灌注桩是一种灌注桩系是指在工程现场通过机械钻孔、钢管挤土或人力挖掘等手段在地基土中形成桩孔,并在其内放置钢筋笼、灌注混凝土而做成的桩,依照成孔方法不同,灌注桩又可分为沉管灌注桩、钻孔灌注桩和挖孔灌注桩等几类。灌注桩的施工大多是在地面下或水下完成,施工工序多,质量控制难度大,稍有不慎易产生断桩等严重缺陷。 Pouring pile is a type of filling pile refers to the pile at the construction site by means of mechanical drilling, squeezing steel pipe or manpower excavation and other means in the formation of pile holes in the soil, and placed inside the reinforced cage, made of concrete piles, According to different hole forming methods, bored piles can be divided into several categories such as pipe sinking piles, bored piles and digging bored piles. Most of the construction of bored pile is completed under the ground or under water. There are many construction steps, and the quality control is difficult. Some serious defects, such as broken piles, are easy to happen.