Blar i NTNU Open på forfatter "Tunstall, Lori"
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FOAM INDEX MEASUREMENTS ON MIXES OF AIR ENTRAINING AGENTS, SUPERPLASTICIZERS AND FLY ASH-CEMENT- FILLER BLENDS
Jacobsen, Stefan; Nordahl-Pedersen, Henrik; Omer Rasol, Hawar; Lødemel, Øyvind Olsen; Tunstall, Lori; Scherer, George W. (Chapter, 2016)Foam Index (FI) measurements were made to investigate the foaming efficiency of different AEAs with varying cements (OPC, blended), fly ashes (FA) and fillers, and the effect on foaming of mixing sequence of AEA and SP. ... -
Predicting AEA dosage by Foam Index and adsorption on Fly Ash
Jacobsen, Stefan; Ollendorff, Margrethe; Geiker, Mette Rica; Tunstall, Lori; Scherer, George W. (Chapter, 2012)Abstract: The unpredictable air entrainment in fly ash concrete caused by carbon in fly ash was studied by measuring adsorption of Air Entraining Agents (AEA) on the fly ash and by Foam Index (FI) testing. The FI test ...