本文概括地介绍了国内外十余种钢轨温度应力(或锁定轨温)测定方法,其中包括在我国已有五个铁路局全面或部分推广的“标定轨长”法,以及日、美等国的研究概况。 This article gives a brief introduction of the methods of measuring temperature stress (or locked temperature) of more than ten kinds of railroad at home and abroad, including the “standard rail length” method that has been extended in all or part of China’s five railway bureaus, as well as Japan, the United States and other countries Research overview.