Precast concrete double-superposed beam

Abstract

The utility model relates to the technical field of prefabricated concrete double-superposed beams, in particular to a prefabricated concrete double-superposed beam which comprises a foundation side plate cage, a plurality of foundation steel bars are arranged in the foundation side plate cage, a plurality of supporting steel bar frames are arranged outside the foundation steel bars, reinforcing steel bars are arranged in the centers of the interiors of the supporting steel bar frames, and the reinforcing steel bars are arranged in the foundation side plate cage. A plurality of stirrups are arranged outside the reinforcing steel bars, a connecting steel bar is arranged at the top end of the interior of the supporting steel bar frame, a plurality of circulation through pipes are arranged in the foundation side plate cage, and guide plates are symmetrically arranged on the two sides of the circulation through pipes; by means of the structure of the foundation side plate cage, the foundation steel bars, the supporting steel bar frame, the reinforcing steel bars, the connecting steel bars, the circulation through pipes and the guide plates, the problems that the steel bars of a traditional concrete double-superposed beam are prone to displacement, deformation and the like are solved, and meanwhile the problem that in the concrete pouring process, distribution and fluidity of concrete are difficult to control is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of precast concrete double-laminated beams, in particular to a precast concrete double-laminated beam. Background Art

[0002] With the rapid development of the construction industry, precast concrete double-laminated beams have been widely used as an efficient and economical building structure. Double-laminated beams have the advantages of high strength, convenient construction, and light weight, and are particularly suitable for large-span, heavy-load building structures.

[0003] Traditional concrete double-laminated beams use a simple steel bar arrangement and connection method, which results in insufficient stability and integrity of the steel bar skeleton, and is prone to problems such as steel bar displacement and deformation. At the same time, during the concrete pouring process, the distribution and fluidity of the concrete are difficult to control.

[0004] Therefore, it is particularly important to design a precast concrete double-laminated beam to change the above-mentioned technical defects and improve the overall practicality. Utility Model Content

[0005] The utility model aims to provide a precast concrete double-laminated beam to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A precast concrete double-composite beam comprises a foundation side plate cage, a plurality of foundation steel bars are arranged inside the foundation side plate cage, a plurality of support steel bar frames are arranged outside the foundation steel bars, reinforcing steel bars are arranged at the center of the support steel bar frames, a plurality of stirrups are arranged outside the reinforcing steel bars, connecting steel bars are arranged at the top end of the support steel bar frames, a plurality of flow pipes are arranged inside the foundation side plate cage, and guide plates are symmetrically arranged on both sides of the plurality of flow pipes.

[0008] As a preferred solution of the utility model, a waterproof coating is provided on the outside of the basic side plate cage to enhance its waterproof performance.

[0009] As a preferred solution of the utility model, the supporting steel bar frame is fixed to the foundation steel bars by welding to ensure the stability and integrity of the structure.

[0010] As a preferred solution of the utility model, the reinforcing steel bars are arranged in a spiral shape to improve the bending and shearing resistance of the double-laminated beam.

[0011] As a preferred solution of the utility model, the stirrups are made of high-strength steel bar material and form a tight grid structure with the reinforcing steel bars to enhance the stress-bearing performance and seismic resistance of the double-composite beam.

[0012] As a preferred solution of the utility model, a plurality of small holes are provided on the tube wall of the flow-through tube for pouring and flowing of concrete to ensure uniform distribution and compactness of the concrete inside the double-laminated beam.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, a precast concrete double-composite beam is set up, and the structure of foundation side plate cage, foundation steel bars, support steel bar frame, reinforcing steel bars, connecting steel bars, circulation pipes and guide plates is utilized. The foundation steel bars are set in the foundation side plate cage, and the support steel bar frame is installed outside the foundation steel bars. Stability and integrity are ensured by welding. Reinforcing steel bars are installed in the center of the support steel bar frame, and stirrups are installed outside the reinforcing steel bars to form a grid structure to enhance the force bearing performance and seismic resistance. Connecting steel bars are installed at the top of the support steel bar frame for subsequent connection and fixation. Guide plates and circulation channels are placed, welded after adjusting the position angle, and finally concrete is irrigated. The small holes of the circulation pipes are utilized to ensure uniform distribution and fluidity. The problems that the traditional concrete double-composite beam adopts a simple steel bar arrangement and connection method, resulting in insufficient stability and integrity of the steel bar skeleton, and prone to steel bar displacement and deformation, and at the same time, the distribution and fluidity of concrete are difficult to control during the concrete pouring process are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the entire utility model;

[0016] Figure 2 A schematic diagram of the overall steel bar frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the components inside the basic side plate cage of the utility model.

[0018] In the figure: 1. Foundation side plate cage; 2. Foundation steel bars; 3. Support steel bar frame; 4. Reinforcement steel bars; 5. Stirrups; 6. Connecting steel bars; 7. Flow pipe; 8. Guide plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A precast concrete double composite beam comprises a foundation side plate cage 1, a plurality of foundation steel bars 2 are arranged inside the foundation side plate cage 1, a plurality of support steel bar frames 3 are arranged outside the foundation steel bars 2, a reinforcing steel bar 4 is arranged at the center of the support steel bar frame 3, a plurality of stirrups 5 are arranged outside the reinforcing steel bar 4, a connecting steel bar 6 is arranged at the top of the support steel bar frame 3, a plurality of flow through pipes 7 are arranged inside the foundation side plate cage 1, guide plates 8 are symmetrically arranged on both sides of the plurality of flow through pipes 7, the foundation steel bars 2 are arranged inside the foundation side plate cage 1 according to the design requirements to ensure that the spacing and position of the steel bars are accurate, the support steel bar frame 3 is installed outside the foundation steel bars 2, and the steel bars are welded or Mechanical connection and fixation ensure the stability and integrity between the support steel bar frame 3 and the foundation steel bar 2. Install the reinforcing steel bar 4 at the inner center of the support steel bar frame 3 to ensure that the position of the reinforcing steel bar 4 is accurate and stable. Install stirrups 5 on the outside of the reinforcing steel bar 4 to form a tight grid structure to enhance the force performance and seismic performance of the double composite beam. Install the connecting steel bar 6 at the inner top of the support steel bar frame 3 for subsequent connection and fixing work. Then place the guide plate 8 and the circulation channel 7 inside the foundation side plate cage 1 and adjust the position angle, then weld, and then irrigate the concrete inside, using the small holes on the circulation pipe to ensure the uniform distribution and fluidity of the concrete;

[0025] The outside of the foundation side plate cage 1 is provided with a waterproof coating to enhance its waterproof performance. The foundation side plate cage 1 and each steel bar assembly are fixed by welding for easy support. The supporting steel bar frame 3 and the foundation steel bar 2 are fixed by welding to ensure the stability and integrity of the structure. The reinforcing steel bar 4 is arranged in a spiral shape to improve the bending and shearing capacity of the double-laminated beam. The stirrups 5 are made of high-strength steel bar material and form a tight grid structure with the reinforcing steel bar 4 to enhance the force-bearing performance and seismic resistance of the double-laminated beam. A number of small holes are provided on the wall of the flow pipe 7 for pouring and flowing of concrete to ensure the uniform distribution and density of concrete inside the double-laminated beam.

[0026] The working process of the utility model is as follows: when using this kind of precast concrete double-composite beam, firstly, the foundation steel bars 2 are arranged inside the foundation side plate cage 1 according to the design requirements to ensure that the spacing and position of the steel bars are accurate, and the support steel bar frame 3 is installed outside the foundation steel bar 2, and is fixed by welding or mechanical connection to ensure the stability and integrity between the support steel bar frame 3 and the foundation steel bar 2, and the reinforcing steel bar 4 is installed at the inner center of the support steel bar frame 3 to ensure that the position of the reinforcing steel bar 4 is accurate and stable, and stirrups 5 are installed outside the reinforcing steel bar 4 to form a tight grid structure to enhance the force-bearing performance and seismic resistance of the double-composite beam, and connecting steel bars 6 are installed at the inner top of the support steel bar frame 3 for subsequent connection and fixing work, and then the guide plate 8 and the circulation channel 7 are placed inside the foundation side plate cage 1 and the position angle is adjusted, and then welded, and then concrete is irrigated inside, and the small holes on the circulation pipe are used to ensure the uniform distribution and fluidity of the concrete.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precast concrete double composite beam, comprising a foundation side plate cage (1), characterized in that: A plurality of foundation steel bars (2) are arranged inside the foundation side plate cage (1), a plurality of support steel bar frames (3) are arranged outside the foundation steel bars (2), a reinforcing steel bar (4) is arranged at the center of the support steel bar frame (3), a plurality of stirrups (5) are arranged outside the reinforcing steel bar (4), a connecting steel bar (6) is arranged at the top end of the support steel bar frame (3), a plurality of flow pipes (7) are arranged inside the foundation side plate cage (1), and guide plates (8) are symmetrically arranged on both sides of the plurality of flow pipes (7).

2. A precast concrete double composite beam according to claim 1, characterized in that: The base side plate cage (1) is provided with a waterproof coating on its exterior to enhance its waterproof performance.

3. The precast concrete double composite beam according to claim 1, characterized in that: The supporting steel bar frame (3) and the foundation steel bars (2) are fixed by welding to ensure the stability and integrity of the structure.

4. The precast concrete double composite beam according to claim 1, characterized in that: The reinforcing steel bars (4) are arranged in a spiral shape to improve the bending and shearing resistance of the double-laminated beam.

5. The precast concrete double composite beam according to claim 1, characterized in that: The stirrups (5) are made of high-strength steel bar material and form a tight grid structure with the reinforcing steel bars (4) to enhance the stress-bearing performance and earthquake resistance of the double-laminated beam.

6. The precast concrete double composite beam according to claim 1, characterized in that: The wall of the flow through pipe (7) is provided with a plurality of small holes for pouring and flowing concrete, so as to ensure uniform distribution and compactness of the concrete inside the double laminated beam.

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