Bond behaviour between textile reinforcement and mortar under tensile loading / Verbundverhalten zwischen textiler Bewehrung und Mörtel unter Zugbeanspruchung

Extensive experimental investigations are currently being carried out on various selected materials covering a wide range of properties to achieve a deeper knowledge about the bond performance of textile reinforced mortar (TRM) for masonry strengthening. The objective of the tests includes investigations of the bonding behaviour between alkali-resistant glass textile reinforcement and mortar under tensile loading to determine the required anchorage and overlapping lengths of the reinforcement in the mortar-based material. This article describes the test methods used as well as the results obtained so far. This research will also examine debonding of the mortar-based reinforcement system and the masonry surface under shear load. The definition of these bond parameters is necessary for the design of textile-reinforced masonry components, which will be developed in the near future. The research is also intended to contribute to the finding or even designing of matching alkali-resistant glass textiles specifically for use in masonry.