Ultimate load designs according to the yield-line or strip methods do not guarantee safety against cracking or excessive deformation.
接屈服线法或条带法的极限荷载设计不能完全保证抗裂或防止过度变形。
Structure testing in low magnificution, chemical composition analysis and microstructure examination were used to analyze the edge cracking of strip steel coil.
采用低倍组织试验、化学成分分析及金相检验等方法，对出现边裂的带钢卷进行了解剖分析。
The mechanism and cause of edge cracking defect of hot-rolled strip in Kunming Iron & Steel co.
对昆钢热轧板卷边裂缺陷机理及成因进行了研究分析，提出了相应的预防控制措施，取得了较好的效果。
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