Casting pile drilling machine on both sides of the bearing capacity is not enough how to deal with
According to the different hole into the process, the pile can be divided into dry hole into the hole
Casting pile: Casting pile with the construction without vibration, no squeezing soil, noise filial piety suitable for use in urban buildings and other advantages, in the construction of a more widely used.
Do hook slowly hook, generally not so easy to hook, but you can try, with a strong solenoid is also OK.
