CN217324955U - Double-line juxtaposed combined box girder - Google Patents
Double-line juxtaposed combined box girder Download PDFInfo
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- CN217324955U CN217324955U CN202220371083.5U CN202220371083U CN217324955U CN 217324955 U CN217324955 U CN 217324955U CN 202220371083 U CN202220371083 U CN 202220371083U CN 217324955 U CN217324955 U CN 217324955U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model relates to a track traffic technical field particularly, relates to a double-line juxtaposition combination case roof beam, include: the base is provided with two bases which are arranged in parallel; the beam surface top plates are arranged right above the base and fixedly connected with the base, two beam surface top plates are arranged, and the two beam surface top plates are fixedly connected through concrete; two of base top the roof beam face roof all sets up to the inboard slope, just inclination all sets up to between 1 to 2. Concentrate prefabricated little case roof beam of juxtaposition, convenient and fast more is erect in the transportation to practice thrift the cost, the roof beam face roof that will juxtaposition little case roof beam all sets up to inboard slope, when convenient for construction, still is favorable to assembling the drainage, has reduced the layer thickness of mating formation, effectively reduces the cost, has still filled the blank in the high speed per hour design of two-wire juxtaposition little case roof beam and applied this field.
Description
Technical Field
The utility model relates to a track traffic technical field particularly, relates to a double-line juxtaposition combination case roof beam.
Background
The combined box girder in the urban rail transit elevated area mainly takes a box girder and a U-shaped girder as structural forms. The box girder is divided into a whole-hole box girder and a juxtaposed small box girder, and the juxtaposed small box girder is more in application due to convenience and flexibility in transportation, erection and arrangement. At present, the combined box girder of the rail transit is suitable for a line with the designed speed per hour not more than 100km, and the hole span is generally 30 m. For the rail transit with higher design speed, the whole-hole box girder is applied more because of the matching problem of bridge span and box girder structure and stress performance, the design and application of the double-line juxtaposed small box girder are blank,
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-line combination case roof beam that juxtaposes to improve above-mentioned problem. In order to achieve the above purpose, the utility model adopts the following technical scheme:
the application provides a combination case roof beam is juxtaposed to double-line includes: the beam surface roof plate is arranged on the base, and the two bases are arranged in parallel; the beam surface top plates are arranged right above the base and fixedly connected with the base, two beam surface top plates are arranged, and the two beam surface top plates are fixedly connected through concrete; two of base top the roof beam face roof all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
Optionally, the base is provided with a web, the web is arranged to be inclined outwards, and the web transition chamfers are all arranged to be circular arc.
Optionally, the outer ends of the two beam face top plates are provided with a 0.4m plane structure, and a baffle is arranged above the plane structure.
Optionally, the inner side ends of the two beam face top plates are provided with a 0.6m concrete structure, a drainage system is arranged in the concrete structure, and the upper surface of the concrete structure is set to be a horizontal surface.
Optionally, the tip of beam face roof is provided with four lewis holes, four lewis hole parallel arrangement, four all be provided with the steel backing plate under the lewis hole, the steel backing plate with beam face roof bottom surface seamless connection, just lewis hole department beam face roof local thickening.
Optionally, the shortest distance between the beam top plate and the bottom of the base is set to be 2m, the width of the bottom of the base is set to be 1.9m, the standard span length of the single-truss beam of the combined box beam is set to be 32.6m, and the calculated span is set to be 31.7 m.
The utility model has the advantages that:
the utility model discloses a mill concentrates prefabricated little case roof beam of juxtaposition, can use ground transportation, the mobile crane erects, and the scene is through bridge floor and beam-ends baffle cast in situ concrete connection, convenient and fast more to practice thrift the cost, moreover the utility model discloses the roof beam face roof that will juxtaposition little case roof beam all sets up to the inboard slope, in the time of convenient construction, still is favorable to assembling the drainage, has reduced the layer thickness of mating formation, reduces the layer weight of mating formation, effectively reduces the second phase dead load value, the cost is also reduced simultaneously, the utility model discloses the blank in high-speed design and this field of application of the little case roof beam is juxtaposited to the double-line has still been filled.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional view of a double-line juxtaposed combination box girder according to an embodiment of the present invention;
fig. 2 is a schematic bottom view of a double-line juxtaposed combination box girder according to an embodiment of the present invention.
The labels in the figure are: 1. a base; 2. a beam face top plate; 3. a web; 4. hoisting holes; 5. a steel backing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1, the present embodiment provides a double-line juxtaposed composite box girder, comprising: the beam surface roof plate 2, the base 1 has two, two said bases 1 are arranged parallelly; the beam surface top plates 2 are arranged right above the base 1, the beam surface top plates 2 are fixedly connected with the base 1, two beam surface top plates 2 are arranged, and the two beam surface top plates 2 are fixedly connected through concrete; two of 1 top of base two roof beam face roof 2 all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
The embodiment of the utility model provides a concentrate prefabricated small box roof beam of juxtaposing through the mill, can use ground transportation, truck crane to erect, and the scene is connected through bridge floor and beam-ends baffle cast in situ concrete, convenient and fast more to practice thrift the cost, moreover the utility model discloses the roof beam face roof 2 that will juxtaposition small box roof beam all sets up to the inboard slope, in the time of convenient construction, still is favorable to assembling the drainage, has reduced the layer thickness of mating formation, reduces the layer weight of mating formation, effectively reduces the second phase constant load value, has also reduced the cost simultaneously, the utility model discloses the blank in high speed-per-hour design and applied this field has still been filled to the double-line small box roof beam of juxtaposing.
Example 2
As shown in fig. 1, the present embodiment provides a double-line juxtaposed composite box girder, comprising: the beam surface roof plate 2, the said base 1 has two, the said two bases 1 are parallel to arrange; the beam surface top plates 2 are arranged right above the base 1, the beam surface top plates 2 are fixedly connected with the base 1, two beam surface top plates 2 are arranged, and the two beam surface top plates 2 are fixedly connected through concrete; two of base 1 top two roof beam face roof 2 all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
The base 1 is provided with web 3, web 3 sets up to lean out, and 3 transition chamfers of web all set up to the circular arc type.
The embodiment of the utility model provides a through setting up web 3 to the supporting role that plays that can be better that leans out, all set up the chamfer into the circular arc type moreover, it is more pleasing to the eye, the dead weight has also reduced, has still practiced thrift the cost.
Example 3
As shown in fig. 1, the present embodiment provides a double-line juxtaposed composite box girder, comprising: the beam surface roof plate 2, the base 1 has two, two said bases 1 are arranged parallelly; the beam surface top plates 2 are arranged right above the base 1, the beam surface top plates 2 are fixedly connected with the base 1, two beam surface top plates 2 are arranged, and the two beam surface top plates 2 are fixedly connected through concrete; two of base 1 top two roof beam face roof 2 all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
Two the outside end of roof beam face roof 2 all is provided with 0.4 m's planar structure, the planar structure top is provided with the baffle.
The embodiment of the utility model provides an outside end at roof beam face roof 2 is provided with 0.4m planar structure for additional structures such as installation and fixed stop.
Example 4
As shown in fig. 1, the present embodiment provides a double-line juxtaposed sectional box girder, comprising: the beam surface roof plate 2, the base 1 has two, two said bases 1 are arranged parallelly; the beam surface top plates 2 are arranged right above the base 1, the beam surface top plates 2 are fixedly connected with the base 1, two beam surface top plates 2 are arranged, and the two beam surface top plates 2 are fixedly connected through concrete; two of base 1 top two roof beam face roof 2 all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
And the inner side end parts of the two beam surface top plates 2 are provided with 0.6m concrete structures, a drainage system is arranged in each concrete structure, and the upper surfaces of the concrete structures are horizontal planes.
The embodiment of the utility model provides an inboard tip cast in situ concrete at roof beam face roof 2 will two case roof beam fixed connection set up the drain pipe in the concrete, concentrate the drainage, assemble rainwater etc. and arrange in the drain pipe.
Example 5
As shown in fig. 1 and 2, the present embodiment provides a two-line juxtaposed composite box girder, comprising: the beam surface roof plate 2, the base 1 has two, two said bases 1 are arranged parallelly; the beam surface top plates 2 are arranged right above the base 1, the beam surface top plates 2 are fixedly connected with the base 1, two beam surface top plates 2 are arranged, and the two beam surface top plates 2 are fixedly connected through concrete; two of base 1 top two roof beam face roof 2 all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
The tip of beam face roof 2 is provided with four lewis holes 4, four lewis hole 4 parallel arrangement, four all be provided with steel backing plate 5 under lewis hole 4, steel backing plate 5 with 2 bottom surfaces seamless connection of beam face roof, just 2 local thickening of lewis hole 4 department beam face roof.
The embodiment of the utility model provides a be convenient for hoist and mount operation through setting up the lewis hole, safe and reliable is perpendicular with jib and 2 bottom surfaces of beam surface roof moreover, guarantees that steel backing plate 5 and 2 bottom surfaces of beam surface roof paste closely together, the setting of lewis hole 4 can improve hoist and mount balance and stress concentration problem
Example 6
As shown in fig. 1 and 2, the present embodiment provides a two-line juxtaposed composite box girder, comprising: the beam surface roof plate 2, the base 1 has two, two said bases 1 are arranged parallelly; the beam surface top plates 2 are arranged right above the base 1, the beam surface top plates 2 are fixedly connected with the base 1, two beam surface top plates 2 are arranged, and the two beam surface top plates 2 are fixedly connected through concrete; two of base 1 top two roof beam face roof 2 all sets up to the inboard slope, just inclination all sets up to between 1 to 2.
The tip of beam face roof 2 is provided with four lewis holes 4, four lewis hole 4 parallel arrangement, four all be provided with steel tie plate 5 under lewis hole 4, steel tie plate 5 with 2 bottom surfaces of beam face roof seamless connection, just 2 local thickenings of lewis hole 4 department beam face roof.
The shortest distance between the beam surface top plate 2 and the bottom of the base 1 is set to be 2m, the width of the bottom of the base is set to be 1.9m, the standard span length of the single-truss beam of the combined box beam is set to be 32.6m, and the calculated span is set to be 31.7 m.
The embodiment of the utility model provides a through the height that sets up roof beam face roof 2 and base 1, reach under the condition that can support the high speed per hour of vehicle and go, save material satisfies the structure safety simultaneously, is convenient for transport and installation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A twin-wire juxtaposed composite box girder, comprising:
the device comprises a base (1), wherein the base (1) is provided with two bases, and the two bases (1) are arranged in parallel; and
the beam surface top plates (2) are arranged right above the base (1), the beam surface top plates (2) are fixedly connected with the base (1), two beam surface top plates (2) are arranged, and the two beam surface top plates (2) are fixedly connected through concrete;
two roof beam face roof (2) above base (1) all set up to the inboard slope, just inclination all sets up to between 1 to 2.
2. The double-wire juxtaposed composite box girder as recited in claim 1, wherein: base (1) is provided with web (3), web (3) set up to lean out, and web (3) transition chamfer all sets up to the circular arc type.
3. The double-wire juxtaposed composite box girder as recited in claim 1, wherein: the outer side ends of the two beam surface top plates (2) are provided with 0.4m plane structures, and baffles are arranged above the plane structures.
4. The double-wire juxtaposed composite box girder as recited in claim 1, wherein: the inner side end parts of the two beam surface top plates (2) are provided with 0.6m concrete structures, a drainage system is arranged in each concrete structure, and the upper surfaces of the concrete structures are horizontal planes.
5. The double-wire juxtaposed composite box girder as recited in claim 1, wherein: the end part of the beam surface top plate (2) is provided with four lifting holes (4), four lifting holes (4) are arranged in parallel, four steel base plates (5) are arranged under the lifting holes (4), the steel base plates (5) are connected with the bottom surface of the beam surface top plate (2) in a seamless mode, and the beam surface top plate (2) is locally thickened at the lifting holes (4).
6. The double-wire juxtaposed composite box girder according to claim 5, wherein: the shortest distance between the beam surface top plate (2) and the bottom of the base (1) is set to be 2m, the width of the bottom of the base is set to be 1.9m, the standard span length of the single-beam combined box beam is set to be 32.6m, and the calculation span is set to be 31.7 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371083.5U CN217324955U (en) | 2022-02-23 | 2022-02-23 | Double-line juxtaposed combined box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371083.5U CN217324955U (en) | 2022-02-23 | 2022-02-23 | Double-line juxtaposed combined box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217324955U true CN217324955U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220371083.5U Active CN217324955U (en) | 2022-02-23 | 2022-02-23 | Double-line juxtaposed combined box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217324955U (en) |
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- 2022-02-23 CN CN202220371083.5U patent/CN217324955U/en active Active
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