According to the quality problems encountered in construction process, such as hole collapsing, plugging and borehole deviation their causing reasons are analyzed; at the same time corresponding quality control measures are proposed.
介绍了嵌岩钻孔灌注桩的作用原理及主要特点,针对施工过程中塌孔、钻孔偏斜、导管堵塞等常见的质量问题,对其原因作了分析,提出相应的质量控制措施。
Study on basic factors and calculation mode of pilot hole deflection in raise boring;
反井钻井导孔偏斜的基本因素及其计算模型的研究
Reason Analysis and Countermeasures for Undergound Drilling in Coal Mine
煤矿井下施工钻孔偏斜原因分析和对策
Complications associated with pegging included peg hole drilled on an angle, drilling off center, drilled hole shallow, granuloma and infection, total complications occured in 22.2% in the review, most that are of a minor nature can be cured.
并发症有钻孔偏位、偏斜、孔浅、钻孔处慢性肉芽肿、感染等,发生率为22.2%.
Talking about the Hole-site Correcting Technology in Drilled Pile Construction on Granite Plagioclase Strata
花岗岩斜岩地层钻孔桩施工孔位纠偏技术
Brigg's clinophone
勃瑞格斯型钻孔测斜仪
Experiment Research of the Drill Fracture Criterion in Inclined Hole Drilling
斜孔钻削中钻头折断的判据实验研究
Analysis of Program of Deviation Prevention and Control in Freezing Hole Construction
冻结孔钻孔过程中的防偏及控偏方案浅析
An awl with a beveled tip, used to make holes in wood for brads or screws.
锥钻,打眼钉钻头倾斜的钻子,用于在木头上钻孔以钉角钉或螺钉
Drill jig size calculation of the double inclined holes in the handle of YT 24 rock drill
YT24型凿岩机柄体双斜孔钻模尺寸计算
Equipment Selection and Technical Measures for 2010m Deep Slant Hole Drilling
2010m斜孔钻探设备选择及技术措施
The bridge drilling hole and grouting pile bore diameter and tilt degree new locale testing method
桥梁钻孔灌注桩孔径与倾斜度现场检测新方法
Make Use Guide Drill Case Drill a Hole Lead to of Deviate Heart of a Drill
使用导向钻套钻孔引出的中心偏移问题
The Jeopardizing of the Slant of Bore to Hydrographic Bore and Precaution in the Incompact Stratum Layers
松散地层中井斜对水文钻孔的危害及预防
Application of Bore Incline-measure Technology in Anchor Cable Construction of a Huge Hydropower Station
钻孔测斜技术在某电站锚索施工中的应用实践
Practice of using raise boring in excavation of guide hole for shaft with large angle of inclination
反井钻开挖大倾角斜井导孔的工程实践
Fire Prevention Practice on Drilling Holes with Inclined Slices on Fully Mechanized Face Roof of Thick Seams in Junde Colliery
峻德矿特厚煤层综放面顶板下斜钻孔防火实践
Research and Implementation on Oblique Crossed Boreholes in Air Return Gateway of Coal Mining Face
回采工作面回风巷斜交钻孔的研究与实施
Applicatin of EL in-place inclinmoter to landslide monitoring
固定式钻孔倾斜仪在滑坡示范监测中的应用
Study and Application of High Wear-resistance Drilling Rod for Wire-line Coring in Medium-deep Inclined Hole
中深斜孔绳索取心高强耐磨钻杆的研究与应用
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