Hybrid Cements with Non Silicate Activators

Abstract:

Article Preview

Hybrid cements represent a relatively new type of binders which combines some of the advantages of Ordinary Portland Cement and an application of mineral admixtures and alkali activation. Hybrid cements form then blends containing a low portion of OPC and a high proportion of mineral additions (such as blast furnace flag, fly ash, metakaoline, ...). This paper discusses the properties of mortars based on carbonate based activators. Mixtures composed from Ordinary Portland Cement, ground granulated blast furnace slag, fly ash and mechanically pre-activated fly ash were optimised with the target to achieve sufficient compressive strength. The influence of ratios between powder compounds, the dosage of activator and water to binder ratios are presented.

Info:

Periodical:

Solid State Phenomena (Volume 259)

Edited by:

Šárka Nenadálová, Petra Johová and Tereza Sajdlová

Pages:

30-34

DOI:

10.4028/www.scientific.net/SSP.259.30

Citation:

V. Bílek et al., "Hybrid Cements with Non Silicate Activators", Solid State Phenomena, Vol. 259, pp. 30-34, 2017

Online since:

May 2017

Export:

Price:

$35.00

* - Corresponding Author

[1] J. Provis, J., Geopolymers and other alkali activated materials: why, how and what, Materials and Structures, Vol. 47 (2014), pp.11-25.

DOI: 10.1617/s11527-013-0211-5

[2] M. Malikarjuna Rao, T.D. Gunneswara Rao, D. Rama Seshu, A. Vankatesh, Mix proportioning of geopolymer concrete, Cement, wapno, beton 4/2016, ISSN-1425-8129, pp.274-285.

[3] M.A. Sanitskii, Alkaline portland cements, Proceeding of 2nd International Conference Alkaline Cements and Concretes, P.V. Krivenko (ed. ), Kyiv (Ukraine) 1999, p.315 – 336.

[4] J. Deja, M. Petri, L. Kolodziej, Influence of cement and slag on the properties of alkali-activated fly ash pastes, Proc. of 3rd Int. Symposium Non-Traditional Cement and Concrete, Bilek and Kersner Eds., 2008, Brno (Czech Republic), ISBN 978-80-214-3642-8, pp.163-172.

[5] V. Bílek, J. Hurta, P. Done, L. Zidek, T. Zajdlik, Hybrid alkali activated concretes – conception and development for practical application, Solid State Phenomena, ISSN 1012-0394, Vol. 249 (2016), pp.85-90.

DOI: 10.4028/www.scientific.net/ssp.249.3

[6] V. Bílek, A. Palomo, J. Hurta, L. Zidek, P. Done, Hybrid alkaline cements – development and perspective of practical experiences, M.R. Jones et al (Eds. ), 9th International Concrete Conference 2016, Environment, Efficiency and Economic, Challenges for Concrete, 2016, Dundee, Scotland, UK, ISBN 978-0-9573263-1-6, pp.341-347.

[7] I. García-Lodeiro, A. Palomo, A. Fernández-Jiménez, Hybrid alkaline cements: hydration kinetics study during the early reaction stages, Bilek, V., Kersner, Z. (eds) Proceedings of the 5th Int. Conf. on Non-Traditional Cement & Concrete 2014, Brno (Czech Republic), ISBN 978-80-214-4867-4, pp.59-62.

DOI: 10.1016/j.cemconcomp.2013.03.025

In order to see related information, you need to Login.