Analysis on Structural Property and Seismic Performance of the P’ai-Lou Gateways in Xi'an Great Mosque
Study on the mechanics performance of ancient Chinese timber structure is of great significance. The paper based on P’ai-lou of Xi'an Great Mosque as the research object, and used spring elements to simulate semi-rigid of mortise-tenon joints, just answered to the finite element numerical analysis. The stiffness values of mortise-tenon joints were got by nonlinear contact analysis; Under the vertical load, the inner force of structure is far less than its design value, and the safety margin of structure is above 60%; The differential motion equation of structure was given, the first six natural frequencies and the vibration performance of the P’ai-lou were got by the model analysis; Based on Spectrum analysis and time-history analysis , the results show that the ancient Chinese timber structure is soft, and has a better energy consumption performance as well as a "meet strong a strong" intelligent shock absorption characteristics. Analysis and calculation results provide the theory basis for maintenance and protection of ancient Chinese timber structure.
Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu
D. F. Gao et al., "Analysis on Structural Property and Seismic Performance of the P’ai-Lou Gateways in Xi'an Great Mosque", Advanced Materials Research, Vols. 295-297, pp. 1441-1446, 2011