An introduction is made on the construction process of artificial hole pile including holing, wall protection, fabrication and installation of reinforcing cage, pile core concrete grouting etc.
介绍人工挖孔桩的成孔、护壁、钢筋笼制作和安装、桩芯混凝土浇灌等施工过程。
2
The invention relates to a field of an ac motor design and manufacture, in particular to an ac motor structure capable of eliminating stator core buckle slab external squirrel cage effect.