冻结孔项目技术要点分析

Technical Points on Frozen Boring Project

通过对综合设备、钻具、泥浆性能、压力等因素的研究,分析了冻结孔技术要点,认为通过选取合适的设备及钻具,使用科学的泥浆配比,机班长熟练的操作,配合高精度的测斜仪器,可以满足高质量冻结钻孔或其他同类型钻孔的施工要求。

On basis of the study on comprehensive equipment,drilling tools,mud properties and pressure,the frozen boring technical points are presented,including reasonable selection of equipment and drilling tools,scientific mud proportion,skilled operation and high-precision clinometer,which can meet the construction demands of high-quality frozen boring and other similar drilling.