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Investigación de vangarda para o desenvolvemento sostible

O CITEEC realiza investigación avanzada en enxeñaría civil, materiais, sustentabilidade e infraestruturas. A través de proxectos multidisciplinarios e colaboracións internacionais, xéranse publicacións científicas que abordan retos crave do sector. Nesta sección preséntanse as principais publicacións e resultados obtidos polos nosos grupos de investigación.

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Investigación de vangarda para o desenvolvemento sostible

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2018

Puertas, Francisca; González-Fonteboa, Belén; González-Taboada, Iris; López, María M. Alonso; Torres-Carrasco, Manuel; Rojo-López, Gemma; Martínez-Abella, Fernando

Alkali-activated slag concrete: Fresh and hardened behaviour Journal Article

In: Cement and Concrete Composites, vol. 85, pp. 22 – 31, 2018, (Cited by: 201; All Open Access, Green Open Access).

Abstract | Links | BibTeX | Etiquetas: Alkali activated slags, Alkali-activated slag concretes, Alkaline activation, Alkaline activators, Atomic absorption spectrometry, Bingham model, Bins, Blast furnaces, Concrete mixing, Concretes, Elasticity, Hardened behaviour, Hardening, Key determinants, Mixing, Rheological behaviour, Rheology, Slags

@article{Puertas201822,

title = {Alkali-activated slag concrete: Fresh and hardened behaviour},

author = {Francisca Puertas and Belén González-Fonteboa and Iris González-Taboada and María M. Alonso López and Manuel Torres-Carrasco and Gemma Rojo-López and Fernando Martínez-Abella},

url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85030679824&doi=10.1016%2fj.cemconcomp.2017.10.003&partnerID=40&md5=55e3f2fd798b6078f508e2db2e4c24b7},

doi = {10.1016/j.cemconcomp.2017.10.003},

year  = {2018},

date = {2018-01-01},

urldate = {2018-01-01},

journal = {Cement and Concrete Composites},

volume = {85},

pages = {22 – 31},

publisher = {Elsevier Ltd},

abstract = {The behaviour of fresh and hardened alkali-activated slag (AAS) and OPC concretes was compared and the effect of mixing time assessed. OPC and AAS concrete slump and rheological results proved to differ, particularly when the slag was activated with waterglass (WG). The nature of the alkaline activator was the key determinant in AAS concrete rheology. Bingham models afforded a good fit to all the OPC and AAS concretes. In OPC and NaOH-activated AAS concretes, longer mixing had an adverse effect on rheology while improving hardened performance only slightly. In WG-AAS concrete, longer mixing times, improved mechanical properties and also rheological behaviour was enhanced, in which those conditions were required to break down the microstructure. Longer mixing raised thixotropy in OPC and NaOH-activated AAS concretes, but lowered the value of this parameter in waterglass-activated slag concrete. © 2017 Elsevier Ltd},

note = {Cited by: 201; All Open Access, Green Open Access},

keywords = {Alkali activated slags, Alkali-activated slag concretes, Alkaline activation, Alkaline activators, Atomic absorption spectrometry, Bingham model, Bins, Blast furnaces, Concrete mixing, Concretes, Elasticity, Hardened behaviour, Hardening, Key determinants, Mixing, Rheological behaviour, Rheology, Slags},

pubstate = {published},

tppubtype = {article}

}