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Dynamic performance analysis of the Great Buddha Hall of Huishan Temple

TONG Liping;JIANG Hao;LIU Yingyang;WANG Wenhua;School of Civil Engineering, Zhengzhou University;Zhengzhou World Cultural Heritage Protection Management Office;  
To study the structural performance and provide guidances for the protection of the Chinese famous ancient buildings, the Great Buddha Hall of Huishan temple, a site survey of the Great Buddha Hall is conducted. The point cloud technology is adopted to build and verify the numerical analysis model. An effort is made to analyze the dynamic characteristics of the Great Buddha Hall and the dynamic responses when the structure suffered to the frequent earthquake actions. The results indicate that the fundamental natural period of vibration is 1.82 s. Under the longitudinal frequent earthquake action, the displacement of the brim pillar is more serious than that of the hind eave. Except translation responses, the structure also exists the torsion responses. Under the transversal frequent earthquake action, there are relative large displacement differences between the bright eave and second eave, and slides may occur for the purlin and balk which used to link the bright eave and second eave. With the effect of bidirectional earthquake action, the largest displacement differences of the structure is 1.1~1.2 times larger than those under the unidirectional earthquake actions. The effect of torsion is more obvious than that under the unidirectional earthquake actions. The study could be a basis for reinforcing the great buddha Hall of Huishan temple and a reference for repairing other ancient timber buildings.
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