永宁河

永宁河永宁河
  1. 旋挖钻机在永宁河特大桥不同地层中的应用

    Application of Rotary Drilling Rig in Different Strata of Yongning River Bridge

  2. 永宁河四级电站导流洞塌方分析及处理

    Analysis and Treatment on Collapse of Diversion Tunnel of Yongning River Hydropower Station ⅳ

  3. 合宁铁路永宁河1、2号特大桥钻孔灌注桩基础采用旋挖钻机施工。

    Rotary drilling rig is used in bored pile construction of No.1 and No.2 Yongning River Bridge in Hefei-Nanjing Railway .