Assessment of indicators validity conditioning soils liquefaction
Keywords:
validity, indicator system, soil licuefaction, Kendall coefficientAbstract
Mathematical validation is an ideal tool for studying scientific facts. The liquefaction of soils is one of the most catastrophic natural phenomena caused by an earthquake, which can be evaluated from the mathematical field. This research comes up from the need of validating numerically the system of indicators used in evaluating the potential for liquefaction soils, proposed by Fernández (2015), for its effective and efficient use in defining sensitive scenarios to this natural phenomenon. The purpose of this research is to evaluate the validity of indicator system as a first step for the mathematical validation process. The study material included the master thesis of Fernández (2015) entitled Liquefaction of soils generated by large-scale earthquakes. Case study: Caimanera and Santiago de Cuba. The method used for validating check was Kendall concordance coefficient. In addition, SPSS Statistics Viewer (version 25) was used. It was concluded that the system of indicators proposed by Fernández (2015) lacks a mathematical validation process to consolidate its usefulness according to the purpose for which it was designed. Applying of Kendall’s coefficient showed that there is no agreement between the assigned criteria to the authors by Fernández (2015) for a value of 0.189. It is suggested to consider the Delphi method for validating indicator system effectively, that account should be taken of the Delphi method, to redefine characteristics of indicators, the correspondence between the area of study and the representativeness of the sample.Downloads
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