CN216446340U

CN216446340U - Assembled reinforced concrete beam structure

Info

Publication number: CN216446340U
Application number: CN202123066406.4U
Authority: CN
Inventors: 刘付钧; 曾知超; 肖永生; 罗聿侃; 覃祥延
Original assignee: RBS Partners S&T Co Ltd
Current assignee: RBS Partners S&T Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-06
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an assembled reinforced concrete beam structure, wherein framework reinforcing steel bars are arranged at four corners in a concrete beam formwork in a penetrating manner; a plurality of groups of stirrup sets are arranged in the concrete beam formwork, the stirrup sets are arranged in parallel with the concrete beam formwork, the bottoms of the stirrup sets are fixedly connected with the framework steel bars, and the upper parts of the stirrup sets extend out of the concrete beam formwork; two opposite grooves are formed in two ends of the bottom of the concrete beam formwork, and the grooves extend to the bottoms of the stirrup sets; the concrete beam formwork is provided with a through groove with an open top, the through groove and the stirrups are combined to form a cavity body, and fixed steel bar groups are fixedly mounted at four corners inside the cavity body. The utility model has simple integral structure, convenient production and construction and good integral stress performance.

Description

Assembled reinforced concrete beam structure

Technical Field

The utility model relates to the technical field of building construction, in particular to an assembled reinforced concrete beam structure.

Background

The reinforced concrete beam is a beam made of reinforced concrete materials. The reinforced concrete beam can be made into an independent beam, a beam-plate type floor system integrated with a reinforced concrete plate, or a single-layer or multi-layer frame integrated with the reinforced concrete column. The reinforced concrete beam has various forms, is the most basic bearing component in engineering structures such as house buildings, bridge buildings and the like, and has extremely wide application range.

The reinforced concrete beam is an important horizontal component in a civil engineering structure, and the prior art mainly comprises a common cast-in-place reinforced concrete beam, a prefabricated superposed beam and a prefabricated hollow beam.

The construction process of the common cast-in-place reinforced concrete beam is approximately as follows: the construction method comprises the steps of firstly binding horizontal steel bars and stirrups to form a steel reinforcement cage on a construction site, installing templates around the cross section of a beam, then pouring concrete into the templates, and removing the templates around the beam to form the integral reinforced concrete beam after the concrete is solidified and reaches a certain strength. The construction process is developed for years and is mature, but a large amount of field manual operations such as reinforcing steel bar binding, formwork supporting and removing and the like exist, the process is complex, and the construction period is long.

The prefabricated composite beam is cast and fixed by most of concrete and steel bars in a factory, and is installed by hoisting after being transported to a construction site. In addition, the prefabricated superposed beam reinforcing steel bars are mainly connected through bent anchors, sleeves and post-cast concrete, the structure is complex, and the integrity of the structure is poor.

The main defects of the existing prefabricated hollow beam are that the structure of a reinforcement cage is complex, the reinforcement cage is not completely arranged in a concrete shell, the number of holes formed in a mould is large, the installation and the removal of the reinforcement cage are inconvenient, even the reinforcement cage needs to be overturned for many times during production, and the production efficiency needs to be improved.

Therefore, the design of the assembled reinforced concrete beam structure which is simple in structure, convenient to produce and construct and good in overall stress performance becomes a further improvement direction.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an assembly type reinforced concrete beam structure, and in order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an assembled reinforced concrete beam structure, an assembled reinforced concrete beam structure which characterized in that: the concrete beam formwork comprises a concrete beam formwork, stirrup sets, framework reinforcing steel bars and fixing reinforcing steel bar sets, wherein the framework reinforcing steel bars penetrate through four corners in the concrete beam formwork; a plurality of stirrup sets are arranged in the concrete beam formwork, the stirrup sets are arranged in parallel with the concrete beam formwork, the bottoms of the stirrup sets are fixedly connected with the framework steel bars, and the upper parts of the stirrup sets extend out of the concrete beam formwork; two opposite grooves are formed in two ends of the bottom of the concrete beam formwork, and the grooves extend to the bottoms of the stirrup sets; the concrete beam formwork is provided with a through groove with an opening at the top, the through groove and the stirrups are combined to form a cavity body, and fixed steel bar groups are fixedly mounted at four corners inside the cavity body.

Preferably, the concrete beam formwork, the framework steel bars and the lower parts of the stirrup sets are integrally formed by pouring concrete.

Preferably, the fixed reinforcement group comprises a beam inner through long reinforcement and a movable reinforcement, two corners at the bottom of the through groove and two corners at the inner side of the upper end of the stirrup group are respectively penetrated and fixed with the beam inner through long reinforcement, and a connection point of the beam inner through long reinforcement and the through groove or the stirrup group is fixed by welding or binding; the inner side of the through long rib in the beam is fixed with a movable reinforcing steel bar, the movable reinforcing steel bar is respectively fixed at two ends of the through long rib in the beam, and the movable reinforcing steel bar is fixed with a connection point between the through long ribs in the beam through binding.

Preferably, the groove further extends to the bottom of a beam inner through long rib fixedly connected with the through groove, and the bottom of the beam inner through long rib and the groove are fixed through welding or binding.

Preferably, the stirrup group comprises a transverse steel bar and a longitudinal steel bar, the transverse steel bar and the longitudinal steel bar are fixed into a rectangular structure through welding, a framework steel bar is clamped between the lower surface of the transverse steel bar in the concrete beam formwork and the outer side of the longitudinal steel bar, and the lower end face of the framework steel bar is higher than or flush with the lower end face of the longitudinal steel bar.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the utility model has simple integral structure and reduces the processes of reinforcing steel bar binding and template supporting and disassembling on site; compared with the prefabricated superposed beam, the prefabricated beam has the advantages that the weight of the prefabricated member is reduced, the transportation and hoisting cost is saved, the post-cast concrete and the prefabricated member are cast in situ into a whole, and the structural performance is good; compared with the existing prefabricated hollow beam, the utility model optimizes the structural form of the reinforcement cage, the spatial position relation between the reinforcement cage and the concrete beam formwork and the structure of the concrete beam formwork, so that the mold structure is simple when the concrete beam member is produced, the turnover is not needed in the production process, the production process is simplified, and the production efficiency is improved; and the template-free concrete pouring is realized in the construction link.

Drawings

FIG. 1 is an end sectional view of the present invention taken along a formwork of a concrete beam.

Fig. 2 is a middle sectional view of the formwork of the present invention taken along a concrete beam.

Fig. 3 is a schematic view of the overall structure of the present invention.

Fig. 4 is a schematic structural view of a formwork for a concrete beam according to the present invention.

Detailed Description

The utility model is further described with reference to the following drawings and detailed description.

As shown in fig. 1 to 4, an assembled reinforced concrete beam structure includes a concrete beam formwork 1, a stirrup set 2, a transverse reinforcement 201, a longitudinal reinforcement 202, a framework reinforcement 3, a groove 4, a through groove 5, a beam inner through long reinforcement 6 and a moving reinforcement 7.

Framework steel bars 3 penetrate through four inner corners of the concrete beam formwork 1; a plurality of groups of stirrup sets 2 are arranged in the concrete beam formwork 1, the stirrup sets 2 are arranged in parallel with the concrete beam formwork 1, the bottom of each stirrup set 2 is fixedly connected with a framework steel bar 3, and the upper part of each stirrup set 2 extends out of the concrete beam formwork 1; two opposite grooves 4 are formed in two ends of the bottom of the concrete beam formwork 1, and the grooves 4 extend to the bottom of the stirrup group 2; concrete beam mould shell 1 is equipped with open-top's logical groove 5, leads to groove 5 and stirrup group 2 and encloses the synthetic cavity body, and the equal fixed mounting in the internal portion four corners department of cavity has fixed reinforcement group, can transport this concrete beam mould shell 1 to the construction site after concreting can form the concrete beam, this concrete beam mould shell structure is whole light, easily shaping and transportation can improve the efficiency of construction of concrete beam, and can improve holistic atress performance.

The lower parts of the concrete beam formwork 1, the framework steel bars 3 and the stirrup group 2 are integrally formed by pouring concrete.

The fixed reinforcement group comprises a beam inner through long reinforcement 6 and a movable reinforcement 7, two corners at the bottom of the through groove 5 and two corners at the inner side of the upper end of the stirrup group 2 are respectively penetrated and fixed with the beam inner through long reinforcement 6, and the connecting point of the beam inner through long reinforcement 6 and the through groove 5 or the stirrup group 2 is fixed by welding or binding; lead to 6 inboards of long muscle to be fixed with removal reinforcing bar 7 in the roof beam, remove reinforcing bar 7 and be fixed in 6 both ends of the interior logical long muscle of roof beam respectively, leave the clearance between the removal reinforcing bar 7 at both ends, convenient concreting at last is fixed with the shaping, and the tie point between the logical long muscle 6 in removal reinforcing bar 7 and the roof beam passes through the ligature and fixes.

The groove 4 also extends to the bottom of a through long rib 6 in the beam fixedly connected with the through groove 5, and the bottom of the through long rib 6 in the beam is fixed with the groove 4 through welding or binding.

The stirrup group 2 comprises a transverse steel bar 201 and a longitudinal steel bar 202, the transverse steel bar 201 and the longitudinal steel bar 202 are fixed into a rectangular structure through welding, a framework steel bar 3 is clamped between the lower surface of the transverse steel bar 201 in the concrete beam formwork 1 and the outer side of the longitudinal steel bar 202, the lower end face of the framework steel bar 3 is higher than or flush with the lower end face of the longitudinal steel bar 202, the framework steel bar 3 limits and positions the position between the stirrup group 2 and the concrete beam formwork 1, and the stability after integral casting is enhanced.

The manufacturing process of the utility model comprises the following steps: welding transverse steel bars 201 and longitudinal steel bars 202 into a stirrup group 2 with a rectangular structure, and arranging a plurality of groups of stirrups side by side along the length direction of the concrete beam; b, adhering framework steel bars 3 to two corners and side edges of the bottom of the stirrup group 2; the concrete beam formwork is formed by pouring concrete once, the concrete beam formwork 1 is of a groove-shaped structure with three sides enclosing a top opening, a stirrup group 2 and a framework steel bar 3 are coated, and the upper end of the stirrup group 2 extends out of a concrete beam; grooves 4 are formed in two ends of the concrete beam formwork 1, so that transverse steel bars 201 at the bottoms of the stirrup sets 2 at two ends of the concrete beam are exposed out of the grooves 4;

mounting a beam inner through long rib 6 at two corners of the bottom of the through groove 5, and welding or binding and fixing the beam inner through long rib 6 and the stirrup group 2 exposed at the groove 4;

meanwhile, a beam inner through long rib 6 is arranged on the inner side of the upper end of the stirrup set 2, and the beam inner through long rib 6 is bound and fixed with the upper end of the stirrup set 2;

and finally, hoisting in place on a construction site, pulling the movable steel bars 7 into the cavity body and fixing, and finally pouring concrete into the cavity body and above the cavity after template-free pouring to finish the manufacturing of the assembled reinforced concrete beam.

The reinforced concrete beam structure manufactured by the utility model does not need the processes of on-site reinforcement binding and template supporting and disassembling, compared with the prefabricated superposed beam, the utility model reduces the weight of the prefabricated member, saves the transportation and hoisting cost, and has good structural performance because the post-cast concrete and the prefabricated member are cast into a whole on site; compared with the existing prefabricated hollow beam, the utility model optimizes the structural form of the reinforcement cage, the spatial position relation between the reinforcement cage and the concrete beam formwork and the structure of the concrete beam formwork, so that the mold structure is simple when the concrete beam member is produced, the turnover is not needed in the production process, the production process is simplified, and the production efficiency is improved; and the construction link realizes the template-free concrete pouring, and the whole structure has better engineering advantages and economic benefits.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.

Claims

1. The utility model provides an assembled reinforced concrete beam structure which characterized in that: the concrete beam formwork comprises a concrete beam formwork (1), a stirrup set (2), framework reinforcing steel bars (3) and a fixed reinforcing steel bar set, wherein the framework reinforcing steel bars (3) penetrate through the four corners in the concrete beam formwork (1); a plurality of groups of stirrup sets (2) are arranged in the concrete beam formwork (1), the stirrup sets (2) are arranged in parallel with the concrete beam formwork (1), the bottom of each stirrup set (2) is fixedly connected with the framework steel bar (3), and the upper part of each stirrup set (2) extends out of the concrete beam formwork (1); two opposite grooves (4) are formed in two ends of the bottom of the concrete beam formwork (1), and the grooves (4) extend to the bottom of the stirrup group (2); concrete beam mould shell (1) is equipped with open-top's logical groove (5), lead to groove (5) with stirrup group (2) enclose the synthetic cavity body, the internal equal fixed mounting in four corners of cavity has fixed reinforcement group.

2. An assembled reinforced concrete beam structure according to claim 1, wherein: the concrete beam formwork (1), the framework steel bars (3) and the lower parts of the stirrup sets (2) are integrally formed by pouring concrete.

3. An assembled reinforced concrete beam structure according to claim 1, wherein: the fixed steel bar group comprises an in-beam through long bar (6) and a movable steel bar (7), the two corners of the bottom of the through groove (5) and the two corners of the inner side of the upper end of the stirrup group (2) are respectively penetrated and fixed with the in-beam through long bar (6), and the connecting point of the in-beam through long bar (6) and the through groove (5) or the stirrup group (2) is fixed by welding or binding; the roof beam is interior to lead to long muscle (6) inboard and be fixed with removal reinforcing bar (7), removal reinforcing bar (7) are fixed in respectively lead to long muscle (6) both ends in the roof beam, removal reinforcing bar (7) with tie point between the roof beam is interior to lead to long muscle (6) is fixed through the ligature.

4. An assembled reinforced concrete beam structure according to claim 3, wherein: the groove (4) also extends to the bottom of a beam inner through long rib (6) fixedly connected with the through groove (5), and the bottom of the beam inner through long rib (6) is fixed with the groove (4) through welding or binding.

5. An assembled reinforced concrete beam structure according to claim 1, wherein: the stirrup group (2) comprises transverse steel bars (201) and longitudinal steel bars (202), the transverse steel bars (201) and the longitudinal steel bars (202) are fixed into a rectangular structure through welding, framework steel bars (3) are clamped between the lower surfaces of the transverse steel bars (201) and the outer sides of the longitudinal steel bars (202) in the concrete beam formwork (1), and the lower end faces of the framework steel bars (3) are higher than or flush with the lower end faces of the longitudinal steel bars (202).