A kind of prestressed fiberboard tension end anchoring device and anchoring method thereof
A prestressed, fiberboard technology, used in building maintenance, construction, building construction, etc., to achieve the effect of stable and reliable anchoring method, convenient application process, and overcoming the lack of durability
Active Publication Date: 2022-08-02
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology
[0004] In order to solve the deficiencies in the existing prestressed fiberboard tension end anchoring method, the present invention provides a prestressed fiberboard tension end anchorage device and its anchoring method which use the fiberboard tension length to control the applied prestress value
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[0031] like Figure 1-6 As shown, a prestressed fiberboard tensioning end anchoring device of the present invention includes a tensioning end anchor 4, a tensioning reaction force frame 9, a tensioning guide rod 7, a tensioning baffle 12 and a jack 11;
[0032] The right end of the prestressed fiberboard 1 is clamped in the tensioning end anchor 4, and two tensioning guide rods 7 are provided in parallel along the left and right horizontal directions. The two tension guide rods 7 are threaded from left to right, and the two ends of the tension guide rod 7 are respectively threaded with a left lock nut 2 and a right lock nut 13. The right end of the left lock nut 2 is connected with the tension rod The left end surface of the pulling end anchor 4 is in contact with the left end surface of the right locking nut 13 and the left surface of the tension baffle plate 12; 12 Press fit on the left side surface;
[0033] An anchoring connection structure is correspondingly provided be...
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Abstract
The invention discloses a prestressed fiberboard tensioning end anchoring device and an anchoring method. The anchoring device comprises a tensioning end anchorage, a tensioning reaction frame, a tensioning guide rod, a tensioning baffle and a jack; the invention utilizes the fiberboard The linear relationship between the tension and the elongation, locate and install the tension reaction frame, when the fiberboard is stretched to the waist-shaped hole reserved on the tension end anchorage cover and the reserved space on the bottom plate of the tension reaction frame When the inner tapping holes are basically coincident, high-strength bolts are used to connect the tension end anchorage with the tension reaction frame to complete the anchoring of the tension end anchorage. By applying the device and method of the present invention, the tension guide rod can be removed after the prestressed fiberboard tensioning is completed, which overcomes the common problem of insufficient durability of the existing prestressed fiberboard tensioning end tensioning guide rod anchoring method.
Description
technical field [0001] The invention belongs to the technical field of reinforcement and repair of civil engineering structures, and in particular relates to a prestressed fiberboard tension end anchoring device and an anchoring method thereof. Background technique [0002] In recent years, fiberboard (including carbon fiber, basalt fiber, etc.) has become a research and application hotspot in the field of civil engineering structural reinforcement and repair due to its unique advantages of light weight, high strength, corrosion resistance, and convenient construction. The main disadvantage of traditional bonded fiberboard reinforcement technology is that it cannot exert the high strength properties of fiberboard. A large number of studies have shown that pre-stressing the fiberboard can effectively overcome this defect, that is, the prestressing of the fiberboard can greatly improve the strength utilization rate of the fiberboard. [0003] In the existing prestressed fiber...
Claims
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IPC IPC(8): E04G23/02
CPCE04G23/0218
Inventor 汪志昊赵顺波范宏宇裴松伟李晓克
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER