Volume 19, Number 3 (International Journal of Engineering 2008)                   IJIEPR 2008, 19(3): 1-5 | Back to browse issues page


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Allahverdi A, Mehrpour K, Najafi Kani E. Taftan Pozzolan-Based Geopolymer Cement . IJIEPR. 2008; 19 (3) :1-5
URL: http://ijiepr.iust.ac.ir/article-1-8-en.html

, Ali.allahverdi@iust.ac.ir
Abstract:   (18304 Views)

  Abstract: In recent years, many research works have been done to investigate the possibility of utilizing a broad range of materials as raw materials in the production of geopolymer cements. The use of artificial pozzolans or aluminosilicate-type industrial waste materials such as granulated blast-furnace slag and fly ash has been reported in many research works. Natural pozzolans are also aluminosilicate-type materials which can be activated with solutions of NaOH and Na2SiO3. Using a pumice-type natural pozzolan from Taftan Mountain located at the south east of Iran and different alkali-activators based on combinations of Na2SiO3 and NaOH, a number of natural-pozzolan-based geopolymer cement systems were designed and prepared. Final setting time, workability, and 28-day compressive strength of the systems were studied. The results obtained reveal that Taftan pozzolan can be activated using a proportioned mixture of Na2SiO3 and NaOH resulting in the formation of a geopolymer cement system exhibiting suitable workability and relatively high 28-day compressive strengths up to 63 MPa.

Full-Text [PDF 86 kb]   (1761 Downloads)    
Type of Study: Research | Subject: Material Managment
Received: 2009/04/18

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