Preliminary Research on the Earthquake-Intensity Assessment Using the Mean Damage Index of Buildings with Earthqake-Resistant Design

Abstract eng:
The buildings referred in China Intensity Scale are those without earthquake-resistant design. With the development of the economy of China, the number of the buildings without earthquake-resistant design is decreasing. Assessment of earthquake intensity based on the damage state of buildings with earthquake-resistant design is urgently needed. In terms of the relations between seismic damage matrix and the mean damage index, also based on the seismic damage matrix of the frame structure and masonry structure, the authors fit the curves of seismic design intensity-the mean damage index, then establish the evaluation standards of the seismic intensity according to the damage state of the frame structure and masonry structure. The earthquakes in the past few years verify the method. This paper can offer some earthquake disaster datum and certain experience for the assessment of the earthquake intensity.

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