Reinforcement device and method for bent pressure rod

A technology of reinforcement device and compression rod, which is applied in building maintenance, construction, building structure, etc., can solve the problems of small contribution to stable bearing capacity, difficulty in manufacturing restraint components, and buckling instability of components, so as to improve adaptability and strengthen The method is simple and effective, and the effect of improving economic efficiency
CN110821202AActive Publication Date: 2020-02-21SOUTHEAST UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTHEAST UNIV
Publication Date
2020-02-21

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Abstract

The invention discloses a reinforcement device and method for a bent pressure rod. The reinforcement device comprises first U-shaped steel and second U-shaped steel; the first U-shaped steel comprisesa first flange, a first web and a second flange, the first flange is provided with first circular holes, and the second flange is provided with first slotted holes; the second U-shaped steel comprises a third flange, a second web and a fourth flange, the third flange is provided with second slotted holes, and the fourth flange is provided with second circular holes; and the first circular holes and the second slotted holes are fixed through single-sided bolts, and the first slotted holes and the second circular holes are fixed through single-sided bolts. The reinforcement method includes thefollowing steps of forming the first circular holes, the first slotted holes, the second slotted holes and the second circular holes respectively, wherein the flanges are parallel with the initial deflection direction of the bent pressure rod; performing overlap connection in a circular hole and slotted hole overlapping manner; and fixing the circular holes and the slotted holes through the single-sided bolts. By means of the reinforcement device and method, self-adaption to bent pressure rods with different deflections is achieved through the slotted holes in the flanges without changing thesize of the U-shaped steel, reinforcement can be achieved through the same U-shaped steel, and the adaptability of engineering application can be easily improved.
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Description

technical field

[0001] The invention belongs to the field of space structure reinforcement, in particular to a reinforcement device and a reinforcement method for a curved compression bar. Background technique

[0002] At present, people have higher and higher requirements for the unshielded space of large buildings, and it is difficult for the original structural form to meet these requirements. The large-span space structure is currently the fastest-growing structure type, and the development status of the space structure technology as its core is one of the important symbols representing a country's architectural technology level.

[0003] When the failure of the space structure caused by unqualified construction quality can be avoided, the damage of the space structure is usually caused by the instability of the key members. Taking the grid structure as an example, its key members generally refer to some upper chords in the span. Under the action of strong wind or stro...

Claims

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