Abstract
The influence of methanol exchange time upon the thermogravimetric decomposition and upon the pore structure of a 3 month old hydrated alite paste was examined. It was found that exchanging the pore water for methanol had no significant effect upon thermogravimetric decomposition for exchange times in the range 0 to 14 days. Furthermore there was no effect of exchange time upon total porosity although methanol adsorption experiments indicated a change in pore size distribution. It seemed that pore structure alterations caused by removing water from the pores could be minimised by relatively short exchange periods such that about half of the pore water was exchanged.
Published Version
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