Overall And Individual Analysis And Comparison Of A Large Span Roof Structure

With the development ofeconomy and the level of design and construction.More andmore large-span stadiums, exhibition halls and other projects are in building. For theanalysis and design of large-span steel roof, the traditional methodis often analysis theupper and lower RC structures separately, consider the elastic stiffness of the RCstructure into the individual model. This kind of calculation takes the structure of thelower boundary conditions into account, but did not consider the weight andsubstructure under the roof amplification of seismic response. This paper analysis thestructure of Liaocheng Springs Museum under the action of gravity, temperature andearthquake through comparing structure effects in the two different models.Confirmedthat in the introduction of the elastic support, which accurately reflects the lateralstiffness of the lower structure, the force and displacement of the separated model issimilar with the comprehensive model, under the action of dead load, live load and windload. However，have much difference under the action of earthquake...