川南煤田洛表勘查区岩石工程地质特征分析

Rock Engineering Geological Characteristics in the Luobiao Exploration Area, Junlian Coal Field

洛表勘查区位于川南煤田筠连矿区东段,区内岩石种类较多,工程地质类型为中等型,地质构造复杂程度属中等。根据工程岩组划分、岩体结构面特征、井巷围岩工程地质特征等方面进行分析,结合对各类岩石的试验成果资料,确定区内各类岩石强度等级、特别是与未来矿山建设有关的煤层顶底板的岩石强度等级,可为未来矿山建设提供地质参考资料。

The Luobiao exploration area is located at the eastem district of the Junlian Coal Field and characterized by multiple rock type, middle complicated engineering geological type and complicated geological structure. This paper deals with strength grade of various rock, especially, coal seam roof and floor rock based on division of engineering rock group, rock mass structure surface characteristics and wall rock engineering geological characteristics with different test results.