Seismic Analysis Of Tou-Kung In Ancient Wooden Building

Chinese ancient wooden buildings are important in Chinese traditional culture, and to some degree they represent the development level of science and technology in ancient China. How to protect the cherished relic from being destroyed by earthquakes is a great challenge to us.A kind of extremely unique built-up appears during the timber structure system developing process. Its name is Tou-Kong. It manifests maturity of the tenon and the mortise's technology. In this paper ,with the aseismic behavior of Chinese ancient buildings in several respects of the structual system and form , introduced the form and function of Tou-Kung in structure .the main purpose of the research that the basis of theory is provided about seismic characteristic of Tou-Kung. The paper analyzes the work mechanism, the destruct shape and the seismic characteristic of Tou-Kung. Combined with previous results of test, the nonlinear behavior of stiffness was studied. In addition, the ductile coefficients and viscous damping ratio were obtained. Base on these research, the complete analysis of ancient timber structure under earthquake are carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings are also taken into account. Comparing the results of theoretical and research, it is shown that the simplifying model is reasonable. These studies will take important part in intending structure inspection, seismic appraiser; seismic strengthening of historic timber structure buildings, and will provide very useful suggestions to modem building construction.