safety ore pillar

Without other safety measures, some safety ore pillars have to be reserved to prevent the ground buildings and constructs and the main shafts from being damaged during underground mining.

礦床地下開采時,在沒有其他安全措施的情況下,不得不采用預留安全礦柱的方法,以保護地面建筑物、構筑物和主要井巷免受因地下采礦而引起的破壞。

By analysing geological environment of Zhang Cun Ping Phosphorus Mine,the possibility and feasibility of mining under buildings in certain conditions without retain safe posts have been studied.

通過對樟村坪磷礦地質環境的分析 ,研究了在一定條件下 ,開采建筑物下礦體時不留保安礦柱的可能性和可行性 ,探討了按松散系數計算安全深度的原理和方

Feasibility study on recovery of safety pillar in process of mining flat-grade thin orebody;

緩傾斜薄礦體保安礦柱回收的可行性研究

Study on Control Mining of Safety Pillar by Similarity Simulation Experiment in Chenchao Iron Mine

程潮鐵礦保安礦柱控制開采相似模擬實驗研究

Safe Mining Feasibility of Permanent Waterproof Jamb in Kangjiawan Mine

康家灣永久防水礦柱安全開采可行性

The Technology and Practice of the Safe Pillar Stoping in the Mined Area of Shizishan Copper Mine

獅子山銅礦采空區礦柱安全回采技術與實踐

pillar robbing

【采礦】回收礦柱法

Article 14 Mine pillars and rock pillars to be preserved as specified in the mining designs shall, within the prescribed period of time, be protected and may not be exploited or damaged.

第十四條礦山設計規定保留的礦柱、巖柱，在規定的期限內，應當予以保護，不得開采或者毀壞。

The 2 Riflemen should protect your Tiberium Spike from Buzzer attacks.

兩隊機槍兵應該保護你的礦柱免受蜂群的襲擊。

Study on Pillars Stability by Keeping Water in Strip Mining for Small and Medium-sized Mines in Northern Shanxi Province

陜北中小礦井條帶保水開采煤柱穩定性研究

Method of designing protection coal pillar in mine area based on prediction of surface deformation

基于地表變形預計的礦區保護煤柱留設方法

Study on Extraction Security of No.3 Coal Seam in West Wing of Baoan Coalmine

保安煤礦西翼3煤層開采安全性研究

The Application of Heterogenous Interface Control-blasting Techniques in the Mining of High-level Pillars at Anqing Copper Mine

異質界面控制爆破技術在安慶銅礦高階段礦柱回采中的應用

Federal Coal Mine Health & Safety Act

聯邦政府煤礦保健和安全法令

Study of the Model and Method for Safety-Ensuring of the Ventilation and Prevention in the Coal Mine;

煤礦通防安全保障的模型與方法研究

Reinforcing Fundamental Management and Improving Safety in Colliery

強化基礎管理 提升煤礦安全保障水平

Safety Protection and Management of Oil-Gas Pipeline in Coal Minded Area

煤礦采空區油氣管道安全保護與管理

Strengthen "Must know will be" Training,Guarantees Coal Mine Safety Production

加強必知必會培訓 保證煤礦安全生產

Column rebars and cushion block work, install the steel inserts and wall binding rebar.

綁扎柱筋，墊保護層墊塊，安放埋件、拉結筋。

Conservation of Indian Totem Column and Tourism in Canada

加拿大印第安人圖騰柱文化遺產保護與旅游

Research of Extraction Quality Evaluation of a Stope and Safety and High-efficiency Extraction of Ore Pillar Based on a Cavity Monitoring System

基于空區實測的采場回采質量評價與礦柱安全高效回采研究