Monitoring Technology of High Precision Drilling in Nanyi Dam

机译：南驿大坝高精度钻井监测技术

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With the features of narrow gallery and the hard bedrock in Nanyi dam, the effective borehole radius and declining gradient of borehole meet the design requirement with choosing the appropriate equipment and adjusting the appropriate drilling parameter of the equipment,adopting the appropriate construction technique and correcting method for inclination. The experience can be applied to similar projects.

机译：凭借南艺坝坝廊狭窄，基岩坚硬的特点，通过选择合适的设备，调整设备的合适的钻进参数，采用合适的施工工艺和校正方法，有效的井眼半径和井斜下降满足设计要求。倾斜该经验可以应用于类似的项目。

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来源
《International Conference on Dam Safety Management（2008水库大坝安全管理国际研讨会）》|2008年|587-590|共4页
会议地点 Nanjing(CN)
作者
Bao Liang; Wu Weihan; Xu Xiaoding;
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作者单位

Nanjing Hydraulic Research Institute, Nanjing 210029, China;

NanYi Reservior Administartion Bureau, Zhangzhou 363605, China;

Nanjing Hydraulic Research Institute, Nanjing 210029, China;

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中图分类水利工程;
关键词
Dam gallery; the hard bedrock; inverted pendulum; bimetal mark; construction;

机译：大坝廊；坚硬的基岩；倒立摆；双金属标记；建筑;

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Monitoring Technology of High Precision Drilling in Nanyi Dam

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