Development of pore structure, moisture sorption and transport properties in fly ash blended cement-based materials

O. Linderoth, P. Johansson, L. Wadsö

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

Sammanfattning

This study documents how the pore structure develops with time in cement-based materials with varying fly ash replacement. Heat production was measured during the first days, water vapour desorption isotherms were determined at different times up to 18 months, and moisture transport properties were measured after one year. Long-term fly ash reactions alter the pore structure considerably. The fly ash does not fill pore volume but refines porosity. After one year, fly ash replacement resulted in a factor 2–5 lower moisture diffusion coefficients. Aggregates have little effect on the measured pore structure; sorption isotherms for mortar and concrete can be determined on cement paste.

Originalspråkengelska
Artikelnummer120007
TidskriftConstruction and Building Materials
Volym261
DOI
StatusPublished - 2020

Ämnesklassifikation (UKÄ)

  • Materialteknik

Fingeravtryck

Utforska forskningsämnen för ”Development of pore structure, moisture sorption and transport properties in fly ash blended cement-based materials”. Tillsammans bildar de ett unikt fingeravtryck.

Citera det här