PS Prestressing Steel ancher nail method: Fid-Bau Portal

PS Prestressing Steel ancher nail method

CHOI HONG SICK

The present invention relates to a nail anchor structure using prestressing steel (PS) pipe that facilitates contraction and deformation during nail anchor tensioning work, and a ground reinforcement method using the same. The nail anchor structure using the PS pipe of the present invention comprises: a steel pipe nail part protruding from a perforation area drilled into the ground for tensioning work; an anchor unbonded length part extending integrally from the steel pipe nail part, the entire length of which is unbonded, and subjected to a compressive force; and an anchor fixing part coupled to the anchor unbonded length part and extending integrally. The nail anchor structure using the PS pipe of the present invention further comprises: a detachable inner body coupled to the anchor fixing part for contraction and deformation during tensioning work.

본 발명은 네일 앵커의 인장 작업시 수축 및 변형이 용이하도록 한 PS강관을 이용한 네일 앵커 구조 및 이를 이용한 지반보강공법에 관한 것이다.

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