优质泥浆在旋挖钻孔灌注桩护壁中的应用

Application of High Quality Mud in Wall Protection for Rotary Bored Pile Engineering

摘要:

分析了福建石狮中竣商城桩基工程旋挖成孔钻孔塌孔的原因，根据地层特点配置了优质泥浆并用于钻孔护壁，取得了较好的实践效果。介绍了优质泥浆的配制方法及应用效果。

关键词:优质泥浆护壁;旋挖钻孔;桩基工程;复杂地层

Abstract:

The causes of the hole collapse in rotary drilling are analyzed with a case of pile foundation project in Fujian. According to the formation characteristics, high quality mud configuration was adopted for wall protection with good practice effects. The paper introduces the preparation methods of the high quality mud and presents the application effects.

Key words:high quality slurry; rotary drilling; pile foundation engineering; complex strata