Relationship between standard penetration number and chance reliability using liquefaction in soils Mas·hyy

Methods for assessing the liquefaction potential of soils Mas·hyy generally is determined based on the analysis. nalysis of precision in certain parameters, without dispersion and error are considered. Moreover, the use of these procedures between the occurrence of liquefaction and confidence there is no exact relationship. This answer can be given by reliability analysis. In this article, based on reliability analysis technique known as \"liquefaction otential assessment\" reference {1} and using the results of standard penetration test is expressed. Because this technique requires values Kmykrdn is uncertainty in the calculations, one can use statistical moments related to uncertain parameters such as mean, variance and probability density function values most likely in connection with their uncertainties calculated. Then, using advanced first order second moment methods) AFOSM (, one can alculate the reliability index and its relationship with the occurrence of liquefaction and confidence gained. For complete results data analysis using statistical regression based on Results 180 to a record 26 boreholes in ifferent parts of the region Babolsar, Rabthyy between normalized standard penetration number, the ratio of shear stress and chance Dvrhyy soil liquefaction has been suggested. Record Babolsar region, Lrz·hyy Profile Rabthyy between resistance and occurrence of soil liquefaction is proposed. Done well performance comparisons show the proposed relationshi