Hydration of Portland Cement – Natural Zeolite Mortar in Water and Sulphate Solution

2003 ◽  
Vol 90-91 ◽  
pp. 309-316 ◽  
Author(s):  
Ivan Janotka ◽  
Subhash C. Mojumdar
Keyword(s):  
Portland Cement ◽  
Natural Zeolite ◽  
Sulphate Solution

Application of Zeolite as a Partial Replacement of Cement in Concrete Production

2014 ◽  
Vol 621 ◽  
pp. 30-34
Author(s):  
Eva Vejmelková ◽  
Dana Koňáková ◽  
Monika Čáchová ◽  
Martin Keppert ◽  
Adam Hubáček ◽  
...  
Keyword(s):  
Portland Cement ◽  
Natural Zeolite ◽  
General Rule ◽  
Cementitious Materials ◽  
Supplementary Cementitious Materials ◽  
Partial Replacement ◽  
Large Variability ◽  
Substitution Level ◽  
Concrete Production ◽  
Zeolite Rock

Natural zeolite rocks are known to be able to act as Supplementary Cementitious Materials (SCM) in Portland cement based concrete. Generally SCMs are reacting with portlandite and providing binding hydration products just as Portland cement does. In this way an SCM can substitute certain amount of Portland cement in concrete and thus reduce the related energy consumption and CO2 generation. Due to a large variability of SCMs composition and properties there is not any general rule for an optimum Portland cement substitution level. In this paper, the influence of natural zeolite rock on selected mechanical, hygric and thermal properties of concrete is studied. Experimental results show that the analyzed zeolite is acting as a pozzolan but for higher amounts its application leads to an increase in concrete porosity which affects its properties in a significant way.

NTCC 2017: Long-Term Observation of the Resistance of Novel Hybrid Cement Exposed to Sulphate Solution

2018 ◽  
Vol 761 ◽  
pp. 163-168 ◽  
Author(s):  
Michal Bačuvčík ◽  
Pavel Martauz ◽  
Ivan Janotka
Keyword(s):  
Portland Cement ◽  
Building Materials ◽  
Sodium Sulphate ◽  
Sulphate Solution ◽  
Cement Clinker ◽  
Portland Cement Clinker ◽  
Specific Material ◽  
Long Term Observation ◽  
By Products

This work is aimed to investigate four-years impact of 5 % sodium sulphate solution on the mortar made of novel hybrid cement H-CEMENT, being prepared with maximal content of wastes and by-products and only 20 % wt. of Portland cement clinker, compared to that prepared with the reference CEM I 42.5 N (PC). H-CEMENT for its specific material composition does not meet the criteria for inclusion in the cement kinds reported in EN 197-1 but complies with all of the hygienic regulations and standards imposed on similar building materials.

scholarly journals Granulation of Natural Zeolite Powder Using Portland Cement

2007 ◽  
Vol 26 (3) ◽  
pp. 259-266
Author(s):  
Su-Jung Kim ◽  
Yong-Seon Zhang ◽  
Yong-Sik Ok ◽  
Sang-Eun Oh ◽  
Jae-E. Yang
Keyword(s):  
Portland Cement ◽  
Natural Zeolite

scholarly journals Strength and Durability Properties by Replacement of Natural Zeolite and Fly ash in Ordinary Portland Cement

2020 ◽  
Vol 9 (3) ◽  
pp. 805-811 ◽  
Keyword(s):  
Fly Ash ◽  
Portland Cement ◽  
Natural Zeolite ◽  
Ordinary Portland Cement ◽  
Mineral Admixture ◽  
Permeability Test ◽  
Chloride Permeability ◽  
Pozzolanic Material ◽  
Alumino Silicate ◽  
Strength And Durability

Natural zeolite and Flyashresidue, a sort of hydrated Alumino-Silicate is used amply as ordinary pozzolanic material in particular areas of the world. In this calculation, the suitability of a secretly quarried zeolite and mineral admixture called fly ash is used for getting better mechanical and durability property of bond. The presentation of strong quality was better with a dissimilar degree of zeolite and fly ash was examined. The substitution on zeolite and fly ash with other proportions like 10% zeolite with ordinary Portland cement (OPC), 10% zeolite and 10% fly ash, 10% zeolite and 20% fly ash, 10% zeolite and 30% fly ash for M25 grade of concrete and done valuations with mechanical properties such as compressive strength, split tensile test, water permeability test, rapid chloride permeability test. By differentiating these effects between a run of the mill concrete and dissimilar degrees of Zeolite and Flyash.By comparing these results between normal concrete with different proportions of Zeolite and Flyash.

Mechanical Fracture Parameters of Fine-Grain Concretes with Zeolite: Effect of Composition and Origin of Cements

2014 ◽  
Vol 1000 ◽  
pp. 330-333
Author(s):  
Hana Šimonová ◽  
Pavel Schmid ◽  
Zbyněk Keršner ◽  
Pavla Rovnaníková
Keyword(s):  
Czech Republic ◽  
Portland Cement ◽  
Natural Zeolite ◽  
Mineralogical Composition ◽  
Fracture Parameter ◽  
Mechanical Fracture ◽  
Fine Grain ◽  
Chemical And Mineralogical Composition ◽  
Parameter Values ◽  
Different Origin

This paper introduces results of fracture experiments on fine-grain concrete specimens prepared from CEM 42.5 R Portland cement of different origin (five Czech Republic localities: Mokrá, Hranice, Radotín, Prachovice, Čížkovice), with natural zeolite admixture. Although the specimens were produced using the same type of cement, this paper shows that even small differences in chemical and mineralogical composition (caused by different origin) can result in changes of mechanical fracture parameter values.

The Portland Cement Industry of the World

1898 ◽  
Vol 46 (1192supp) ◽  
pp. 19108-19109
Author(s):  
Bernard L. Green
Keyword(s):  
Portland Cement ◽  
Cement Industry ◽  
The World
Sign in / Sign up

Export Citation Format

Share Document