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A kind of reinforcement structure and reinforcement method of space structure bending compression rod

A technology of space structure and reinforcement structure, which is applied in the direction of building structure, construction, building maintenance, etc., can solve the problem of uncertain initial deflection of reinforcement, and achieve the effect of simple and effective reinforcement method, shortening construction period, and easy realization of reinforcement process

Active Publication Date: 2021-12-21
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In view of this, the present invention provides a method that can solve the problem of reinforcing and constraining components of various specifications when strengthening a bending compression bar with an uncertain initial deflection, so as to reduce the difficulty and cost of production, and at the same time, the strengthening structure and method are simple and the construction period is short. Reinforcement structure and reinforcement method of space structure bending compression bar that is short and does not require recalculation

Method used

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  • A kind of reinforcement structure and reinforcement method of space structure bending compression rod
  • A kind of reinforcement structure and reinforcement method of space structure bending compression rod
  • A kind of reinforcement structure and reinforcement method of space structure bending compression rod

Examples

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Effect test

Embodiment 1

[0056] see Figure 1-6 , the reinforcement structure of the curved compression bar in space structure, spherical hinges 4 are arranged at both ends of the curved compression bar 1, including: a constraint member 3 with a rectangular cross section arranged on the outer peripheral side of the curved compression bar 1, the constraint component 3 consists of two lengths The unequal angle steel 2 that is less than the length of the bending bar 1 is butt-jointed and spliced ​​(the difference between the length of the unequal angle steel 2 and the length of the bending bar 1 is less than the outer diameter L1 of the bending bar 1), and the two are not equal The side angle steels 2 all include: a long limb board 2-1 and a short limb board 2-2 arranged vertically in an "L" shape, the two long limb boards 2-1 are arranged oppositely, and the two short limb boards 2-2 are arranged oppositely, And each long limb board 2-1 corresponds to each short limb board 2-2 and is welded and fixed, t...

Embodiment 2

[0061] see Figure 7-10 , this embodiment is basically the same as Embodiment 1, and the same parts will not be described again. The difference is that the two ends of the curved compression bar 1 near the spherical hinge 4 are welded and fixed with stiffeners for preventing the bending compression bar 1 from torsion and local buckling. 5. The stiffening rib 5 is arranged along the axial direction of the bending bar 1 and is located in the gap formed by the apex of the constraining member 3 and the outer circumference of the bending bar 1 . A positioning pin 6 is provided at the middle part of the bending pressure bar 1, and a positioning hole is provided at a position corresponding to the positioning pin 6 on the short limb plate 2-2, and the positioning pin 6 is plugged and fixed with the positioning hole.

[0062] The present invention also provides two embodiments of the reinforcement method for the curved compression bar of the spatial structure.

[0063] Example 1:

[...

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Abstract

The invention discloses a reinforcement structure and a reinforcement method for a curved compression bar in a space structure. The reinforcement structure includes: a restraining component with a rectangular cross-section arranged on the outer peripheral side of the curved compression rod. The unequal angle steels are butt spliced, wherein, the two unequal angle steels include: a long limb board and a short limb board vertically arranged in an "L" shape, the two long limb boards are arranged opposite to each other, and the two short limb boards Arranged oppositely, and each long limb board corresponds to each short limb board one by one and is welded and fixed, and the inner side of the long limb board and the inner side of the short limb board are in contact with the outer wall surface of the curved pressure bar. The reinforcement structure and reinforcement method solve the problem that the initial bending of the compression rod will cause the constraining parts to have various sizes and be difficult to match.

Description

technical field [0001] The invention relates to the technical field of civil engineering, and more specifically relates to a reinforcement structure and a reinforcement method of a space structure 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] If the failure of the space structure caused by unqualified construction quality is neglected, then when the span of the space structure is small, the failure mode of the structure is mainly manifested in the strength failure caused by the sudden failure of the rods at the support; The failure mode is us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/02
CPCE04G23/0218
Inventor 曾滨许庆王春林
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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