Analysis on Causes of Large-scale Ordovician Karst Water Inrush at 27080 Working Face of Eastern Caoyao Mine
スポンサーリンク
概要
- 論文の詳細を見る
The large-scale Ordovician Karst water inrush occurred at 27080 working face in Caoyao Eastern Mine on December 23th, 2006, the maximum water inflow arrived at 1693 cubic meters per hour. The source of thiswater inrush was the Ordovician karst water; the dynamic condition was high hydraulic pressure; the water conducted channels were formed by hydraulic pressure and rock pressure in the weak area of floor; and thespace of that was offered by excavation. The proposals for preventing and controlling water were put forward.
論文 | ランダム
- 石炭燃焼設備の省エネ・環境改善 : ソフトウエア技術を活用した高効率・最適燃焼
- ソフトウエア開発工程の定量的特性(ソフトウエアの謎は有るか? 銀の弾丸は無いか?)
- 加齢に伴う話声位の変化
- Dysarthria における発話速度と音節の反復速度との関連性
- Dysarthria患者におけるポインティング・スピーチの有効性に関する検討