Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The Formation of Microstructure in High Strength Concrete Containing Micro and Nanosilica
This article presents the results of microstructural investigation of high strength concrete containing microsilica and nanosilica (amorphous SiO2) as an active pozzolanic admixture. Micro and nanosilica react with calcium hydroxide producing calcium silicate hydrates (C-S-H), thus the voids and pores within concrete are filled and new minerals are formed in the gaps between cement grains and aggregate particles. Unreacted round microsilica and nanosilica particles were registered using SEM even in 6 month old samples. The compressive strength results indicate that concrete still continues to harden after the 28-days of curing.
The Formation of Microstructure in High Strength Concrete Containing Micro and Nanosilica
This article presents the results of microstructural investigation of high strength concrete containing microsilica and nanosilica (amorphous SiO2) as an active pozzolanic admixture. Micro and nanosilica react with calcium hydroxide producing calcium silicate hydrates (C-S-H), thus the voids and pores within concrete are filled and new minerals are formed in the gaps between cement grains and aggregate particles. Unreacted round microsilica and nanosilica particles were registered using SEM even in 6 month old samples. The compressive strength results indicate that concrete still continues to harden after the 28-days of curing.
The Formation of Microstructure in High Strength Concrete Containing Micro and Nanosilica
Toropovs, Nikolajs (Autor:in) / Bajare, Diana (Autor:in) / Sahmenko, Genadijs (Autor:in) / Krage, Linda (Autor:in) / Korjakins, Aleksandrs (Autor:in)
2014
4 Seiten
Aufsatz (Konferenz)
Englisch
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