The performance of various of cable conduits is analyzed. The inspection of cable conduits and test of friction coefficient is described. The buried depth of cable conduits is calculated.
The scratch depth of BCN films were mainly depended on the component of bonding structures in the films, but the effect of bonding structures on the friction coefficient was not obvious.
BCN薄膜的划痕深度与薄膜的结构密切相关，而摩擦系数受薄膜结构的影响不明显；
3
The vertical load transmission mostly depends on the side friction of pile, and there is an optimal range of depth for side friction.