash-based geopolymer: clean production, properties and ...

The production of fly ash-based geopolymer is mainly based on alkali activated geopolymerization which can occur under mild conditions and is considered as a cleaner process due to much lower CO2 emission than that from the production of cement. The geopolymerization can trap and fix the trace toxic metal elements from fly ash or external sources.

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Geopolymer Concrete - Properties, Composition and Applications

Mechanical Properties of Geopolymer Concrete. Compressive strength of geopolymer concrete have been found up to 70 MPa (N/mm 2 ). The concrete gains its compressive strength rapidly and faster than ordinary Portland cement concrete. The concrete strength after 24 hours have been found to be more than 25 MPa. Compressive strength after 28 days ...

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Geopolymer cement and concrete: Properties Semantic Scholar

Abstract Portland cement manufacture is highly energy intensive and emits CO2 and other greenhouse gases responsible for global warming. Production of Portland cement and consumption of concrete is continuously increasing. This will lead the mission of higher amount of CO2 gas. In order to protect environment alternatives are required. Geopolymer is one of the most important alternatives to ...

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Strength Characteristics of Geopolymer Concrete Floor ...

Jun 21, 2021  Geopolymer concrete floor tiles made with partial replacement or complete replacement level of cement may control the cost of the production and may also improve the durability properties. It also encourages the utilization of waste materials like fly ash for the manufacture of

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EP1689691A1 - Geopolymer concrete and method of ...

A method of forming a geopolymer moulded product comprising: forming a geopolymer concrete composition comprising an alkali or alkaline earth metal silicate component, an alkali or alkaline earth metal hydroxide, aggregate and water wherein the water content is insufficient to provide a slumped concrete and the ratio of SiO2 to M2O is at least 0.8; and casting the concrete into a mould and ...

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Developing Geopolymer Concrete Properties by Using ...

Jul 21, 2020  Geopolymer or alkali-activated concrete is considered from the green material which is characterized by the hardened state performance that demands a lower energy quantity and produces a lower carbon dioxide quantity in comparison with the ordinary concrete in the production state .

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Fresh And Hardened Properties Of Fly Ash Based

concentrated for commercial production of this geopolymer concrete for its specific engineering applications. It has been found that fly ash based geopolymer concrete has good engineering properties with a reduced global warming potential resulting from the total replacement of ordinary Portland cement.

get price

Experimental analysis of the mechanical properties of ...

Nov 21, 2020  The properties of geopolymer concrete are strongly dependent on the curing temperature and curing time. In 6 it was found that the higher curing temperature results in higher compressive strength. However, when the temperature is raised above 60°C, the compressive strength does not increase significantly.

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Geopolymer cement - Wikipedia

Geopolymer concrete. There is often confusion [citation needed] between the meanings of the terms 'geopolymer cement' and 'geopolymer concrete'. A cement is a binder, whereas concrete is the composite material resulting from the mixing and hardening of cement with water (or an alkaline solution in the case of geopolymer cement), and stone ...

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Geopolymer - Wikipedia

Production of geopolymer cement requires an aluminosilicate precursor material such as metakaolin or fly ash, a user-friendly alkaline reagent (for example, sodium or potassium soluble silicates with a molar ratio MR SiO 2:M 2 O ≥ 1.65, M being Na or K) and water (See the definition for "user-friendly" reagent below). Room temperature hardening is more readily achieved with the addition of a ...

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Mechanical and fracture properties of steel fiber ...

[4] Amran YHM, Alyousef R, Alabduljabbar H, El-Zeadani M. Clean production and properties of geopolymer concrete; a review. J Clean Prod. 2020;251:119679. Search in Google Scholar [5] Moradikhou AB, Esparham A, Avanaki MJ. Physical mechanical properties of fiber reinforced metakaolin-based geopolymer concrete. Constr Build Mater. 2020;251:118965.

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Use of geopolymer concrete for a cleaner and sustainable ...

In addition to that, the microstructure of GPC and OPC concrete have been investigated to understand the internal structure of GPC and evaluate its engineering properties such as strength and durability etc. Review of literature revealed that the production of geopolymer concrete requires great care and correct material composition.

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Alternative Concrete – Geopolymer Concrete - Materials ...

Alternative Concrete – Geopolymer Concrete. $ 75.00. The general aim of this book is to make significant contributions in understanding and deciphering the mechanisms of the realization of the alkali-activated fly ash-based geopolymer concrete. Alternative Concrete – Geopolymer Concrete, color print, paperback quantity.

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Review of availability of source materials for geopolymer ...

Geopolymer concrete can reach more than 85% of its final compressive strength within 48 h (Al Bakri et al., 2011), creating operational efficiencies during production. Furthermore, geopolymer concrete has superior durability relative to OPC. The resistance under high elevated heat is higher than conventional concrete (Kong and Sanjayan, 2010).

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