Prefabricated column with space steel truss platform and capable of realizing pitch point cast-in-situ connection

A technology for steel trusses and prefabricated columns, applied in the field of prefabricated columns, can solve the problems of increasing construction difficulty, failing to detect the anchoring quality of steel bars and grouting materials in sleeves, increasing the construction period of nodes, etc., and reducing the construction period.

Pending Publication Date: 2020-01-10
曹大燕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above process has the following defects: the installation of the joint components needs to be carried out twice, which increases the construction period of the joint construction; the installation and connection of the sleeve and the steel bar have strict precision requirements, which increases the difficulty of construction; the steel bar and grouting in the sleeve cannot be detected material anchoring quality

Method used

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  • Prefabricated column with space steel truss platform and capable of realizing pitch point cast-in-situ connection
  • Prefabricated column with space steel truss platform and capable of realizing pitch point cast-in-situ connection
  • Prefabricated column with space steel truss platform and capable of realizing pitch point cast-in-situ connection

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Experimental program
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Effect test

Embodiment 1

[0040] When a frame structure building with a storey height of 3 meters adopts the prefabricated column of the present invention which can realize the node cast-in-place connection and the self-contained space steel truss platform, the structure of the prefabricated column can be:

[0041] The strength grade of the concrete used to make the column 2 is C35, the steel bar grade is HRB400, the diameter of the longitudinally stressed steel bar is 25mm, the diameter of the inner column stirrup and the node stirrup is 8mm, and the cross-sectional size of the beam passing through the node is 200mm×500mm.

[0042] Such as Figure 1 to Figure 8 As shown, the prefabricated column of this embodiment includes a column body 2, twelve longitudinal stress bars 3 embedded in the column body 2 and a plurality of column internal stirrup bars 4, and the longitudinal stress bars 3 are along the side of the column body. Evenly distributed, there is a certain distance between the longitudinally st...

Embodiment 2

[0054] Such as Figure 11 to Figure 15 As shown, the difference between the prefabricated column of Embodiment 2 and the prefabricated column of Embodiment 1 mainly lies in that the steel truss connection structure of the prefabricated column of Embodiment 2 is provided with only one longitudinal supporting steel bar 16, and the longitudinal supporting steel bar 16 is arranged on the longitudinal stressed steel bar 3 in the middle of the space surrounded by the part 32 that passes through the upper end of the cylinder. In addition, the steel trusses 18 formed at the four corners are respectively connected by four groups of steel bar groups 13 arranged longitudinally, one horizontal steel bar 132 is shared between the upper and lower adjacent steel bar groups 13, and only two sets of steel bar groups 13 are passed between the steel trusses 18. Connect the middle. In addition, the length of the part where the longitudinally stressed reinforcing bar 3 passes out from the two end...

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Abstract

The invention discloses a prefabricated column with a space steel truss platform and capable of realizing pitch point cast-in-situ connection. The prefabricated column comprises a column body, a plurality of longitudinal stress steel bars and a plurality of column inner stirrups, the longitudinal stress steel bars are distributed along the side edge of the column body, the two ends of the longitudinal stress steel bars penetrate out from the two ends of the column body respectively, a steel truss connection structure is arranged at one end of the column body, and the longitudinal stress steelbars are inclined to the corresponding side correspondingly; the steel truss connection structure comprises steel plate strip hoops, the steel bar connection structure, at least one longitudinal supporting steel bar and a plurality of pitch point stirrups, the plurality of pitch point stirrups are arranged on the part, penetrating out of the end part of the column body, of the longitudinal stresssteel bars in a sleeving mode, the longitudinal supporting steel bars are longitudinally arranged at the end part of the column body, the steel plate strip hoops sleeve the part, penetrating out of the end part of the column body, of the longitudinal stress steel bars, the positions between the adjacent longitudinal stress steel bars and between the longitudinal stress steel bars and the longitudinal supporting steel bars are connected through the steel bar connection structure, and a feeding channel is arranged at the lower end part of the column body. The prefabricated column can simplify the construction process and save the construction period.

Description

technical field [0001] The invention relates to a prefabricated column with a space steel truss platform which can realize node cast-in-place connection. Background technique [0002] The traditional housing construction technology has low production efficiency, slow construction speed, long construction period, high material consumption, serious construction site pollution and high labor intensity. These series of conditions can no longer meet the needs of my country's healthy and sustainable development of the construction industry. The prefabricated concrete building is widely used in various construction projects because of its efficient industrial production, intensive and fast construction process, and green and environmentally friendly construction process. [0003] At present, in the overall prefabricated concrete structure, the connection between the upper and lower columns is mainly connected by steel sleeve grouting. After the strength is strengthened, the steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/34E04C5/16E04B1/58E04B1/20E04B1/21
CPCE04B1/20E04B1/21E04B1/5831E04C3/34E04C5/162
Inventor 曹大燕黄国理徐其功陈林李俞谕苍久山周湘渝毛娜谢智彬陈焕林何刚张建华陈伟坚王世华王志煖
Owner 曹大燕
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