CN209891061U - Reinforcing steel bar-steel plate framework combined bridge deck - Google Patents

Abstract

The utility model provides a reinforcing bar-steel plate framework combined bridge deck, the reinforcing bar-steel plate framework combined bridge deck comprises a plurality of framework units and concrete, the framework units comprise steel plates, reinforcing mesh and connecting pieces, the steel plates are connected with the reinforcing mesh through the connecting pieces, the reinforcing mesh is erected on the steel plates and the concrete is poured, two adjacent framework units are connected through the connecting units and the framework units are erected on the steel beams through the connecting units; the steel plate, the reinforcing mesh and the connecting piece are made into the framework unit in advance and are used as the structure to bear load, so that the framework unit has the characteristics of small thickness, high bending strength, strong spanning capability, easy hoisting, small deflection and the like, and the application range of the framework unit is wide; in addition, the utility model discloses a welding operation among reinforcing bar-steel plate skeleton combination decking all accomplishes in advance at the mill, and the job site adopts full mechanical operation to have characteristics such as the construction speed is fast and construction quality is good.

Description

Reinforcing steel bar-steel plate framework combined bridge deck

Technical Field

The utility model belongs to the technical field of building engineering, concretely relates to reinforcing bar-steel plate framework combination decking.

Background

At present, in building structures and bridge structures, the steel-concrete composite plate is widely applied to civil engineering by virtue of the characteristics of light self weight, high bearing capacity, capability of fully exerting the advantages of two materials and the like.

The existing common form of combined bridge deck is cast-in-place concrete on a profiled steel sheet or a ribbed steel sheet, and a combined deck structure is formed after the concrete is hardened. The profiled steel plates or ribbed steel plates are stressed together with concrete after forming a combined structure, and also play a role of a concrete template in the construction stage.

However, in order to meet the steel plate stress and deformation requirements in the concrete pouring stage, the height of the profiled steel plate is generally high, and the thickness of the whole combined plate is often large due to the thickness of the concrete plate, and meanwhile, the span cannot be made large due to the limitation of deflection in the construction stage. The bending rigidity of the ribbed steel plate is low, when the span is large, the deflection in the construction stage can not meet the requirement, a large number of stiffening ribs are required to meet the deformation requirement, so that the stiffening ribs on the ribbed steel plate have large steel consumption and have little effect after the concrete is hardened, and the material waste is caused.

The above-mentioned disadvantages make it difficult to apply the limited profiled steel sheet-concrete composite panel and the ribbed steel sheet-concrete composite panel to a large-span structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough among the prior art, and the purpose provides a reinforcing bar-steel sheet skeleton combination decking.

In order to achieve the above purpose, the utility model discloses a solution is:

the utility model provides a reinforcing bar-steel plate skeleton combination decking, it includes a plurality of skeleton units and concrete, and the skeleton unit includes steel sheet, reinforcing bar net and connecting piece, is connected through the connecting piece between steel sheet and the reinforcing bar net, and the reinforcing bar net is erect and is located the steel sheet and pour concrete.

In a specific embodiment, two adjacent framework units are connected through the connecting unit and are erected on the steel beam through the connecting unit.

In a specific embodiment, the connection unit comprises a bolt connection plate and a connection sleeve, the steel plates of two adjacent frame units are connected through the bolt connection plate, and the reinforcing meshes of two adjacent frame units are connected through the connection sleeve.

Preferably, the coupling sleeve is a radially extruded steel sleeve.

In a specific embodiment, a supporting structure and a limiting structure which are matched with the two sides of the upper flange of the steel beam are arranged at the section of the steel plate of the framework unit, and the supporting structure and the limiting structure are right-angled.

In the specific embodiment, the shear nails are welded to the upper flanges of the steel beams and embedded into the poured concrete to play a connecting role together.

In a specific embodiment, the steel sheet is selected from one or more of a flat steel sheet, an edge-bent steel sheet, or a profiled steel sheet.

Preferably, the steel plate is selected from more than one of a simply supported steel bottom plate, an overhanging steel bottom plate or a steel side plate.

In a specific embodiment, the connecting piece is selected from more than one of a flat steel plate, an angle steel or a channel steel.

Preferably, the connectors are selected from more than one of transverse connectors, longitudinal connectors or frame connectors.

Due to the adoption of the scheme, the beneficial effects of the utility model are that:

first, the utility model discloses a form skeleton unit with steel sheet, reinforcing bar net and connecting piece and bear the load as the structure to make skeleton unit have stronger bending resistance, both can work as the template in the concrete placement stage and use, again can be behind concreting the common atress of concrete.

Secondly, compared with the traditional ribbed steel plate-concrete composite plate, the framework unit of the utility model reduces stiffening ribs, thereby saving building materials and reducing welding workload; in addition, compared with the traditional profiled steel sheet-concrete combined plate, the framework unit of the utility model has thinner thickness under the condition of the same bearing capacity.

Thirdly, the framework unit of the utility model has smaller deflection in the stage of concrete pouring, and can be suitable for the steel-concrete composite board with larger span; in addition, compare in ribbed steel sheet compoboard or profiled sheet compoboard and only be applicable to one-way decking, the utility model discloses a skeleton unit has the advantage that two-way atress performance is good, consequently, it can also regard as two-way decking to use.

In a word, the framework unit of the utility model has the characteristics of small thickness, high bending strength, strong crossing capability, easy hoisting, small deflection and the like, thereby having wide application range, and being applied to stressed plates such as floor slabs, bridge decks and the like which are horizontally placed in building structures or bridge structures; in addition, the utility model discloses a welding operation among reinforcing bar-steel plate skeleton combination decking all accomplishes in advance at the mill, and the job site adopts full mechanical operation to have characteristics such as the construction speed is fast and construction quality is good.

Drawings

Fig. 1 is based on the utility model discloses a three-dimensional structure schematic diagram of reinforcing bar-steel plate skeleton combination decking's bridge.

Fig. 2 is the structural schematic diagram of the steel bar-steel plate framework combined bridge deck of the present invention.

Fig. 3 is a schematic structural diagram of the framework unit in the steel bar-steel plate framework combined bridge deck of the present invention.

Fig. 4 is the structural schematic diagram of the framework unit concreting in the steel bar-steel plate framework combined bridge deck slab of the utility model.

Fig. 5 is a schematic diagram of the state of the shear nail of the steel bar-steel plate framework combined bridge deck and the steel beam top flange of the present invention.

Fig. 6 is a schematic perspective view of the connection state of the segments in the bridge based on the steel bar-steel plate framework combined bridge deck slab of the utility model.

Fig. 7 is a schematic top plan view of a bridge based on the steel bar-steel plate framework combined bridge deck slab of the utility model.

Fig. 8 is a schematic cross-sectional view of a bridge based on the steel bar-steel plate framework combined bridge deck slab of the utility model.

Fig. 9 is an enlarged schematic structural view of the single steel beam in fig. 8 according to the present invention.

Fig. 10 is a schematic structural view of the middle section 1-a of the steel bar-steel plate framework combined bridge deck of the present invention.

Fig. 11 is a schematic view of the three-dimensional structure of the middle section 1-a of the steel bar-steel plate framework combined bridge deck of the present invention.

Fig. 12 is a schematic structural view of the side section 1-b of the steel bar-steel plate framework combined bridge deck of the present invention.

Fig. 13 is a schematic view of the three-dimensional structure of the side section 1-b of the steel bar-steel plate framework combined bridge deck of the present invention.

Fig. 14 is a schematic view of the connection state of the bolted connection plates in the connection structure B of the steel bar-steel plate framework combined bridge deck slab of the present invention.

Fig. 15 is a schematic view of the connection state of the connection sleeve in the connection structure a of the steel bar-steel plate framework combined bridge deck of the present invention.

Reference numerals:

the steel plate-type steel beam combined bridge deck comprises a framework unit 1, a middle section 1-a, a side section 1-B, a steel plate 1-1, a simply supported steel bottom plate 1-1-a, an overhanging steel bottom plate 1-1-B, steel side plates 1-1-c, a connecting piece 1-2, a transverse connecting piece 1-2-a, a longitudinal connecting piece 1-2-B, a frame type connecting piece 1-2-c, a reinforcing mesh 1-3, concrete 2, a steel beam 3, a steel beam contour line 3-1, a reinforcing steel bar-steel plate framework combined bridge deck plate 4, a transverse segmentation line 4-1, a longitudinal segmentation line 4-2, a shear nail 5, a supporting structure 6, a limiting structure 7, a bolt connecting plate 8, a connecting sleeve 9, a connecting structure A and a connecting structure B.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model provides a reinforcing bar-steel plate framework combination decking.

As shown in fig. 1 and 2, a complete bridge is composed of a steel bar-steel plate framework combined bridge deck 4 and a steel beam 3, and the steel bar-steel plate framework combined bridge deck 4 is erected on the steel beam 3.

< reinforcing steel bar-steel plate framework combined bridge deck >

As shown in fig. 3 and 4, the steel bar-steel plate framework combined bridge deck 4 of the present invention comprises a plurality of framework units 1 and concrete 2, wherein the framework units 1 comprise steel plates 1-1, connecting members 1-2 and reinforcing meshes 1-3, wherein the connecting members 1-2 are welded to the steel plates 1-1 and welded to the reinforcing meshes 1-3, and the reinforcing meshes 1-3 are erected on the steel plates 1-1 and poured with the concrete 2. In the embodiment, the steel plates 1-1, the connectors 1-2 and the reinforcing meshes 1-3 are prefabricated at the factory and welded to form a whole body, i.e. the frame unit 1, and in fact, the connectors 1-2 are welded to the steel plates 1-1 and the reinforcing meshes 1-3 respectively through double fillet welds, and in addition, the welding mode may be different by adopting different types of connectors 1-2.

[ Steel sheet ]

The steel plates 1-1 include, but are not limited to, one or more flat steel plates, edge-bent steel plates, or profiled steel plates.

In a specific embodiment, as shown in fig. 12, the steel plate 1-1 is selected from one or more of a simply supported steel bottom plate 1-1-a, an overhanging steel bottom plate 1-1-b, or a steel side plate 1-1-c.

[ reinforcing bar net ]

In the specific embodiment, the reinforcing mesh 1-3 is formed by vertically welding the longitudinal reinforcing bars and the transverse reinforcing bars, the welding angle is not limited to 90 °, and the longitudinal reinforcing bars and the transverse reinforcing bars can also be connected into a commonly stressed reinforcing mesh by binding, and the reinforcing mesh is usually a reinforcing mesh piece to be arranged in reinforced concrete.

[ connecting pieces ]

As shown in fig. 3 to 5, the connecting member 1-2 is composed of a transverse connecting member 1-2-a and a longitudinal connecting member 1-2-b, and the connecting member 1-2 includes, but is not limited to, a connecting member cut by a flat steel plate, an angle steel, a channel steel, an H-shaped steel, or the like.

In a specific embodiment, when the framework unit 1 has stress requirements in two directions in a construction stage, the transverse connecting piece 1-2-a and the longitudinal connecting piece 1-2-b can be arranged at the same time. Wherein, the transverse connecting members 1-2-a include, but are not limited to, transverse flat plate connecting members, the longitudinal connecting members 1-2-b include, but are not limited to, longitudinal flat plate connecting members, and the number of the transverse connecting members 1-2-a and the number of the longitudinal connecting members 1-2-b are determined according to specific situations, respectively, and are not particularly limited herein.

The connecting pieces 1-2 play a role in transferring shear force, and when the concrete 2 is poured in the framework unit 1, the connecting pieces 1-2 enable the steel plates 1-1 and the reinforcing mesh 1-3 to bear the force together so as to bear the wet weight of the concrete 2 together; after the concrete 2 is hardened and formed, the connecting piece 1-2 plays a role similar to the shear nail 5, so that the concrete 2 is effectively connected with the steel plate 1-1 to bear external load in a combined section mode.

The shear nails 5 are welded on the upper flange of the steel beam 3 and embedded into the poured concrete 2, and after the concrete 2 is hardened and formed, the shear nails 5 and the concrete 2 play a role in connection. The number of the shear pins 5 is determined on a case-by-case basis, and is not particularly limited herein.

In fact, two adjacent frame units 1 are connected through the connecting unit and the frame units 1 are erected on the steel beam 3 through the connecting unit.

As shown in fig. 14 and 15, the connection units include bolt connection plates 8 and connection sleeves 9, the steel plates 1-1 of two adjacent frame units 1 are connected by the bolt connection plates 8, the steel meshes 1-3 of two adjacent frame units 1 are connected by the connection sleeves 9, in a specific embodiment, the connection sleeves 9 are radial compression steel sleeves, of course, the connection sleeves 9 include but are not limited to radial compression steel sleeves, and the number of the bolt connection plates 8 and the number of the connection sleeves 9 are determined according to specific situations and are not particularly limited herein.

In addition, as shown in fig. 9 and 10, the section of the steel plate 1-1 of the skeleton unit 1 is provided with a supporting structure 6 and a limiting structure 7 which are matched with the two sides of the upper flange of the steel beam 3, and in a specific embodiment, the supporting structure 6 and the limiting structure 7 are right-angled.

In fact, the connection process of erecting the steel bar-steel plate framework combined bridge deck 4 on the steel beam 3 includes: the segments of the steel plates 1-1 in the frame unit 1 are erected on both sides of the upper flange of the steel beam 3 through the supporting structure 6 and the limiting structure 7, and the number of the steel beams 3 is determined according to specific situations, and is not particularly limited herein. Wherein, a certain number of connecting pieces 1-2 are arranged at the supporting structure 6, so that the connecting pieces 1-2 play a role of stiffening the supporting structure 6; the limiting structure 7 plays a role in preventing the steel plate 1-1 in the framework unit 1 from sliding on the steel beam 3 to a large extent. In the specific embodiment, the supporting structure 6 and the limiting structure 7 are not clamped on the steel beam 3, and a certain gap is left at the limiting structure 7, so that it is at least ensured that the steel plate 1-1 in the framework unit 1 can be installed on the steel beam 3, and thus, the steel plate 1-1 in the framework unit 1 can not be normally erected on the steel beam 3 without large sliding.

In addition, as shown in fig. 6 to 8, the reinforcing bar-steel plate frame combined bridge deck 4 may not be manufactured and erected on the steel beam 3 at one time, but divided into a plurality of sections. Specifically, the reinforcing steel bar-steel plate framework combined bridge deck 4 right above the steel beam 3 is cut into different sections, and the reinforcing steel bar-steel plate framework combined bridge deck 4 on the steel beams 3 on the left side and the right side of the bridge does not need to be cut.

Therefore, the framework unit 1 is divided into a plurality of prefabricated sections along the longitudinal direction and the transverse direction of the steel bar-steel plate framework combined bridge deck 4, and the local configurations and the shapes of the prefabricated sections are different due to different positions. In a specific embodiment, the framework unit 1 can be divided into 1 middle section 1-a and 2 side sections 1-b along the transverse direction of the steel bar-steel plate framework combined bridge deck 4, 6 side sections 1-b are respectively arranged along two longitudinal sides of the steel bar-steel plate framework combined bridge deck 4, and 6 middle sections 1-a are arranged in the middle of the longitudinal direction, and similarly, the number of the middle sections 1-a and the number of the side sections 1-b are respectively determined according to specific situations, and are not particularly limited herein. On the whole reinforcing steel bar-steel plate framework combined bridge deck 4, when viewed along the transverse direction of a bridge, after the adjacent middle sections 1-a and the middle sections 1-a are connected, and after the adjacent side sections 1-b and the side sections 1-b are connected, a line is formed, namely a longitudinal segmentation line 4-2, and 5 longitudinal segmentation lines 4-2 are obtained in the embodiment of the utility model; similarly, when viewed in the longitudinal direction of the bridge, at the steel beam contour line 3-1, after the adjacent side sections 1-b and middle sections 1-a are connected, a line, i.e., the transverse segment line 4-1 is also formed, and in the embodiment of the present invention, 2 transverse segment lines 4-1 are obtained, of course, the numbers of the steel beam contour line 3-1, the transverse segment line 4-1 and the longitudinal segment line 4-2 are determined according to specific situations, and are not particularly limited herein.

In the construction process of the steel bar-steel plate framework combined bridge deck 4, as shown in fig. 6, 7, 8, 14 and 15, since the steel bar-steel plate framework combined bridge deck 4 is divided into a plurality of sections, such as the middle section 1-a and the side sections 1-b, the sections need to be connected in a mechanical connection manner to form the complete steel bar-steel plate framework combined bridge deck 4, when the sections are connected in the transverse direction, that is, the connection structure a is in the transverse section line 4-1, the steel bar nets 1-3 only need to be connected through the connection sleeves 9; when the connection is made between the longitudinal directions of the segments, that is, the connection structure B is in the longitudinal segment line 4-2, the steel plates 1-1 need to be connected by the bolting plates 8 while the steel bar nets 1-3 are connected by the connecting sleeves 9, wherein the connecting sleeves 9 include, but are not limited to, radially-extruded steel sleeves, and the number of the bolting plates 8 and the connecting sleeves 9 is also determined according to the circumstances and is not particularly limited herein.

As shown in fig. 8 to 11, the middle section 1-a includes a simple steel bottom plate 1-1-a, a mesh reinforcement 1-3 and a plurality of connectors 1-2, the simple steel bottom plate 1-1-a and the mesh reinforcement 1-3 are welded together by the connectors 1-2, and the left and right ends of the simple steel bottom plate 1-1-a are supported on two steel beams 3 by a supporting structure 6 and a limiting structure 7, respectively; as shown in fig. 8, 12 and 13, the side segment 1-b includes a simply supported steel bottom plate 1-1-a, an overhanging steel bottom plate 1-1-b, a steel side plate 1-1-c, a steel mesh 1-3 and a plurality of connectors 1-2, wherein the transverse ends of the steel mesh 1-3 are bent and welded to the steel side plate 1-1-c, the steel side plate 1-1-c is welded to the overhanging steel bottom plate 1-1-b, the simply supported steel bottom plate 1-1-a is disconnected from the overhanging steel bottom plate 1-1-b, and at the same time, a frame connector 1-2-c is used to connect the simply supported steel bottom plate 1-1-a and the overhanging steel bottom plate 1-1-b, and finally the simply supported steel bottom plate 1-1-a and the overhanging steel bottom plate 1-1-b are welded to the steel mesh 1-3 by the connectors 1-2, respectively, the connectors 1-2 include but not limited to the frame connectors 1-2-c, and the frame type connecting piece 1-2-c is formed by welding the simple support steel bottom plate 1-1-a, the cantilever steel bottom plate 1-1-b, the steel side plate 1-1-c and the reinforcing mesh 1-3 in advance in a factory. According to specific conditions, a certain section can be provided with a cantilever on one side or both sides, for example, in a combined beam bridge with multiple main beams, the cantilever is generally provided on one side; if the combined beam bridge with the double main beams is adopted, the cantilevers can be arranged on two sides.

< construction method of reinforcing steel bar-steel plate framework combined bridge deck >

Referring to fig. 1 to 15, the construction method of the steel bar-steel plate framework combined bridge deck includes the following steps:

(1) prefabricated skeleton unit 1: cutting and bending the steel plate 1-1 into a required size and shape in a factory, simultaneously accurately positioning and placing the steel bars in a longitudinal direction and a transverse direction, welding and firmly forming a steel bar mesh 1-3, and welding the connecting piece 1-2 with the steel plate 1-1 and the steel bar mesh 1-3 respectively to form a prefabricated framework unit 1;

(2) and installing the prefabricated framework unit 1: transporting the prefabricated framework unit 1 to a construction site, and performing the following operation modes:

(2.1) measuring and positioning the installation position of the prefabricated framework unit 1 of the first section, and then hoisting the prefabricated framework unit 1 of the first section to the specified position of the steel beam 3, so that the supporting structure 6 is supported on the steel beam 3, and the limiting structure 7 fixes the prefabricated framework unit 1 at the specified position without large displacement;

(2.2) hoisting the prefabricated framework unit 1 adjacent to the previous section to a specified position according to the method in the operation (2.1);

(2.3) mechanically connecting the adjacent prefabricated framework units 1, namely connecting the reinforcing mesh 1-3 at the adjacent sections through connecting sleeves 9, and connecting the adjacent steel plates 1-1 through bolt connecting plates 8;

(2.4) repeating the operations until all the prefabricated framework units 1 are connected and erected on the steel beam 3;

(3) and pouring concrete: and pouring concrete 2 in the prefabricated framework unit 1, vibrating and maintaining, and forming the reinforcing steel bar-steel plate framework combined bridge deck after the concrete 2 is hardened and formed.

Specifically, in step (2.4), the middle section 1-a and the side sections 1-b are erected on both sides of the upper flange of the steel beam 3 through the supporting structure 6 and the limiting structure 7, respectively, at the upper flange of the steel beam 3, the middle section 1-a and the reinforcing mesh 1-3 of the side sections 1-b are connected through the connecting sleeve 9, concrete 2 is poured, and the shear nails 5 welded to the upper flange of the steel beam 3 are embedded in the concrete 2.

In the step (3), after the concrete 2 to be poured is hardened and formed, the shear nails 5 and the concrete 2 play a connecting role together.

Therefore, the utility model discloses processing the reinforcing bar net 1-3 of building site operation and the steel sheet 1-1 of mill's processing in advance at the mill and becoming an organic whole to form prefabricated skeleton unit 1 with reinforcing bar net 1-3 and steel sheet 1-1 welding through connecting piece 1-2, thereby prefabricated skeleton unit 1 has reached the purpose of common atress in advance, and has increased the bending resistance of construction stage. Compare the wet weight after traditional steel sheet-concrete compoboard's structure relies on the steel sheet to bear concrete placement alone, the utility model discloses a frame unit 1 bears the moment of flexure with detached reinforcing bar net 1-3 and steel sheet 1-1 jointly, and the arm of force is great to make its bending resistance strong, reduce the amount of deflection of steel sheet 1-1 during the concrete placement stage, simultaneously, can replace horizontal reinforcing bar and the longitudinal reinforcement among traditional steel sheet-concrete compoboard after reinforcing bar net 1-3 buries in concrete 2, its structure dead weight does not increase, but thickness moderate degree reduces.

To sum up, the utility model discloses a reinforcing bar-steel plate skeleton combination decking has following characteristics:

(1) the reinforcing mesh 1-3 of the utility model is welded and fixed after being accurately positioned in a factory and is connected with the steel plate 1-1 through the connecting piece 1-2 to form the framework unit 1, so that the rigidity is higher, the steel plate is not easy to deform, and the manufacturing precision is ensured, thereby the connection of the steel plate 1-1 and the reinforcing mesh 1-3 at a construction site can be smoothly carried out; the framework units 1 are sequentially installed from one end to the other end in the longitudinal bridge direction, and from the middle to two sides in the transverse bridge direction, namely, the middle sections 1-a are installed firstly, then the middle sections are installed sequentially at two sides, and finally the side sections 1-b are installed; all welding operations in the construction of the reinforcing steel bar-steel plate framework combined bridge deck 4 are completed in a factory, and the construction site adopts full mechanical operation without on-site welding operation, so that the construction speed is high, the construction quality is good, and the concept of rapid assembly construction is met.

(2) The utility model discloses a frame unit 1 compares traditional steel-concrete composite board structure and relies on the steel sheet to bear the wet weight after concrete placement alone, and it bears the moment of flexure with reinforcing bar net 1-3 and steel sheet 1-1 jointly, and the arm of force is great, and bending resistance is stronger to reduce the steel sheet 1-1's of concrete placement stage amount of deflection, be applicable to the combination decking of more striding footpath, especially great cantilever. Furthermore, the utility model discloses a stress performance of skeleton unit 1 in two directions of moving about freely and quickly is all better, both can be applicable to one-way decking and also can be applicable to two-way decking.

(3) The steel plate 1-1 (including the steel side plate) in the framework unit 1 of the utility model provides a template for concrete pouring, thereby facilitating construction; after being embedded into the concrete 2, the reinforcing mesh 1-3 in the framework unit 1 replaces transverse and longitudinal reinforcing steel bars in the concrete of the traditional steel-concrete composite slab, so that the self weight of the structure is not increased, and the thickness of the bridge deck slab can be properly reduced compared with that of the traditional profiled steel sheet-concrete composite slab; in addition, the connecting pieces 1-2 in the framework unit 1 can play a role of connecting similar to the shear nails 5 after the concrete 2 is poured and formed, so that the concrete 2 and the steel plates 1-1 are effectively connected to work together.

(4) Compared with the traditional welding or bolt connection, the utility model discloses a framework unit 1 adopts supporting structure 6 and limit structure 7 to support with being connected of girder steel 3, not only construction convenience, connects reliably, can solve among the welding problem of girder steel 3 easy fatigue cracking and the bolted connection in addition cross-section trompil and the problem that weakens.

(5) In the construction method of the steel bar-steel plate framework combined bridge deck 4 of the utility model, all welding operations are completed in advance in a factory, thereby not only ensuring the welding quality and improving the fatigue performance, but also improving the manufacturing precision of the steel bar mesh 1-3 and the steel plate 1-1; in addition, the construction is all mechanical connection operation during field construction, the construction is rapid, and the quality is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments and the generic principles defined herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments. Those skilled in the art should appreciate that, in view of the principles of the present invention, modifications and variations may be made without departing from the scope of the invention.

Claims (8)

1. The utility model provides a reinforcing bar-steel plate skeleton combination decking which characterized in that: the steel plate and the steel bar mesh are connected through the connectors, and the steel bar mesh is erected on the steel plate and is poured with concrete; the two adjacent framework units are connected through a connecting unit, and the framework units are erected on the steel beam through the connecting unit; the steel plate section of the framework unit is provided with a supporting structure and a limiting structure, wherein the supporting structure and the limiting structure are matched with the two sides of the upper flange of the steel beam, and the supporting structure and the limiting structure are right-angled.

2. The steel bar-steel plate framework combined bridge deck slab as recited in claim 1, wherein: the connection unit comprises a bolt connection plate and a connection sleeve, the two adjacent framework units are connected through the bolt connection plate, and the two adjacent framework units are connected through the connection sleeve.

3. The steel bar-steel plate framework combined bridge deck slab as recited in claim 2, wherein: the connecting sleeve is a radial extrusion steel sleeve.

4. The steel bar-steel plate framework combined bridge deck slab as recited in claim 1, wherein: the shear nails are welded on the upper flange of the steel beam and embedded into the poured concrete.

5. The steel bar-steel plate skeleton combined bridge deck as claimed in any one of claims 1 to 4, wherein: the steel plate is selected from more than one of a flat steel plate, an edge bending type steel plate or a profiled steel plate.

6. The steel bar-steel plate skeleton combined bridge deck slab as claimed in claim 5, wherein: the steel plate is selected from more than one of a simply supported steel bottom plate, an overhanging steel bottom plate or a steel side plate.

7. The steel bar-steel plate skeleton combined bridge deck as claimed in any one of claims 1 to 4, wherein: the connecting piece is selected from more than one of a flat steel plate, angle steel or channel steel.

8. The steel bar-steel plate skeleton combined bridge deck slab as claimed in claim 7, wherein: the connecting piece is selected from more than one of a transverse connecting piece, a longitudinal connecting piece or a frame type connecting piece.

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