| 金塘大桥3号主桥墩ZK8号钻孔事故处理技术 |
| 投稿时间：2010-04-01 修订日期：2010-04-01 点此下载全文 |
| 引用本文：丁旭亭.金塘大桥3号主桥墩ZK8号钻孔事故处理技术[J].钻探工程,2010,37(9):61-63.DING Xu-ting. Treatment Technology of Accident in a Borehole of Main Pier of Jintang Bridge[J]. Drilling Engineering, 2010,37(9):61-63. |
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| 中文摘要:针对金塘大桥3号主桥墩ZK8号钻孔烧钻断杆事故及事故处理不当发生的卡杆二次事故，认真分析了事故原因，制订了严密的钻具打捞方案，成功打捞了孔内钻具，为后续钻孔灌注桩的施工排除了障碍。介绍了事故状况及处理技术。 |
| 中文关键词:钻孔事故 烧钻 扩孔 切割 反杆 |
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| Treatment Technology of Accident in a Borehole of Main Pier of Jintang Bridge |
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| Abstract:Accident causes were analyzed on the bit-burnt, drilling rod broken accident and the secondary accident of rod blocking in a borehole of main pier of Jintang bridge. Drilling tool-fishing plan was made and was successfully implemented. The paper introduced the accident situation and the treatment technology. |
| keywords:borehole accident bit burnt borehole reaming cutting rod lifting |
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