Novel assembly type steel-concrete structure

Abstract

The utility model relates to the field of steel structures, in particular to a novel assembly type steel-concrete structure which comprises a steel column and a steel beam, the steel column and the steel beam are both H-shaped steel, first stiffened plates are welded to the two ends of the steel column, a plurality of first main ribs are arranged between the two first stiffened plates in a penetrating mode, and at least one main bracket is arranged between the two first stiffened plates. One end of the flange of the main bracket is embedded between the flanges of the two steel columns, the first main reinforcement penetrates through the flange embedded section of the main bracket, first concrete pouring cavities are formed between the flanges of the main bracket and the stiffened plates, the web of the main bracket extends out of the first concrete pouring cavities, mounting holes are formed in the extending parts of the web of the main bracket, and second stiffened plates are welded to the two ends of the steel beam. A plurality of second main ribs are arranged between the two second stiffened plates in a penetrating mode, a second concrete pouring cavity is formed between the two stiffened plates, and a matching hole is formed in the end of a web of the steel beam, and the main bracket and the steel beam are rigidly connected through a bolt penetrating through the mounting hole and the matching hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel structure, concretely relates to a novel assembly type steel concrete structure. BACKGROUND

[0002] Steel structure house has been rapidly popularized in the global scope, and has had more than 20 years' course in China, in numerous residential buildings, the factory production of suitable component of steel structure house can integrate design, production, construction and installation, changes 'on-site construction' into 'factory manufacturing', improves the industrialization and commercialization level of house, and the steel structure house is light in self weight, low in foundation cost, applicable to soft ground, easy to install, fast in construction, short in period, fast in investment recovery, less in construction pollution to environment, good in anti-seismic performance, recyclable, economic and environmental protection and the like, so has good development prospect in the house market. The concrete in the steel beam and the steel column in the prior art needs to be cast on site, and the construction steps are complex, and the novel assembly type steel concrete structure is proposed, which can complete casting in a factory and simplify the construction steps. SUMMARY

[0003] The utility model discloses a novel assembly type steel concrete structure, which aims to solve the problems in the background art.

[0004] A novel assembly type steel concrete structure is characterized by comprising a steel column and a steel beam, the steel column and the steel beam are both H-shaped steel, first reinforcing plates are welded at the two ends of the steel column, a plurality of first main bars are arranged through the two first reinforcing plates, at least one main corbel is arranged between the two first reinforcing plates, the main corbel flange is embedded between the flanges of the two steel columns at one end, the first main bars are embedded into the flange embedding section of the main corbel, the first concrete pouring cavity is formed between the main corbel flange and the reinforcing plates, the main corbel web extends out of the first concrete pouring cavity, and the extension part is provided with a mounting hole, second reinforcing plates are welded at the two ends of the steel beam, a plurality of second main bars are arranged through the two second reinforcing plates, a second concrete pouring cavity is formed between the two reinforcing plates, the end of the steel beam web is provided with a matching hole matched with the mounting hole, and the main corbel and the steel beam are rigidly connected through the bolts penetrating the mounting hole and the matching hole.

[0005] Preferably, the first main bars located on the inner side are sleeved with inner stirrups, and the first main bars located on the outer side are sleeved with rectangular outer stirrups.

[0006] Preferably, the main corbel web embedding section is provided with a bar penetrating hole, and the rectangular outer stirrup penetrates the bar penetrating hole and is welded and fixed with the main corbel.

[0007] Preferably, the second main bars are sleeved with U-shaped outer stirrups in the second concrete pouring cavity.

[0008] Preferably, the second main rib extends through the reinforced plate and extends into the web cavity of the main corbel.

[0009] Preferably, two side symmetrical auxiliary corbels are welded to the steel column, and the auxiliary corbel web is provided with an auxiliary mounting hole with the same size as the mounting hole.

[0010] Preferably, the steel beam is provided with a connecting plate on the side, and the connecting plate is provided with a through hole.

[0011] Advantages

[0012] (1) The utility model discloses a first concrete pouring cavity and a second concrete pouring cavity are arranged in the steel beam and the steel column respectively, and the pouring can be completed in the factory, and then the steel column and the steel beam are transported to the construction site for installation, which simplifies the construction steps and improves the construction efficiency.

[0013] (2) The first concrete pouring cavity is divided into different parts by the two flanges of the main corbel, and the concrete in the main corbel web cavity can be poured on site, which improves the flexibility during construction and improves the construction efficiency.

[0014] (3) The concrete wrapping can effectively constrain the steel member, delay local buckling, improve overall bearing capacity, and is suitable for large-span or high-rise structures.

[0015] (4) The price of concrete is relatively low compared with steel, which can effectively reduce the comprehensive cost, and the concrete wrapping layer can be used as a fireproof protective layer to delay the softening of steel at high temperature and reduce the use of fireproof paint. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the steel column in the utility model;

[0017] Figure 2 It is a structure schematic view of the steel column in the utility model; Figure 1 It is an internal structure schematic view of A in the utility model;

[0018] Figure 3 It is a structure schematic view of the main corbel in the utility model;

[0019] Figure 4 It is a structure schematic view of the steel beam in the utility model;

[0020] Figure 5 It is an enlarged structure schematic view of A in the utility model; Figure 4

[0021] Figure 6 It is a structure schematic view of the steel column and the steel beam after assembly;

[0022] ​In the diagram: 1. Steel column, 101. Steel column web, 102. Steel column flange, 103. First concrete pouring cavity, 104. Ear plate, 2. Main corbel, 201. Main corbel web, 202. Main corbel flange, 203. Through-reinforcement hole, 204. Installation hole, 3. Secondary corbel, 301. Secondary installation hole, 4. First reinforcing plate, 5. First main reinforcement, 501. Rectangular outer stirrup, 502. Inner stirrup, 6. Secondary beam, 7. Secondary main reinforcement, 701. U-shaped outer stirrup, 8. Steel beam, 801. Steel beam web, 802. Steel beam flange, 803. Fitting hole, 804. Second concrete pouring cavity, 9. Second reinforcing plate, 10. Connecting plate, 1001. Through hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] like Figures 1-5 As shown, a novel prefabricated steel-concrete structure includes steel columns 1 and steel beams 8. Both the steel columns and beams are I-beams. First stiffening plates 4 are welded to both ends of the steel columns. The lower end of the first stiffening plate is welded to the web 101 of the steel column, and both sides are welded to the flanges 102 of the steel column. Multiple first main reinforcing bars 5 are arranged through the space between the two first stiffening plates. At least one main corbel 2 is provided between the two first stiffening plates. One end of the flange 202 of the main corbel is embedded between the flanges of the two steel columns. The first main reinforcing bars penetrate the embedded section of the flange of the main corbel. The flanges of the main corbel and the stiffening plates respectively form a first concrete pouring cavity 103. One main corbel can fill the first concrete pouring cavity. The beam is divided into two pouring cavities. The main corbel web 201 extends into the first concrete pouring cavity, and the extended portion is provided with mounting holes 204. The two ends of the steel beam are welded with second stiffening plates 9. The lower end of the second stiffening plate is welded to the steel beam web 801, and the two sides are welded to the steel beam flanges 802. Multiple second main reinforcing bars 7 are arranged through the two second stiffening plates, forming the second concrete pouring cavity 804 between the two stiffening plates. The end of the steel beam web is provided with mating holes 803 that match the mounting holes. The main corbel and the steel beam are rigidly connected by bolts that pass through the mounting holes and mating holes. Concrete is poured into both the first concrete pouring cavity and the second concrete pouring cavity.

[0026] The end of the steel column has the first main reinforcement extending out, and the end of the steel column is fixedly welded with an ear plate 104, facilitating on-site installation.

[0027] The first main reinforcement located on the inner side is sleeved with an inner stirrup 502, and the first main reinforcement located on the outer side is sleeved with a rectangular outer stirrup 501. A plurality of through-reinforcement holes 203 are arranged in the main corbel web embedding section. The rectangular outer stirrup located at the main corbel web penetrates through the plurality of through-reinforcement holes and is welded and fixed with the main corbel. The rectangular outer stirrup is welded and fixed at the contact position with the steel column flange. The second main reinforcement is sleeved with a U-shaped outer stirrup 701 in the second concrete pouring cavity. The opening direction of the U-shaped outer stirrup is towards the steel beam web. The U-shaped outer stirrup is welded at the contact position with the steel beam flange. The second main reinforcement penetrates through the reinforced plate and extends into the web cavity of the main corbel. The second main reinforcement extends out of the steel beam edge by 250 mm, and the length of the second main reinforcement beyond the edge of the first concrete pouring cavity is the same as that of the main corbel.

[0028] The second main reinforcement is anchored into the main corbel. After the second main reinforcement is anchored, the main corbel web cavity is poured with concrete at the construction site. The steel column is symmetrically welded with a secondary corbel 3 on both sides. The secondary corbel web is provided with a secondary mounting hole 301 with the same specification as the mounting hole. The steel beam side is provided with a connecting plate 10. The connecting plate is provided with a through hole 1001. The connecting plate is welded on the steel beam web and extends out of the second concrete pouring cavity. The secondary corbel and the connecting plate are both used for installing a secondary beam 6. The secondary beam is provided with a secondary beam hole at both ends for bolted connection with the secondary mounting hole and the through hole.

[0029] Figure 1 The first concrete cavity of the middle steel column has been poured with concrete, Figure 4 The second concrete cavity of the middle steel beam has been poured with concrete.

[0030] Working principle

[0031] The first reinforcing plate 4 is welded at both ends of one side of the steel column web plate 101, the main bracket 2 is placed between the two first reinforcing plates and welded on the steel column, the first reinforcing plate and the main bracket flange are provided with a plurality of small holes in advance, a plurality of first main bars 5 are penetrated through the main bracket flange between the two first reinforcing plates and the two reinforcing plates, the inner stirrup 502 is uniformly sleeved on the inner side of the first main bar, the rectangular outer stirrup 501 is sleeved on the outer side of the first main bar, the rectangular stirrup and the steel column flange are welded at the contact position, then the main bracket is fixed by pouring concrete in the first concrete pouring cavity 103 on both sides of the main bracket, the second reinforcing plate 9 is welded at both ends of one side of the steel beam web plate 801, a plurality of small holes are also provided on the second reinforcing plate in advance, a plurality of second main bars 7 are penetrated through the second reinforcing plate, the connecting plate is welded on the steel beam web plate at a proper position, the second main bar is penetrated through the connecting plate, the through hole 1001 on the connecting plate 10 extends out of the second concrete pouring cavity to facilitate the installation of the secondary beam 6, the U-shaped stirrup 701 is uniformly sleeved on the outer side of the second main bar, the U-shaped stirrup and the steel beam flange are welded at the contact position, then the concrete is poured in the second concrete pouring cavity 804 after welding, the steel beam web plate is aligned with the mounting hole of the main bracket by using the matching hole at one end of the steel beam web plate and the mounting hole of the main bracket during on-site installation, the bolt and the nut are used for locking, the concrete is poured at the connection between the main bracket and the steel beam after the bolt is locked, so as to complete the connection between the steel column 1 and the steel beam 8.

[0032] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A new type of fabricated steel-concrete structure, characterized in that: The application relates to a steel column and a steel beam, both of which are H-shaped steel, two ends of the steel column are welded with first reinforced plates, a plurality of first main bars are arranged through the two first reinforced plates, at least one main corbel is arranged between the two first reinforced plates, one end of a flange of the main corbel is embedded between flanges of two steel columns, the first main bars are embedded into an embedded segment of a flange of the main corbel, the flange of the main corbel is arranged between the first reinforced plates to form a first concrete pouring cavity, a web plate of the main corbel extends out of the first concrete pouring cavity and an installation hole is arranged in the extended part, two ends of the steel beam are welded with second reinforced plates, a plurality of second main bars are arranged through the two second reinforced plates, a second concrete pouring cavity is formed between the two reinforced plates, an end of a web plate of the steel beam is provided with a matching hole matched with the installation hole, and the main corbel and the steel beam are rigidly connected through bolts arranged through the installation hole and the matching hole.

2. The novel fabricated steel-concrete structure according to claim 1, characterized in that: Inner stirrups are arranged on the first main bars on the inner side, and rectangular outer stirrups are arranged on the first main bars on the outer side.

3. The novel fabricated steel-concrete structure according to claim 2, characterized in that: The embedded segment of the web plate of the main corbel is provided with a bar penetrating hole, the rectangular outer stirrups penetrate the bar penetrating hole and are welded with the main corbel.

4. The novel fabricated steel-concrete structure according to claim 1, characterized in that: The second main bars are sleeved with U-shaped outer stirrups in the second concrete pouring cavity.

5. The novel fabricated steel-concrete structure according to claim 1, characterized in that: The second main bars penetrate the reinforced plates and extend into the web cavity of the main corbel.

6. The novel fabricated steel-concrete structure according to claim 1, characterized in that: Symmetrical auxiliary corbels are welded on two sides of the steel column, and auxiliary installation holes with the same specifications as the installation holes are arranged on the web plates of the auxiliary corbels.

7. The novel fabricated steel-concrete structure according to claim 1, characterized in that: The steel beam is provided with a connecting plate on the side, and the connecting plate is provided with a through hole.

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