摘要
对冻结地层钻爆施工中的机具冷冻、钻眼工艺对冻结管的影响、光面爆破和冻结管的偏斜等工艺技术与安全问题进行了分析讨论，并提出了对策与建议。
Discussed and analysed some influnced on machines and tools,drilling technology,freezing pipe skewness including smooth-surface blasting and safety problems under freezing stratum.Offered some counter measures and suggestions for reference.
关键词
凿井技术
冻结地层
爆破施工
井筒
blasting,freezing,safety,shaft sinking technology
