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Connection joint of FRP extrudate concrete beam and steel bar concrete frame column

A technology for connecting nodes and profiles, applied in buildings, building structures, etc., can solve problems such as insufficient shear resistance, and achieve the effects of good restraint performance, high energy consumption performance, and good shear resistance.

Active Publication Date: 2017-03-15
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of this, the present invention provides a connection node, which can greatly improve the mechanical performance of the concrete beam-column joint with FRP bars, and effectively solve the shear resistance of the concrete beam-column joint with FRP bars in the prior art. Insufficient performance

Method used

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  • Connection joint of FRP extrudate concrete beam and steel bar concrete frame column
  • Connection joint of FRP extrudate concrete beam and steel bar concrete frame column
  • Connection joint of FRP extrudate concrete beam and steel bar concrete frame column

Examples

Experimental program
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Effect test

Embodiment 1

[0087] Figure 1~4 It is each schematic diagram of connection nodes in Embodiment 1 of the present invention. Such as Figure 1~4 As shown, the connecting nodes in this embodiment can be arranged at the beam-column junction of the reinforced concrete frame structure. The connection node includes: a longitudinal profile 11 and a transverse profile 12;

[0088] The longitudinal profile 11 is arranged in the frame column at the beam-column junction (not shown in the figure), and the transverse profile 12 is arranged in the frame beam at the beam-column junction (not shown in the figure); The upper and lower longitudinal reinforcements 13 of the frame beam are all FRP reinforcements;

[0089] The longitudinal profile 11 is vertically connected to the transverse profile 12; both the longitudinal profile 11 and the transverse profile 12 are FRP profiles;

[0090] The longitudinal profile 11 is surrounded by all stress tendons 14 in the frame column; the transverse profile 12 is ...

Embodiment 2

[0110] Figure 5 It is a schematic structural diagram of the connection node in Embodiment 2 of the present invention. Such as Figure 5 As shown, the difference between the connecting node in the second embodiment and the connecting node in the first embodiment is that the opening directions of the base 121 and the connecting portion 122 of the transverse profile 12 are different. The opening directions of the base 121 and the connecting portion 122 in the second embodiment are opposite to those in the first embodiment. The specific structural details are similar to the first embodiment, and reference may be made to the relevant records in the first embodiment, so details are not repeated here.

Embodiment 3

[0112] Figure 6 It is a side sectional view of the connection node in Embodiment 3 of the present invention. Such as Figure 6 As shown, the difference between the connecting node in the third embodiment and the connecting node in the first embodiment is that the base 121 of the transverse profile 12 in the third embodiment not only has a groove-shaped member, but also has a small section at one end of the groove-shaped member A tubular member, one end of which is connected to the longitudinal profile 11 . The specific structural details of other parts are similar to the first embodiment, and reference may be made to the relevant records in the first embodiment, so details are not repeated here.

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Abstract

The invention provides a connection joint for the beam-column-connection of steel bar / fiber reinforcement / reinforcement bar concrete frame structure. The joint comprises a vertical extrudate and a horizontal extrudate. The vertical extrudate is placed in a frame column at the beam-column-connection point. The horizontal extrudate is placed in a frame beam at the beam-column-connection point. The vertical extrudate and the horizontal extrudate are connected in right angle. Both the vertical extrudate and the horizontal extrudate are fiber reinforced composite material FRP extrudate. The vertical extrudate encapsulates all the stressed rebars in the frame column. The use of the joint can enormously improve the stress performance of the concrete beam-column-connection point with FRP rebars, and effectivelysolves the problem in the prior art that the anti-shear property is not enough in the concrete beam-column-connection point with FRP rebars.

Description

technical field [0001] The invention relates to the technical field of engineering construction, in particular to a connection node between an FRP profile concrete beam and a reinforced concrete frame column. Background technique [0002] The beam-column joints of reinforced concrete frame structures (that is, the junction of beams and columns) are an important part of the main structure, also known as the joint core area. In general, the intersection of frame columns and frame beams, that is, the overlapping area between beams and columns is called beam-column node. After the frame is stressed, various internal forces will be transmitted to the beam-column joint area through the beam end and column end. Therefore, the design of beam-column joints is not only related to the mechanical performance of beams and columns, but also related to the safety performance of the entire frame structure. It can be seen from a large number of test results and earthquake disasters at home...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/18E04B1/30E04B1/58
CPCE04B1/185E04B1/30
Inventor 赵进阶杨勇新岳清瑞李彪廉杰赵颜王彬
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP