| 亭子口枢纽坝基大口径基岩地质钻探技术 |
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| 引用本文： | 张涛,刘伦平,武营军,王春江.亭子口枢纽坝基大口径基岩地质钻探技术[J].人民长江,2010,41(8). |
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| 作者姓名： | 张涛 刘伦平 武营军 王春江 |
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| 作者单位： | 长江岩土工程总公司(武汉),湖北,武汉,430010 |
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| 摘 要： | 通过嘉陵江亭子口水利枢纽大口径基岩取芯钻探成功应用,介绍了大口径地质钻探的技术特点和施工工艺,阐述了牙轮钻头成孔的工艺参数和操作要点,通过对传统取芯工艺的研究和创新,使用了一种新的大口径取芯工具,大大提高了取芯效率。
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| 关 键 词： | 大口径 牙轮钻头钻进 取芯技术 地质钻探 亭子口水利枢纽 |
Application of large-diameter bedrock geological drilling technology in Tingzikou Hydro-junction on Jialing River |
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| ZHANG Tao,LIU Lunping,WU Yingjun,WANG Chunjiang,Wuhan ,China.Application of large-diameter bedrock geological drilling technology in Tingzikou Hydro-junction on Jialing River[J].Yangtze River,2010,41(8). |
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| Authors: | ZHANG Tao LIU Lunping WU Yingjun WANG Chunjiang Wuhan China |
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| Affiliation: | ZHANG Tao,LIU Lunping,WU Yingjun,WANG Chunjiang(Changjiang Geotechnical Engineering Co,Ltd.(Wuhan),Wuhan 430010,China) |
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| Abstract: | Through the successful application of large-diameter bedrock coring drilling in Tingzikou Hydro-junction on the Jialing River,we introduce the construction technology and characteristics of large-diameter geological drilling,describe the main operation points and technique parameters of hole-forming by roller bit.Through research and innovations of conventional coring techniques,we adopted a new large-diameter coring tool,and improved the coring efficiency obviously. |
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| Keywords: | large-diameter roller bit drilling coring technique geological drilling Tingzikou Hydro-junction |
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