CN219281057U

CN219281057U - Novel equivalent composite structure superposed beam

Info

Publication number: CN219281057U
Application number: CN202320654923.3U
Authority: CN
Inventors: 徐善鹏; 崔英姿
Original assignee: Changzhou Jingou Zhijian Technology Co ltd
Current assignee: Changzhou Jingou Zhijian Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-06-30
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a novel equivalent composite structure superposed beam which comprises a superposed beam body and a precast slab, wherein a hollowed-out section steel framework is arranged in the superposed beam body, the superposed beam body is divided into an upper section connecting section and a lower section supporting section, the lower section supporting section and the hollowed-out section steel framework are prefabricated together, the end part of the precast slab is provided with an extended connecting steel bar, and the connecting steel bar penetrates through the upper layer connecting section and a concrete connecting layer is poured between the upper section connecting section and the lower section supporting section. The prefabricated equivalent combined structure laminated beam passes through the connecting reinforcing steel bars extending from the prefabricated plate and then is cast in place together with concrete, so that an integrated whole connecting structure of the beam and the plate is formed, and the structure is stable; and set up inclined plane structure around the prefabricated plate for the connection of concatenation seam department is more firm, and intensity increases. The problems that a construction cold front is formed on the protection layer of the assembled laminated slab support and the laminated beam in the existing building engineering, and the connecting sections are all positioned at the joints and have unfavorable stress and earthquake resistance are solved.

Description

Novel equivalent composite structure superposed beam

Technical Field

The utility model relates to the technical field of assembly type building construction, in particular to a novel composite beam with an equivalent combined structure.

Background

Along with the rapid development of construction technology, the assembly type construction mode is quite mature, and one obvious advantage of the assembly type construction mode is that the construction efficiency can be improved, and the construction period is greatly shortened. One of the more important construction steps in the assembly construction is how to connect two or even more assembly members, and in the modular construction, the connection of the prefabricated panels to the laminated beam or other structure is critical to the stability of the building. At present, in a modularized building, most of floors are directly piled on steel beams, so that the floor height is affected; and the stability is poor, and the requirements of the modularized building cannot be met.

Disclosure of Invention

The utility model provides a novel composite structure laminated beam with stable connection, which solves the technical problems in the prior art and improves the integral stress performance of a precast slab and the laminated beam.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel equivalent integrated configuration composite beam, includes composite beam body and prefabricated plate, the inside configuration of composite beam body has fretwork shaped steel skeleton, and the composite beam body divide into upper segment linkage segment and hypomere support segment, hypomere support segment and fretwork shaped steel skeleton prefabricate together and form, the tip of prefabricated plate is provided with the connecting reinforcement that extends, the connecting reinforcement passes the upper segment linkage segment and pour the concrete coupling layer between the two.

Further, fretwork shaped steel skeleton includes the batten board that two rows of intervals set up, the upper and lower end of batten board is connected with upper flange plate and lower flange plate, upper flange plate be provided with a plurality of with the connecting plate that the batten board corresponds. When the prefabricated plate is installed, the upper flange plate is removed, and when the prefabricated plate is installed, the upper flange plate is installed in one-to-one correspondence through the connecting plate and the lacing plate.

Further, the connecting steel bar is provided with an upper layer and a lower layer, the lower layer steel bar penetrates through the upper section connecting section of the hollowed-out steel skeleton to be supported on the upper surface of the lower section supporting section, and the upper layer steel bar is supported on the upper surface of the upper flange plate. When the upper layer steel bars and the lower layer steel bars are connected on site, the upper layer steel bars and the lower layer steel bars are anchored in the superposed beams and then concreted, so that the upper layer steel bars and the lower layer steel bars are integrated, and the firmness of the structure is improved.

Further, the gusset plate and the connecting plate are connected by bolts, self-tapping screws or welded.

Further, the prefabricated plate is provided with an inclined plane from top to bottom, the angle of the inclined plane is 45 degrees, the angle of the periphery of the prefabricated plate is 45 degrees, the inclined plane is matched with the inclined plane of the cast-in-situ section of the connecting structure, construction, positioning and installation are convenient, and the stress performance is improved.

The prefabricated equivalent combined structure laminated beam passes through the connecting reinforcing steel bars extending from the prefabricated plate and then is cast in place together with concrete, so that an integrated whole connecting structure of the beam and the plate is formed, and the structure is stable; and set up inclined plane structure around the prefabricated plate for the connection of concatenation seam department is more firm, and intensity increases. The utility model solves the problems that the construction cold front is formed on the support of the assembled laminated slab and the protective layer of the laminated beam in the existing building engineering, and the connecting sections are all positioned at the joints and have unfavorable stress and earthquake resistance.

Drawings

FIG. 1 is a schematic diagram of a superposed Liang Loukong section steel skeleton structure in the utility model;

FIG. 2 is a schematic view of the lower section prefabrication of a composite beam in accordance with the present utility model;

FIGS. 3 and 4 are schematic views illustrating installation of prefabricated panels according to the present utility model;

FIG. 5 is a schematic illustration of the installation of an upper flange plate of the present utility model;

FIG. 6 is a schematic view showing a connection state of a laminated beam and a prefabricated slab according to the present utility model;

fig. 7 is an enlarged view of the junction structure of the present utility model.

Labeling and describing: 1. an upper flange plate; 2. a lower flange plate; 3. a lacing plate; 4. a lower support section; 5. an upper section connecting section; 6. connecting steel bars; 7. overlapping the body; 8. a prefabricated plate; 9. an upper layer of reinforcing steel bars; 10. lower layer steel bars; 11. a connecting plate; 12. and a concrete connecting layer.

Detailed Description

A specific embodiment of a novel equivalent composite structure composite beam according to the present utility model will be further described with reference to fig. 1 to 7.

The utility model provides a novel equivalent integrated configuration composite beam, includes composite beam body and prefabricated plate 8, the inside configuration of composite beam body has fretwork shaped steel skeleton, and the composite beam body divide into upper segment linkage segment 5 and hypomere support segment 4, and hypomere support segment 4 is prefabricated together with fretwork shaped steel skeleton and is formed, the tip of prefabricated plate 8 is provided with the connecting reinforcement 6 that extends, connecting reinforcement 6 passes upper segment linkage segment and pouring concrete tie layer 12 between the two.

In this embodiment, preferably, the hollowed-out steel skeleton includes two rows of batten plates 3 arranged at intervals, the upper end and the lower end of the batten plates 3 are connected with an upper flange plate 1 and a lower flange plate 2, and the upper flange plate 1 is provided with a plurality of connecting plates 11 corresponding to the batten plates 3. When the precast slab 8 is installed, the upper flange plate 1 is dismantled, and when the precast slab 8 is installed, the upper flange plate 1 is installed through the connection plate 11 and the lacing plate 3 in a one-to-one correspondence.

In this embodiment, preferably, the connecting steel bar 6 is provided with an upper layer and a lower layer, the lower layer steel bar 10 passes through the upper section connecting section 5 of the hollowed-out steel skeleton and is supported on the upper surface of the lower section supporting section 4, and the upper layer steel bar 9 is supported on the upper surface of the upper flange plate 1. When the upper layer steel bar 9 and the lower layer steel bar 10 are connected in situ, the upper layer steel bar 9 and the lower layer steel bar 10 are anchored in the superposed beam and then concreted, so that the upper layer steel bar 9 and the lower layer steel bar are integrated, and the firmness of the structure is improved.

In this embodiment, the lacing plate 3 and the connecting plate 11 are preferably connected by bolts, self-tapping screws or welded.

In this embodiment, preferably, the prefabricated plate 8 is provided with an inclined plane from top to bottom, the angle of the inclined plane is 45 °, and the angle of the periphery of the prefabricated plate 8 is 45 °, which is matched with the inclined plane of the cast-in-situ section of the connection structure, so that the construction, positioning and installation are convenient, and the stress performance is improved.

The hollow steel skeleton (shown in figure 1) is arranged in the superposed beam body, and the steel skeleton is formed by equivalent reinforced bars of reinforced concrete. The superposed beam body is divided into an upper section and a lower section, the lower section supporting section 4 and the hollow-out section steel framework are prefabricated together, and the upper section connecting section 5 and the connecting section (connecting reinforcing steel 6) of the prefabricated plate 8 are cast in situ together. The hollow-out type frameworks are connected into a whole (shown in figure 2) when the lower section of the laminated beam is prefabricated. When the prefabricated panel 8 is installed, as shown in fig. 3 and 4, the upper flange plate 1 is removed, the connecting steel bars 6 are erected on the superposed beams, and when the prefabricated panel 8 is installed, the upper flange plate 1 is installed (as shown in fig. 5 and 7). The upper flange plates 1 are connected with the lacing plates 3 of the hollowed-out steel skeleton in one-to-one correspondence, and can be connected by bolts, self-tapping screws or welded. After the upper flange plate 1 is installed, pouring is carried out on the cast-in-place section of the floor slab, so that the beam and plate integration is formed (as shown in fig. 6).

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a novel equivalent integrated configuration coincide roof beam which characterized in that: including coincide beam body and prefabricated plate, the inside configuration of coincide beam body has fretwork shaped steel skeleton, and coincide beam body divide into upper segment linkage segment and hypomere braced segment, hypomere braced segment and fretwork shaped steel skeleton prefabricate together and form, the tip of prefabricated plate is provided with the connecting reinforcement that extends, the connecting reinforcement passes upper segment linkage segment and pour the concrete coupling layer between the two.

2. The novel equivalent composite structure composite beam of claim 1, wherein: the hollowed-out profile steel framework comprises two rows of lacing plates arranged at intervals, an upper flange plate and a lower flange plate are connected to the upper end and the lower end of each lacing plate, and a plurality of connecting plates corresponding to the lacing plates are arranged on the upper flange plate.

3. The novel equivalent composite structure composite beam of claim 2, wherein: the connecting steel bar is provided with an upper layer and a lower layer, the lower layer steel bar penetrates through the upper section connecting section of the hollowed-out steel skeleton to be supported on the upper surface of the lower section supporting section, and the upper layer steel bar is supported on the upper surface of the upper flange plate.

4. The novel equivalent composite structure composite beam of claim 2, wherein: the lacing plate and the connecting plate are connected by bolts, self-tapping screws or welded.

5. The novel equivalent composite structure composite beam of claim 1, wherein: the precast slab is provided with an inclined plane from top to bottom, and the inclined plane angle is 45 degrees.