Study on Earthquake Damage Distribution of Multistory Masonry Buildings

The main components which affect the earthquake damage grades classification of multistory masonry buildings and the damage characters are summarized and analyzed through the statistics and analysis of a large number of previous earthquake damage data. According to the standard of earthquake damage grades classification, the damage numbers of each component of multistory masonry buildings under different earthquake damage indexes are analyzed quantitatively and the calculation formulas based on the relationship between the damage numbers of components and the earthquake damage index under different cases are given; Based on the structural analysis of multistory masonry buildings and the research of earthquake damage data, the calculation formulas of the earthquake damage distributions in different floors and main components' different positions on the same floor of multistory masonry buildings are given, which provides us a platform to objectively understand the earthquake damage distribution of multistory masonry buildings; The earthquake damage distribution is an important factor to affect the realistic degree of the 3-D damage models in the scene simulation system for earthquake disaster, this paper also provides a theoretical basis for the modeling of the 3-D damage models of multistory masonry structure; Finally, the earthquake damage distribution of the bearing wall of a five-storey masonry building in the minor damage has been given as an example.

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