percussion-compact drilling
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冲击挤密钻进
- 引用次数：1
参考来源 - 阶梯式冲击挤密钻头结构优化设计及试验
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The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。
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