Advanced Steel Construction

Vol. 8, No. 1, pp. 1-16 (2012)




Yang Ding 1, Lin Qi 2,* and Zhongxian Li 3

1 Professor, Department of Civil Engineering, Tianjin University, Tianjin, China

2 Ph. d candidate, Department of Civil Engineering, Tianjin University, Tianjin, China

3 Professor, Department of Civil Engineering, Tianjin University, Tianjin, China

*(Corresponding author: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.)

Received: 25 December 2010; Revised: 7 April 2011; Accepted: 12 April 2011




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Based on mechanical characteristics of the members of single layer latticed shells, two buckling types of structural compression members are presented. The pre-buckling and post-buckling mechanical behaviors of the structural member are simulated by different models, and the refined member calculation model is established. In this model the second order effect of the member is considered, and the possible buckle-straighten processes of the members and the form-disappear processes of the plastic hinges of the structure under earthquakes can be simulated. Numerical structure models of commonly used single layer latticed shells are created to analyze the causes of structural dynamic damages under earthquakes. The calculation results indicate that dynamic damage causes of single layer latticed shells vary with different structural types: dynamic damages of single layer spherical latticed shells are caused by buckling members which weaken the structural bearing capacity; dynamic damages of single layer cylindrical latticed shells are caused by concentrative plastic hinges in the end sections of some members which make portions of the structure turn to mechanisms; dynamic damages of single layer elliptic paraboloid latticed shells are caused by combined actions of the two causes mentioned above.



Single layer latticed shell, Refined member calculation model, Member buckling, Plastic hinge, Second order effect, Dynamic damage cause


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