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。
Most of bolts have baring capacity of 600kn. But some grouting bolts have problems such as excessive deformation and less baring capacity.
大部分锚杆可以承受600kn的拉拔力，但也有一些锚杆存在变形较大和承受超载能力不强等问题。
Unsuccessful corner filling and excessive deformation force are the main limitations of classical cold closed-die forging of straight spur gear.
齿形充填不满和成形力过高是齿轮闭式锻造典型方案的缺陷。
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