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http://dx.doi.org/10.5000/EESK.2006.10.4.025

Development of Curve Fitted Equations for Dynamic Behavior of Various Buried Pipelines  

Kim, Sung-Ban (부경대학교 토목공학과)
Jeong, Jin-Ho (부경대학교 건설공학부)
Joeng, Du-Hwoe (부경대학교 건설공학부)
Lee, Kwang-Yeol (동서대학교 토목공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.10, no.4, 2006 , pp. 25-33 More about this Journal
Abstract
The purpose of this study is to develop the curve fitted equations for practicality and actual calculation during seismic performance evaluation of buried pipelines. Curve fitting for strain curve according to the wavelength of the seismic wave was produced using the non-linear least square method and the equations with the best results was suggested. In addition, a degree and coefficient of polynomial fitting equation needed to use curve fitted equation were identified. Interpreting process during the test of resistance of earthquake of buried pipelines with various end boundary conditions were provided through example questions. The results of this study were used to conduct a dynamic response analysis and a seismic performance evaluation of concrete, steel, and FRP pipes with various end boundary conditions.
Keywords
buried pipelines; seismic performance evaluation; curve fitting;
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