An X-ray Radiometric Technique Developed for Determining Principal Stresses in Gas and Oil Pipelines Following Shot-Blasting Treatment

摘要

An X-ray radiometric technique is proposed for determining principal stresses in oil and gas pipelines following shot-blasting treatment. Its physical essence is based on the elaboration of experimental dependences between the radioisotopic parameter and the specific volume of a crystallographic unit cell of the alpha phase. The suggested technique is implemented under field conditions of pipeline routes and makes it possible to reveal the character and value of principal stresses.