Circular-hole-installed honeycombed beam reinforced by using carbon fiber reinforced composite material

A technology of reinforcing composite materials and circular holes, which is used in building maintenance, construction, building construction, etc., can solve the problem of easy local instability of the edge of the hole of the honeycomb beam, and achieves clear and definite force, small volume, and construction period. short effect

Pending Publication Date: 2019-04-19
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0004] The object of the present invention is to provide a honeycomb beam with open circular holes reinforced by carbon fiber reinforced composite material, which solves the problem that the edge of the hole of the honeycomb beam is easy to be locally unstable and improves the bearing capacity of the honeycomb beam, and at the same time improves its Impact resistance, fatigue resistance, corrosion resistance

Method used

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  • Circular-hole-installed honeycombed beam reinforced by using carbon fiber reinforced composite material
  • Circular-hole-installed honeycombed beam reinforced by using carbon fiber reinforced composite material
  • Circular-hole-installed honeycombed beam reinforced by using carbon fiber reinforced composite material

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Embodiment Construction

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The carbon fiber cloth shown in Figure 1 should first be made according to the required size. The honeycomb steel beam strengthened by the carbon fiber composite material of the present invention comprises a honeycomb beam 1-1 with circular holes, a strip carbon fiber cloth 1-2 and an annular carbon fiber cloth 1-3.

[0021] The honeycomb beam with circular holes is an I-shaped steel beam, and a circular hole is opened between every two stiffeners. The two kinds of carbon fiber cloth should be cut out in the way shown in Figure 1 in a large carbon fiber cloth, which can save the carbon fiber cloth material. As shown in Figure 1, the diameter of the inner circle of the ring is the diameter of the circular opening, and the width of the ring is 1 / 5-1 / 3 of the diameter of the circular hole. Each strip of carbon fiber composite material i...

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Abstract

The invention discloses a circular-hole-installed honeycombed beam reinforced by using a carbon fiber reinforced composite material. The circular-hole-installed honeycombed beam is a I-type steel beamwith a plurality of stiffening ribs. One circular hole is installed between every two stiffening ribs. Two sides of webs at the edges of all circular holes are adhered with a circle-shaped carbon fiber reinforced composite material, and in upper left, lower left, upper right, and lower right four areas of the circular hole, a strip-shaped carbon fiber reinforced composite material is adhered in amode of tangency with the circular hole. The circular-hole-installed honeycombed beam is capable of solving a problem that the edges of the holes of the honeycombed beam are easy to local buckling and improving carrying capacity of the honeycombed beam, and improving shock resistance, anti-fatigue performance and corrosion resistance thereof in a certain degree. A reinforcing mode is simple in construction process, short in construction period, clear and definite in stress, and well in enhanced performance.

Description

technical field [0001] The invention belongs to the technical field of building structure reinforcement, and in particular relates to a honeycomb beam with open circular holes reinforced by carbon fiber reinforced composite materials. Background technique [0002] The honeycomb beam is a steel member proposed according to the mechanical characteristics of the steel beam, which refers to the I-shaped steel beam with a series of regular holes in the web. As a novel and unique steel structure beam, honeycomb beam also has many advantages. First of all, the holes on the honeycomb beams can pass through pipes and wires, which effectively increases the space between layers and improves the utilization efficiency of the section. Secondly, compared with the solid web beam, the honeycomb beam saves 25%-30% of steel, saves 15%-35% of painting and installation costs, effectively reduces the construction cost, and is one of the important ways to solve the high cost of steel structure b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/02
CPCE04G23/0218
Inventor 林杨胜赵峻鹏康澜秦楚灏谢睿杰钟伟恒
Owner SOUTH CHINA UNIV OF TECH
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