ROTARY PRESS-IN PILE TIP MEMBER, ROTARY PRESS-IN PILE BORING MEMBER, ROTARY PRESS-IN PILE AND EXECUTION WORK METHOD OF ROTARY PRESS-IN PILE

摘要

PROBLEM TO BE SOLVED: To provide a rotary press-in pile and an execution work method of the rotary press-in pile capable of constructing a proper pile foundation according to a load condition, a ground condition and an execution work condition and capable of shortening a work process. ;SOLUTION: This rotary press-in pile tip member body 2 for forming a boring hole by being rotatably pressed in the ground, an excavating blade 3 being projected outside the tip member body 2 and excavating the ground, and a shaft connecting part 5 being arranged in a proper part of the tip member body 2 and connecting a rotary propelling shaft 7 for transmitting rotary press-in propulsion to the tip member body 2 are contained. A rotary press-in pile 10 is executed by the rotary press-in pile tip member body 2.;COPYRIGHT: (C)2000,JPO