近年来,高层建筑不断增加,高层建筑基础也呈现多种形式,预应力钢筋混凝土管桩就是其中较为经济的一种桩型,其深度可达40m。管桩由专业预制厂生产,运至施工现场,使用静力压桩机将管桩压入地基中,然后进行土方开挖,露出桩顶,最后须清出管桩孔内1.5m深的土。传统方法是用直形铲 In recent years, high-rise buildings continue to increase, there are many forms of high-rise building base, prestressed concrete pipe pile is one of the more economical pile, the depth of up to 40m. The pipe pile is produced by a professional prefabricated factory and transported to the construction site. The pipe pile is pressed into the foundation by using a static pile driver and then excavated to reveal the top of the pile. Finally, the 1.5m deep soil . The traditional method is to use a straight shovel