Abstract The slime formed in the borehole causes the excessive displacement and loss of the bearing capacity of the drilled shafts. Thus, an accurate evaluation of the slime thickness is required during the construction of drilled shafts. In this study, a slime-meter was developed for the effective assessment of slime thickness based on electrical resistivity. As the application tests, the slime thicknesses in the boreholes were evaluated before and after slime removal and according to the testing positions, and the experimental results show that the electrical resistivity clearly detects slime and the reduction of slime thickness. Therefore, the slime-meter developed in this study can be effectively used for the assessment of slime thickness and ensure the bearing capacity of the drilled shafts. In addition, the slime-meter may also be applicable for the evaluation of borehole conditions such as sand content in stabilizing liquid and the slime density using the characteristics of the electrical resistivity.

中文翻译：

---

基于钻孔电特性评估煤泥厚度的煤泥计

摘要 钻孔中形成的泥浆导致钻孔过大位移，导致钻孔轴的承载力损失。因此，在钻孔竖井的施工过程中需要对泥浆厚度进行准确评估。在这项研究中，开发了一种粘液计，用于基于电阻率有效评估粘液厚度。作为应用测试，根据测试位置评估了除泥前后钻孔中的泥厚度，实验结果表明，电阻率可以清楚地检测出泥和泥厚度的减少。因此，本研究开发的泥浆计可有效地用于评估泥浆厚度，确保钻孔轴的承载能力。此外，