With the going deep of the research work, many researchers have realized that Rigid Body Limit Equilibrium Method is an imprecise moveable solution calculating process.
随着研究的深入，不少分析、研究人员认识到刚体极限平衡法是一种不严密的可动解求解过程。
From the Angle of relative equilibrium, the paper analysis the reason of the formation of the additional pressure on the axis of fixed-point rotation of rigid body.
从相对平衡的角度分析了刚体定轴转动轴上附加压力产生的原因以及实现自由转动的条件。
At present, the rigid-body limit equilibrium method adopted in the design of crane beam on rock wall can not reflect the actual mechanical behavior of crane.
目前，岩壁吊车梁设计所采用的刚体极限平衡设计方法还不能确切反映岩锚吊车梁的实际受力状态。
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