CN216689031U - Cable-stayed bridge deck structure of highway and track dual-purpose bridge - Google Patents
Cable-stayed bridge deck structure of highway and track dual-purpose bridge Download PDFInfo
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- CN216689031U CN216689031U CN202122722513.1U CN202122722513U CN216689031U CN 216689031 U CN216689031 U CN 216689031U CN 202122722513 U CN202122722513 U CN 202122722513U CN 216689031 U CN216689031 U CN 216689031U
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Abstract
The utility model provides a cable-stayed bridge deck structure of a highway and track dual-purpose bridge, which comprises a plurality of mutually connected bridge deck unit groups, wherein each bridge deck unit group comprises: the rectangular frame is provided with an upper transverse surface, a middle transverse surface, a lower transverse surface, a left side surface and a right side surface; the reinforcing vertical beam surfaces are positioned between the upper transverse surface and the middle transverse surface and between the middle transverse surface and the lower transverse surface and are arranged along the length direction of the upper transverse surface; the left side of the side is provided with an upper connecting block and a lower connecting block, the right side is provided with a middle connecting block and a bearing connecting block, connecting through holes are formed in the upper connecting block, the middle connecting block and the lower connecting block, blind holes are formed in the bearing connecting block, the connected bridge deck unit group is connected with the bearing connecting block through the upper connecting block, the middle connecting block, the lower connecting block and the bearing connecting block in sequence, and expansion bolts penetrate into the blind holes through the connecting through holes. When the steadiness of cable-stay bridge is guaranteed, the weight of bridge floor can be lightened, and the pulling force born by the stay cable is reduced.
Description
Technical Field
The utility model relates to the technical field of cable-stayed bridges, in particular to a cable-stayed bridge deck structure of a highway and track dual-purpose bridge.
Background
A cable-stayed bridge (also called diagonal bridge) is a bridge which directly pulls a main beam on a bridge tower by a plurality of guys, is a structural system mainly composed of a cable tower, a main beam and a stay cable, can be regarded as a multi-span elastic support continuous beam with guys replacing buttresses, can reduce bending moment in a beam body, reduce building height, lighten structural weight and save materials. At present, the span of the cable-stayed bridge is increasingly large, so the application is increasingly wide.
In the bridge construction that this kind of atress potential plane of cable-stay bridge is many and complicated, the girder is the structure of bridge floor and needs to have good steadiness, and current bridge floor all is that solid structure weight is heavier, and is higher to cable-stay bridge's pylon and suspension cable requirement.
Therefore, there is a need for a cable-stayed bridge deck structure for a highway/rail dual-purpose bridge, which can reduce the weight of the deck and the tension applied to a stay cable while ensuring the stability of the cable-stayed bridge.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the utility model provides a cable-stayed bridge deck structure of a highway and track dual-purpose bridge.
In view of the above, the present invention provides a cable-stayed bridge deck structure of a highway and track dual-purpose bridge, the cable-stayed bridge deck structure including a plurality of bridge deck unit groups connected to each other, the bridge deck unit groups including:
the rectangular frame is provided with an upper transverse surface, a middle transverse surface, a lower transverse surface, a left side surface and a right side surface in the height direction and the width direction of the rectangular frame, and the distance between the upper transverse surface and the middle transverse surface is equal to the distance between the middle transverse surface and the lower transverse surface;
the reinforcing vertical beam surfaces are positioned between the upper transverse surface and the middle transverse surface and between the middle transverse surface and the lower transverse surface and are arranged along the length direction of the upper transverse surface;
the bridge deck unit group is connected with the bearing connecting block through the upper connecting block, the middle connecting block and the lower connecting block in sequence, and expansion bolts pass through the connecting through holes to penetrate into the blind holes.
Further, the cable-stayed bridge deck structure further comprises:
the upper-layer reinforcing ribs are arranged between the upper transverse face and the middle transverse face and are positioned at two sides of the reinforcing vertical beam face, the upper-layer reinforcing ribs are obliquely arranged, and the adjacent two upper-layer reinforcing ribs are connected end to divide the space between the upper transverse face and the middle transverse face into a plurality of upper triangular areas;
the lower-layer reinforcing ribs are arranged between the middle transverse surface and the lower transverse surface, are positioned on two sides of the reinforcing vertical beam surface, are obliquely arranged, and are connected end to divide the space between the middle transverse surface and the lower transverse surface into a plurality of lower triangular areas;
wherein the upper triangular area and the lower triangular area are symmetrically arranged along the middle transverse plane.
Furthermore, the upper layer reinforcing ribs and the lower layer reinforcing ribs are sprayed with anticorrosive coatings.
Further, the width of the reinforcing vertical beam surface is matched with the width of the rail.
Furthermore, the upper transverse plane, the middle transverse plane and the lower transverse plane are all middle planes and arc-shaped inclined planes at two ends, and the width of each plane is matched with the width of the corresponding track.
Furthermore, cable-stayed bridge deck structure still includes cable tower and suspension cable, the cable tower is located the intermediate position of bridge floor unit group, the suspension cable is used for connecting the cable tower with the bridge floor unit group, partly the suspension cable with go up the horizontal surface and be connected, partly the suspension cable is connected with bearing the connecting block.
Further, go up the horizontal plane including skid resistant course, waterproof layer and the concrete-based layer that from top to bottom set up, well horizontal plane include the concrete-based layer with set up in the waterproof layer of concrete-based layer both sides, the horizontal plane includes waterproof layer and the concrete-based layer that from top to bottom set up down, left surface and right flank include the concrete-based layer with set up in the waterproof layer of concrete-based layer both sides.
And further, spraying an anticorrosive layer on the surface of the reinforced vertical beam.
The technical scheme provided by the utility model can have the following beneficial effects:
improve the girder through strengthening perpendicular roof beam face and bear the intensity that the track leads to the car, improve the girder through upper strengthening rib and lower floor's strengthening rib and bear the intensity that the highway leads to the car, lightened the weight of bridge floor when guaranteeing cable-stay bridge's steadiness, reduce the pulling force that the suspension cable bore, the suspension cable not only with last cross connection, still with bear the connecting block and be connected, improved the pulling force of suspension cable to the bridge floor unit group.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view showing a cable-stayed deck structure of a highway-rail dual-purpose bridge according to an embodiment of the present invention;
figure 2 shows a schematic view of a deck unit set according to one embodiment of the utility model;
fig. 3 shows a view a-a of fig. 2 according to the utility model.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
100 bridge deck unit groups, 101 rectangular frames, 102 upper transverse planes, 103 middle transverse planes, 104 lower transverse planes, 105 reinforced vertical beam planes, 106 upper-layer reinforcing ribs, 107 lower-layer reinforcing ribs, 108 upper connecting blocks, 109 lower connecting blocks, 110 middle connecting blocks, 111 bearing connecting blocks, 112 left side faces, 113 right side faces, 200 cable towers and 300 stay cables.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model, as detailed in the appended claims.
Examples
Figure 2 shows a schematic view of a deck unit set according to one embodiment of the utility model.
As shown in fig. 2, the present embodiment proposes a cable-stayed bridge deck structure of a highway-track dual-purpose bridge, the cable-stayed bridge deck structure including a plurality of bridge deck unit groups 100 connected to each other, the bridge deck unit groups 100 including:
a rectangular frame 101, wherein the rectangular frame 101 is provided with an upper transverse surface 102, a middle transverse surface 103, a lower transverse surface 104, a left side surface 112 and a right side surface 113 in the height and width directions of the rectangular frame 101, and the distance between the upper transverse surface 102 and the middle transverse surface 103 is equal to the distance between the middle transverse surface 103 and the lower transverse surface 104;
a reinforcing stringer face 105 located between the upper lateral face 102 and the middle lateral face 103, and between the middle lateral face 103 and the lower lateral face 104, the reinforcing stringer face 105 being disposed along the length direction of the upper lateral face 102;
an upper connecting block 108 and a lower connecting block 109 are arranged on the left side surface 112, a middle connecting block 110 and a bearing connecting block 111 are arranged on the right side surface 113, connecting through holes are formed in the upper connecting block 108, the middle connecting block 110 and the lower connecting block 109, blind holes are formed in the bearing connecting block 111, the connected bridge deck unit group 100 is connected with the bearing connecting block 111 sequentially through the upper connecting block 108, the middle connecting block 110, the lower connecting block 109, and expansion bolts penetrate into the blind holes through the connecting through holes.
The girder that will originally whole entity is the bridge floor, become multilayer structure, because rail vehicle weight is heavier, the setting is put at the central point of bridge floor, set up between layer and strengthen perpendicular roof beam face 105, there is a supporting role to rail vehicle, two adjacent bridge floor unit groups 100 are through last connecting block 108, well connecting block 110, connecting block 109 and bear connecting block 111 and realize pegging graft down, connect through expansion bolts, when guaranteeing cable-stay bridge's steadiness, can alleviate the weight of bridge floor, reduce the pulling force that cable-stay 300 bore.
It should be noted that a part of the bearing connecting block 111 is connected to the lower end of the lower transverse plane 104 to play a role of stable support.
Further, draw bridge floor structure to one side still includes:
the upper-layer reinforcing ribs 106 are arranged between the upper transverse surface 102 and the middle transverse surface 103, the upper-layer reinforcing ribs 106 are positioned on two sides of the reinforcing vertical beam surface 105, the upper-layer reinforcing ribs 106 are obliquely arranged, and the adjacent two upper-layer reinforcing ribs 106 are connected end to divide the space between the upper transverse surface 102 and the middle transverse surface 103 into a plurality of upper triangular areas;
the lower-layer reinforcing ribs 107 are arranged between the middle transverse face 103 and the lower transverse face 104, the lower-layer reinforcing ribs 107 are positioned on two sides of the reinforcing vertical beam face 105, the lower-layer reinforcing ribs 107 are obliquely arranged, and the two adjacent lower-layer reinforcing ribs 107 are connected end to divide the space between the middle transverse face 103 and the lower transverse face 104 into a plurality of lower triangular areas;
wherein, the upper triangular area and the lower triangular area are symmetrically arranged along the middle transverse plane.
Because road vehicle weight is lighter, there is a supporting role to bridge deck unit group 100 through setting up of upper strengthening rib 106 and lower floor's strengthening rib 107, can also reduce bridge deck unit group 100's weight, wherein, upper strengthening rib 106 will go up and divide into a plurality of between cross surface 102 and the middle cross surface 103 and go up the triangle-shaped region, lower floor's strengthening rib 107 will be divided into a plurality of between cross surface 103 and the lower cross surface 104 and down the triangle-shaped region down, triangle-shaped region support stability is higher.
Further, an anticorrosive coating is sprayed on the upper layer reinforcing ribs 106 and the lower layer reinforcing ribs 107.
Because the space between the upper transverse surface 102 and the middle transverse surface 103, and the space between the middle transverse surface 103 and the lower transverse surface 104 are not completely closed, rain, snow and dust can enter the upper triangular area and the lower triangular area in rainy and snowy weather, and corrosion is easily caused, an anti-corrosion coating is sprayed on the upper reinforcing ribs 106 and the lower reinforcing ribs 107, and the service life of the cable-stayed bridge deck structure is prolonged.
Fig. 3 shows a view a-a of fig. 2 according to the utility model.
As shown in fig. 3, the width of the reinforcing mullion face 105 matches the width of the rail.
The width of the reinforcing vertical beam surface 105 is matched with the width of the rail, so that the supporting effect on the rail vehicle can be improved.
Furthermore, the upper transverse plane 102, the middle transverse plane 103 and the lower transverse plane 104 are all middle planes, and arc-shaped inclined planes are arranged at two ends, and the width of the planes is matched with that of the tracks.
Go up the setting of horizontal 102 mid-plane and be for better laying the track, both ends arc inclined plane sets up in making things convenient for ponding on the bridge floor to flow into the escape canal, and well horizontal 103 and lower horizontal 104 are mid-plane, and the structure on both ends arc inclined plane also can be better will fall into the rain and snow in the triangle region and the triangle region down in time get rid of, improves the life who draws bridge floor structure to one side, and the extension draws bridge floor structure's maintenance time to one side.
It should be noted that the lower surfaces of the upper cross surface 102, the middle cross surface 103 and the lower cross surface 104 are all flat surfaces, wherein the arc-shaped inclined surfaces in fig. 3 are only schematic, and for the convenience of understanding, the slope of the arc-shaped inclined surfaces is more moderate due to the longer width of the actual arc-shaped inclined surfaces.
Fig. 1 is a schematic view showing a cable-stayed deck structure of a highway-rail dual-purpose bridge according to an embodiment of the present invention.
As shown in fig. 1, the cable-stayed bridge deck structure further includes a cable tower 200 and a stay cable 300, the cable tower 200 is located at a middle position of the bridge deck unit group 100, the stay cable 300 is used for connecting the cable tower 200 and the bridge deck unit group 100, a part of the stay cable 300 is connected to the upper transverse plane 102, and a part of the stay cable 300 is connected to the load-bearing connection block 111.
The cable tower 200 may be a-shaped, inverted Y-shaped, or H-shaped, and a cross beam is provided at the lowermost portion of the deck unit group 100 as a support, and a portion of the stay cables 300 is connected to the upper cross surface 102, and a portion of the stay cables 300 is connected to the load-bearing connection block 11, and is connected to the lower end of the deck unit group 100, so that the support effect of the deck unit group 100 can be further improved, and the support weight of the deck unit group 100 can be increased.
It should be noted that, one cable tower 200 is provided at intervals of one deck unit group 100, wherein the stay cable 300 in fig. 1 is only a schematic diagram, and is not an actual installation diagram.
Further, the upper cross surface 102 comprises an anti-skid layer, a waterproof layer and a concrete base layer which are arranged from top to bottom, the middle cross surface 103 comprises a concrete base layer and a waterproof layer arranged on two sides of the concrete base layer, the lower cross surface 104 comprises a waterproof layer and a concrete base layer which are arranged from top to bottom, and the left side surface 112 and the right side surface 113 comprise a concrete base layer and a waterproof layer arranged on two sides of the concrete base layer.
The waterproof layer can prolong the service life of the cable-stayed bridge deck structure and prolong the maintenance time of the cable-stayed bridge deck structure.
Further, the reinforcing vertical beam surface 105 is sprayed with a corrosion-proof layer.
The reinforced vertical beam surface 105 is positioned between the upper transverse surface 102 and the middle transverse surface 103 and between the middle transverse surface 103 and the lower transverse surface 104, so that the maintenance is inconvenient, and the maintenance time of the reinforced vertical beam surface 105 can be prolonged by spraying and coating the anticorrosive layer.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It will be understood that the utility model is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (8)
1. The utility model provides a highway track dual-purpose bridge's cable-stayed bridge deck structure, its characterized in that, cable-stayed bridge deck structure includes a plurality of bridge deck unit groups of interconnect, the bridge deck unit group includes:
the rectangular frame is provided with an upper transverse surface, a middle transverse surface, a lower transverse surface, a left side surface and a right side surface in the height direction and the width direction of the rectangular frame, and the distance between the upper transverse surface and the middle transverse surface is equal to the distance between the middle transverse surface and the lower transverse surface;
the reinforcing vertical beam surfaces are positioned between the upper transverse surface and the middle transverse surface and between the middle transverse surface and the lower transverse surface and are arranged along the length direction of the upper transverse surface;
the bridge deck unit group is connected with the bearing connecting block through the upper connecting block, the middle connecting block and the lower connecting block in sequence, and expansion bolts pass through the connecting through holes to penetrate into the blind holes.
2. A cable-stayed deck structure for a road-track dual-purpose bridge according to claim 1, characterized in that it further comprises:
the upper-layer reinforcing ribs are arranged between the upper transverse face and the middle transverse face and are positioned at two sides of the reinforcing vertical beam face, the upper-layer reinforcing ribs are obliquely arranged, and the adjacent two upper-layer reinforcing ribs are connected end to divide the space between the upper transverse face and the middle transverse face into a plurality of upper triangular areas;
the lower-layer reinforcing ribs are arranged between the middle transverse surface and the lower transverse surface, are positioned on two sides of the reinforcing vertical beam surface, are obliquely arranged, and are connected end to divide the space between the middle transverse surface and the lower transverse surface into a plurality of lower triangular areas;
wherein the upper triangular area and the lower triangular area are symmetrically arranged along the middle transverse plane.
3. The cable-stayed bridge deck structure of a highway-track dual-purpose bridge according to claim 2, wherein the upper reinforcing ribs and the lower reinforcing ribs are sprayed with an anticorrosive coating.
4. A cable-stayed deck structure of a highway-rail dual-purpose bridge according to claim 1, wherein the width of the reinforcing vertical beam surface is matched with the width of the rail.
5. A cable-stayed bridge deck structure of a highway-rail dual-purpose bridge according to claim 1, wherein the upper transverse plane, the middle transverse plane and the lower transverse plane are all structures of middle planes and arc-shaped inclined planes at two ends, and the width of the planes is matched with that of the rails.
6. The cable-stayed bridge deck structure of the highway-track dual-purpose bridge according to claim 1, wherein the cable-stayed bridge deck structure further comprises a cable tower and a stay cable, the cable tower is located at the middle position of the bridge deck unit group, the stay cable is used for connecting the cable tower and the bridge deck unit group, a part of the stay cable is connected with the upper horizontal surface, and a part of the stay cable is connected with a bearing connection block.
7. The cable-stayed bridge deck structure of the highway-track dual-purpose bridge according to any one of claims 1 to 6, wherein the upper transverse plane comprises an anti-skid layer, a waterproof layer and a concrete base layer which are arranged from top to bottom, the middle transverse plane comprises a concrete base layer and a waterproof layer arranged on two sides of the concrete base layer, the lower transverse plane comprises a waterproof layer and a concrete base layer which are arranged from top to bottom, and the left side surface and the right side surface comprise a concrete base layer and a waterproof layer arranged on two sides of the concrete base layer.
8. A cable-stayed bridge deck structure for a road-track dual-purpose bridge according to any one of claims 1 to 6, characterized in that said reinforcing vertical beam surface is sprayed with a corrosion-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722513.1U CN216689031U (en) | 2021-11-09 | 2021-11-09 | Cable-stayed bridge deck structure of highway and track dual-purpose bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722513.1U CN216689031U (en) | 2021-11-09 | 2021-11-09 | Cable-stayed bridge deck structure of highway and track dual-purpose bridge |
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| CN216689031U true CN216689031U (en) | 2022-06-07 |
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| CN202122722513.1U Active CN216689031U (en) | 2021-11-09 | 2021-11-09 | Cable-stayed bridge deck structure of highway and track dual-purpose bridge |
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