| 预加固砂卵石层水平定向钻进孔壁稳定性分析 |
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| 引用本文： | 赵自亮,李瑞,张可能,莫进丰.预加固砂卵石层水平定向钻进孔壁稳定性分析[J].广州建筑,2010,38(5):14-16. |
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| 作者姓名： | 赵自亮 李瑞 张可能 莫进丰 |
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| 作者单位： | [1]广州市恒盛建设工程有限公司,广州510030 [2]中南大学地学与环境工程学院,长沙410083 |
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| 摘 要： | 砂卵石地层在非开挖钻进过程中容易出现塌孔现象,本文基于弹性理论,通过对预加固砂卵石地层水平定向钻孔孔壁弹性力学分析,分析了加固后水平钻孔不同侧压力系数条件下的受力状态,得出了不同条件下保持孔壁稳定的预加固要求。
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| 关 键 词： | 砂卵石 水平孔 弹性力学 稳定性 |
The Stability Analysis of the Horizontal Sand Pebble Hole Wall After Reinforced |
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| Authors: | ZHAO Zi-liang LI Rui ZHANG Ke-neng MO Jin-feng |
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| Affiliation: | 1.Guangzhou Hengsheng Construction Engineering Co.,Ltd.,Guangzhou 510030)(2.School of Geoscience and Environmental Engineering,Central South University,Changsha 410083) |
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| Abstract: | Based on the theory of elasticity,by analyzing elastic state of horizontal sand pebble hole wall,the stress state and stability condition of the horizontal sand pebble hole wall after reinforced under the conditions of the different coefficients of lateral pressure are both analyed.This study can supply the reference in practice of reinforcing the horizontal hole. |
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| Keywords: | sand pebble horizontal hole mechanics of elasticity stabilization |
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