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Key Management Points for Drill Pipe Extraction in Long Auger Drilling Rig Construction

2014-10-20 769 0人评论

长螺旋钻机施工提钻管理要点如下：

长螺旋钻机

1、长螺旋钻机操作人员应经培训合格，并持证上岗。

2、应编制详细的提钻工序作业指导书，并逐级进行技术交底，机械设备要有操作规程，做好提钻施工记录。

3、钻头钻到设计标高后，桩机反向旋转提升螺纹钻头，提升速度和旋转速度在提钻过程中应保持同步和匹配。提钻时，钻头到达不塌孔位置或地下水位以上，方可停止泵压混凝土。

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Key Management Points for Drill Pipe Extraction in Long Auger Drilling Rig Construction

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Key Management Points for Drill Pipe Extraction in Long Auger Drilling Rig Construction

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