In this study, an interpretation method is proposed to evaluate the stress conditions, including individual excess pore pressure components ($Delta{u}_{oct}$/ and $Delta{u}_{shear}$), of normally consolidated clay elements adjacent to the cone face. It is assumed that the stress path of triaxial compression is representative f3r that of the soil element and the soil is elastic-perfectly plastic material. The proposed method is applied to the results of miniature piezocone tests conducted at Louisiana State University calibration chamber system. Based on the results of interpretation, it was found that the ratio of $Delta{u}_{oct}$/ $Delta{u}$and $Delta{u}_{shear}$/$Delta{u}$ estimated by the proposed method is affected only by the pore pressure parameter. The proposed method gives consistent and reliable values of $Delta{u}_{oct}$/ $Delta{u}$and $Delta{u}_{shear}$/$Delta{u}$ compared with early works, whereas those obtained by other solutions are significantly dependent on the accuracy in estimating soil properties such as undrained shear strength and rigidity index.