西藏旁多水利枢纽深厚砂卵石层的钻进方法

Drilling method of deep sand and pebble layer for Tibet Pangduo hydro junction

文章结合西藏旁多水利枢纽深厚砂卵石层的特点,详细阐述了深厚覆盖层的成因、冰积层深厚砂卵石层的钻进方法、设备机具的选择、钻进工艺和效果。

Combined with the characteristics of deep sand and pebble layer for Tibet Pangduo hydro junction,the paper introduces the genesis of deep overburden layer,the drilling method,the equipment choice,the drilling technique and effect in the ice deep sand and pebble layer with ice layer in detail.