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http://dx.doi.org/10.5000/EESK.2005.9.3.001

A Methodology of Seismic Damage Assessment Using Capacity Spectrum Method  

Byeon, Ji-Seok (삼성에버랜드(주) 방재컨설팅팀)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.9, no.3, 2005 , pp. 1-8 More about this Journal
Abstract
This paper describes a new objective methodology of seismic building damage assessment which is called Advanced Component Method(ACM). ACM is a major attempt to replace the conventional loss estimation procedure, which is based on subjective measures and the opinions of experts, with one that objectively measures both earthquake intensity and the response ol buildings. First, response of typical buildings is obtained analytically by nonlinear seismic static analysis, push-over analyses. The spectral displacement Is used as a measure of earthquake intensity in order to use Capacity Spectrum Method and the damage functions for each building component, both structural and non-structural, are developed as a function of component deformation. Examples of components Include columns, beams, floors, partitions, glazing, etc. A repair/replacement cost model is developed that maps the physical damage to monetary damage for each component. Finally, building response, component damage functions, and cost model were combined probabilistically, using Wonte Carlo simulation techniques, to develop the final damage functions for each building type. Uncertainties in building response resulting from variability in material properties and load assumptions were incorporated in the Latin Hypercube sampling technique. The paper also presents and compares ACM and conventional building loss estimation based on historical damage data and reported loss data.
Keywords
earthquake loss estimation methodology; pushover analyses; building damage functions; repair/replacement cost analysis; Monte Carlo simulation;
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