长螺旋钻孔压灌混凝土桩施工质量技术

Technique to ensure construction quality of cast-in-place gun-concreting pile by auger rig

通过分析长螺旋钻孔压灌混凝土桩的质量优点,阐述了长螺旋钻机钻孔的材料要求、机具设备及作业条件,介绍了其施工操作工艺,对其质量缺陷的原因及控制措施进行了分析,以推广该技术的运用。

Based upon analysis of the advantages of cast-in-place gun-concreting pile by auger rig the material requirements, construction machinery and operation conditions of continuous anger drilling construction are introduced. Through analysis of reasons caused the quality defects corresponding quality assurance measures are proposed in order to promote the application of this technique.