bite

With a metro project s application case,the paper introduces the constructional workmanship of the hydraulic,shaking and full casing drill machine and the key points of constructional techniques for installing the bored,interlocking secant pile.

利用延缓砼凝固时间的方法 ,巧妙地实现了相邻桩间的切割咬合。

To analyze the nonskid condition of the longitudinal knife of the splitting machine based on its force diagram,which provides theoretical basis for designing longitudinal knife.

由分切机纵切刀的受力图,分析纵切刀不产生打滑的条件,为设计纵切刀提供理论依据。