Voir plus
  • [PDF] PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME

    The morphology and microstructure of hardened pastes were investigated by scanning electron microscopy (SEM) tests. The results show that, partial substitution of burnt kaolinite clay at 900C with 15 % CaO improves the hydraulic properties of MKlime

    consulter en ligne
  • PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES

    Request PDF On Dec 1, 2008, M. TAHER and others published PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES AT DIFFERENT CALCINATION

    consulter en ligne
  • PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES

    The study of metakaolin-lime hydration process is of great interest in the field of building materials technology.This study aimed to investigate experimentally the

    consulter en ligne
  • Effect of water to binder ratio, polycarboxylate ... - ScienceDirect

    2022.12.15  Metakaolin-air lime (MK-AL) composite material as a kind of hydraulic lime, the initial fluidity, macroscopic rheological properties, viscoelasticity and

    consulter en ligne
  • Performance of lime-metakaolin pastes using gravel wash mud

    2020.11.1  The performance of ternary binders using lime, metakaolin (MK) and gravel wash mud (GWM) powders is studied for the development of novel lime-pozzolan

    consulter en ligne
  • Effect of water to binder ratio, polycarboxylate ... - ScienceDirect

    2022.12.15  Metakaolin-air lime (MK-AL) composite material as a kind of hydraulic lime, the initial fluidity, macroscopic rheological properties, viscoelasticity and

    consulter en ligne
  • Comprehensive study on mechanical properties of lime-based

    2014.10.1  Altogether nine different compositions of lime-based pastes were prepared and investigated. The first paste (L) consisted of pure lime and it was used as

    consulter en ligne
  • Evaluation of the mechanical properties of high-strength

    2020.7.8  Abstract. This paper presents a wide experimental study, in which it evaluates the performance of high-strength paste exposed to elevated temperatures up

    consulter en ligne
  • Metakaolin as cementitious material: History, scours, production

    2013.4.1  Metakaolin physical properties and chemical composition Some of the physical properties of MK are given in Table 11 [248]. The major constituents of MK are

    consulter en ligne
  • Mechanical properties, phase composition and microstructure of ...

    2016.7.7  Abstract. In the present paper mechanical properties, microstructure and phase composition of binder produced by mixing Metakaolin (MK) and slaked lime in 4:1

    consulter en ligne
  • The effect of dehydroxylation/amorphization degree on pozzolanic ...

    2003.3.1  The effect of Metakaolinization on the thermal and physicochemical properties of Badau Belitung kaolin is presented. ... AbstractIn order to evaluate the pozzolanic activity of metakaolin, several pastes were prepared, by mixing metakaolin with hydrated lime, in different ratios. The pastes were stored in standard

    consulter en ligne
  • PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES

    Request PDF On Dec 1, 2008, M. TAHER and others published PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES AT DIFFERENT CALCINATION TEMPERATURES OF KAOLINITE CLAY Find, read and cite all ...

    consulter en ligne
  • Nano-TiO2 in Hydraulic Lime–Metakaolin Mortars for Restoration ...

    2019.11.19  PDF In recent years, lime mortars mixed with artificial or natural pozzolans are commonly used in restoration applications. The aim of this work is... Find, read and cite all the research you ...

    consulter en ligne
  • Performance of lime-metakaolin pastes using gravel wash mud

    2020.11.1  The performance of ternary binders using lime, metakaolin (MK) and gravel wash mud (GWM) powders is studied for the development of novel lime-pozzolan pastes. This study examines the influence of varying mixture proportions using different types and compositions of lime powders and GWM at different treatment levels on the

    consulter en ligne
  • Metakaolin SpringerLink

    2017.12.9  Metakaolin (MK) is known to be a highly pozzolanic material that can be used in concrete. MK is usually produced by heating kaolin-containing clays, within the temperature range of about 600–900 ℃. This chapter summarizes the utilization of metakaolin in relevant worldwide standards, mainly in Europe and North America.

    consulter en ligne
  • PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES

    CaO improves the hydraulic properties of MK- lime pastes. Keywords: Metakaolin, Pozzolan, Kaolin, Lime. Abbreviations: C:CaO ; S:SiO 2; H:H 2 O ; A:Al 2 O 3; F:Fe 2 O 3; CH: Ca(OH) 2 Corresponding Author: M.A.Taher E-mail Address: mahmoudtaher@hotmail Introduction The hydraulic reactivity of some artificial

    consulter en ligne
  • CO2 Uptake and Physicochemical Properties of Carbonation

    2020.10.19  CO 2 Uptake and Physicochemical Properties of Carbonation-Cured Ternary Blend Portland Cement–Metakaolin–Limestone Pastes. Rizwan Hameed, 1 Joonho Seo, 1 Solmoi Park, 2 Issam T. Amr, 3 and H.K ... The CO 2 uptake and physicochemical properties of the blends under various combinations of ambient and carbonation curing

    consulter en ligne
  • Buildings Free Full-Text Nano-TiO2 in Hydraulic Lime–Metakaolin ...

    2019.10.21  In recent years, lime mortars mixed with artificial or natural pozzolans are commonly used in restoration applications. The aim of this work is the assessment of carbonation, pozzolanic reaction, setting time, and mechanical properties of metakaolin–lime mortars mixed with crystalline nano-titania (nT) as additive. The

    consulter en ligne
  • Pozzolanic properties of brick powders and their effect on the ...

    2016.9.1  It increases the strength of lime mortars modified by metakaolin, and thus high metakaolin content should ensure high strength in such mortars. The authors detected the presence of C 4 AH 13 in the investigated pastes only until 28 days after the pastes began curing: subsequently, Ca 2 Al(OH) 7 6.5H 2 O was formed and the content of Ca

    consulter en ligne
  • Evaluation of Pozzolanic Activity and Physico-mechanical ...

    2006.4.1  Metakaolin (MK) has emerged as a highly promising supplementary material in low carbon binders for the construction industry. In wide range of applications, from lime to cement–based materials ...

    consulter en ligne
  • Study of rheological properties of lime–metakaolin slurries

    2021.12.1  Lime–kaolin residue (metakaolin) slurries were rheologically characterized by high stress flow, low strain oscillatory, and creep and relaxation tests. All lime and lime–metakaolin slurries presented flow curves with rheological behavior, which is well fitted by the Herschel–Bulckley model. In addition, they exhibited a predominantly ...

    consulter en ligne
  • Article Properties of Geopolymers Based on Metakaolin and Soda-Lime

    Abstract: The paper determines the properties of geopolymer pastes based on metakaolin and soda-lime waste glass. The density, alkaline activity, strength and microstructure of the reference geopol-ymer, as well as geopolymers with a 10%, 30% and 50% soda-lime waste glass content instead of metakaolin, were tested. The experimental results ...

    consulter en ligne
  • PHYSICOCHEMICAL PROPERTIES OF METAKAOLIN-LIME PASTES

    The study of metakaolin-lime hydration process is of great interest in the field of building materials technology.This study aimed to investigate experimentally the physicochemical properties of pastes containing metakaolin (MK) and lime as activator. MK was produced by calcining Kalabsha kaolinite clay (Aswan, Egypt) at different calcination temperatures

    consulter en ligne
  • Pozzolanic activity of natural pozzolan–lime pastes and ... - Springer

    2018.8.14  Nežerka V, Slížková Z, Tesárek P, Plachý T, Frankeová D, Petráňová V. Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust. Cem Concr Res. 2014;64:17–29. Article CAS Google Scholar Ubbriaco P, Tasseli F. A study of the hydration of lime-pozzolan binders.

    consulter en ligne
  • Mechanical properties, phase composition and microstructure

    2016.7.7  In the present paper mechanical properties, microstructure and phase composition of binder produced by mixing Metakaolin (MK) and slaked lime in 4:1 proportion by weight have been studied. Anhydrous Gypsum was mixed as an activator in different percentages of 0%, 5%, 10%, 15% and 20% by weight of the binder. The study

    consulter en ligne
  • Determination of the pozzolanic activity of fluid ... - ScienceDirect

    2003.7.1  Spent fluid catalytic cracking catalyst (FC3R) from a petrol refinery played a pozzolanic role in portland cement system as revealed by previous experimental data. In the present study, the pozzolanic activity of FC3R was investigated by means thermogravimetry (TG) of cured lime–FC3R pastes. The influence of pozzolan/lime ratio on the pozzolanic

    consulter en ligne
  • Comprehensive study on mechanical properties of lime-based pastes

    2014.10.1  Semantic Scholar extracted view of "Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin ... {Neerka2014ComprehensiveSO, title={Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust}, author={V{\'a}clav

    consulter en ligne
  • (PDF) Properties of Metakaolin Concrete - A Review

    2015.9.15  Background M devi [3] emphasized Metakaolin as partial replacement of cement at 5%, 10%, 15%, 20% by weight of cement in concrete having quarry dust as fine aggregate and find out the effect of ...

    consulter en ligne
  • [PDF] CO2 Uptake and Physicochemical Properties of

    2020.10.1  The test results showed that the increasing amount of metakaolin and limestone enhanced the CO2 uptake, reaching 20.7% for the sample with a 45% cement replacement level at 27 d of carbonation. Meanwhile, the compressive strength of the samples was reduced up to 65% upon excessive incorporation of metakaolin and

    consulter en ligne
  • Microstructural characteristics of lime-pozzolan pastes made

    2014.4.8  Lime-pozzolan mortars are often used in restoration of historical buildings. In this paper pastes prepared with hydrated lime and metakaolin from kaolin production wastes were examined in order to verify the performance of this waste as a pozzolanic material in mixes containing hydrated lime. Some specimens were cured in moist air and

    consulter en ligne