Results 91 to 100 of about 7,231 (151)

A novel method for evaluating bonding performance and mechanical properties of steel fiber concrete containing metakaolin [PDF]

open access: yesمهندسی و مدیریت ساخت
In recent years, metakaolin is used in concrete to improve the short-term and long-term properties of concrete. Considering the importance of compressive strength and bonding between concrete and rebar in reinforced concrete structures, a new method for ...
Seyed Mohammad Farnam   +3 more
doaj  

New selective dissolution process to quantify reaction extent and product stability in metakaolin-based geopolymers [PDF]

open access: yes, 2019
A selective dissolution process is developed that can quantify the amount of soluble material, geopolymer gel and remnant unreacted precursor in metakaolin-based geopolymer systems and determine the nanostructural features of the raw materials and ...
Zhang, Zuhua   +11 more
core   +1 more source

Effect of Metakaolin on Strength and Efflorescence Quantity of Cement-Based Composites

open access: yesThe Scientific World Journal, 2013
This study investigated the basic mechanical and microscopic properties of cement produced with metakaolin and quantified the production of residual white efflorescence. Cement mortar was produced at various replacement ratios of metakaolin (0, 5, 10, 15,
Tsai-Lung Weng, Wei-Ting Lin, An Cheng
doaj   +1 more source

Effect of Eggshell Powder on Sulfate Resistance of Metakaolin Cement-based Materials

open access: yesTaiyuan Ligong Daxue xuebao
Purposes This work has been carried out to determine the optimal composite mix ratio of eggshell powder and metakaolin as cement replacement materials for simultaneously enhancing the compressive strength of cement mortar and the sulfate resistance of ...
HU Chunhua, MA Teng
doaj   +1 more source

Behaviour of Metakaolin Concrete in Different Curing Condition [PDF]

open access: yes, 2013
This paper presents the result of an investigation on the effect of curing condition on concrete containing Metakaolin. Concrete grade 40 was used in this research and Metakaolin is replaced from 5%, 10% and 15%.
M. N., Muhd Sidek   +3 more
core  

Preparation and Properties of Alkali Activated Metakaolin-Based Geopolymer

open access: yes, 2016
The effective activation and utilization of metakaolin as an alkali activated geopolymer precursor and its use in concrete surface protection is of great interest.
Liang Chen   +3 more
core   +1 more source

Compaction behaviour of lime-treated metakaolin

open access: yes, 2020
International audienceMetakaolin has been widely used as pozzolanic additive to improve the pozzolanic activity of lime-based products. In this study, the normal standard Proctor compaction test was performed on metakaolin with (5% lime) and without (0 ...
Cui, Yu-Jun, Tan, Yunzhi, Hu, Mozhen
core   +1 more source

Metakaolin in ultra-high-performance concrete: A critical review of its effectiveness as a green and sustainable admixture

open access: yesCase Studies in Construction Materials
The current research aims to analyze metakaolin's effectiveness as a green and sustainable admixture in ultra-high-performance concrete (UHPC). This study also focuses on addressing the knowledge gap in the previous research by comprehensively analyzing ...
Abdeliazim Mustafa Mohamed   +1 more
doaj   +1 more source

STUDY OF HYDRATION PRODUCTS IN THE MODEL SYSTEMS METAKAOLIN-LIME AND METAKAOLIN-LIME-GYPSUM

open access: yesCeramics-Silikáty, 2015
Possible preferential formation of ettringite instead of required calcium silicate hydrate (CSH) and calcium aluminosilicate hydrate (CASH) phases when aluminosilicates were added to the blended cements was investigated on the model systems comprising of metakaolin, lime and gypsum.
Matus Zemlicka   +4 more
openaire   +1 more source

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