<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The bio-cementation repairing technique consists in using a bio product which precipitates in a porous environment and thus, filling the internal voids. In the construction industry, there is a series of applications for this repairing technology, mainly for cementitious materials. In this respect, the calcium carbonate-based materials are considered to be the most suitable bio products since they are compatible with a wide range of concrete mixes.</p>
<p>This paper presents a method of manufacturing a calcium carbonate bio product, using a device designed and manufactured exclusively for this experimental work. In order to design a bio product with an unique set of properties, various preliminary samples, obtained by varying the material quantities, the preparation time and working temperatures, have been tested. The bio product analyzed in this work may increase the impermeability of mortar and concrete elements, by continuous sealing of microcracks that can occur throughout the life cycle of the members. Thus, since this bio product was meant to be a component of the mortar/concrete mixture, the mechanical properties were determined by testing several mortar samples made with different cement-bio product ratios.</p>
</abstract>

The bio-cementation repairing technique consists in using a bio product which precipitates in a porous environment and thus, filling the internal voids. In the construction industry, there is a series of applications for this repairing technology, mainly for cementitious materials. In this respect, the calcium carbonate-based materials are considered to be the most suitable bio products since they are compatible with a wide range of concrete mixes.
This paper presents a method of manufacturing a calcium carbonate bio product, using a device designed and manufactured exclusively for this experimental work. In order to design a bio product with an unique set of properties, various preliminary samples, obtained by varying the material quantities, the preparation time and working temperatures, have been tested. The bio product analyzed in this work may increase the impermeability of mortar and concrete elements, by continuous sealing of microcracks that can occur throughout the life cycle of the members. Thus, since this bio product was meant to be a component of the mortar/concrete mixture, the mechanical properties were determined by testing several mortar samples made with different cement-bio product ratios.

Bio-Cementation: An Eco-Friendly Solution to Reduce the Water Infiltrations in Hidrotechnical Concrete Elements

„Gheorghe Asachi” Technical University of Iaşi

Faculty of Civil Engineering and Building Services

Bulletin of the Polytechnic Institute of Iași. Construction. Architecture Section

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The bio-cementation repairing technique consists in using a bio product which precipitates in a porous environment and thus, filling the internal voids. In the...

Bio-Cementation: An Eco-Friendly Solution to Reduce the Water Infiltrations in Hidrotechnical Concrete Elements

Published Online: Jul 18, 2022

Page range: 51 - 60

Received: Jul 13, 2021

Accepted: Aug 31, 2021

DOI: https://doi.org/10.2478/bipca-2021-0024

Keywords
bio product, paraffin, calcium carbonate, concrete, mortar

© 2021 Sbîrlea Cătălin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Bio-Cementation: An Eco-Friendly Solution to Reduce the Water Infiltrations in Hidrotechnical Concrete Elements

Published Online: Jul 18, 2022

Page range: 51 - 60

Received: Jul 13, 2021

Accepted: Aug 31, 2021

DOI: https://doi.org/10.2478/bipca-2021-0024

Keywordsbio product, paraffin, calcium carbonate, concrete, mortar

© 2021 Sbîrlea Cătălin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
bio product, paraffin, calcium carbonate, concrete, mortar