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Local embedded type supporting steel frame unit and construction method thereof

A built-in, steel frame technology, applied in the direction of architecture, building structure, etc., can solve problems such as the impact of use functions, and achieve the effect of small impact on building functions, clear and clear force transmission path, and easy construction and installation

Pending Publication Date: 2020-07-24
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The purpose of the invention is to solve the problem of the influence of the support system on the use function of the steel structure building

Method used

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  • Local embedded type supporting steel frame unit and construction method thereof
  • Local embedded type supporting steel frame unit and construction method thereof
  • Local embedded type supporting steel frame unit and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] combine Figure 3~Figure 7 illustrate. The partially embedded supporting steel frame unit provided by the embodiment of the present invention is applied and installed in the original frame structure. Column 1-2, the partially embedded supporting steel frame unit is arranged between the steel beam 1-1 and the steel column 1-2. Partial embedded supporting steel frame unit includes a prefabricated sub-frame 2, 2 supporting members 7, 2 sub-frame upper nodes 4-1, 2 sub-frame lower nodes 4-2, 1 supporting upper node 3, 1 supporting 5 lower nodes and 1 supporting middle node.

[0039] The partially embedded supporting steel frame unit is set between the steel beam 1-1 and the steel column 1-2, including a sub-frame 2, and the sub-frame 2 includes a sub-beam 2-1 and two sub-columns 2-2, and the sub-column 2- 2 and sub-beam 2-1 are H-shaped steel,

[0040]The sub-columns 2-2 are relatively arranged, and the tops of the two sub-columns 2-2 are fixedly connected to the steel ...

Embodiment 2

[0057] It is basically the same as Embodiment 1, except that this embodiment also provides a construction method using the partially embedded supporting steel frame unit provided in Embodiment 1.

[0058] A construction method for a partially embedded supporting steel frame unit, comprising the following steps:

[0059] Step 1, this step is carried out in the factory, welding the upper node 4-1 of the two subframes to the outer side of the flange of the steel beam 1-1 located above, and welding the lower node 4-2 of the two subframes to the steel beam 1 located below The outer side of the flange of -1 is welded, and a reinforcement hole is opened at the bottom of node 4-2 under the subframe;

[0060] Step 2, this step is carried out in the factory, the first splint 3-1 in the support upper node 3 is welded and fixed with the steel beam 1-1 located above it along the length direction, and fixed with the upper node of the subframe along the width direction The outside of the fl...

Embodiment 3

[0069] Basically the same as embodiment 2, the difference is:

[0070] combine Figure 8~9 , this embodiment is slightly different from that of Embodiment 2, which is embodied in the sub-frame upper node 4-1 and the sub-frame lower node 4-2: during the construction of this embodiment, the sub-frame upper node 4-1 One end is first welded with the sub-column 2-2. The reason for this connection is that when the main frame does not contain any nodes or the design institute does not want to deepen the nodes, the upper and lower nodes of the sub-frame and the sub-frame can be assembled in the factory as a whole. Hoist them together to the site, and the other end will be welded to the outside of the first flange 3-6 after the components in the support upper node 3 are installed in the subsequent construction process. And compared with embodiment 2, the flange of the node 4-1 on the subframe is provided with a stiffener 3-5 at the projected position of the first 3-3 to avoid local da...

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Abstract

The invention provides a local embedded type supporting steel frame unit. The local embedded type supporting steel frame unit comprises a sub frame, the sub frame comprises a sub cross beam and two sub stand columns, the top ends of the two sub stand columns are fixedly connected with a steel beam through sub frame upper joints, supporting upper joints are fixedly mounted between the steel beam and the sub frame upper joints, the bottom ends of the two sub stand columns are fixedly connected with the steel beam through sub frame lower joints, supporting lower joints are fixedly mounted betweenthe steel beam and the sub frame lower joints, the two ends of the sub cross beam are fixedly connected with the middles of the two sub stand columns, two connecting positions of the two sub stand columns and the sub cross beam are fixedly provided with supporting middle joints, and supporting parts are arranged between the supporting upper joints and the supporting middle joints and between thesupporting lower joints and the supporting middle joints. The frame unit has the advantages of being small in building function influence, easy and convenient to construct and mount, clear in force transmission path, free of changing an original structure stress system, convenient to design and model and the like.

Description

Background technique [0001] Steel frame structure is a commonly used structural system for building steel structures. However, due to the weak lateral stiffness of the structure and its prone to instability and damage, it is usually necessary to set up a support system to improve the lateral stiffness and stability of the steel frame, and it is used as the first step in seismic fortification. Second line of defense. The arrangement of the supports in the steel frame is herringbone, V-shaped or monoclinic (such as figure 1 shown), and the support axis is required to meet the beam-column axis at the same time to avoid joint eccentric force. Therefore, the setting of the support generally needs to occupy the entire frame bay, which has a great impact on the lighting, ventilation and aesthetics of the building, limits the use of the building, and also restricts the application of the support system in the steel structure of the building. With the development of building moderniz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24
CPCE04B1/24E04B1/2403E04B2001/2418E04B2001/2427
Inventor 赵俊贤胡韵颖郝贵强周云齐建伟石晓娜王湛韩伟黄艳斌胡挺益
Owner SOUTH CHINA UNIV OF TECH