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Dry-connected fabricated reinforced concrete column unit

A technology for reinforced concrete columns and concrete-filled steel tubes, which is applied to columns, pillars, piers and other directions, can solve the problems of difficult quality inspection and low installation efficiency, and achieve the effect of shortening the construction period, improving the bearing capacity of the structure, and reducing the difficulty of inspection.

Inactive Publication Date: 2021-04-27
珠海动和工程咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention aims to solve the problems of difficult quality inspection and low installation efficiency in the connection of the grouting sleeve in the existing assembled reinforced concrete column

Method used

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  • Dry-connected fabricated reinforced concrete column unit
  • Dry-connected fabricated reinforced concrete column unit
  • Dry-connected fabricated reinforced concrete column unit

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0040] A prefabricated reinforced concrete column unit with dry connection, the outstretched longitudinal bars 8 at the upper and lower ends of the prefabricated reinforced concrete column unit 7 can be connected to the connecting device 1 through the mounting hole 5 of the column connecting plate 3 (such as figure 1 , 2 ), the connecting device 1 at the upper and lower ends of the prefabricated reinforced concrete column unit 7 can be connected to the vertical longitudinal bars 10 of the upper and lower nodes 9 through the installation holes 5 of the node connecting plate 2 (such as Figure 3-6 ), so that the prefabricated reinforced concrete column unit 7 and the node 9 are integrated vertically through a dry connection (such as Figure 7 , 8 ).

[0041] Further, the connection device 1 includes a node connecting plate 2, a column connecting plate 3 and a short concrete-filled steel tube column 4. The node connecting plate 2 is provided with an installation hole 5 through ...

specific Embodiment approach 2

[0046] A prefabricated reinforced concrete column unit with dry connection, the outstretched longitudinal bars 8 at the upper and lower ends of the prefabricated reinforced concrete column unit 7 can be connected to the connecting device 1 through the mounting hole 5 of the column connecting plate 3 (such as figure 1 , 2 ), the connecting device 1 at the upper and lower ends of the prefabricated reinforced concrete column unit 7 can be connected to the vertical longitudinal bars 10 of the upper and lower nodes 9 through the installation holes 5 of the node connecting plate 2 (such as Figure 3-6 ), so that the prefabricated reinforced concrete column unit 7 and the node 9 are integrated vertically through a dry connection (such as Figure 7 , 8 ).

[0047]Further, the short concrete-filled steel tube column 4 is geometrically centered by one end of the empty steel tube and the node connecting plate 2 or the column connecting plate 3 and connected by the weld 6, and then conc...

specific Embodiment approach 3

[0050] A prefabricated reinforced concrete column unit with dry connection, the outstretched longitudinal bars 8 at the upper and lower ends of the prefabricated reinforced concrete column unit 7 can be connected to the connecting device 1 through the mounting hole 5 of the column connecting plate 3 (such as figure 1 , 2 ), the connecting device 1 at the upper and lower ends of the prefabricated reinforced concrete column unit 7 can be connected to the vertical longitudinal bars 10 of the upper and lower nodes 9 through the installation holes 5 of the node connecting plate 2 (such as Figure 3-6 ), so that the prefabricated reinforced concrete column unit 7 and the node 9 are integrated vertically through a dry connection (such as Figure 7 , 8 ).

[0051] Further, the node connecting plate 2 and the column connecting plate 3 are rectangular, circular, or shaped.

[0052] Further, the cross-section of the short concrete-filled steel tube column 4 is rectangular, circular, o...

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Abstract

The invention discloses a dry-connected fabricated reinforced concrete column unit. Outward-extending longitudinal bars at the upper end and the lower end of the fabricated reinforced concrete column unit can be connected with connecting devices through mounting holes of column connecting plates, and the connecting devices at the upper end and the lower end of the fabricated reinforced concrete column unit can be connected with vertical longitudinal bars of joints at the upper end and the lower end through mounting holes of joint connecting plates, so that the fabricated reinforced concrete column unit and the joints are vertically connected into a whole in a dry mode.

Description

technical field [0001] The invention belongs to the field of prefabricated buildings, and in particular relates to a dry-connected prefabricated reinforced concrete column unit. Background technique [0002] The connection methods along the building height direction in the existing prefabricated building field mainly include grouting sleeve connection technology, reserved hole grout anchor lap connection technology and cast-in-place belt connection. Among them, the grouting sleeve connection is widely used in actual engineering and the construction technology is relatively mature, but there are still problems such as on-site docking difficulties, difficulty in ensuring the quality of grouting in the sleeve, and difficulty in later quality inspection; in addition, the diameter of the sleeve is relatively small. Large, in order to ensure the position of the longitudinal reinforcement in the reinforced concrete column, the thickness of the concrete cover outside the sleeve is r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/34E04B1/58
CPCE04C3/34E04B1/58E04B1/5837
Inventor 王震宇吴香国周威王代玉李彦斌
Owner 珠海动和工程咨询有限公司
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