| 大口径钻孔桩孔壁稳定分析研究 |
| 修订日期：1999-06-30 点此下载全文 |
| 引用本文：罗绍明,朱文鉴.大口径钻孔桩孔壁稳定分析研究[J].钻探工程,2000,(1):35-37.. Analysisand Research on Stability of Large Diameter Bored Pile Hole[J]. Drilling Engineering, 2000,(1):35-37. |
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| 罗绍明 朱文鉴 |
江西省地质工程总公司基础公司!江西南昌330029(罗绍明)
，探矿工程研究所!北京房山102405(朱文鉴)
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| 中文摘要:从理论上分析并结合实践经验 ,提出了大口径钻孔桩孔壁稳定的 3个条件 ,即静力平衡、地质渗流、时间因素 ,在此基础上分析了影响孔壁稳定的各种客观、工艺、环境及人为因素 ,给出了预防和处理孔壁坍塌事故的措施。 |
| 中文关键词:大口径钻孔桩,孔壁稳定,坍塌,防治 |
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| Analysisand Research on Stability of Large Diameter Bored Pile Hole |
| LUO Shaoming |
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| Abstract:Three conditions for the hole wall stabilization of large diameter bored pile-static balance, geological seepage flow and time factor are presented based on theoretical analysis and practical experience. Measures preventing and handling hole caving are given based upon analyzing various factors that influence hole wall stability including objective, technological, environmental and artificial factors. |
| keywords:large diameter bored pile,hole wall stability,preventing hole caving |
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