钻孔灌注桩中泥浆的净化和利用

根据多年从事灌注桩施工的实践经验，分析了泥浆净化的必要性，介绍了两种控制固相含量的方法，并总结了一套在中砂层、粉砂层、松散层钻进时泥浆的净化和管理的方法，从而更好地稳定泥浆性能，改善钻进工作条件，提高钻孔质量和钻孔效率。

The purge and utility of mud in drilling cast-in-place pile

According to the practical experience in cast-in-place pile construction, it analyses the necessity of mud purge, introduces the two methods of controlling the solid phase contents, and sums up the method of mud purge and management in the drilling of medium sand layer, silt layer and loose layer, to stabilize the mud function better, improve the work condition of drilling and increase the drilling quality and efficiency.