2013
DOI: 10.1155/2013/606524
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Effect of Metakaolin on Strength and Efflorescence Quantity of Cement‐Based Composites

Abstract: 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, 20, and 25% by weight of cement) and exposed to various environments. Compressive strength and efflorescence quantify (using Matrix Laboratory image analysis and the curettage method), scanning electron microscopy, and X-ray diffraction analysis were reported… Show more

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Cited by 44 publications
(15 citation statements)
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“…The use of industrial by-product such as FA, silica fume (SF), ground granulated blast furnace slag (GGBS), metakaolin, bottom ash, and quarry fines, in the development of sustainable materials has substantially reduced pollution [16][17][18][19][20]. In southeast Asian countries such as Malaysia, Thailand, and Indonesia, the abundance of waste materials such as RHA, POFA, FA, GGBS, oil palm shell (OPS), and palm oil clickers has given right platform for researchers to explore the possibility of converting these wastes into potential construction materials [21][22][23][24][25][26].…”
Section: Introductionmentioning
confidence: 99%
“…The use of industrial by-product such as FA, silica fume (SF), ground granulated blast furnace slag (GGBS), metakaolin, bottom ash, and quarry fines, in the development of sustainable materials has substantially reduced pollution [16][17][18][19][20]. In southeast Asian countries such as Malaysia, Thailand, and Indonesia, the abundance of waste materials such as RHA, POFA, FA, GGBS, oil palm shell (OPS), and palm oil clickers has given right platform for researchers to explore the possibility of converting these wastes into potential construction materials [21][22][23][24][25][26].…”
Section: Introductionmentioning
confidence: 99%
“…Visando avaliar o impacto do tempo de cura e do tempo de exposição ao ensaio acelerado na formação de eflorescência, Yao et al [20] Weng et al [8] moldaram CPs de 150x150x30mm e, devido à incerteza da melhor maneira de acelerar a formação de eflorescência, submeteram estes CPs a outras três diferentes condições de ensaio e perceberam que houve maior aparecimento de eflorescências em temperaturas baixas (condição c). a) Condição 1: ambiente com 25ºC e 85% de umidade; b) Condição 2: ambiente com 100% de saturação de dióxido de carbono, 100ºC e 90% de umidade; c) Condição 3: ambiente com temperatura entre -5ºC e 0ºC e 20% de umidade.…”
Section: Revisão Bibliográfica 31 Ensaios Aceleradosunclassified
“…Outros autores, como Farreira e Bergmann [26], Vázquez et al [27] , Weng et al [8] e Kang e Kwon [22], quantificaram a formação de eflorescência utilizando softwares de análise de imagem, como Image Tools 3.0, Geojars-10, METLAB e Paint.net, respectivamente.…”
Section: Quantificação Da Eflorescênciaunclassified
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