The design and construction of drilling platform of one bridge under strong tidal bore condition;
某大桥在强涌潮条件下的钻孔平台设计与施工
Main girder drilling platform construction of Hangzhou Xiasha bridge;
杭州下沙大桥主墩钻孔平台施工
The paper gives the summary to the construction technology of the drilling platform and the bored pile for the foundation construction of 4# and 5# underwater piers of the Feiyun Jiang River Super Large Bridge of Zhejiang Section of the Wenzhou-Fuzhou Railway.
结合温福铁路浙江段飞云江特大桥水中4、5号墩基础施工中的钻孔平台形成及钻孔桩施工生产实践,介绍了采用水下包封混凝土施工钻孔平台的方法解决水中墩倾斜裸岩河床区钢护筒无法插打,在潮汐作用下无法形成牢固的钻孔平台的施工难题,为潮汐地区复杂地质情况下大中型桥梁基础施工积累经验。
With respect to that the interpretation method of horizontal borehole log in coal mine applies that of surface vertical borehole log,the theoretical analysis and numerical modeling are conducted to the natural gamma ray log and apparent resistivity log of horizontal borehole in coal mine using the numerical method,and the practical problems are resolved.
针对煤矿井下水平钻孔测井解释沿用地面垂直钻孔测井解释方法的问题，应用数值方法，对煤矿水平钻孔自然伽玛测井、视电阻率测井进行理论分析和数值模拟，通过实例计算，与实际情况相符。
The methods and principles of measuring coal thickness by resistivity method along a horizontal borehole in coal sean are presented.
论述了顺煤层水平钻孔中电阻率法探测煤层厚度的方法原理，使用线性数字滤波法对不同地电类型做了正演模拟。
In order to solve these technical problems,horizontal borehole technology by hydraulic jetting was applied in Changqing oil-field in 2007.
为了解决上述技术难题,2007年长庆油田引进了水力喷射水平钻孔技术。
Taking the south pylon pier foundation of the Bridge for example,this paper focuses on the conceptual design of and key construction techniques applied to the boring platform for the foundation with the aim of accumulating more experiences for construction of major bridge foundations to be built in the future.
苏通大桥主塔墩采用钻孔灌注桩群桩基础,以南主塔墩为例,重点介绍钻孔平台方案的设计及施工中的关键技术,为以后大型桥梁基础施工积累了经验。
This paper mainly describes the structural design of the "stool-like" marine boring platforms for construction of the foundations resting in the uncovered rock in deep water,the structural calculation of the platform foundations as well as the construction process of assembling of the platforms.
主要介绍海上深水裸岩"板凳式"钻孔平台的结构设计、平台基础结构计算及平台拼装施工过程。
Effect Forecast for Methane Drainage with Parallel Drilling along Coal Seam
顺煤层平行钻孔瓦斯抽采效果预测方法
This machine can be used drilling,core drilling, reaming,boring,tapping, spot-facing and chamfering etc.
可以进行钻孔、扩孔、铰孔、镗孔、攻丝、锪平面，倒角等工作。
balancing centering machine
平衡-钻中心孔机床
counterbore with guide
有导柱的平底扩充孔钻
spotfacing and centering machine
平端面钻中心孔机床
horizontal borehole pressure recorder
水平钻孔压力记录器
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
Application of the XY-1 type core drilling machine to horizontal drilling
XY-1型岩芯钻机在水平钻孔施工中的应用
Stability Analysis and Experimental Study of Hole Wall in Soil Horizontal Drilling;
土体中水平钻孔孔壁稳定性分析及试验研究
STEP HOLE DRILLING METHOD FOR MEASURING PLANE RESIDUAL STRESSES IN DEEP LAYER
钻阶梯形孔法测量深层平面残余应力
The Construction of Bored Pile Underwater Platform of Wuzhong Huanghe Bridge
吴忠黄河特大桥钻孔桩水中平台施工
Drilling is performed with a rotating tool called a drill.
钻孔是用一个称为“钻头”的旋转刀具进行的。
tap(ping) drill
螺丝孔钻，螺丝底孔钻
The sorker was drilling.
此工人在用钻孔机钻孔。
The Research of Applying the Witrasonic Wave to Detect the Pole Base Drill Becoming Hole;
运用超声波对桩基钻孔进行成孔检测的研究
the act of drilling a hole in the earth in the hope of producing petroleum.
在地上钻孔以期生产石油的行为。
Improving Growth of Street Trees by Boring the Rhizo$pheric Soil for Aeration
土壤钻孔通气法对行道树生长的改善
Rotary Drilling Bored Pouring Pile Constructed in Stratum with Difficult Working Condition
在困难地层进行旋挖钻孔灌注桩施工