Fabricated steel structure concrete truss cross beam structure

Abstract

The utility model belongs to the technical field of building structures, and discloses an assembly type steel structure concrete truss cross beam structure which comprises a cross beam body, the cross beam body is formed by pouring after I-shaped steel and a wave shearing force steel bar combination cage are combined, and the I-shaped steel is arranged in the wave shearing force steel bar combination cage in a penetrating mode. Through the arrangement of the steel bar body, the wave shear steel bar combined cage, the reserved floor cement reserved laminated plate connecting ribs, the cement concrete and the bottom component connecting reserved rectangular groove, the cross beam body serves as a main bearing structure, and the bottom component connecting reserved rectangular groove of the cross beam body is conveniently used for being connected with other bottom components; and the reinforcing steel bar bodies penetrating through the interiors of the reserved rectangular grooves for connecting the cross beam main body and the bottom component can improve the overall rigidity and strength of the structure, and the wave shearing force reinforcing steel bar combined cage improves the shearing resistance of concrete.

Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field, concretely is a kind of assembly type steel structure concrete truss beam structure. BACKGROUND

[0002] Steel structure concrete truss beam structure is the truss beam structure that two materials of steel structure and concrete are jointly constituted.Usually it is by steel truss as main load-bearing framework, and pours concrete on it or in it to form composite stress system.

[0003] The existing such as Chinese patent application No.201410031894.0 prestressed concrete-steel truss mixed continuous rigid frame bridge and its construction method discloses a prestressed concrete-steel truss mixed continuous rigid frame bridge and its construction method, the rigid frame bridge includes: main span, side span and pier, wherein the midspan portion of main span is steel truss beam, the rest of main span and side span are concrete box girder.The connecting structure of steel truss beam and concrete box girder is steel-concrete combined section.The steel truss beam includes steel truss rod and concrete bridge deck, steel truss rod includes upper chord, lower chord, web, upper flat link, lower flat link, and the upper chord of steel truss is connected with concrete bridge deck through shear connector.The concrete box girder includes top plate, bottom plate, web and transverse diaphragm plate.The present application provides a prestressed concrete-steel truss mixed continuous rigid frame bridge with good stress performance, large span capacity, good economic performance and suitable for construction in mountainous areas and other places with inconvenient transportation.

[0004] The bridge type combines steel structure and concrete structure, and needs to involve various construction techniques and technologies, such as steel structure welding, concrete pouring, etc., during construction, so the construction difficulty is large.

[0005] Therefore, the present application provides an assembly type steel structure concrete truss beam structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an assembly type steel structure concrete truss beam structure to solve the problem that the bridge type combines steel structure and concrete structure, and needs to involve various construction techniques and technologies, such as steel structure welding, concrete pouring, etc., during construction, so the construction difficulty is large.

[0007] To achieve the above object, the utility model provides the following technical scheme: an assembly type steel structure concrete truss beam structure, including beam main part, the beam main part is that I-shaped steel and wave shear reinforcement combined cage are combined and then poured, wave shear reinforcement combined cage is internally provided with I-shaped steel.

[0008] The cement concrete is poured in the inside of the wave shear steel bar combined cage, and the wave shear steel bar combined cage, the steel bar body and the wave shear steel bar combined cage form a firm composite material structure, so that good compression resistance and durability are provided.

[0009] Preferably, the top of the beam body is connected with a reserved floor cement reserved slab connecting rib, and the reserved floor cement reserved slab connecting rib is welded with the wave shear steel bar combined cage.

[0010] Preferably, the top of the reserved floor cement reserved slab connecting rib is in a hook shape, and the reserved floor cement reserved slab connecting ribs are distributed on the beam body at equal intervals.

[0011] The reserved floor cement reserved slab connecting rib is used for connecting with the last floor slab or the slab, so that the continuity and integrity of the structure are ensured, and the anchoring force of the reserved floor cement reserved slab connecting rib is increased by the hook-shaped design, so that the reliability of the connection is improved.

[0012] Preferably, the wave shear steel bar combined cage is composed of an upper wave shear steel bar, a left wave shear steel bar and a right wave shear steel bar.

[0013] The wave shear steel bar combined cage not only improves the shear capacity of the concrete, but also helps to resist cracks caused by temperature changes or load changes, the wave shape increases the bonding force between the steel bar and the concrete, and the overall performance of the structure is improved.

[0014] Preferably, the two ends of the I-beam are provided with steel structure connecting ports, one end of the steel structure connecting port is welded with a stiffening rib, and the inside of the stiffening rib is provided with a bolt hole.

[0015] The design of the above structure increases the connection strength of the two ends of the I-beam, facilitates the connection and assembly in the later stage, and facilitates the overall assembly.

[0016] Preferably, the wave shear steel bar combined cage is provided with a steel bar body, the steel bar body is provided with two, and the steel bar body penetrates the beam body.

[0017] Preferably, the stiffening rib is made of high-strength material, and the two groups of bolt holes are arranged close to the outer side of the steel structure connecting port.

[0018] Preferably, the overall beam body is designed as a cuboid structure, and the lower part of the beam body is designed as a plane.

[0019] Preferably, the overall beam body is designed as a cuboid structure, and the lower part of the beam body is provided with a bottom member connecting reserved rectangular groove.

[0020] The design with the above structure is convenient for late-stage quick assembly and increases the practicability of the whole by reserving the bottom component connecting reserved rectangular recess.

[0021] Compared with the prior art, the assembled steel-concrete truss beam structure has the advantages that:

[0022] 1. The reserved rectangular recess in the bottom component of the beam body is convenient for connecting with other bottom components, the steel body penetrating through the reserved rectangular recess in the bottom component of the beam body and the bottom component connecting recess of the beam body can improve the rigidity and strength of the whole structure, the wave-shaped shear reinforcement cage not only improves the shear resistance of the concrete, but also helps to resist cracks caused by temperature changes or load changes, ensures that the structure has certain compression resistance and durability, good workability and assemblability, and the built-in I-beam can further enhance the strength of the beam body.

[0023] 2. The steel structure connecting port is located at both ends of the I-beam and is used for connecting with other structural components, the stiffening rib is welded and connected at one end of the steel structure connecting port and is used for increasing the strength and rigidity of the steel structure connecting port, which helps to resist deformation and damage caused by load changes, and the steel structure connecting port is fastened and connected with other structures through bolts penetrating into the bolt holes. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure diagram of the upper chord and the lower chord of the utility model;

[0025] Figure 2 It is a partial structure diagram of the utility model;

[0026] Figure 3 It is a three-dimensional structure diagram of the utility model;

[0027] Figure 4 It is a perspective structure diagram of the beam body of the utility model.

[0028] In the drawing: 1, beam body; 2, steel structure connecting port; 3, steel body; 4, wave-shaped shear reinforcement cage; 5, reserved floor cement reserved laminated plate connecting rib; 6, I-beam; 7, bottom component connecting reserved rectangular recess; 8, stiffening rib; 9, bolt hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] Embodiment one, please refer to Figures 1-4 The utility model provides a kind of technical scheme: a fabricated steel structure concrete truss beam structure, including beam main body 1, the beam main body 1 is poured after being combined by I-steel 6 and wave shear reinforcement combined cage 4, it is characterized by: wave shear reinforcement combined cage 4 is internally provided with I-steel 6, the both ends of I-steel 6 are provided with steel structure connecting port 2, and steel structure connecting port 2 one end is welded and connected with stiffener 8, and the inside of stiffener 8 is provided with bolt hole 9, steel body 3 is provided on wave shear reinforcement combined cage 4, and steel body 3 is provided with two, and steel body 3 penetrates beam main body 1, stiffener 8 is made of high-strength material, the outside of bolt hole 9 is provided with two groups close to steel structure connecting port 2, by the I-steel 6 design of penetration whole, not only can strengthen the strength of beam main body 1, simultaneously still pass through steel structure connecting port 2 and bolt hole 9 is convenient for late assembly and connection, greatly increase practicality;

[0031] The top of the beam main body 1 is connected with a reserved floor cement reserved laminated connecting rib 5, and the reserved floor cement reserved laminated connecting rib 5 is welded with the wave shear reinforcement combined cage 4. The top of the reserved floor cement reserved laminated connecting rib 5 is in a hook shape, and the reserved floor cement reserved laminated connecting rib 5 is distributed on the beam main body 1 at equal intervals. The wave shear reinforcement combined cage 4 is composed of upper wave shear reinforcement, left wave shear reinforcement, and right wave shear reinforcement. This design improves the shear resistance of concrete, helps resist cracks caused by temperature changes or load changes, ensures that the fabricated steel structure concrete truss beam structure has certain compressive strength and durability, as well as good workability and assembly capability. The overall structure of the beam main body 1 is designed as a cuboid, and a bottom member connecting reserved rectangular groove 7 is arranged below the beam main body 1. The bottom member connecting reserved rectangular groove 7 facilitates the assembly of the structure.

[0032] Embodiment two, the difference between this embodiment and embodiment one is that the overall structure of the beam main body 1 is designed as a cuboid, and the bottom of the beam main body 1 is designed as a plane. There is no bottom member connecting reserved rectangular groove 7 in embodiment one, which expands the range of use and further increases the overall strength.

[0033] Working principle: when using the assembled steel reinforced concrete truss beam structure, first, the beam body 1 is used as the main load-bearing structure, which provides strong bending and shear resistance, the bottom member connection reserved rectangular groove 7 of the beam body 1 is convenient for connecting with other bottom members, which ensures the overall stability of the structure, and the steel body 3 penetrating through the inside of the beam body 1 and the bottom member connection reserved rectangular groove 7 can improve the overall rigidity and strength of the structure, and the wave shear steel reinforcement combined cage 4 composed of upper wave shear steel reinforcement, left wave shear steel reinforcement and right wave shear steel reinforcement not only improves the shear resistance of concrete, but also helps to resist cracks caused by temperature changes or load changes, ensuring that the assembled steel reinforced concrete truss beam structure has certain compressive and durability and good construction and assembly, the steel structure connecting port 2 is located at both ends of the beam body 1, which is used for connecting with other structural members, the stiffener 8 is welded at one end of the steel structure connecting port 2, which is used to increase the strength and rigidity of the steel structure connecting port 2, which helps to resist deformation and damage caused by load changes, and the steel structure connecting port 2 is fastened and connected with other structures through the bolt penetrating into the bolt hole 9.

[0034] Thus a series of work is completed, and the content not described in detail in the specification belongs to the prior art known to those skilled in the art.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A prefabricated steel-concrete truss beam structure, comprising a beam body (1), wherein the beam body (1) is formed by assembling and casting an I-beam (6) and a corrugated shear reinforcement cage (4), characterized in that: The interior of the wave shear steel reinforcement cage (4) is provided with I-beams (6).

2. The prefabricated steel-concrete truss beam structure according to claim 1, characterized in that: The top of the main beam (1) is connected with a pre-reserved floor cement pre-reserved stacked plate connecting bar (5), and the pre-reserved floor cement pre-reserved stacked plate connecting bar (5) is welded to the corrugated shear steel reinforcement cage (4).

3. The prefabricated steel-concrete truss beam structure according to claim 2, characterized in that: The top of the reserved floor cement pre-reserved stacked slab connecting bar (5) is hook-shaped, and the reserved floor cement pre-reserved stacked slab connecting bar (5) is evenly distributed on the main body of the crossbeam (1).

4. The prefabricated steel-concrete truss beam structure according to claim 1, characterized in that: The wave shear reinforcement cage (4) is composed of upper wave shear reinforcement, left wave shear reinforcement and right wave shear reinforcement.

5. The prefabricated steel-concrete truss beam structure according to claim 1, characterized in that: Both ends of the I-beam (6) are provided with steel structure connection ports (2), and one end of the steel structure connection port (2) is welded with a stiffening rib (8), and the stiffening rib (8) has bolt holes (9) inside.

6. The prefabricated steel-concrete truss beam structure according to claim 1, characterized in that: The wave shear steel cage (4) is provided with a steel bar body (3), and there are two steel bars in the steel bar body (3), and the steel bar body (3) penetrates through the main body of the crossbeam (1).

7. A prefabricated steel-concrete truss beam structure according to claim 5, characterized in that: The stiffening rib (8) is made of high-strength material, and two sets of bolt holes (9) are provided on the outside of the steel structure connection port (2).

8. The prefabricated steel-concrete truss beam structure according to claim 1, characterized in that: The main body of the crossbeam (1) is designed as a cuboid structure, and the lower part of the main body of the crossbeam (1) is a planar design.

9. A prefabricated steel-concrete truss beam structure according to claim 1, characterized in that: The main body of the crossbeam (1) is designed as a cuboid structure, and a rectangular groove (7) for connecting bottom components is provided below the main body of the crossbeam (1).

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