CN113700218B

CN113700218B - Framework structure of steel material alternate combination in concrete beam

Info

Publication number: CN113700218B
Application number: CN202111149006.1A
Authority: CN
Inventors: 黄均贤; 黄妮; 洪一立
Original assignee: Individual
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2023-03-14
Anticipated expiration: 2041-09-29
Also published as: CN113700218A; WO2023050742A1

Abstract

The invention provides a framework structure formed by alternatively combining steel materials in a concrete beam, and belongs to the technical field of building construction. The skeleton structure comprises a plurality of stressed steel bars, a plurality of connecting steel plates and a plurality of special-shaped steel plates, the special-shaped steel plates are connected to the stressed steel bars, two ends of each connecting steel plate are connected with the special-shaped steel plates to form a bearing surface, and two ends of each connecting steel plate are connected with the two bearing surfaces through the special-shaped steel plates to form a basic skeleton structure. The invention utilizes the connection of the connecting steel plate and the special-shaped steel plate fixed on the stressed steel bar to form a skeleton structure with a plurality of bearing surfaces, and after the skeleton structure is respectively fixed by bent bars, stirrups and other structural steel bars, an efficient skeleton structure system is formed; the bent bars with the S-shaped bent parts at the two ends are adopted to replace part of stirrups, so that the effect of better constraining stressed steel bars can be achieved on the basis of reducing the cost.

Description

Framework structure of steel material alternative combination in concrete beam

Technical Field

The invention belongs to the technical field of building construction, and particularly relates to a framework structure formed by alternately combining steel materials in a concrete beam.

Background

The existing concrete skeleton structure is composed of stressed steel bars, stirrups, hole-making steel slabs and the like. The binding force of the stirrup on the stressed steel bar is less, so the effect is poor. The constraint force of the steel plate strips for making holes on the stressed steel bars is large, but the cost is high. The stirrups and the hole-making steel strips are both made of shallow toughened concrete, so that resources are greatly wasted.

Disclosure of Invention

The invention provides a skeleton structure with steel materials alternately combined in a concrete beam, and the skeleton structure with a plurality of bearing surfaces is formed by connecting a connecting steel plate and a special-shaped steel plate fixed on a stressed reinforcing steel bar so as to solve the technical problem.

In order to achieve the purpose, the technical solution of the invention is as follows:

the utility model provides a skeleton texture of steel material alternate combination in concrete beam, includes a plurality of atress reinforcing bars, a plurality of connecting steel plate and a plurality of deformed steel plate, deformed steel plate connects on the atress reinforcing bar, and the connecting steel plate both ends are connected with deformed steel plate and are formed a load face, the connecting steel plate both ends are connected the shape through deformed steel plate and two load faces and are constituted basic skeleton texture.

Preferably, the deformed steel plate is oval, and the front and the side of the deformed steel plate are provided with connecting parts connected with the connecting steel plate.

Preferably, the two stressed steel bars are arranged in the deformed steel plate in a group.

Preferably, a supporting limit part is arranged between the two stressed steel bars.

Preferably, the fixing device further comprises a fastening assembly, the fastening assembly comprises two first bent ribs with bent portions at two ends and a stirrup, two ends of each first bent rib are connected to the stressed steel bars of the bearing surface, and the basic framework structure is fixed by the stirrups.

Preferably, the bent portions at both ends of the first bent rib have an S-shape.

Preferably, the stirrup is arranged between the two first bent ribs.

Preferably, the connecting steel plates and the fastening components are arranged on the basic framework structure at intervals in sequence.

Preferably, the basic skeleton structure is further provided with structural steel bars.

Preferably, the structural steel bar is in limit connection with the stressed steel bars at the upper end and the lower end through the stirrups and the second bent bars, and the structural steel bar is fixed on the stirrups and the second bent bars through the binding wires.

The invention has the beneficial effects that:

1. the invention utilizes the connection of the connecting steel plate and the special-shaped steel plate fixed on the stressed steel bar to form a skeleton structure with a plurality of bearing surfaces, and after the skeleton structure is respectively fixed by bent bars, stirrups and other structural steel bars, an efficient skeleton structure system is formed.

2. The invention adopts the bent bars with the S-shaped bent parts at the two ends to replace partial stirrups, can achieve the effect of constraining the stressed steel bars of the perforated steel plate strip on the basis of reducing the cost, can utilize the solidification force of the deep layer of the concrete, and also can strengthen the concrete from the deep layer, thereby integrally improving the prestress of the concrete beam.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a side view of the present invention.

FIG. 3 is a schematic view of the connection between the connecting steel plate and the deformed steel plate.

Fig. 4 is a schematic structural view of the deformed steel plate.

Fig. 5 is a schematic structural view of a bent rib.

Fig. 6 is a schematic structural diagram of the supporting and limiting member.

In the figure: 1-stressed steel bars; 2-connecting steel plates; 3-special-shaped steel plate; 4-supporting a limiting part; 5-a fastening component; 51-a first curved rib; 52-stirrup; 6-structural steel reinforcement; 7-second curved rib.

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.

It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions such as "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 6, the framework structure formed by alternately combining steel materials in a concrete beam comprises a plurality of stressed steel bars 1, a plurality of connecting steel plates 2 and a plurality of special-shaped steel plates 3, wherein the special-shaped steel plates 3 are connected to the stressed steel bars 1, two ends of each connecting steel plate 2 are connected with the special-shaped steel plates 3 to form a bearing surface, and two ends of each connecting steel plate 2 are connected with an upper bearing surface and a lower bearing surface through the special-shaped steel plates 3 to form a basic framework structure. The two ends of the connecting steel plate are connected with the special-shaped steel plate to support the stressed steel bars mutually and keep the stressed steel bars within a set distance.

Further, the deformed steel plate 3 is oval, and the front and the side of the deformed steel plate 3 are provided with connecting parts 31 connected with the connecting steel plate 2. The connecting part on the oval special-shaped steel plate 3 is provided with two clamping grooves which are detachably connected with the connecting steel plate. Two atress reinforcing bar 1 is a set of, sets up in the deformed steel plate. Two be equipped with between the atress reinforcing bar 1 and support locating part 4, the both sides that support locating part 4 are equipped with the depressed part of mutually supporting with the atress reinforcing bar. The two stressed steel bars are hooped by the oval part of the special-shaped steel plate 3, and the steel beam in the framework structure is formed after the two stressed steel bars are hooped by the special-shaped steel plate and the connecting steel plate is propped tightly. The connecting steel plate 2 is made of I-shaped steel, the I-shaped steel connects the two stressed steel bars into a bearing surface through connecting parts on the oval special-shaped steel plates 3 at two ends, and the I-shaped steel connects the two bearing surfaces into a basic framework structure through the connecting parts on the side surfaces of the oval special-shaped steel plates.

Further, still be equipped with fastening assembly 5 on the basic skeleton texture, fastening assembly 5 includes two first curved muscle 51 and a stirrup 52 of both ends area flexion, the both ends of first curved muscle 51 are connected on the atress reinforcing bar 1 of load surface, and a atress reinforcing bar 1 is connected respectively at the both ends of two first curved muscle 51, plays fastening and spacing effect. The stirrup 52 secures the basic skeleton structure. The stirrup is arranged between two first bent ribs 51. Furthermore, the bent portions at the two ends of the first bent rib 51 are S-shaped, that is, the S-shaped bent portions of the bent rib hook the stressed steel bar 1 for fixing. This application adopts the curved muscle of two bandeau S-shaped flexion to replace partial stirrup, can reach the effect of the restraint atress reinforcing bar of system hole steel lath on reduce cost 'S basis to can utilize the solidification power of the concrete depth, follow deep tempering concrete, improve concrete beam' S whole prestressing force.

Furthermore, the connecting steel plates 2 and the fastening components 5 are sequentially arranged at intervals on the basic framework structure.

Further, still be equipped with structural steel 6 on the basic skeleton texture, structural steel 6 has four, and the structural steel setting is in accept the centre on every face on both sides about reinforcing bar 1 and the length of atress reinforcing bar is the same. Preferably, the structural steel bar 6 carries out spacing connection with the atress reinforcing bar 1 at upper and lower both ends through the curved muscle 7 of second, and two structural steel bars are all fixed in on the curved muscle 6 of second, stirrup 52 or the connecting plate 2 through pricking the silk, and the other end of the curved muscle of second is fixed in on the atress reinforcing bar 1.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A skeleton structure formed by alternately combining steel materials in a concrete beam is characterized by comprising a plurality of stressed steel bars, a plurality of connecting steel plates and a plurality of special-shaped steel plates, wherein the special-shaped steel plates are connected to the stressed steel bars, two ends of each connecting steel plate are connected with the special-shaped steel plates to form a bearing surface, and two ends of each connecting steel plate are connected with the two bearing surfaces through the special-shaped steel plates to form the skeleton structure; the two stressed steel bars are arranged in the special-shaped steel plate in a group; a supporting and limiting part is arranged between the two stressed steel bars, and two sides of the supporting and limiting part are provided with concave parts matched with the stressed steel bars;

the framework structure is characterized by further comprising a fastening assembly, wherein the fastening assembly comprises two first bent ribs with bent parts at two ends and a stirrup, two ends of each first bent rib are connected to stressed steel bars of a bearing surface, and the stirrup fixes the framework structure;

the bent parts at two ends of the first bent rib are S-shaped; the S-shaped bent part of the first bent rib hooks the stressed steel bar to be fixed;

the stirrup is arranged between the two first bent ribs.

2. The framework structure of alternate combination of steel materials in a concrete beam according to claim 1, wherein the deformed steel plates have an oval shape, and the front and side surfaces of the deformed steel plates are provided with connection portions connected with the connection steel plates.

3. A framework structure of alternate combination of steel materials in a concrete beam according to claim 1, wherein the connecting steel plates are sequentially spaced from the fastening assemblies on the framework structure.

4. A skeletal structure of an alternate combination of steel in concrete beams, as claimed in claim 3, wherein structural reinforcement is provided to the skeletal structure.

5. The framework structure of alternate combination of steel materials in a concrete beam according to claim 4, wherein the structural steel bars are in limit connection with the stressed steel bars at the upper and lower ends through second bent bars, and the structural steel bars are fixed on the stirrups and the second bent bars through binding wires.