冲击成孔灌注桩桩底零沉渣施工方法

The construction method of impact bored pile bottom zero sediment

介绍了冲击成孔灌注桩的适用范围,从泥浆配制、成孔过程、孔深与沉渣测量、清渣、灌注等方面,阐述了冲击成孔灌注桩桩底零沉渣施工方法,并总结了施工中的注意事项,指出该施工技术提高了桩的承载力、稳定性以及抗震能力。

This paper introduced the application scope of impact bored pile, from slurry manufacture, hole forming process, hole depth and sediment measurement, slag, priming and other aspects, elaborated the zero sediment construction method of impact bored pile bottom, and summa-rized the matters needing attention in construction, pointed out the construction technology improved the bearing capacity, stability and seismic capacity of pile.