한국지반공학회:학술대회논문집 (Proceedings of the Korean Geotechical Society Conference)

한국지반공학회 (Korean Geotechnical Society)
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Spreadsheet를 이용한 연직배수공법의 확률론적 해석

Probabilistic Analysis of Vertical Drains Using Spreadsheet

  • 김성필 (한국농어촌공사 농어촌연구원) ;
  • 허준 (한국농어촌공사 농어촌연구원) ;
  • 윤창진 (한국농어촌공사 농어촌연구원)
  • Kim, Seong-Pil (Rural Research Institute, Korea Rural Community Corporation) ;
  • Heo, Joon (Rural Research Institute, Korea Rural Community Corporation) ;
  • Yoon, Chang-Jin (Rural Research Institute, Korea Rural Community Corporation)
  • 발행 : 2010.09.09
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초록

The conventional factor of safety as used in geotechnical engineering does not reflect the degree of uncertainty of the relevant parameters. Then in the geotechnical engineering, there have been efforts to reflect the uncertainties of the geotechnical properties through probabilistic analysis. In this study, a practical method for calculation the second moment reliability index using the optimization tool of a spreadsheet software is introduced. And this methodology was proposed by Low, B. K.(1996). The method is based on the perspective of an ellipsoid that just touches the failure surface in the original space of the variables. The method is applied to vertical drains(PVD) and compared with th result of Monte Carlo Simulation method.

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