End anchorage and overlapping of textile reinforcements in textile reinforced concrete

摘要

In strengthening existing concrete structures with textile reinforced concrete (TRC), a safe anchoring and transfer of the acting forces is crucial for the functioning of the composite material. This paper deals with the experimental and analytical determination of the end anchorage and overlap lengths of textile reinforcements in TRC members. Based on the experimental research on the bond behaviour between the yarn surface and the fine-grained concrete matrix, an analytical model was developed which can be used to calculate the required end anchorage and overlap lengths in the yarn pull-out limit state. Furthermore, extensive analytical observations were made to predict the probability of failure due to delamination.