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Artikel-Nr. 32996770


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Autor(en): 
  • Dibyendu Adak
  • Saroj Mandal
  • Nano-Silica Modified Fly Ash Based Geopolymer Concrete: Experimental Study on Structural Strength and Durability 
     

    (Buch)
    Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!


    Übersicht

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    Lieferstatus:   i.d.R. innert 5-10 Tagen versandfertig
    Veröffentlichung:  April 2018  
    Genre:  Naturwissensch., Medizin, Technik 
    ISBN:  9786138325000 
    EAN-Code: 
    9786138325000 
    Verlag:  LAP Lambert Academic Publishing 
    Einband:  Kartoniert  
    Sprache:  English  
    Dimensionen:  H 220 mm / B 150 mm / D 4 mm 
    Gewicht:  113 gr 
    Seiten:  64 
    Zus. Info:  Paperback 
    Bewertung: Titel bewerten / Meinung schreiben
    Inhalt:
    Geopolymer concrete is being introduced to reduce the rapid utilization of Portland cement concrete. Geopolymer is an inorganic polymer synthesized from alkaline activation of various alumino-silicate based wastes like fly ash, blast furnace slag etc. Geopolymer concrete is presently limited to the pre-cast member due to the requirement of heat activation after casting. Addition of colloidal nano-silica in geopolymer mortar/concrete cured at normal temperature shows an appreciable improvement in strength and durability. To establish structural behaviors of such concrete a series of tests such as compressive strength, split tensile strength, flexural strength (with/without reinforcement) modulus of elasticity and bond strength have been investigated and also compared with heat cured geopolymer concrete and OPC based control cement concrete. The microstructural properties of such geopolymer concrete and control cement concrete have been analyzed through FESEM with EDS, FTIR and XRD analysis. The enhancement of structural performance is mainly due to the transformation of amorphous phase to crystalline phase in the geopolymer concrete matrices in the presence of nano silica.

      



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