| 摘要 |
A foundation structure of a micro-pile is provided to secure enough strength as a foundation structure and to shorten the length of the required materials. The foundation structure of a micro-pile contains a pipe(100) inserted to a perforated hole(1) of the foundation ground, a micro-pile(200) inserted to the deep part of the pipe, a cement milk or mortar discharge unit(300) provided with cement milk or mortar discharge holes(301) to discharge cement milk or mortar to the soft layer(2) of the foundation ground to form a reinforcement part(4), a unidirectional valve installed to guide cement milk or mortar to be discharged from the inside of the pipe to the outside only and composed of a cover having the larger cross section than the cross section of the cement milk or mortar discharge hole and a joint coupling the cover to the exterior of the pipe, and an adhesive force enlargement device installed on the exterior of the cement milk or mortar discharge unit to increase the adhesive strength of the pipe against the surrounding ground. |
