大直径深孔灌注桩多系统清孔工艺技术研究与应用

Research and Application of Multi-system Hole Cleaning Technology for Large-diameter Deep-hole Cast-in-place Piles

论文通过对大直径深孔灌注桩工程施工中的清孔工艺技术进行深入研究,提出了合理的高效清孔工艺的解决办法,通过应用验证后,对大直径深孔灌注桩的能耗效率和质量检测优良等级占比的数据对比,明显优于应用前。论文将成果经验进行分享,以期提高大直径深孔灌注桩基础工程整体施工工艺现状,降低大直径深孔灌注桩施工能耗成本,对改善土木工程领域桩基础工程的技术质量及效益有一定帮助。

This paper conducts in-depth research on the cleaning process technology in the construction of large-diameter deep hole castin-place piles,and proposes a reasonable and efficient solution for the cleaning process.After application verification,the energy consumption efficiency and the proportion of excellent quality inspection grades of large-diameter deep hole cast-in-place piles are significantly better than before.The paper aims to share the achievements and experiences in order to improve the overall construction technology of large-diameter deep hole cast-in-place pile foundation engineering,reduce the energy consumption cost of large-diameter deep hole cast-in-place pile construction,and provide some help in improving the technical quality and efficiency of pile foundation engineering in the field of civil engineering.