Usòrò:Fly Ash FHWA dot gov.jpg

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NkówáFly Ash FHWA dot gov.jpg	English: Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification. Fly ash is typically finer than portland cement and lime. Fly ash consists of silt-sized particles which are generally spherical, typically ranging in size between 10 and 100 micron (see Figure). These small glass spheres improve the fluidity and workability of fresh concrete. Fineness is one of the important properties contributing to the pozzolanic reactivity of fly ash. Français : Les cendres volantes sont généralement plus fines que le ciment portland ou la chaux. Une grande partie des particules qui composent ces cendres sont de la taille de celle d'un limon argileux, mais généralement sphérique, mesurant de 10 à 100 microns, incluant de petites sphères qui améliorent la fluidité et la maniabilité du béton frais auquel on a ajouté ces cendres. La petite taille de ces particules expliquent certaines de leurs propriétés qui contribuent à la réactivité pouzzolanique des cendres volantes
Ǹgụ́ụ̀bọ̀chị̀	14 Julaị 2006
Mkpọlọ́gwụ̀	http://www.fhwa.dot.gov/PAVEMENT/recycling/fach01.cfm
Odé ákwụ́kwọ́	United States Department of Transportation - Federal Highway Administration
Ọdà (Í jí kwá usòrò nke)	US government: United States Department of Transportation - Federal Highway Administration

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	Èhì/Ogè	Mbọ-aka	Ógólógó na asaá	Òjìème	Nkwute
dị ùgbu â	23:35, 23 Maachị 2009		347 × 274 (22 KB)	Shinkolobwe	{{Information \|Description={{en\|1=Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification. Fly ash is typically finer than portland cement and lime. Fly ash consists of silt-sized particles which are gener

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