【摘要】 选用具有代表性的单层偏心支撑窑尾塔架结构进行反复荷载分析,得到不同耗能梁段长度的单层偏心支撑窑尾结构的受力状态和滞回曲线,定量的计算出结构所耗散的能量,以此为依据比较不同耗能梁段长度结构的延性和耗能能力,探讨耗能梁段长度和截面尺寸对结构耗能的影响。更多还原

【Abstract】 Seismic design optimization research on the eccentrically braced preheater tower was studied.First,a single-story eccentrically braced preheater tower structure was selected as a representation,on which the cyclic loading analysis is carried.And the optimal length of link was determined due to the energy dissipation capacity.The finite element model of eccentrically braced preheater tower structure was established,and modal analyses of centrically braced structure and eccentrically braced ones with different length of links were conducted as well as elastic response spctrum analysis and time-history analysis under frequent earthquake,and elastic-plastic time-history analysis under rare earthquake.Meanwhile,the dynamic characteristics and seismic behavior of every structure were compared.更多还原