TWI835533B

An uproot type prefabricated column structure of basement structural body and its assembling construction method are provided. After completing the retaining structure engineering, a reinforcing steel cage is disposed at the bottom of a column positon before digging the ground soil, an uproot type prefabricated column structure is hung on the column position, wherein the uproot type prefabricated column structure has an integrally formed column body, and the bottom end of the column body is disposed with an extension combining section, and the extension combining section is inserted into the reinforcing steel cage, pouring concrete on the column position so that the reinforcing steel cage and the extension combining section are concealed in the concrete to enable the reinforcing steel cage to form a support pile structure body. The uproot type prefabricated column structure and the support pile structure body are formed into the uproot type column pile structure body. Compared with the structural column made