جستجو در تالارهای گفتگو

Cement and Concrete Nanoscience and Nanotechnology Laila Raki *, James Beaudoin, Rouhollah Alizadeh, Jon Makar and Taijiro Sato National Research Council Canada, Institute for Research in Construction / 1200 Montreal Road, Bldg M-20, Ottawa, Ontario K1A 0R6, Canada; E-Mails: jim.beaudoin@nrc-cnrc.gc.ca (J.B.); rouhollah.alizadeh@nrc-cnrc.gc.ca (R.A.); jon.makar@nrc-cnrc.gc.ca (J.M.); taijiro.sato@nrc-cnrc.gc.ca (T.S.) * Author to whom correspondence should be addressed; E-Mail: laila.raki@nrc-cnrc.gc.ca; Tel. (613) 991-2612; Fax: (613) 954-5984. Received: 24 December 2009; in revised form: 27 January 2010 / Accepted: 28 January 2010 / Published: 3 February 2010 Abstract: Concrete science is a multidisciplinary area of research where nanotechnology potentially offers the opportunity to enhance the understanding of concrete behavior, to engineer its properties and to lower production and ecological cost of construction materials. Recent work at the National Research Council Canada in the area of concrete materials research has shown the potential of improving concrete properties by modifying the structure of cement hydrates, addition of nanoparticles and nanotubes and controlling the delivery of admixtures. This article will focus on a review of these innovative achievements. Keywords: nanotechnology; concrete; cement; C-S-H; controlled release; carbon nanotubes; nanoparticles به نقل از کانال تلگرام civilca دانلود از پیوست نانو در سیمان و بتن.pdf