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Bond behavior in NSM-strengthened masonry

机译：NSM加固砌体中的粘结行为

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摘要

Near Surface Mounted (NSM) reinforcement is an interesting technique for seismic strengthening of masonry and historical structures. Despite having several advantages compared to conventional techniques, little attention has been given to understanding the involved mechanisms (such as bond behavior) in the performance of masonry components strengthened with this reinforcement technique. This study presents an experimental and analytical investigation on the bond performance of NSM-strengthened masonry bricks aiming at filling the existing gaps in the available experimental results in the literature. The main focus is on the effect of test setup and bond length, but attention has also been given to the groove size and loading regime effect on the bond performance. The accuracy of the existing bond strength prediction models is also assessed and the required modifications are proposed.
机译：近表面安装（NSM）加固是一种用于砌体和历史建筑物抗震加固的有趣技术。尽管与常规技术相比具有多个优点，但是很少有人关注通过这种加固技术加固的砖石构件性能中所涉及的机制（例如粘结行为）。这项研究提供了对NSM增强砖石砌块的粘结性能的实验和分析研究，旨在填补文献中现有实验结果中的空白。主要关注的是测试设置和键合长度的影响，但同时也关注了沟槽尺寸和加载方式对键合性能的影响。还评估了现有粘结强度预测模型的准确性，并提出了所需的修改方案。

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