Analysis of Hole Wall Stability in Horizontal Directional Drilling in Soft Soils Area
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摘要: 通过对水平钻孔孔壁弹塑性力学分析,分析了水平钻孔软土段孔壁在土压力与泥浆压力的作用下受力状态,提出了最优泥浆压力的概念,给定向钻进铺管技术的施工可靠性提供了一定的理论依据。
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关键词:
- 水平定向钻进铺管技术 /
- 稳定性 /
- 泥浆压力 /
- 塑性区 /
- 最优泥浆压力
Abstract: By analyzing elastic-plastic state of horizontal soft soils hole wall,the stress state of the horizontal soft soils hole wall und er the earth pressure and the lama pressure are both analyzed,and the conception of the best lama pressure is pointed out.This study can supply the reference in practice of horizontal directional drilling. -
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