用单边预裂纹拉伸试样测定了焊接接头各部位的应力强度因子K1值。
The stress intensity factors K1 of various position of welded joint were measured by single edge precracked tensile specimen.
结果表明动态应力强度因子的最大值在加载时间上有滞后性现象，它的最大值随厚壁筒尺寸增加而增加。
The result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder.
利用此式能较方便地计算出带裂纹机架的应力强度因子值。
With this formula the intensity factors of the rollhousings with a crack in the corner can be evaluated conveniently.
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