程潮铁矿井区变形监测分析及处置建议

程潮铁矿东主井和西风井区相继出现地表裂缝和井筒开裂现象，且地表裂缝范围在不断扩大，已经对东主井和西风井的结构安全构成威胁。为此，主要依据井筒开裂和地表裂缝的现场调查以及在变形监测的基础上，对井筒结构及地基变形开裂的岩体力学机理进行分析，探讨了东主井和西风井井区地表变形和井筒开裂的成因，得出地下水疏干和地下采矿是引起地表变形和地面塌陷现象的直接原因，而矿区工程地质构造和水文地质条件等对地表变形特征产生影响，并提出了相应的减缓井区地表变形的措施。

Monitoring Analysis of Well Area Deformation and Disposal Propose in Chengchao Iron Mine

The surface cracks and wellbore cracking phenomenon have appeared successively in the area of the east and west air shaft well of Chengchao iron mine,and the surface cracks scope is also in the unceasing expansion.It has already threatened the safely of the east and west air wellbore structure.Based on the deformation monitor situation of the wellbore cracking and the surface fissures as well as the scene investigation,the mechanics mechanism of the wellbore structure and foundation deformation was studied.It analyses the causes which results in the surface deformation and the wellbore cracking in the east and west air shaft well area,and obtains the drainage of underground water and underground mining are the direct causes of the surface deformation and the ground subsidence phenomenon,moreover the engineering geology structure and the hydro-geological conditions in the mining area also have influence to the surface deformation characteristic,and some corresponding measures to slow down the surface deformation in the wellbore areas is proposed.