CN218263433U - Steel-concrete combined beam end diaphragm - Google Patents
Steel-concrete combined beam end diaphragm Download PDFInfo
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- CN218263433U CN218263433U CN202221816072.XU CN202221816072U CN218263433U CN 218263433 U CN218263433 U CN 218263433U CN 202221816072 U CN202221816072 U CN 202221816072U CN 218263433 U CN218263433 U CN 218263433U
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Abstract
The application provides a steel-concrete combined beam end diaphragm beam which comprises a plurality of steel plate beams arranged on a pier at intervals, wherein a plurality of diaphragm beams are arranged between every two steel plate beams at intervals; the diaphragm beam includes: the transverse partition plate, the first transverse steel bar and the first stirrup; the transverse partition plate is formed by pouring concrete, the transverse partition plate is arranged between every two steel plate beams, the first transverse steel bars are arranged in the transverse partition plate, two ends of the first transverse steel bars are connected with the steel plate beams, and the first stirrups are arranged on the first transverse steel bars and located in the transverse partition plate; the utility model discloses can eliminate the hidden danger that bridge operation period diaphragm girder and steel sheet roof beam link took place the corrosion, the structural durability is good, construction convenience, and the lateral bracing is more stable, improves the wholeness ability and the life of bridge, ensures driving safety.
Description
Technical Field
The application belongs to the technical field of bridge engineering, and particularly relates to a steel-concrete composite beam-end diaphragm beam.
Background
The quality of the steel-concrete composite beam-end diaphragm beam directly influences the integrity of a beam bridge structure, and the conventional steel-concrete composite beam-end diaphragm beam adopts a steel plate or profile steel and is connected or welded between the steel plate beams through bolts. However, the water leakage phenomenon often occurs at the expansion joint of the bridge, the water leakage can flow through the transverse beam, and the transverse beam is made of steel plates or section steel, so that the transverse beam is easily rusted, the stability of transverse support of the transverse beam is affected, and the overall performance of the bridge, the service life of the bridge and the driving safety are further affected.
SUMMERY OF THE UTILITY MODEL
Consequently, the technical problem that this application will be solved lies in providing a steel and concrete combination beam-ends diaphragm roof beam, can eliminate the hidden danger that corrosion took place for diaphragm roof beam and steel plate girder link during the bridge operation, and structural durability is good, improves the wholeness ability and the life of bridge.
In order to solve the problems, the application provides a transverse partition beam at the end of a steel-concrete combined beam, which comprises a plurality of steel plate beams arranged on a pier at intervals, wherein a plurality of transverse partition beams are arranged between every two steel plate beams at intervals;
the diaphragm beam includes: the transverse partition plate, the first transverse steel bar and the first stirrup;
the diaphragm plate is formed for concrete placement, the diaphragm plate sets up in two liang between the steel sheet roof beam, and is a plurality of first transverse reinforcement set up in the diaphragm plate, and its both ends with the steel sheet roof beam is connected, and is a plurality of first stirrup set up in on the first transverse reinforcement, and be located in the diaphragm plate.
Optionally, the width between every two steel plate beams is more than or equal to 250cm and less than or equal to 350cm.
Optionally, the width between every two steel plate beams is 325cm.
Optionally, the method further includes: and the bridge deck layer is arranged on the diaphragm beams and the steel plate beams.
Optionally, the bridge deck layer includes: the bridge deck, the second transverse steel bars, the longitudinal steel bars and the second stirrups;
the decking forms for concrete placement, the decking set up in the diaphragm roof beam reaches on the steel sheet roof beam, the horizontal reinforcing bar of second set up in the decking, vertical reinforcing bar set up in the decking and with the horizontal reinforcing bar of second is connected, the second stirrup set up in on the horizontal reinforcing bar of second, and be located in the decking.
Optionally, a shear nail is arranged between the steel plate beam and the bridge deck.
Optionally, the diameters of the first transverse steel bar and the second transverse steel bar are 16-28 mm.
Optionally, the method further includes: the concrete pavement layer, the concrete pavement layer set up in bridge floor top.
Optionally, the method further includes: the asphalt pavement layer is arranged above the concrete pavement layer.
Advantageous effects
The embodiment of the utility model provides a steel-concrete composite beam end diaphragm roof beam that provides can eliminate the hidden danger that corrosion took place for diaphragm roof beam and steel plate girder link during the bridge operation, and the structural durability is good, and construction convenience, the lateral bracing is more stable, improves the wholeness ability and the life of bridge, ensures driving safety.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the structure of the distribution of reinforcing bars according to the present invention;
fig. 3 is the utility model discloses a look sideways at reinforcing bar distribution structure chart.
The reference numerals are represented as:
1. steel plate beams; 2. a diaphragm beam; 21. a diaphragm plate; 22. a first transverse reinforcement bar; 23. a first stirrup; 3. a bridge deck layer; 31. a bridge deck; 32. a second transverse reinforcement bar; 33. longitudinal reinforcing steel bars; 34. a second stirrup; 4. shear nails; 5. a concrete pavement layer; 6. and (5) an asphalt pavement layer.
Detailed Description
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1 to 3 in combination, according to an embodiment of the present application, a steel-concrete composite beam-end diaphragm comprises a plurality of steel plate beams 1 arranged on a pier at intervals, and a plurality of diaphragm beams 2 arranged between every two steel plate beams 1 at intervals;
the diaphragm 2 includes: a diaphragm plate 21, a first transverse steel bar 22 and a first stirrup 23;
the diaphragm plate 21 is formed by pouring concrete, the diaphragm plate 21 is arranged between every two steel plate beams 1, a plurality of first transverse steel bars 22 are arranged in the diaphragm plate 21, two ends of the first transverse steel bars are connected with the steel plate beams 1, and a plurality of first stirrups 23 are arranged on the first transverse steel bars 22 and are located in the diaphragm plate 21. Can eliminate the hidden danger that the corrosion took place for the bridge operation period stull roof beam 2 and the 1 link of steel sheet roof beam, the structural durability is good, construction convenience, and the lateral bracing is more stable, improves the wholeness ability and the life of bridge, ensures driving safety.
Wherein, 1 interval of steel sheet roof beam is installed on the pier to parallel distribution is provided with a plurality of diaphragm roof beams 2 at the interval between two liang of steel sheet roof beams 1, and diaphragm roof beam 2 includes: the diaphragm plate 21, first transverse reinforcement 22 and first stirrup 23, diaphragm plate 21 is for installing 2 templates of diaphragm roof beam between the steel plate roof beam 1, then concreting forms in the template, weld first transverse reinforcement 22 between the steel plate roof beam 1 in 2 templates of diaphragm roof beam between concreting, and install first stirrup 23 on first transverse reinforcement 22, first transverse reinforcement 22 both ends and steel plate roof beam 1 weld, welding length is not less than five times of first transverse reinforcement 22 diameter, satisfy the anchor requirement, because diaphragm roof beam 2 forms for concrete placement, make when rivers pass through diaphragm roof beam 2, it can not appear among the prior art that diaphragm roof beam 2 is steel sheet or the metal material such as shaped steel and go out the phenomenon of school corrosion, and then this application can eliminate the hidden danger of corrosion of diaphragm roof beam 2, and its inside can satisfy 2 overall stability of diaphragm roof beam through the setting up of first transverse reinforcement 22 and first stirrup 23, structural durability is better, and convenient, the lateral bracing between 1, can improve the performance and the whole service life of bridge, the further construction safety.
The width between every two steel plate beams 1 is more than or equal to 250cm and less than or equal to 350cm.
The width between every two steel plate beams 1 is 325cm.
Further comprising: and the bridge deck layer 3 is arranged on the diaphragm beams 2 and the steel plate beams 1.
The bridge deck layer 3 includes: the bridge deck 31, the second transverse steel bars 32, the longitudinal steel bars 33 and the second stirrups 34;
the bridge deck 31 is formed by pouring concrete, the bridge deck 31 is arranged on the diaphragm beams 2 and the steel plate beams 1, the second transverse steel bars 32 are arranged in the bridge deck 31, the longitudinal steel bars 33 are arranged in the bridge deck 31 and connected with the second transverse steel bars 32, and the second stirrups 34 are arranged on the second transverse steel bars 32 and located in the bridge deck 31.
Wherein, the bridge floor layer 3 is located the 1 top of diaphragm beam 2 and steel sheet roof beam, bridge floor layer 3 includes decking 31, the horizontal reinforcing bar 32 of second, longitudinal reinforcement 33 and second stirrup 34, decking 31 forms for installing 31 templates of decking rear concrete placement, the horizontal reinforcing bar 32 of second, longitudinal reinforcement 33 and second stirrup 34 all are located decking 31, longitudinal reinforcement 33 is connected with the horizontal reinforcing bar 32 of second, second stirrup 34 is installed on the horizontal reinforcing bar 32 of second, effectively improve the steadiness of bridge floor layer 3.
A shear nail 4 is arranged between the steel plate beam 1 and the bridge deck 31.
The steel plate beam 1 and the bridge deck 31 are connected through the shear nails 4, so that the steel plate beam 1 and the bridge deck 31 are stronger in connectivity.
The first transverse reinforcing bar 22 and the second transverse reinforcing bar 32 have a diameter of 16 to 28mm.
The diameters of the first transverse steel bars 22 and the second transverse steel bars 32 are 16-28 mm, and the stability of the integral structure of the diaphragm beam 2 and the bridge deck 3 is improved through the limitation of the diameters of the first transverse steel bars 22 and the second transverse steel bars 32.
Concrete pavement layer 5, concrete pavement layer 5 sets up in bridge face layer 3 top.
After the bridge deck 3 is constructed, the concrete pavement layer 5 template is arranged above the bridge deck, reinforcing steel bars are arranged in the concrete pavement layer 5 template, and concrete is poured into the concrete pavement layer 5 to finish the construction of the concrete pavement layer 5.
The asphalt pavement layer 6 is arranged above the concrete pavement layer 5.
The utility model discloses a construction method of reinforced concrete combination beam-ends diaphragm beam, including following step:
1. erecting a steel plate beam 1, hoisting the prefabricated steel plate beam 1, and erecting the steel plate beam on a pier; every two steel plate girders are arranged at intervals of 1, and the two steel plate girders 1 are parallel to each other.
2. Installing templates, namely installing a diaphragm beam 2 template between every two steel plate beams 1;
3. welding and binding a first transverse steel bar 22 and a first stirrup 23, arranging the first transverse steel bar 22 in the diaphragm beam 2 template, respectively welding two ends of the first transverse steel bar 22 with the contact surface of the steel plate beam 1, wherein the welding length is not less than five times of the diameter of the first transverse steel bar 22, so that the anchoring requirement is met, and mounting the first stirrup 23 on the first transverse steel bar 22; as shown in fig. 3, the first transverse reinforcing bars 22 are symmetrically distributed on the steel plate girder 1.
4. Installing the bridge deck 3 formwork, and arranging a second transverse steel bar 32, a longitudinal steel bar 33 and a second stirrup 34 in the bridge deck; as can be seen from fig. 3, the second transverse bars 32 are symmetrically arranged, the longitudinal bars 33 are connected with the second transverse bars 32, and the second stirrups 34 are connected with the second transverse bars 32.
5. Pouring concrete, pouring concrete in the templates of the diaphragm beams 2 and the templates of the bridge deck 3, dismantling the templates of the diaphragm beams 2 and the templates of the bridge deck 3 after the strength of the concrete reaches 80%, and completing construction of the diaphragm beams 2 and the bridge deck 3 after the strength of the concrete reaches 100%; concrete placement forms the stull 2 and can not take place the corrosion when meeting water like this, and the durability is good, can form stable horizontal support between the steel sheet roof beam 1 to its inside is provided with first transverse reinforcement 22 and first stirrup 23, further improves the stability of stull 2. After the construction is finished, the bridge structure forms a good whole and has stronger stability.
6. Arranging a concrete pavement layer 5 template on the bridge deck 3, arranging concrete pavement layer 5 reinforcing steel bars in the concrete pavement layer 5, then pouring concrete into the concrete pavement layer 5, dismantling the template after the concrete strength reaches 80%, completing the construction of the concrete pavement layer 5, and completing the construction of an asphalt pavement layer 6 on the concrete pavement layer 5.
The present application is intended to cover various modifications, equivalent arrangements, and adaptations of the present application without departing from the spirit and scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (9)
1. The steel-concrete composite beam end diaphragm beam is characterized by comprising a plurality of steel plate beams (1) arranged on a pier at intervals, wherein a plurality of diaphragm beams (2) are arranged between every two steel plate beams (1) at intervals;
the diaphragm beam (2) comprises: the transverse partition plate (21), the first transverse steel bar (22) and the first stirrup (23);
the transverse partition plate (21) is formed by pouring concrete, the transverse partition plate (21) is arranged between every two steel plate beams (1), a plurality of first transverse steel bars (22) are arranged in the transverse partition plate (21), two ends of the transverse partition plate are connected with the steel plate beams (1), and a plurality of first stirrups (23) are arranged on the first transverse steel bars (22) and are located in the transverse partition plate (21).
2. The steel-concrete composite beam-end diaphragm beam as claimed in claim 1, wherein the width between every two steel plate beams (1) is 250 cm-350 cm.
3. The steel-concrete composite beam-end diaphragm beam as claimed in claim 1, wherein the width between two steel plate beams (1) is 325cm.
4. The steel-concrete composite beam-end diaphragm beam according to claim 1, further comprising: the bridge deck layer (3), the bridge deck layer (3) set up in on the diaphragm roof beam (2) and the steel sheet roof beam (1).
5. The steel-concrete composite beam-end diaphragm according to claim 4, wherein the bridge deck (3) comprises: the bridge deck (31), the second transverse steel bars (32), the longitudinal steel bars (33) and the second stirrups (34);
the bridge deck (31) is formed by pouring concrete, the bridge deck (31) is arranged on the diaphragm beam (2) and the steel plate beam (1), the second transverse steel bars (32) are arranged in the bridge deck (31), the longitudinal steel bars (33) are arranged in the bridge deck (31) and connected with the second transverse steel bars (32), and the second stirrups (34) are arranged on the second transverse steel bars (32) and located in the bridge deck (31).
6. The steel-concrete composite beam-end diaphragm beam according to claim 5, characterized in that a shear pin (4) is arranged between the steel plate beam (1) and the bridge deck (31).
7. The steel-concrete composite beam-end diaphragm according to claim 5, wherein the first transverse reinforcing steel bar (22) and the second transverse reinforcing steel bar (32) have a diameter of 16-28 mm.
8. The steel-concrete composite beam-end diaphragm beam according to claim 4, further comprising: the concrete pavement layer (5), the concrete pavement layer (5) set up in bridge deck layer (3) top.
9. The steel-concrete composite beam-end diaphragm beam of claim 8, further comprising: the asphalt pavement layer (6), the asphalt pavement layer (6) set up in concrete pavement layer (5) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221816072.XU CN218263433U (en) | 2022-07-14 | 2022-07-14 | Steel-concrete combined beam end diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221816072.XU CN218263433U (en) | 2022-07-14 | 2022-07-14 | Steel-concrete combined beam end diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218263433U true CN218263433U (en) | 2023-01-10 |
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ID=84759631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221816072.XU Active CN218263433U (en) | 2022-07-14 | 2022-07-14 | Steel-concrete combined beam end diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218263433U (en) |
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2022
- 2022-07-14 CN CN202221816072.XU patent/CN218263433U/en active Active
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