CN215630716U

CN215630716U - Pre-buried structure based on concrete column and prefabricated steel beam interconnect

Info

Publication number: CN215630716U
Application number: CN202122330457.7U
Authority: CN
Inventors: 廖洪萱; 钟瑾; 徐朋静; 黄秋红; 陈陟林
Original assignee: Ganzhou Construction Engineering Group Co ltd
Current assignee: Ganzhou Construction Engineering Group Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-25
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a pre-buried structure based on interconnection of a concrete column and a prefabricated steel beam. This pre-buried structure based on concrete column and prefabricated steel beam interconnect, setting through the anchor bar, and the setting of anchor slab and angle steel group, and make its six anchor bars that correspond each other respectively in the quarter, interval department adopts butt welding between half and the three both sides anchor slab, and carry out interconnect to its angle steel group and connecting steel plate through the bolt, can effectively and stably bear the shear force and the moment of flexure that the girder steel transmitted, thereby this built-in fitting can make concrete column and the girder steel of both sides form reliable connection, have bearing capacity height, characteristics such as construction convenience and connection are reliable, and can also be used under the condition that concrete center pillar section length does not satisfy the pre-buried requirement of anchor bar.

Description

Pre-buried structure based on concrete column and prefabricated steel beam interconnect

Technical Field

The utility model relates to the technical field of embedded members for interconnecting a concrete column and a prefabricated steel beam, in particular to an embedded structure for interconnecting the concrete column and the prefabricated steel beam.

Background

The reinforced concrete column and steel beam frame structure fully exerts the advantages of the compression performance of concrete and the bending performance of steel materials, accords with the development trend of building structures, has wide application prospect, in the structure, the steel beam can be in bolt connection or welding connection with a steel plate pre-embedded in the concrete column, but a pre-embedded connecting piece is one of the key problems for realizing the expected performance of the structure, the design specification of the concrete structure indicates that a pre-embedded part consisting of an anchor plate and an anchor bar can be adopted, and the straight anchor bar needs to meet the requirement of the pre-embedded length, however, when the existing reinforced concrete center column is connected with the prefabricated steel beam, because the left side and the right side are connected with the steel beam, when the section width of the concrete column is less than twice the length of the straight anchor bar, the pre-embedded part can not meet the requirement of the tension bar anchoring length in the specification, the actual construction is very troublesome, and the connection of the pre-embedded part in the reinforced concrete column is unstable, the later stage precast steel beam secondary reinforcement has been leaded to with high costs, consequently, to above problem, this application has provided a pre-buried structure based on concrete column and precast steel beam interconnect optimizes it.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an embedded structure based on the interconnection of a concrete column and a prefabricated steel beam, and solves the problems that when the existing reinforced concrete center column is connected with the prefabricated steel beam, an embedded part cannot meet the requirement of the anchoring length of a tension steel bar in the specification, the actual construction is very troublesome, and the embedded part is unstable in the connection of the reinforced concrete column, so that the secondary reinforcement cost of the prefabricated steel beam in the later period is high.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a pre-buried structure based on interconnection of a concrete column and a prefabricated steel beam comprises the concrete column, the interior of the concrete column is formed by pouring concrete, a plurality of longitudinal ribs and a plurality of stirrups are arranged in the concrete column, anchor plates are pre-buried on two sides of the concrete column, steel beams are fixedly welded on the outer side surfaces of the anchor plates, six anchor ribs different in length are fixedly welded on one sides of the two anchor plates close to the middle portion, the six anchor ribs of the two anchor plates correspond to each other in sequence and are fixedly welded through butt welding seams, an angle steel group is fixedly connected on the side surfaces of the two anchor plates and comprises two angle steel, a first round hole is formed in the transverse plate surface of each angle steel group, four connecting steel plates are arranged on the surface of each angle steel group, each two connecting steel plates are arranged in a group, and each connecting steel plate is respectively located on the upper surface and the lower surface of the transverse plate of each angle steel, the connecting steel plate is characterized in that a second round hole with the same size as the first round hole in diameter is formed in the surface of the connecting steel plate, bolts penetrate through the second round holes of the two connecting steel plates, the middle of each bolt penetrates through the first round hole formed in the transverse plate surface of each connecting angle steel, and nuts are sleeved at the two ends of each bolt in a threaded manner.

Preferably, the outer side surface of the anchor plate and the side surface of the concrete column are on the same vertical surface.

Preferably, the six anchor bars are respectively distributed in a vertically-middle-lower bilateral symmetry mode by using the centers of the anchor plates, and the lengths of the three layers of anchor bars fixedly connected to the left anchor plate are respectively one fourth, one half and three fourths of the distance between the anchor plates on the two sides from top to bottom in sequence.

Preferably, the length of the three layers of anchor bars fixedly connected to the right anchor plate is three quarters, one half and one quarter of the distance between the anchor plates on the two sides from top to bottom.

Preferably, the surface of the bolt is movably sleeved with two gaskets, and two side edge openings of the gaskets are respectively in extrusion contact with the surface of the connecting steel plate and the edge opening of the nut.

Preferably, the anchor bars, the angle steel groups and the connecting steel plates are all arranged in concrete poured by the concrete columns.

(III) advantageous effects

The utility model provides a pre-buried structure based on interconnection of a concrete column and a prefabricated steel beam. The method has the following beneficial effects:

(1) this pre-buried structure based on concrete column and prefabricated steel beam interconnect, setting through the dowel, and the setting of anchor slab and angle steel group, and make its six dowel that correspond each other respectively at the quarter, interval department adopts butt welding between half and the three-fourth both sides anchor slab, and carry out interconnect to its angle steel group and connecting steel plate through the bolt, can effectively and stably bear shear force and moment of flexure that the girder steel transmitted, thereby this built-in fitting can make concrete column and the girder steel of both sides form reliable connection, have the bearing capacity height, characteristics such as construction convenience and connection are reliable, and can also be used under the condition that concrete center pillar section length does not satisfy the pre-buried requirement of dowel.

Drawings

FIG. 1 is a front internal schematic view of the structure of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is a cross-sectional view C-C of the present invention as set forth in FIG. 1;

FIG. 5 is a schematic view of the present invention without the structural anchor bars being welded;

FIG. 6 is a schematic view of the butt joint of the anchor plates on both sides of the structure of the present invention;

FIG. 7 is a schematic view of a structural joint steel plate of the present invention;

FIG. 8 is a detail view of the butt joint of the structural anchor bars of the present invention;

fig. 9 is a side detail view of the structural angle steel set of the present invention.

In the figure: 1. a steel beam; 2. a concrete column; 3. longitudinal ribs; 4. hooping; 5. an anchor plate; 6. anchoring ribs; 7. an angle steel group; 701. connecting angle steel; 8. butt welding; 9. connecting steel plates; 10. a bolt; 11. a first circular hole; 12. a second circular hole; 13. a gasket; 14. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the present invention provides a technical solution: a pre-buried structure based on interconnection of a concrete column and a prefabricated steel beam comprises a concrete column 2, the interior of the concrete column 2 is formed by pouring concrete, a plurality of longitudinal ribs 3 and a plurality of stirrups 4 are arranged in the concrete column 2, anchor plates 5 are pre-buried on two sides of the concrete column 2, the outer side surfaces of the anchor plates 5 and the side surfaces of the concrete column 2 are positioned on the same vertical surface, through the arrangement of the anchor plates 5, the steel beams 1 can be welded and fixed more stably, the steel beams 1 are fixedly welded on the outer side surfaces of the anchor plates 5, six anchor ribs 6 with different lengths are fixedly welded on one sides of the two anchor plates 5 close to the middle part, the six anchor ribs 6 are respectively distributed in a vertically and horizontally symmetrical mode by taking the center of the anchor plates 5 as the center, the lengths of three layers of anchor ribs 6 fixedly connected on the left anchor plate 5 are respectively one fourth, one half and three fourths of the distance between the anchor plates 5 on two sides in sequence, the lengths of three layers of anchor bars 6 fixedly connected to the right anchor plate 5 are three-quarter, one-half and one-quarter of the distance between the anchor plates 5 on two sides in sequence, the two anchor plates are stressed more uniformly when the pre-embedded length of the anchor bars reaches the standard through the mutual welding of the corresponding anchor bars 6 with different lengths, so that the two anchor plates can be fixed more stably, the six anchor bars 6 of the two anchor plates 5 are correspondingly and mutually fixedly welded through butt welding seams 8 in sequence, angle steel groups 7 are fixedly connected to the side surfaces of the two anchor plates 5, each angle steel group 7 comprises two connecting angle steels 701, a first round hole 11 is formed in the transverse plate surface of each connecting angle steel 701, four connecting steel plates 9 are arranged on the surface of each angle steel group 7, every two connecting steel plates 9 are arranged as a group, and each group of connecting steel plates 9 is respectively positioned on the upper surface and the lower surface of the transverse plate of each connecting angle steel 701, second round hole 12 with the same size of first round hole 11 diameter is seted up on the surface of connecting steel plate 9, it has bolt 10 all to run through in two connecting steel plate 9's the second round hole 12, the first round hole 11 that the diaphragm face of middle part through connection angle steel 701 of bolt 10 was seted up, the equal screw thread in both ends of bolt 10 has cup jointed nut 14, the surperficial movable sleeve of bolt 10 has two gaskets 13, gasket 13's both sides bead respectively with connecting steel plate 9's surface and nut 14's bead extrusion contact, setting through gasket 13, thereby played the higher effect of making its nut 14 stability, anchor bar 6, angle steel group 7 and connecting steel plate 9 all are located and set up in the concrete that concrete column 2 was pour.

When in use, firstly, when a beam is bound on a concrete column 2, two anchor plates 5 are respectively embedded at the connecting part of a steel beam 1, the outer side surfaces of the anchor plates 5 and the vertical surface of the concrete column 2 are positioned on the same plane, then, corresponding six anchor bars 6 on the two anchor plates 5 are mutually welded, meanwhile, transverse plates of two groups of angle steel groups 7 are vertically attached to connecting steel plates 9, the connecting steel plates are distributed as shown in figure 6, then bolts 10 of the bolts penetrate through a first round hole 11 on a connecting angle steel 701 and a second round hole 12 on the connecting steel plate 9 in sequence, gaskets 13 of the bolts are sleeved on the bolts 10, finally, two ends of the bolts 10 are respectively sleeved with screw caps 14 in a threaded manner, the screw caps 14 are turned to a fastening state, then, concrete is poured in the concrete column 2, and after the strength of the concrete reaches the standard, the steel beam 1 is directly and fully welded on the outer side surfaces of the anchor plates 5, and those not described in detail in this specification are well within the skill of those in the art.

To sum up, the pre-buried structure based on the interconnection of the concrete column and the prefabricated steel beam is obtained by arranging the anchor bars 6 and arranging the anchor plates 5 and the angle steel sets 7, and enabling the six anchor bars 6 corresponding to each other to adopt butt welding at the intervals between the anchor plates at one fourth, one half and three fourths of two sides respectively, and mutually connecting the angle steel sets 7 and the connecting steel plates 9 through the bolts 10, so that the shear force and the bending moment transmitted by the steel beam 1 can be effectively and stably borne, the pre-buried part can enable the concrete column 2 to be reliably connected with the steel beams 1 at two sides, and the pre-buried structure has the characteristics of high bearing capacity, convenient construction, reliable connection and the like, and can be used under the condition that the section length of the concrete column does not meet the pre-buried requirements of the anchor bars.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pre-buried structure based on concrete column and prefabricated steel beam interconnect, includes concrete column (2), its characterized in that: the concrete column (2) is formed by pouring concrete, a plurality of longitudinal bars (3) and a plurality of stirrups (4) are arranged in the concrete column (2), anchor plates (5) are pre-embedded in two sides of the concrete column (2), a steel beam (1) is fixedly welded on the outer side surfaces of the anchor plates (5), six anchor bars (6) with different lengths are fixedly welded on one sides of the two anchor plates (5) close to the middle part, the six anchor bars (6) of the two anchor plates (5) are fixedly welded with each other through butt welding seams (8) in sequence, angle steel groups (7) are fixedly connected to the side surfaces of the two anchor plates (5), each angle steel group (7) comprises two connecting angle steels (701), a first round hole (11) is formed in the transverse plate surface of each connecting angle steel (701), four connecting steel plates (9) are arranged on the surface of each angle steel group (7), four every two liang of connecting steel plate (9) are a set of setting, every group connecting steel plate (9) are located the upper surface and the lower surface of angle connector (701) diaphragm respectively, the surface of connecting steel plate (9) is seted up with first round hole (11) diameter second round hole (12) big with, and bolt (10) have all been run through in second round hole (12) of two connecting steel plate (9), first round hole (11) that the diaphragm face of angle connector (701) was seted up are run through in the middle part of bolt (10), nut (14) have been cup jointed to the equal screw thread in both ends of bolt (10).

2. The pre-buried structure based on concrete column and prefabricated steel beam interconnect of claim 1, characterized in that: the outer side surface of the anchor plate (5) and the side surface of the concrete column (2) are positioned on the same vertical surface.

3. The pre-buried structure based on concrete column and prefabricated steel beam interconnect of claim 1, characterized in that: the six anchor bars (6) are respectively distributed in a vertically, vertically and bilaterally symmetrical mode by using the center of the anchor plate (5), and the length of the three layers of anchor bars (6) fixedly connected to the anchor plate (5) on the left side is one fourth, one half and three fourths of the distance between the anchor plates (5) on the two sides from top to bottom in sequence.

4. The pre-buried structure based on concrete column and prefabricated steel beam interconnect of claim 3, characterized in that: the length of the three layers of anchor bars (6) fixedly connected to the right anchor plate (5) is three quarters, one half and one quarter of the distance between the anchor plates (5) on the two sides from top to bottom respectively.

5. The pre-buried structure based on concrete column and prefabricated steel beam interconnect of claim 1, characterized in that: two gaskets (13) are movably sleeved on the surface of the bolt (10), and edge openings on two sides of each gasket (13) are respectively in extrusion contact with the surface of the connecting steel plate (9) and an edge opening of the nut (14).

6. The pre-buried structure based on concrete column and prefabricated steel beam interconnect of claim 1, characterized in that: the anchor bars (6), the angle steel groups (7) and the connecting steel plates (9) are all arranged in concrete poured by the concrete columns (2).