Publicación:
Scientific and technical studies on eco-efficient binary cements produced with thermally activated ichu grass: Behaviour and properties
Scientific and technical studies on eco-efficient binary cements produced with thermally activated ichu grass: Behaviour and properties
| dc.contributor.author | Frias, Moises | es_PE |
| dc.contributor.author | Caneda-Martinez, Laura | es_PE |
| dc.contributor.author | Sanchez de Rojas, M. Isabel | es_PE |
| dc.contributor.author | Tenazoa, Carlos | es_PE |
| dc.contributor.author | Flores, Elena | es_PE |
| dc.date.accessioned | 2024-05-30T23:13:38Z | |
| dc.date.available | 2024-05-30T23:13:38Z | |
| dc.date.issued | 2020 | |
| dc.description.abstract | The present research study analyses, for the first time, the viability of using thermally activated ichu grass as a supplementary cementitious material for the design of future eco-cements. To this end, the ichu ash resulting from the activation was characterised and its pozzolanic activity, the evolution of its mineralogical phases during the pozzolanic reaction and the physical-mechanical behaviour of the blended cementitious matrices were analysed. The results show that ichu ash exhibited high pozzolanic activity in a pure pozzolan/lime system as a consequence of its high reactive silica content. Conversely, its use in a pozzolan/cement system gave rise to negative effects due to the presence of important alkali contents in the ash (9.6% Na2O eq). The blended cements presented greater water demand, reduced capillary absorption, increased resistivity and lower mechanical properties (10-14%) as well as reduced average pore size than the reference mortar. These blended cement matrices comply with the physical-mechanical requirements established in the standards for the production of eco-cements. | |
| dc.description.sponsorship | Consejo Nacional de Ciencia, Tecnología e Innovación Tecnológica - Concytec | |
| dc.identifier.doi | https://doi.org/10.1016/j.cemconcomp.2020.103613 | |
| dc.identifier.uri | https://hdl.handle.net/20.500.12390/2824 | |
| dc.language.iso | eng | |
| dc.publisher | Elsevier BV | |
| dc.relation.ispartof | CEMENT & CONCRETE COMPOSITES | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.subject | General Materials Science | |
| dc.subject | Building and Construction | es_PE |
| dc.subject.ocde | http://purl.org/pe-repo/ocde/ford#2.05.01 | |
| dc.title | Scientific and technical studies on eco-efficient binary cements produced with thermally activated ichu grass: Behaviour and properties | |
| dc.type | info:eu-repo/semantics/article | |
| dspace.entity.type | Publication |