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| 1 | 多层钢筋混凝土框架结构抗地震倒塌研究进展显示文摘多层钢筋混凝土(RC)框架结构占我国建筑总量的30%以上.传统意义上普遍认为其具有较好的抗震性能,但近年来发生的破坏性地震中,极震区RC框架结构大量倒塌,其倒塌率甚至超过了砖混结构,造成了大量人员伤亡和财产损失.这说明RC框架结构在大震作用下抗倒塌冗余度不足.针对多层RC框架结构的地震倒塌破坏问题,国内外学者进行了诸多研究.从结构地震倒塌机理和抗地震倒塌措施两方面对多层RC框架结构抗地震倒塌问题的研究现状进行了综述和讨论. | 许卫晓 杨伟松 于德湖 张纪刚 | 2016 | 青岛理工大学学报2016，37，2： | 3 |
| 2 | RC框架-抗震墙并联结构体系拟静力试验显示文摘为研究RC框架-抗震墙并联结构体系中,抗震墙作为'功能集成'与'功能分离'两种形式下结构的抗震性能,进行了2个缩尺比为1∶3的单层两跨的框架-抗震墙试件拟静力试验,分别研究抗震墙主要参与抗侧工作承担小部分重力荷载,与抗震墙既参与抗侧工作又承担重力荷载时试件的裂缝开展与破坏、滞回性能、刚度退化、耗能能力、延性等抗震性能。同时,利用ABAQUS软件对试验试件进行模拟,得到了与试验数据较为吻合的结果。研究表明,当抗震墙的承重功能与抗侧功能基本分离时,结构具有更好的延性、耗能能力与损伤发展过程。 | 许卫晓 程扬 杨伟松 鞠佳昌 于德湖 | 2021 | 吉林大学学报(工学版)2021，51，1： | 2 |
| 3 | Wing walls for enhancing the seismic performance of reinforced concrete frame structures显示文摘A building retrofitted with wing walls in the bottom story, which was damaged during the 2008 M8.0 Wenchuan earthquake in China, is introduced and a corresponding 1/4 scale wing wall-frame model was subjected to shake table motions to study the seismic behavior of this retrofitted structural system. The results show that wing walls can effectively protect columns from damage by moving areas that bear reciprocating tension and compression to the sections of the wing walls, thus achieving an extra measure of seismic fortification. A ‘strong column-weak beam' mechanism was realized, the flexural rigidity of the vertical member was strengthened, and a more uniform distribution of deformation among all the stories was measured. In addition, the joint between the wing walls and the beams suffered severe damage during the tests, due to an area of local stress concentration. A longer area of intensive stirrup is suggested in the end of the beams. | Yang Weisong Guo Xun Xu Weixiao Yuan Xin | 2016 | Earthquake Engineering and Engineering Vibration2016，15，2： | 1 |
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