Sustainable Evaluation Of Urban Buildings For
Safety In Environment Management:
The Case Of The Taiwan 921 Earthquake
Author(s)
C.-H. Tu & K.-W. Tsou
Abstract
After the 921 earthquake in Taiwan, people have a great fear of earthquakes. In
terms of disaster characteristics in earthquakes, the casualties were caused by
breakages and the collapse of the buildings. The ability of the building to resist
earthquakes becomes a fundamental requirement for earthquake prevention. The
factors that influence the ability of a building to resist earthquakes can be
categorized into two: the characters of natural environment and the characters of
the building itself. The Binary Regression Method was used to construct a
forecast model for the hazardousness of the building in an earthquake disaster,
and to differentiate the relationship between damage to the building and the
characters of the building by the coefficients in the model. In this study, which is
in accordance with building damage records of the Gi-Gi earthquake, nine
factors, namely the distance between the building and a river, the thickness of the
soil, the structure of the building, the number of floors a building has, the age of
the building, the use of the building, the plane configuration of the building, any
skylights and the situation of any overprint on the roof, are determined in the
logistic regression model, and the relationship between these factors and the
grades of building damage are also analyzed by the model. In the aspect of
model application, this study chooses parts of the areas in the east of Tainan
City, which provide similar environmental conditions, calculates the danger
probability and transforms these into the building prediction results in safety,
danger and collapse. The prediction results are proved credible and valid through
examination.
Keywords: the building hazard in earthquake disasters, the logistic regression
model.
Keywords
the building hazard in earthquake disasters, the logistic regression
model.
Related Book
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