浅析冲（钻）孔灌注桩孔底沉渣厚度的控制

摘要

By an impact(drill) hole filling pile in high-rise building foundation construction as an example , main points of the sediment thickness control of impact ( drill) hole filling pile is discussed from some aspects such as the hole cleaning method , thorough hole clean-ing, hole cleaning mud indicator , concrete pouring and the thickness of sediment measurement .Control sediment thickness is one of the key measures to ensure pile foundation bearing capacity and construction quality .%通过某高层建筑冲（钻）孔灌注桩基础施工实例，从清孔方式、彻底清孔、清孔泥浆指标、混凝土的首灌、沉渣厚度的测量等方面详细论述了冲（钻）孔灌注桩沉渣厚度控制的要点。施工过程中加强孔底沉渣厚度的控制，是保证钻孔灌注桩桩基承载力和施工质量的关键措施之一。