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µÚÒ»´Î´ÎSCI£¬Í¶µÄadvances in materials science and engineering£¬Ò»¸ö¶àÔÂÒÔºó¸øÁËÐÞ¸ÄÒâ¼û£¬Âé·³´óÉñ°ï¿´¿´£¬¾ßÌ嶼ʲôÒâ˼°¡£¬ÎÒ´ó¸ÅÄÜ¿´¶®Ò»µã£¬ºÃÏñµÚ¶þµãºÍµÚÈýµãÐÞ¸ÄÒâ¼ûÓеãÄÑ£¬ÎÒÈç¹û¸ã²»³öÀ´Ôõô°ì°¡¡£ The paper presents a beam-column connection with U-shaped steel dampers, which is characterized by added damping and recentering capability. Experimental (cyclic) results are carried out to evaluate the effectiveness of the proposed connection. Then, a parametric investigation, with a FEM model calibrated in accordance with the experimental results, is carried out to analyse the effects of the U-shaped damper geometry on the performance of the connection. The subject of the paper can be of interest for readers and the results of the study are interesting. I think that the paper may be accepted after modification according to the following comments, which I propose to the authors. 1. A check of the English language should be done throughout the text, also because many tables and figures highlight captions in Chinese. 2. Further details should be added to better clarify the mechanism of deformation and yielding of the U-shaped steel dampers, also with reference to their rotational stiffness K (see page 3, section 2.2 of the manuscript). 3. In view of their adoption for practical applications, a design procedure of the additional U-shaped steel dampers should be presented. |
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