Numerical Study of Rock Identification Number β in Pressuremeter Test

摘要

In this study an empirical formulation to estimate the identification number of transversely isotropic rock β was developed. The empirical formulation is formulated based on a numerical study, using ABAQUS finite element program to model the pressuremeter test, to explore the effect of the cross-anisotropy of geomaterials on β. The FE analysis results were statically analyzed to establish a possible systematical empirical correlation that is capable of predicting the transversely isotropic rock identification number p. the developed formulation shows a superior capability to predict the identification number β. Parametric study has been also conducted to define the significant factors affecting identification number of cross-anisotropy geomaterial β.