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Progressive Collapse Analysis of Reticulated Shell Structure under Severe Earthquake Loading Considering the Damage Accumulation Effect
A reticulated shell is one of the conventional long-span space structures, prone to progressive collapse under a severe earthquake because of its unique single-layer feature. However, the collapse mechanism of this type of structure has not been well studied. In this paper, a numerical modeling technique using the fiber beam elements is developed. A corresponding material model, based on the inclusion of damage accumulation, is also developed in order to determine the failure criteria of structural members. An effective way to simulate the buckling behavior of the structural members is also used in the numerical simulation. The relevant numerical method is developed and validated against experimental tests: good agreement is achieved. Based on this numerical method, a parametric study of the reticulated shell under severe earthquake loading is performed, the responses of the structure are investigated, and a three-stage collapse mechanism of this type of structure is observed.
Progressive Collapse Analysis of Reticulated Shell Structure under Severe Earthquake Loading Considering the Damage Accumulation Effect
A reticulated shell is one of the conventional long-span space structures, prone to progressive collapse under a severe earthquake because of its unique single-layer feature. However, the collapse mechanism of this type of structure has not been well studied. In this paper, a numerical modeling technique using the fiber beam elements is developed. A corresponding material model, based on the inclusion of damage accumulation, is also developed in order to determine the failure criteria of structural members. An effective way to simulate the buckling behavior of the structural members is also used in the numerical simulation. The relevant numerical method is developed and validated against experimental tests: good agreement is achieved. Based on this numerical method, a parametric study of the reticulated shell under severe earthquake loading is performed, the responses of the structure are investigated, and a three-stage collapse mechanism of this type of structure is observed.
Progressive Collapse Analysis of Reticulated Shell Structure under Severe Earthquake Loading Considering the Damage Accumulation Effect
Zhou, Haitao (author) / Zhang, Yigang (author) / Fu, Feng (author) / Wu, Jinzhi (author)
2018-01-18
Article (Journal)
Electronic Resource
Unknown
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