Temat: cementitious materials - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Eco-efficient blended cements with high volume supplementary cementitious materials
Autorzy:: Sanytsky, Myroslav
Kropyvnytska, Tetiana
Ivashchyshyn, Hanna
Rykhlitska, Оksana
Powiązania:: https://bibliotekanauki.pl/articles/390809.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Tematy:: eco-efficient blended cements
supplementary cementitious materials
superfine zeolite
particle size distribution
synergistic combination additives
Opis:: The ways of reducing CO2 emissions in the cement industry were analysed for the purposes of implementation of the low carbon development strategy. The optimal solution to this problem is the technologically optimised blended cements with high volume of supplementary cementitious materials of various genesis and fineness. The design of eco-friendly blended cements was achieved by a synergistic combination of the main constituents such as granulated blast furnace slag, superfine zeolite, fly ash and limestone, as well as by optimisation of the their granulometric composition, taking into account their bimodal particle size distribution by volume and surface area. Moreover, the article presents the technical, environmental and economic benefits of using eco-efficient blended cements.
Źródło:: Budownictwo i Architektura; 2019, 18, 4; 5-14
1899-0665
Pojawia się w:: Budownictwo i Architektura
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Particle size characterisation of SCMs by mercury intrusion porosimetry
Autorzy:: Klemm, A. J.
Wiggins, D. E.
Powiązania:: https://bibliotekanauki.pl/articles/363012.pdf
Data publikacji:: 2017
Wydawca:: Instytut Fizyki Budowli Katarzyna i Piotr Klemm
Tematy:: particle size distribution
mercury intrusion porosimetry
supplementary cementitious materials
rozkład wielkości cząstek
porozymetria rtęciowa
dodatkowe składniki wiążące do betonu
Opis:: Mercury intrusion porosimetry (MIP) is widely used for the microstructural characterisation of porous solids. Comparatively few studies have employed the technique to characterise the size of particles within powdered samples. The present study uses the MIP technique to characterise the particle sizes of contemporary supplementary cementitious materials (SCMs), and in particular uses the technique to present particle size distributions, rather than a single mean size. Representivity of the technique for known limitations of non-spherical and porous particles are checked using the Scanning Electron Microscope. The findings indicate that the MIP affords a good approximation of particle sizes, including distributions, of spherical and non-spherical particles. The technique was also found to provide reasonable accuracy for estimating the particle sizes of highly porous particles, where distinction between inter-particle and intra-particle porosity was made.
Źródło:: Fizyka Budowli w Teorii i Praktyce; 2017, T. 9, nr 1, 1; 5-12
1734-4891
Pojawia się w:: Fizyka Budowli w Teorii i Praktyce
Dostawca treści:: Biblioteka Nauki

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