shaft pillar

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.

通过对樟村坪磷矿地质环境的分析 ,研究了在一定条件下 ,开采建筑物下矿体时不留保安矿柱的可能性和可行性 ,探讨了按松散系数计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;

缓倾斜薄矿体保安矿柱回收的可行性研究

The monitoring data analysis of geopressure during stoping of protecting pillar;

保安矿柱回采地压监测数据分析

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

程潮铁矿保安矿柱控制开采相似模拟实验研究

Safe Mining Feasibility of Permanent Waterproof Jamb in Kangjiawan Mine

康家湾永久防水矿柱安全开采可行性

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

狮子山铜矿采空区矿柱安全回采技术与实践

pillar robbing

【采矿】回收矿柱法

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.

第十四条矿山设计规定保留的矿柱、岩柱，在规定的期限内，应当予以保护，不得开采或者毁坏。

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

两队机枪兵应该保护你的矿柱免受蜂群的袭击。

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

陕北中小矿井条带保水开采煤柱稳定性研究

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

基于地表变形预计的矿区保护煤柱留设方法

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

保安煤矿西翼3煤层开采安全性研究

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

异质界面控制爆破技术在安庆铜矿高阶段矿柱回采中的应用

Federal Coal Mine Health & Safety Act

联邦政府煤矿保健和安全法令

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

煤矿通防安全保障的模型与方法研究

Reinforcing Fundamental Management and Improving Safety in Colliery

强化基础管理 提升煤矿安全保障水平

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

煤矿采空区油气管道安全保护与管理

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

加强必知必会培训 保证煤矿安全生产

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

绑扎柱筋，垫保护层垫块，安放埋件、拉结筋。

Conservation of Indian Totem Column and Tourism in Canada

加拿大印第安人图腾柱文化遗产保护与旅游

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

基于空区实测的采场回采质量评价与矿柱安全高效回采研究