METAKAOLIN BASED GEOPOLYMER CONCRETE MIX DESIGN

Characteristics of metakaolin-based geopolymer concrete ...

Jan 01, 2021  However, the effect of the mix design parameters on the behavior of geopolymer concrete (GPC) produced using local metakaolin (MK) is not well established. This paper presents findings from a comprehensive experimental program to study the effect of various mix design parameters on the properties of fresh and hardened MK-based GPC.

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METAKAOLIN BASED GEOPOLYMER CONCRETE MIX DESIGN

metakaolin based geopolymer concrete mix design suitable for reinforced concrete use Geopolymer concrete (GPC) has no mix design code to guide in the choice of material proportions for specific compressive strengths, its properties have not been fully understood especially in Nigeria despite being blessed with abundant geopolymer Al-Si source ...

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Mix design factors and strength prediction of metakaolin ...

Oct 01, 2017  To enhance reliability of the statistical analyses, another 36 metakaolin-based geopolymer mixes using sodium-based alkali as the activator with complete information of mix design parameters and the corresponding value of compressive strength were collected from literature as shown in Table A1 in the Appendix, , , , , , . Overall, a set of 71 ...

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Design Mix Formulation and Optimization of Metakaolin ...

Design Mix Formulation and Optimization of Metakaolin Based Alkali Activated Geopolymer Concrete with the Taguchi Method Okovido J. O.1 and Yahya I. A.2 1Department of Civil/Structural Engineering, Faculty of Engineering, University of Benin, Benin City, Nigeria

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Design method for the mix proportion of geopolymer ...

Sep 20, 2019  In this paper, a method for the mix proportion of the geopolymer concrete was proposed based on the paste thickness of coated aggregate and the close packing theory. In this method, the water-to-metakaolin ratio was selected based on the minimum water requirement method.

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Design Mix Formulation and Optimization of Metakaolin ...

Design Mix Formulation and Optimization of Metakaolin Based Alkali Activated Geopolymer Concrete with the Taguchi Method Okovido J. O.1 and Yahya I. A.2 1Department of Civil/Structural Engineering, Faculty of Engineering, University of Benin, Benin City, Nigeria

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Design method for the mix proportion of geopolymer ...

Sep 20, 2019  In this paper, a method for the mix proportion of the geopolymer concrete was proposed based on the paste thickness of coated aggregate and the close packing theory. In this method, the water-to-metakaolin ratio was selected based on the minimum water requirement method.

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Study on Metakaolin and Fly Ash Based Geopolymer Concrete

Study on Metakaolin and Fly Ash Based Geopolymer Concrete Veerabhadrayya Mathapati Assistant Prof, Dept. of civil engineering ... optimize ratio and mechanical properties of metakaolin based on concrete and compare with conventional mix .From the ... Materials used for concrete mix MIX DESIGN A. PARAMETERS FOR MIX DESIGN: • Target Strength ...

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Effect of metakaolin-based geopolymer concrete on the ...

Feb 14, 2021  Drying shrinkage strain in metakaolin-based geopolymer concrete (GPC) is less than it in Portland cement concrete (PCC) by 58%. 4. Metakaolin-based geopolymer concrete (GPC) presented better performance regarding drying shrinkage than slag or fly ash-based geopolymer concrete by reducing drying shrinkage at age of 56 days by 26.6%. 5.

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Experimental study on metakolin and baggashe ash based ...

Jan 01, 2021  In this experimental study, the bagasse ash and metakaolin is used to develop the geopolymer concrete. The fly ash based geopolymer concrete was prepared with bagasse ash and metakaolin which were used to replace fly ash at different percentages i.e., 10%, 20%, 30%, and 40% to study the microstructure, mechanical and durability properties.

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Physical mechanical properties of fiber reinforced ...

Aug 10, 2020  In this paper, mechanical and physical properties of GPC reinforced with different fiber types (Polypropylene or PP, 2-part PP, 4-part polyolefin) and volume content (0.15, 0.2 and 0.25%) is investigated. Initially, an experimental campaign on the various effective parameters of metakaolin-based GPC is performed to find the optimal mix design.

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A Mix Design Procedure for Alkali-Activated High-Calcium ...

Also, Lahoti et al. studied the mix design factor and strength prediction of metakaolin-based geopolymer, but it was just a study on the basic properties of the geopolymer made from metakaolin which were not applicable for other raw materials such as fly ash and slag.

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Top PDF Microstructural, mechanical and pozzolanic ...

Microstructural, mechanical and pozzolanic characteristics of metakaolin-based geopolymer The early benefits of geopolymers were in the ar- eas of thermal resistant applications and fireproof- ing. In recent times, research on geopolymers has shifted its focus towards its use as a

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Experimental investigation of high temperature effect on ...

ash paste increased as compared to metakaolin based geopolymer paste at elevated temperature of 800°C, indicating difference in pore structure between two materials. Cheng Chiu (Cheng Chiu, 2003) used combination of metakaolin and ground granu-lated slag in geopolymer concrete and exposed it to elevated temperature.

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Effects of bentonite, diatomite and metakaolin on the ...

12 小时前  The use of 5–10% metakaolin by mass of cement could increase the compressive strength by 45% at 7 d, compared to the control without metakaolin. According to Chen et al. [22] , the presence of diatomite enhanced static yield stress and elastic modulus of sulfoaluminate cement and thus reduced structural deformation of 3D printed sample.

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Application of artificial neural networks and multiple ...

Jul 23, 2021  Yeh et al. 26 were the first to develop a neural network model to discover the relationship between High Performance Concrete (HPC) mix design

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Geo-Polymer Concrete using Metakaolin , Fly-Ash and their ...

Mix design . Fly-ash based concrete . The mix design in the case of geopolymer concrete is based on conventional concrete with some modifications.In case of normal concrete for the required strength material properties can be found using code.But in case of geopolymer concrete . International Journal of Engineering Research Technology (IJERT)

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Effect of metakaolin-based geopolymer concrete on the ...

Feb 14, 2021  Drying shrinkage strain in metakaolin-based geopolymer concrete (GPC) is less than it in Portland cement concrete (PCC) by 58%. 4. Metakaolin-based geopolymer concrete (GPC) presented better performance regarding drying shrinkage than slag or fly ash-based geopolymer concrete by reducing drying shrinkage at age of 56 days by 26.6%. 5.

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Influence of Critical Parameters of Mix Proportions on ...

Sep 29, 2020  This study investigates the properties of metakaolin-based geopolymer concrete by employing various mix design parameters based on locally sourced materials. The test results reported herein comprised 16 mixes divided into three groups to understand the influence of various parameters on the workability and compressive strength of the concrete ...

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Preparation and Properties of Alkali Activated Metakaolin ...

Sep 08, 2016  Abstract: The effective activation and utilization of metakaolin as an alkali activated geopolymer precursor and its use in concrete surface protection is of great interest. In this paper, the formula of alkali activated metakaolin-based geopolymers was studied using an orthogonal experimental design.

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Optimization of Geopolymer Concrete Based on Local Iraqi ...

than normal concrete. Geopolymer is manufactured by using aluminate and silicate compounds that react with alkaline material (sodium hydroxide and sodium silicate or potassium hydroxide with potassium silicate). This paper presents an optimization for mix design purposes for Iraqi Metakaolin based Geopolymer concrete.

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Mechanical And Microstructural Properties of Fly Ash based ...

Feb 12, 2020  The fly ash based geopolymer concrete was prepared with bagasse ash and metakaolin which were used to replace fly ash at different percentages i.e. 10%, 20%, 30% and 40% to study the microstructure, mechanical and durability properties. Geopolymer Concrete was prepared with the use of alkaline solutions NaOH and Na2Sio3.

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A Mix Design Procedure for Alkali-Activated High-Calcium ...

Also, Lahoti et al. studied the mix design factor and strength prediction of metakaolin-based geopolymer, but it was just a study on the basic properties of the geopolymer made from metakaolin which were not applicable for other raw materials such as fly ash and slag.

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Establishing a Mix Design Procedure for Geopolymer Concrete

geopolymer concrete. What has been missing is the combination of this research in a way that would allow use of geopolymer concrete as a replacement to concrete based on Ordinary Portland Cement. This dissertation addresses this requirement for a standard mix design for geopolymer concrete.

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MIX DESIGN OF FLY-ASH BASED GEOPOLYMER CONCRETE

proposed the mix design procedure for production of fly ash based geopolymer concrete whereas Anuradha [1] have presented modified guidelines for mix design of geopolymer concrete using Indian standard code. As geopolymer concrete is a new material in which cement is totally replaced by fly ash and activated by alkaline solutions.

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Recipe Geopolymer – Torus Dome

Jun 15, 2011  Geopolymer cement notes. The making of alkaline solution: *12 hr before mixing, slowly! dissolve 320gm sodium hydroxide (pure lye, as in a drain cleaner) into a liter of water. This should be stirred in slowly, with care, wearing gloves and goggles as it is very caustic. This mix will generate some heat while dissolving.

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Microstructural Properties of Alkali-Activated Metakaolin ...

Feb 29, 2020  This paper presents a study on the use of alkali-activated metakaolin (MK) and Bottom Ash (BA) blend in geopolymer concrete. A preliminary attempt was made on alkali-activated metakaolin and bottom ash-based geopolymer (MK–BA-GPM) mortar with river sand as fine aggregate to find a suitable mix to produce geopolymer concrete (GPC). The liquid alkaline activator is a

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Top PDF Microstructural, mechanical and pozzolanic ...

Microstructural, mechanical and pozzolanic characteristics of metakaolin-based geopolymer The early benefits of geopolymers were in the ar- eas of thermal resistant applications and fireproof- ing. In recent times, research on geopolymers has shifted its focus towards its use as a

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(PDF) FLEXURAL BEHAVIOUR OF REINFORCED GEOPOLYMER CONCRETE ...

14. Macgregor J.G., “Reinforced Concrete Mechanics and Design”, 3rd edition, Prentice Hall, New Jersey, 198. 15. B. Sarath Chandra Kumar and K. Ramesh, “An Experimental Investigation on Flexural Behavior of GGBS and Metakaolin Based Geopolymer Concrete”.

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Uncovering the Origins of Strength in Geopolymer ...

Influence of pore structure on the strength behavior of particle- and fiber reinforced metakaolin-based geopolymer composites. Cement and Concrete Composites volume 104 (2019) 103361. Go To Cement and Concrete Composites

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