1) pilot hole drilling
导向孔施工
1.
This paper is aimed at some problems about low-efficiency of pilot hole drilling in rock and the difficulty of cutting cleaning in rock.
本文针对岩层导向孔施工效率低和大口径扩孔中排渣难的问题,进行了系统的研究,取得了以下几方面的研究成果:1、首次在国内对岩层水平钻进铺管施工工艺进行了全面、系统的研究。
2) Construction-Oriented
以施工为导向的
3) drilling construction
钻孔施工
1.
The drilling construction experience of mud and sand seam
淤泥层及砂层中钻孔施工经验
2.
Combined with the survey and geologic background of concrete project,it introduces the construction preparation,construction method,and construction gradation in the drilling construction in this project,analyzes the reasons generating the common problems in the water-seal process with purdah,and represents the corresponding solving methods in order to ensure the project quality.
结合具体工程的概况和地质背景,介绍了该工程的钻孔施工准备、施工方法、施工顺序,针对帷幕止水过程中的常见问题作了原因分析,并阐述了相应的解决方法,以保证施工工程质量。
3.
In view of difficulties encountered in pile foundation construction process of bridge in Chongyang reservoir,from the erection of working platform,embedment of steel casing,drilling construction and other aspects the construction of pile foundation in deep water and in riverbed without overburden is introduced.
针对重阳水库大桥桩基施工的难点,从搭设工作平台、埋设钢护筒、钻孔施工等方面介绍了无覆盖层深水桩基施工,并对全桥桩基进行了超声波检测,结果表明桩身质量完好,从而为类似工程提供了参考。
4) shaping hole construction
成孔施工
1.
Drilling pile shaping hole construction technique in supporting pressure water melt of Dangxiong bridge;
当雄特大桥承压水地带钻孔桩成孔施工技术
5) punched hole construction
冲孔施工
6) anchor hole construction
锚孔施工
补充资料：导向
引导的方向：新闻工作要坚持正确的舆论导向。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条