摘要
施工采用8线8炮制束状观测系统,控制勘探区2、8号煤层埋藏深度及起伏形态和直径大于30米的陷落柱,查明了落差大于或等于7米的断层。
This construction uses 8 8 to concoct ties the shape observation system, the control exploration area 2, 8 coal bed burial depth and the fluctuation shape and the diameter is bigger than 30 meter downcast columns, verified the dropping variance to be bigger than or to be equal to 7 meters faults.
出处
《应用能源技术》
2009年第11期11-12,共2页
Applied Energy Technology
关键词
陷落柱
煤层
Downcast column
Coal bed