Study of hardening processes of historical and current mortarsSupervisor: doc. Ing. Vladimír Pavlík, PhD.
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|Project description:||Mortars from air lime, hydraulic lime, lime-pozzolan and lime-cement binders will be studied. Emphasis is on mortars for repair of historic buildings but the project has universal character. Mortars with hydraulic binders harden due to two different and essentially competing processes (hydration and pozzolanic reaction versus carbonation). Therefore mortars with different composition will be cured in different environments: in air at 65%RH; in closed chambers at 100%RH; in water; and in the atmosphere of CO2. Different curing conditions will selectively support one type of the hardening processes. Also particle size of Ca(OH)2 in plastic lime mortars and volume changes in mortars during hardening will be affected; and finally also the microstructure, physical properties and the frost resistance of hardened mortars. Relationship between pore structure and capillary absorption also will be sought. We expect that capillary absorption testing could be used for characterizing the pore structure of porous material.|
|Kind of project:||VEGA ()|
|Department:||Department of Material Engineering (FCE)|
|Project status:||Successfully completed|
|Project start date :||01. 01. 2013|
|Project close date:||31. 12. 2015|
|Number of workers in the project:||2|
|Number of official workers in the project:||0|