File:Fly Ash FHWA dot gov.jpg
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Fly_Ash_FHWA_dot_gov.jpg (347 × 274 pixels, file size: 22 KB, MIME type: image/jpeg)
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PAWAN KUMAR SAINI बानसूर,अलवर,राजस्थान,301402
Summary
[edit]DescriptionFly Ash FHWA dot gov.jpg |
English: Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification.
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 |
Date | |
Source | http://www.fhwa.dot.gov/PAVEMENT/recycling/fach01.cfm |
Author | United States Department of Transportation - Federal Highway Administration |
Permission (Reusing this file) |
US government: United States Department of Transportation - Federal Highway Administration |
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[edit]Public domainPublic domainfalsefalse |
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This image is a work of a United States Department of Transportation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:35, 23 March 2009 | ![]() | 347 × 274 (22 KB) | Shinkolobwe (talk | contribs) | {{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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