Abstract
Polymer-modified mortars (PMCs) are used in the construction industry as tile adhesives or frontage coatings. This way of modifying classical mortars improves practical use and adhesion properties. However, the influence of the polymer phase on the durability and the mechanical properties of the modified mortars are still unknown. Three-point bending and compression tests were carried out on PMCs and classical mortar beams. The tests were made under strain control in order to reach the softening part of the stress–strain curve. The compression tests show the influence of polymer content on elastic characteristics, mechanical resistance and strain at rupture. Three-point bending tests reveal the PMC behavior in tension and the damage evolution is monitored by the loss of stiffness. Finally, scanning electron microscopy shows the polymer distribution in the composites.
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