Structural Design And Mechanics Analysis For Double-T Slab Roof Repository

Double T slab roof is a unity of roof beam slab type, with light weight, less component, fast construction, etc.Double T slab end embedded parts and pillars ring beam welding, and differ from that of traditional bent frame structure roof system.Papers on the storability of double T slab roof grain mechanical performance was studied.According to the wall stress, compare the height of the heap of grain is obtained by calculation of fixed value, the optimal wall thickness and grain ring beam spacing, as well as in the case of the same warehouse capacity, bulk grain storability and choose large span more economic and reasonable. By using finite element analysis software, the grain on the modal analysis, to study the influences of span on the structural dynamic characteristic.Using modal decomposition response spectrum method, analysis of the horizontal seismic action and the deformation regularity of structure under vertical earthquake, it is concluded that the vertical earthquake action is horizontal seismic action smaller influence on displacement of the structure.Based on double T slab roof structure in the earthquake under the action of internal force analysis, it is concluded that the vertical seismic action had a greater influence on the internal force of the whole structure, especially in double T slab and ring beam joint internal force change is obvious.Under horizontal seismic action, double T slab roof structure of spatial stress characteristic obviously, and the bent frame structure calculation has great difference.According to the result of internal force analysis, and discusses the double T slab connection with pillars ring beam construction measures.