The value of frictional force of soil to pile body and resistance to pile toe has a close relation with the penetration depth and relative rigidity of soil layer at pile body and pile toe.
支承桩的桩身摩擦力和桩尖阻力的大小与入土深度及桩身、桩尖处土层的相对刚度密切相关。
In order to analyze the distribution of internal frictional force and determine the least layer number for expansion of coiler, the coiling process was studied with FEM.
为了分析热轧带钢在卷取过程中层间摩擦力分布和确定卷筒胀径时最小带卷层数，利用有限元的手段再现了热轧带钢卷取的全过程。
The results indicated that the distribution of frictional force is changed from layer to layer, and 5 layers of strip are enough for stable coiling.
研究结果表明：摩擦力分布和胀径时热轧带钢的层数有关，当热轧带钢卷取到第5层时卷筒进行胀径可建立稳定的卷取状态。
The coating layer is a Telfon coating layer, namely a polytetrafluoroethylene coating layer, the coating layer can reduce frictional force, which leads the cylinder wall to be more wear-resisting.
涂层为特氟龙涂层，即聚四氟乙烯涂层，涂层可以减少摩擦力，使气缸壁更加耐磨。
The coating layer is a Telfon coating layer, namely a polytetrafluoroethylene coating layer, the coating layer can reduce frictional force, which leads the cylinder wall to be more wear-resisting.
涂层为特氟龙涂层，即聚四氟乙烯涂层，涂层可以减少摩擦力，使气缸壁更加耐磨。
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