作　　者： ; ; (关宏志）;

机构地区： 故宫博物院

出　　处： 《中国文物科学研究》 2015年第2期79-84,共6页

摘　　要： 为保护故宫太和殿,采用数值模拟方法,研究了太和殿的结构现状特征。采用ANSYS有限元程序,考虑榫卯节点、斗拱连接等构造,建立了太和殿有限元模型。分别对模型进行自重作用、风荷载作用下的静力分析及8度常遇地震作用下的时程响应分析,获得了太和殿在不同荷载作用下的内力及变形分布特征,评价了太和殿的结构安全现状。结果表明:重力及风荷载作用下,太和殿结构的内力、变形均在容许范围内;地震作用下,结构保持稳定状态,且榫卯节点及斗拱构造有利于减震。因此,太和殿结构现状是安全的。 To protect Taihe Palace in the Forbidden City,its structural situation was studied by simulation.Its finite element was built by ANSYS program considering constitutions of Chinese ancient buildings,such as tenonmortise joint,tou-kung(bracket sets) and so on.Static analysis under gravitation as well as wind loads,and dynamic analysis under 8-degree intensity of frequently occurred earthquakes were carried out.Its internal force and displacement distributions were obtained;the structural safety was further evaluated.Results show that under static loads,both internal forces and displacement values of Taihe Palace are within proper safety range;under seismic loads,the structure keeps stable vibration status,constitutions such as tenon-mortise joints and tou-kungs are helpful for vibration mitigation.Thus the structural situation of Taihe Palace is safe.

关 键 词： 太和殿 结构现状 有限元分析 古建筑 木结构

领　　域： [建筑科学]