This paper takes a commercial building reinforcement project in Xinjiang as the background,and proposes a reinforcement scheme combining traditional reinforcement techniques with energy dissipation and seismic reduction techniques to address the problem that the choice of longitudinal reinforcement grades for the beams and columns on the first and second floors of the building project did not match the design requirements during construction,resulting in most of the frame beams and columns not meeting the seismic bearing capacity requirements.Based on softwares PKPM and ETABS,the reinforcement scheme was optimized and adjusted.Through extensive data analysis,while the time responses of the structure under the action of rare earthquakes were analyzed using software Perform-3D.Conclusions are obtained:(1)After the seismic strengthening,the structure meets the target of"no damage in small earthquakes and no collapse in large earthquakes".(2)Through the reasonable arrangement of viscous damping walls,the seismic action is reduced and the amount of traditional strengthening is significantly reduced.
关键词
碳纤维布/外包钢法/增大截面法/黏滞阻尼墙/有限元分析
Key words
carbon fiber/steel-wrapped method/increasing section method/viscous damping wall/finite element analysis
维普
万方数据