Abstract
The hole drilling method used for the stress state identification is currently standardized by the E 837 international standard. It is based on relaxation of the residual stress in vicinity of the drilled hole. Relaxation of the residual stress relieves deformations which are measured with strain gage rosette. However, using the theory E 837 does not correct the influence of the experimental hole imperfections (eccentricity, roundness, perpendicularity) on this experimental method accuracy. This article analyzes the extent of errors that affect these imperfections.
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