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Flexural reinforced RC beam bearing capacity solving method, electronic equipment and readable storage medium

A bearing capacity and resultant force technology, applied in geometric CAD, electrical digital data processing, design optimization/simulation, etc., can solve problems such as overestimating bending bearing capacity, repairing hidden structural safety hazards, and failing to consider interface fracture energy.

Active Publication Date: 2020-12-01
SOUTHWEST JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the characteristics of certain rigidity and two-way force bearing of FRP mesh, the interface force behavior and reinforcement mechanism of FRP mesh are quite different from those of FRP sheets and FRP bars when repairing RC structures. So far, there is no reasonable calculation method for the bearing capacity of RC beams strengthened by bending with FRP grids.
In addition, in the existing research, domestic and foreign scholars’ researches on the flexural strengthening of RC beams with FRP grids are mostly qualitative analysis, and there are few quantitative studies on the contribution of FRP grids to bending, and they do not consider the amount of FRP grid reinforcement, interface This is also the main reason why the calculation methods proposed by some researchers tend to be too conservative or overestimate the flexural bearing capacity, resulting in excessive waste of reinforcement materials and economics, or Make the repair structure a safety hazard

Method used

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  • Flexural reinforced RC beam bearing capacity solving method, electronic equipment and readable storage medium
  • Flexural reinforced RC beam bearing capacity solving method, electronic equipment and readable storage medium
  • Flexural reinforced RC beam bearing capacity solving method, electronic equipment and readable storage medium

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Embodiment

[0142] With reference to the reinforcement examples in the following foreign academic journal papers, combined with the calculation results of the present invention, comparison and analysis are carried out, which is regarded as the verification of the feasibility of the software.

[0143] Literature: Zheng Y Z, Wang W W, Brigham J C.Flexural behavior of reinforced concrete beams strengthened with a composite reinforcement layer: BFRP grid and ECC[J].Construction&Building Materials,2016,115:424-437.

[0144] In the existing reinforcement application and research, the research mainly revolves around variables such as the amount of FRP grid reinforcement. In the case of bending reinforcement, the transverse grid ribs only play the role of interlocking, while the cross-sectional area of ​​the longitudinal grid ribs affects the FRP grid. It is one of the important factors to strengthen the RC beam by bending. To this end, the research of the above-mentioned foreign journals is sele...

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Abstract

The invention relates to a flexural reinforced RC beam bearing capacity solving method, electronic equipment and a readable storage medium. The method comprises the steps of creating an FRP flexural reinforced RC beam calculation model; receiving relevant parameters of the concrete, the steel bars and the FRP grid material; and solving the FRP flexural reinforcement RC beam calculation model according to the related parameters of the concrete, the steel bars and the FRP grid material. According to the invention, the defect of FRP sheet reinforcement can be effectively overcome, the calculationmethod suitable for the flexural capacity of the FRP grid flexural reinforced RC beam is provided, and the blank of the existing specification and research in the field of FRP grid flexural reinforced RC structures is filled up.

Description

technical field [0001] The invention belongs to the technical field of construction, and specifically relates to a method for solving the bearing capacity of an FRP flexurally reinforced RC beam, electronic equipment and a readable storage medium. Background technique [0002] Under the dual effects of the long-term natural environment and the use environment, the function of the building structure will gradually weaken, resulting in a decrease in the safety, applicability and durability of the structure. Thereby shortening the service life of the structure, can not be used normally. If demolition and rebuilding will inevitably cause economic waste, therefore the building must be inspected, repaired and reinforced. In the 1990s, it was proposed at home and abroad that Fiber Reinforced Polymer (FRP) can be used to reinforce the structure. The reinforcement material is made of carbon fiber, glass fiber, and aramid fiber, and thus forms a series of New structural technology. ...

Claims

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Application Information

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IPC IPC(8): G06F30/13G06F30/20G06F17/10G06F119/14G06F111/10
CPCG06F30/13G06F30/20G06F17/10G06F2119/14G06F2111/10
Inventor 郭瑞蔡联亨任宇
Owner SOUTHWEST JIAOTONG UNIV
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