Big particle diameter fragment stone height is filled out district's pile foundation and is become pore structure fast

The utility model discloses a big particle diameter fragment stone height is filled out district's pile foundation and is become pore structure fast, include and fill out district (1) through pile foundation hole (2) that auger drill machine (4) formed at fragment stone height, be equipped with the steel that pushes down the follow -up along with drilling and protect a section of thick bamboo (3)in pile foundation hole (2), the steel protects a section of thick bamboo (3) and adopts and to connect the long permanent structure of wholeness that constitutes in pile foundation hole (2), goes upa lesson and protects a section of thick bamboo (5) and a lesson down and protect welded connection between the section of thick bamboo (8) and stitch (7) and locate vertical stiffener (6) welding strengthening who sets up the 60cm length according to the 50cm interval. The utility model discloses a protecting hole side soil mass stability nature at the pore -forming in -process, 20cm whenever creeps into 50cm just protect