As a new joist technique of concrete pipe pile, the prestressedconcretepile mechanical bond express joint has been used in engineering nowadays.
预应力混凝土管桩机械快速接头作为一种新型的管桩连接技术，近年在工程中时有使用。
2
Summing up problems which must be paid attention in construction of prestressedconcrete tubular pile.
总结了预应力混凝土管桩施工中要注意的问题。
3
This paper analyzes the present situation of pile foundation construction technology in Hengyang, introduces the application condition of prestressed high strength concrete pipe pile.