Knee of the curve in accordance with the design of tubular beam kit can provide protective effects of restraint, restraint stress produced by ligaments to help share the load.
依膝部曲线设计的筒状束套，能提供束缚防护效果，束缚产生的压力能协助分担关节韧带的负荷。
The effects of flaw, connection, flange and form of knee on fatigue strength of beam brackets are discussed.
在此基础上，讨论分析了焊接缺陷、连接形式、肘板形状以及折边等因素对梁肘板疲劳性能的影响。
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