Study on a Building Striding over Ground Fissure in Xi’an

Ground fissures have a huge impact on the safety of engineering structures. Based on weakly active and relative stable ground fissure, a building striding over ground fissure in Xi’an was researched. From the cause and distribution of ground fissure, failure mechanism, destroy mode and preventive countermeasures were studied. Finite element software SAP2000 was used to research the structure by linear static and nonlinear static analysis. Initial displacement which imitated the value of ground fissure activity was applied to the structure, and quantitative analysis was conducted in adverse effect of ground fissure activity on the structure. Critical location of the structure, the time, position and amount of plastic hinges were studied. Based on the analysis results, preventive countermeasures were proposed.