Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Jorge I. Tobón"'
Publikováno v:
Informador Técnico, Vol 88, Iss 1, Pp 88-102 (2024)
Teniendo en cuenta el potencial de los cementos geopoliméricos como una alternativa para sustituir parcialmente al cemento Portland, este artículo presenta el análisis del efecto que tienen las condiciones de curado de los cementos geopoliméricos
Externí odkaz:
https://doaj.org/article/074793164ecc4261ab00db104ce1671d
Autor:
Mónica A. Bedoya, Jorge I. Tobón
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01192- (2022)
This research presents the effect of substituting natural aggregates by recycled aggregates and cement blended with limestone by coal ashes on the compressive strength and durability properties of an ecological mortar. Firstly, the industrial wastes
Externí odkaz:
https://doaj.org/article/259570d1c3d44e1b94c2d7cbbb559eba
Publikováno v:
Revista Facultad de Ingeniería Universidad de Antioquia, Iss 94 (2020)
Self-cleaning activity of Portland cement pastes blended with nanoparticles of titanium oxynitride (TiO2−xNy ) was studied. Samples with various amounts of TiO2−xNy (1% and 3%) were evaluated under irradiation of UV and visible light, and with tw
Externí odkaz:
https://doaj.org/article/a28381c6fbfe4b3da92bc5d492242e87
Publikováno v:
Dyna, Vol 87, Iss 213 (2020)
The manufacture of cement demands a lot of energy and gives off large amounts of CO2. Calcined clays need less energy and emit water instead of CO2, which has drawn attention to them, especially those rich in kaolinite. However, their use has been di
Externí odkaz:
https://doaj.org/article/d5c17153c07d494ba0f1f3a1c8c6dc5a
Publikováno v:
Dyna, Vol 83, Iss 198, Pp 136-141 (2016)
The pozzolanic effect of nanosilica (NS) particles when combined with Multi Walled Carbon Nanotubes (MWCNT) was studied in Ca(OH)2 pastes and Portland cement mortars. Experimental design techniques were used to plan the experiments and identify the e
Externí odkaz:
https://doaj.org/article/4ac9d195d4464d7bbb35f9bd301f643c
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
The influence of two lightweight aggregates (LWA) on concrete and the effects of cement substitution for nanosilica (NS) on the interfacial transition zone (ITZ) and cementitious matrix of concrete in resistance to attacks by magnesium sulfate (MgSO4
Externí odkaz:
https://doaj.org/article/9307be34307949ccbd5787369be06ea1
Autor:
Jorge I. Tobón, Laura M. Montoya
Publikováno v:
Boletín de Ciencias de la Tierra, Vol 0, Iss 19, Pp 55-72 (2006)
En este trabajo se presentan los resultados de la comparación de la composición química y mineralógica de materias primas minerales nacionales e importadas, como son la fluorita, el yeso y la bauxita para el caso de la industria cementera. Se enc
Externí odkaz:
https://doaj.org/article/ad5d69891303451db13a280dcb7b2a9b
Publikováno v:
Clays and Clay Minerals. 70:233-251
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8547717c2a76bb7cb5a0a0275ff3a02d
https://doi.org/10.1007/s42860-022-00184-7
https://doi.org/10.1007/s42860-022-00184-7
Publikováno v:
Materials
Volume 16
Issue 3
Pages: 980
Volume 16
Issue 3
Pages: 980
This research aims to improve the quality of recycled concrete fine aggregates (RFA) by using diammonium hydrogen phosphate (DAP). We aimed to understand the effect of DAP treatment on durability performance due to the carbonation action of mortars w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d55e2cbd48d2c91f5a157e3449b8d179
Publikováno v:
Construction and Building Materials. 375:130992
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d4d723ad9dc805ccb023bc494141f40
https://doi.org/10.1016/j.conbuildmat.2023.130992
https://doi.org/10.1016/j.conbuildmat.2023.130992