PRE-BORED DISCONNECTED PILE METHOD

摘要

A pre-bored disconnected pile method is provided to save construction cost, by separating a base plate of an upper structure from a pile not to reduce strength of the pile body so much. A pre-bored disconnected pile method includes the steps of: perforating a hole in natural ground(10) using a perforating device, where the natural ground does not satisfy supporting force for structures placed on it and settlement condition; forming a strong pile(11) by placing strong pile material in the hole; forming a hard layer(13) by pouring coarse aggregate on the strong pile and hardening it; and constructing a base plate(3) on the hard layer.