Volume 11, Issue 1 (2011)                   MCEJ 2011, 11(1): 0-0 | Back to browse issues page

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Khanzadi1 M, Khazaeni G, Sepehri Kahrizi H. Influence of Cement Content Increase on Chloride Diffusion and Microstructure of Concretes Containing Nano-Sio2. MCEJ 2011; 11 (1)
URL: http://mcej.modares.ac.ir/article-16-7061-en.html
Abstract:   (6430 Views)
Abstract: The influence of cement content increase on corrosion resistant behavior in concretes containing nano-SiO2 was experimentally studied. For comparison, the chloride diffusion of plain concrete and the concrete containing nano-SiO2 was also experimentally studied. The test results indicated that the corrosion resistance of concretes containing nano-particles is significantly improved. However, the index of diffusion chloride ion in the concretes containing nano-SiO2 is directly related to cement content in the mix. The SEM oservations revealed that the microstructure of concrete with nano-SiO2 is more uniform and compact than that of normal concrete, but higher pore size distribution was observed when cement content is increased, which in turn leads to the increase in the diffusion of choloride ion.
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Received: 2011/06/22 | Accepted: 2011/06/22 | Published: 2011/06/22

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