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Semi-prefabricated steel reinforced concrete column-steel reinforced concrete beam mortise and tenon joint unit

A technology of concrete columns and concrete beams, which is applied in the directions of buildings and building structures, can solve the problems of poor integrity, weak seismic performance, backward technology, etc., so as to improve the stability and torsional performance, improve the seismic performance and stability, The effect of a high degree of modularity

Pending Publication Date: 2019-12-13
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The existing prefabricated concrete structures have problems such as backward technology, low degree of industrialization, poor integrity, difficult connection, poor rigidity, and weak seismic performance.

Method used

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  • Semi-prefabricated steel reinforced concrete column-steel reinforced concrete beam mortise and tenon joint unit
  • Semi-prefabricated steel reinforced concrete column-steel reinforced concrete beam mortise and tenon joint unit
  • Semi-prefabricated steel reinforced concrete column-steel reinforced concrete beam mortise and tenon joint unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Example 1: A semi-prefabricated steel concrete column-steel concrete beam mortise and tenon joint unit

[0050] Such as figure 1 As shown, the present invention firstly provides a semi-prefabricated steel concrete column-steel concrete beam mortise and tenon joint unit, including the first H-shaped steel 7, the first concrete 1 filled in the first H-shaped steel 7, and the first concrete 1 built in Several first longitudinal reinforcements 8 and first stirrups 9 in the interior and semi-prefabricated beam ends with node extensions; the node extension semi-prefabricated beam ends consist of two channel steels 3 and second steel plates 6 with opposite and parallel openings H-shaped steel, the first steel plate 2 perpendicular to the waist of channel steel 3 and opposite to the opening direction of channel steel 3 and the L-shaped steel 4 connected with the waist of channel steel 3, the waist of channel steel 3 and the first H-shaped steel 7 The web and the flange are per...

Embodiment 2

[0053] Example 2: A semi-prefabricated steel concrete column-steel concrete beam mortise and tenon joint unit and a semi-prefabricated steel concrete beam connection body and its construction method

[0054] Such as Figure 2-4 As shown, the present invention provides the connecting body of the semi-prefabricated steel concrete column-shaped steel concrete beam mortise and tenon joint unit and the steel concrete beam described in embodiment 1, and the steel concrete beam includes the second H-shaped steel 14, filled in the second The second concrete 15 of H-shaped steel and several second longitudinal bars 10 and several second stirrups 11 built in the second concrete 15, the wing end edge of the second H-shaped steel 14 near the node unit is provided with several second The clamping slot 20 or several second bolt holes 21 have the same size as the first clamping slot 5 or the first bolt hole 19 of the node unit respectively. The first card slot 5, the second card slot 20 or ...

Embodiment 3

[0058] Example 3: Detection of a semi-prefabricated steel concrete column-steel concrete connection body

[0059] Specific steps are as follows:

[0060] Four steel bars with a diameter of 16mm are selected for the longitudinal bars in the column, and two steel bars with a diameter of 12mm are selected for the longitudinal bars in the beam. The longitudinal bars are HRB400 steel bars, which are arranged symmetrically; The spacing between the stirrups is 100mm, and the dense area at the end of the column is 50mm; the stirrups in the beam are HPB235 smooth round steel bars with a diameter of 8mm. The diameter of the rib is bent to a certain length. According to Example 1, a semi-prefabricated steel concrete beam-column node unit height is 2100mm, the column section size is 400mm×400mm, the beam section size is 250mm×450mm, and the H-shaped steel section size is 260mm×260mm×10mm×10mm , The section size of the steel beam is 150mm×300mm×10mm×10mm. According to embodiment 2, it i...

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Abstract

The invention discloses a semi-prefabricated steel concrete column-steel reinforced concrete beam mortise and tenon joint unit, and belongs to the technical fields of buildings and structural engineering. The joint of the semi-prefabricated steel reinforced concrete column-steel reinforced concrete beam mortise and tenon joint unit adopts semi-prefabricated and mortise and tenon connection modes,and then is subjected to integrated pouring, and the stiffness and shock strength of the joint are strengthened, a semi-prefabricated steel beam and the joint unit are connected through a bolt or a clamping groove and poured integrally, in this way, the stiffness of the beam end is strengthened, two different connection modes are adopted, the joint unit can be applied to different environments ofdifferent geographies, and then the flexibility of modern architecture is reflected, so that application and promotion are facilitated.

Description

technical field [0001] The invention relates to a semi-prefabricated steel concrete column-steel concrete beam mortise and tenon joint unit, which belongs to the technical field of architecture and structural engineering. Background technique [0002] In the process of the development of modern society, reinforced concrete construction technology has developed by leaps and bounds, and cast-in-place concrete construction technology has gradually developed. Due to the good performance and superiority of cast-in-place concrete engineering, it has been widely used in various civil engineering. However, there are also some problems in the cast-in-place concrete project, such as the need for a large number of formwork to maintain the concrete, the large amount of work on the construction site, the long construction period, the need for a large amount of labor, and the lack of environmental protection. In order to solve these problems, precast concrete structures are also being de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/58
CPCE04B1/185
Inventor 邹昀李蜀豫周杭飞杨梦蝶潘丽鹦邱开发闫光昊
Owner JIANGNAN UNIV