旋挖灌注桩在（深圳）沿海地区复杂地层中应用实例

Application of rotary drilling bored grouting pile in complicated formation of coastal areas (Shenzhen)

摘要: 通过深圳某沿海地区旋挖钻孔灌注桩基的工程应用实例,介绍了沿海地区复杂地层桩基施工的工程特点、工艺流程及工艺参数。通过施工关键技术的控制：桩基垂直度控制、成孔技术及沉渣处理等施工方法的论述,解决了旋挖钻机在沿海地区复杂地层中桩基施工的难题。

Abstract: The rotary drilling bored grouting pile is used in the coastal areas. The characteristics, process and parameters of construction practice in the complicated formation are introduced. The problem about drill hole in the complicated formation near the coastal areas is solved by the key construction techniques: control of pile verticality, drilling technology and sediment treatment.