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本文以现场实测的数据为基础,并以更符合实际的焊接试样所测出的断裂韧度值,对容积为1000立方米的球罐进行了弹塑性断裂力学分析,并给出容许的裂纹尺寸临界曲线,为判断球罐安全使用提供了必要的依据。
Based on the field measurements and the fracture toughness measured with a more realistic welding specimen, the elastic-plastic fracture mechanics analysis of a spherical tank with a capacity of 1000 cubic meters was conducted and the allowable cracks The size of the critical curve, to determine the safe use of the tank provided the necessary basis.