The paper presents the design criteria and method for arresting crack and burst of the internal pressured vessels of big pipes with circular surface crack by arched strip and wound wire.
本文介绍了含有表面环向裂纹的内压简体及大型管道采用轴向加弧形务板与钢丝缠绕的止裂、抑爆设计原则及设计方法。
The stress required for producing internal crack decreases since there are loci of cracks in the slab caused by the surface crack, so the longitudinal cracks from inner to surface form easily.
由于铸坯表面裂纹形成的裂纹灶，降低了产生内裂所需要的应力值，易于形成内、外相连的纵裂。
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