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Self-locking anchoring fiber anchor rod and construction method
The invention provides a self-locking anchoring fiber anchor rod and a construction method and belongs to the technical field of rock and soil anchoring. The self-locking anchoring fiber anchor rod is composed of a fiber bag, a base plate and a euphroe. The fiber bag is internally provided with a locating rack in a sleeving mode. The locating rack extends into the bottom of the fiber bag. The fiber bag is tightly clamped and fixed to the locating rack from the outer side of a cylinder through a metal clamp. According to the euphroe, a central tube is arranged in a support in a sleeved mode; ratchets are mounted on the left side and the right side of the central tube respectively and located at the outer side of the support; racks matched with the ratchets are hinged to the support through shaft pins; a rope hook is fixed to the central tube; a round hole is formed in one end of the central tube and located at the outer side of the support, and a thrust rod is inserted into the round hole. A grout body is grouted into the fiber bag through a sleeve valve under the action of pressure, the fiber bag expands, the grout body coagulates, solidifies and is anchored in a stable layer; the euphroe is fixed to the base plate through bolts, and the rope-form fiber bag is bundled to the rope hook of the euphroe. The self-locking anchoring fiber anchor rod is light in structure, anti-corrosive, high in durability and quick and convenient to construct and solves the problems of traditional FRP bar tensioning and anchoring, and prestress compensation is convenient.
Self-locking anchoring fiber anchor rod and construction method
The invention provides a self-locking anchoring fiber anchor rod and a construction method and belongs to the technical field of rock and soil anchoring. The self-locking anchoring fiber anchor rod is composed of a fiber bag, a base plate and a euphroe. The fiber bag is internally provided with a locating rack in a sleeving mode. The locating rack extends into the bottom of the fiber bag. The fiber bag is tightly clamped and fixed to the locating rack from the outer side of a cylinder through a metal clamp. According to the euphroe, a central tube is arranged in a support in a sleeved mode; ratchets are mounted on the left side and the right side of the central tube respectively and located at the outer side of the support; racks matched with the ratchets are hinged to the support through shaft pins; a rope hook is fixed to the central tube; a round hole is formed in one end of the central tube and located at the outer side of the support, and a thrust rod is inserted into the round hole. A grout body is grouted into the fiber bag through a sleeve valve under the action of pressure, the fiber bag expands, the grout body coagulates, solidifies and is anchored in a stable layer; the euphroe is fixed to the base plate through bolts, and the rope-form fiber bag is bundled to the rope hook of the euphroe. The self-locking anchoring fiber anchor rod is light in structure, anti-corrosive, high in durability and quick and convenient to construct and solves the problems of traditional FRP bar tensioning and anchoring, and prestress compensation is convenient.
Self-locking anchoring fiber anchor rod and construction method
DONG JIANHUA (author) / DONG XUGUANG (author) / ZHU YANPENG (author) / WANG YONGSHENG (author) / HE TIANHU (author) / WANG XUELANG (author)
2015-06-10
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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