CN220685789U - Cable-stayed bridge tower and cable-stayed bridge - Google Patents

Cable-stayed bridge tower and cable-stayed bridge Download PDF

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Publication number
CN220685789U
CN220685789U CN202322317151.7U CN202322317151U CN220685789U CN 220685789 U CN220685789 U CN 220685789U CN 202322317151 U CN202322317151 U CN 202322317151U CN 220685789 U CN220685789 U CN 220685789U
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cable
steel
stayed bridge
steel sleeve
concrete
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CN202322317151.7U
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田波
王戈
牟廷敏
文凯
周霆
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Sichuan Highway Planning Survey and Design Institute Ltd
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Sichuan Highway Planning Survey and Design Institute Ltd
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Abstract

The utility model relates to the technical field of cable-stayed bridges, and provides a cable-stayed bridge tower and a cable-stayed bridge, wherein the cable-stayed bridge tower comprises a cable-stayed guide pipe, a plurality of steel pipe concrete upright posts and a steel sleeve box; the steel sleeve boxes are connected between two adjacent steel pipe concrete upright posts, and the steel pipe concrete upright posts and the steel sleeve boxes are enclosed to be tower-shaped; the steel sleeve box is matched with the steel tube concrete upright column in height; concrete is poured into the steel sleeve box; the stay cable guide pipes are arranged on the two steel sleeve boxes corresponding to the longitudinal bridge direction. The cable-stayed bridge tower can solve the problems that the existing cable-stayed bridge tower needs a large number of templates, and is complex in construction process, high in cost and long in time.

Description

Cable-stayed bridge tower and cable-stayed bridge
Technical Field
The utility model relates to the technical field of cable-stayed bridges, in particular to a cable-stayed bridge tower and a cable-stayed bridge.
Background
The cable-stayed bridge is a bridge mainly composed of a stay cable, a beam plate and a cable-stayed bridge tower; the two ends of the stay cable are respectively anchored with the beam plate and the cable-stayed bridge tower through stay cable guide pipes, so that the load borne by the beam plate is transferred to the cable-stayed bridge tower; the cable-stayed bridge tower bears most of the load of the whole bridge and is a core component of the cable-stayed bridge.
The common cable-stayed bridge tower is provided with a concrete structure tower and a steel structure cable-stayed bridge, wherein the concrete bearing capacity is higher, but the concrete pouring of the cable-stayed bridge tower needs a large amount of sand and templates and corresponding template transportation, climbing, assembly and disassembly procedures, and the like, and the construction procedures are complex, long in period and high in cost; and the concrete structure bridge tower is easy to crack under the action of the external collapse force of the stay cable, and a large number of circumferential prestress steel bundles are required to be arranged at the stay cable guide pipe, so that the construction process is further complicated, and the construction period and the cost are improved. Meanwhile, the dead weight of the cable-stayed bridge with the concrete structure is larger, so that the cable-stayed bridge is unfavorable for resisting earthquakes, and is difficult to adapt to the environment with frequent earthquakes.
Disclosure of Invention
The utility model aims at: the problems of complex construction procedures, high cost and long time caused by the fact that a large number of templates are needed in construction of the existing concrete cable-stayed bridge tower are solved, and the cable-stayed bridge tower is provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a cable-stayed bridge tower comprises a stay cable guide pipe, a plurality of steel pipe concrete columns and a steel sleeve box; the steel sleeve boxes are connected between two adjacent steel pipe concrete upright posts, and the steel pipe concrete upright posts and the steel sleeve boxes are enclosed to be tower-shaped; the steel sleeve box is matched with the steel tube concrete upright column in height; concrete is poured into the steel sleeve box; the stay cable guide pipes are arranged on the two steel sleeve boxes corresponding to the longitudinal bridge direction.
The concrete-filled steel tube column is characterized in that the concrete-filled steel tube column is formed by adopting concrete-filled steel tube columns, wherein the concrete-filled steel tube columns are formed by adopting concrete-filled steel tube columns; the stay cable guide tube is arranged according to the prior art, and parameters such as the number, the position, the inclination angle and the size of the stay cable guide tube are required to be matched with the stay cable.
The scheme recommends that the steel pipe concrete upright post and the steel sleeve box are combined to form a main bearing structure of the cable-stayed bridge tower, the steel pipe concrete upright post can bear main vertical load, the steel sleeve box can provide lateral support for the steel pipe concrete upright post, and meanwhile, part of the vertical load is borne, so that the stability of the scheme is ensured; when concrete is poured, the steel pipe and the steel sleeve box can be directly used as templates, so that the number of the templates required to be used can be reduced, and related procedures such as transportation, assembly, climbing and disassembly of the templates are greatly simplified; meanwhile, the steel sleeve box has enough bending resistance and crack resistance, compared with a pure concrete structure, the steel sleeve box has no risk of cracking, so that a large number of reversing prestress steel bundles are not required to be arranged at the stay cable guide pipe; in summary, the scheme can greatly reduce the construction workload of the cable-stayed bridge tower, thereby improving the construction speed and reducing the construction cost and time;
meanwhile, under the condition of the same size, the compression resistance of the steel pipe concrete and the steel sleeve box are higher than those of the pure steel structure or the pure concrete structure, so that under the condition of the same bearing capacity, the scheme has small size and weight compared with a pure steel structure bridge tower or a pure concrete structure bridge tower, and on one hand, the material consumption can be reduced, and the construction cost is reduced; on the other hand, the number of pile foundations at the lower part of the cable-stayed bridge tower can be correspondingly reduced, so that the construction workload of the scheme is further reduced, the construction speed is further improved, and the construction cost and time are reduced; meanwhile, the lower weight can enable the scheme to have better anti-seismic property.
As a preferable scheme of the utility model, one end of the stay cable guide pipe, which is positioned at the inner side of the steel sleeve box, is provided with a bearing plate; and one side of the bearing plate, which faces the steel sleeve box, is connected with the steel sleeve box through a steel anchor box.
The inner side of the steel sleeve box, namely the side of the steel sleeve box facing the center of the cable-stayed bridge tower.
When the steel sleeve box is provided with a plurality of stay cable guide pipes, an independent steel anchor box can be arranged for each stay cable guide pipe, and the plurality of stay cable guide pipes can share the steel anchor box.
This scheme is recommended to be located the inboard one end of steel bushing case at the stay cable pipe and is set up the bearing plate, makes the bearing plate pass through steel anchor case and steel bushing case be connected again, can be with the pulling force that the stay cable pipe received change into the pressure and applys in the inside one side of steel bushing case towards cable-stayed bridge tower to can increase the area of contact of stay cable pipe and steel bushing case, thereby reduce the possibility of steel bushing case inner wall fracture, ensured the reliable operation of this scheme.
As the preferable scheme of the utility model, the outer wall of the steel tube concrete upright post is also covered with an outer anti-corrosion coating.
The outer anti-corrosion layer can be in the form of paint or concrete layer, and if the concrete layer is selected, attention should be paid to the concrete with good weather resistance and difficult cracking.
According to the scheme, the outer wall of the steel pipe concrete upright post is recommended to be covered with the outer anti-corrosion layer, so that corrosion and damage of the environment to the steel pipe concrete upright post can be reduced, and the service life of the steel pipe concrete upright post is prolonged; meanwhile, the cross-sectional area and bending moment of inertia of the scheme can be increased by wrapping the anti-corrosion coating, so that the stability of the scheme is further improved.
As a preferable scheme of the utility model, a plurality of transverse baffles are also arranged in the steel sleeve box; the diaphragm plate is arranged along the horizontal direction; the diaphragm plates are distributed at intervals along the height direction of the steel sleeve box.
The specific size, number and location of the diaphragms will depend on the actual load conditions and requirements.
This scheme recommends to set up a plurality of diaphragm plates along direction of height interval distribution in the steel jacket case, can improve the antitorque characteristic of steel jacket case to improve the bearing capacity of steel jacket case, make this scheme have higher factor of safety.
As a preferable mode of the utility model, the diaphragm plate is provided with a concrete flow hole.
The concrete flow holes are sized specifically according to the fluidity of the concrete used and the internal space of the steel jacket.
This scheme recommends to set up the concrete flow hole on the diaphragm, avoids the diaphragm to cause the hindrance to the flow of concrete when pouring the concrete in the steel jacket case to improve the efficiency of construction.
As a preferable scheme of the utility model, the inner wall of the steel sleeve box is provided with vertical stiffening ribs.
The specific size, number and distribution of the vertical stiffeners are determined according to actual load conditions and requirements.
According to the scheme, the vertical stiffening ribs are recommended to be arranged on the inner wall of the steel sleeve box, so that the bending-resistant section coefficient of the steel sleeve box can be increased, the bearing capacity of the steel sleeve box is improved, and the scheme has a higher safety coefficient; on the other hand, the vertical stiffening ribs can also increase the contact area of the steel sleeve box and the concrete in the steel sleeve box, strengthen the connection of the vertical stiffening ribs and the concrete in the steel sleeve box, and further ensure the working reliability of the scheme.
As a preferable scheme of the utility model, shear key holes are distributed along the length direction of the vertical stiffening ribs.
The scheme recommends that the vertical stiffening ribs are provided with shear key holes distributed along the length direction of the vertical stiffening ribs, so that the connection of the vertical stiffening ribs and the concrete in the steel sleeve box can be enhanced, the cooperative work of the concrete in the steel sleeve box and the steel sleeve box is ensured, the possibility that the concrete in the steel sleeve box and the steel sleeve box slide relatively or are out of the air is reduced, and the working reliability of the scheme is ensured.
As the preferable scheme of the utility model, the inner wall of the steel sleeve box is also provided with welding nails.
The specific type and arrangement of the welding nails are determined according to actual load conditions and requirements.
The scheme recommends that the welding nails are arranged in the steel sleeve box, so that the connection of the concrete in the steel sleeve box and the inner wall of the steel sleeve box can be enhanced, the cooperative work of the concrete in the steel sleeve box and the steel sleeve box is ensured, the possibility that the concrete in the steel sleeve box and the steel sleeve box slide relatively or fall off is reduced, and the working reliability of the scheme is ensured.
As a preferred embodiment of the utility model, the cable-stayed bridge pylon is divided into several segments in the height direction.
The specific size of each segment depends on practical conditions, such as lifting capacity and transportation capacity; the connection of two adjacent segments may be made in a variety of ways, such as by welding or by using threaded connectors.
This scheme is recommended to divide into the section that a plurality of sizes are littleer with cable-stayed bridge tower along the direction of height, then can reduce the degree of difficulty of manufacturing, hoist and mount and transportation, and then can obtain the instrument that processingquality is higher more easily to and reduce the cost of transportation, improve the efficiency of construction.
As a preferable scheme of the utility model, when the horizontal section of the cable-stayed bridge tower is polygonal, the steel pipe concrete upright posts are at least distributed at corner points of the horizontal section of the cable-stayed bridge tower.
Because the load of cable-stayed bridge tower angular point department is greater than other positions, this scheme recommends at least to set up the steel pipe concrete stand in the angular point department of bridge tower setting region to give full play to the good compressive property of steel pipe concrete stand, ensure that the support of cable-stayed bridge tower is reliable.
A cable-stayed bridge comprises a stay cable and a beam plate, wherein one end of the stay cable is connected with the beam plate, and the other end of the stay cable is connected with a cable-stayed bridge tower of the cable-stayed bridge through a stay cable guide pipe.
The cable-stayed bridge adopting the cable-stayed bridge tower can reduce the use of templates during construction, thereby simplifying related procedures and consumed time and reducing construction difficulty and time consumption; meanwhile, under the condition of the same bearing capacity, compared with a pure steel structure tower or a pure concrete structure tower, the cable-stayed bridge tower of the scheme has small size and weight, so that the manufacturing cost and material consumption of the cable-stayed bridge of the scheme can be reduced, and stronger shock resistance can be obtained;
meanwhile, as the stay cable guide pipe is arranged in the steel sleeve box, compared with a cable-stayed bridge tower with a concrete structure, the cable-stayed bridge tower with the scheme has no risk of cracking, and can resist the outward collapse force of the stay cable to the cable-stayed bridge tower, so that the working reliability of the cable-stayed bridge is ensured.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the scheme recommends that the steel pipe concrete upright post and the steel sleeve box are combined to form a main bearing structure of the cable-stayed bridge tower, the steel pipe concrete upright post can bear main vertical load, the steel sleeve box can provide lateral support for the steel pipe concrete upright post, and meanwhile, part of the vertical load is borne, so that the stability of the scheme is ensured; when concrete is poured, the steel pipe and the steel sleeve box can be directly used as templates, so that the number of the templates required to be used can be reduced, and related procedures such as transportation, assembly, climbing and disassembly of the templates are greatly simplified; meanwhile, the steel sleeve box has enough bending resistance and crack resistance, compared with a pure concrete structure, the steel sleeve box has no risk of cracking, so that a large number of reversing prestress steel bundles are not required to be arranged at the stay cable guide pipe; in summary, the scheme can greatly reduce the construction workload of the cable-stayed bridge tower, thereby improving the construction speed and reducing the construction cost and time;
meanwhile, under the condition of the same size, the compression resistance of the steel pipe concrete and the steel sleeve box are higher than those of the pure steel structure or the pure concrete structure, so that under the condition of the same bearing capacity, the scheme has small size and weight compared with a pure steel structure bridge tower or a pure concrete structure bridge tower, and on one hand, the material consumption can be reduced, and the construction cost is reduced; on the other hand, the number of pile foundations at the lower part of the cable-stayed bridge tower can be correspondingly reduced, so that the construction workload of the scheme is further reduced, the construction speed is further improved, and the construction cost and time are reduced; meanwhile, the lower weight can enable the scheme to have better anti-seismic property.
2. The cable-stayed bridge adopting the cable-stayed bridge tower can reduce the use of templates during construction, thereby simplifying related procedures and consumed time and reducing construction difficulty and time consumption; meanwhile, under the condition of the same bearing capacity, compared with a pure steel structure tower or a pure concrete structure tower, the cable-stayed bridge tower of the scheme has small size and weight, so that the manufacturing cost and material consumption of the cable-stayed bridge of the scheme can be reduced, and stronger shock resistance can be obtained;
meanwhile, as the stay cable guide pipe is arranged in the steel sleeve box, compared with a cable-stayed bridge tower with a concrete structure, the cable-stayed bridge tower with the scheme has no risk of cracking, and can resist the outward collapse force of the stay cable to the cable-stayed bridge tower, so that the working reliability of the cable-stayed bridge is ensured.
Drawings
FIG. 1 is a schematic perspective view of a pylon of a cable-stayed bridge of the present utility model;
FIG. 2 is a schematic top view of a cable-stayed bridge pylon of the present utility model;
FIG. 3 is a schematic cross-sectional view of a cable-stayed bridge pylon of the present utility model along a longitudinal bridge plane;
FIG. 4 is a schematic view in partial cross-section of a perspective view of a steel anchor box;
FIG. 5 is an enlarged schematic view of a portion of a pylon of a cable-stayed bridge of the present utility model;
FIG. 6 is an enlarged partial schematic view of a vertical stiffener;
icon: 1-a steel tube concrete column; 2-a steel sleeve box; 21-steel plates outside the steel sleeve box; 22-steel plates in the steel sleeve box; 23-concrete in the steel sleeve box; 24-diaphragm plates; 3-stay cable conduits; 31-extension; 32-bearing plates; 4-steel anchor boxes; 5-coating an anti-corrosion layer; 6-vertical stiffeners; 7-welding nails.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1 to 6, the cable-stayed bridge tower adopted by the utility model comprises a stay cable guide pipe 3, a steel pipe concrete column 1 and a steel sleeve box 2; the steel pipe concrete upright posts 1 are circumferentially distributed at intervals along the horizontal section of the cable-stayed bridge tower; the steel pipe concrete upright posts 1 are at least distributed at corner points of the horizontal section of the cable-stayed bridge tower; two steel pipe concrete columns 1 which are adjacent along the circumferential direction of the horizontal section of the cable-stayed bridge tower are connected through a steel sleeve box 2; the steel sleeve box 2 is matched with the steel pipe concrete upright column 1 in height; concrete is poured into the steel sleeve box 2; the stay cable guide pipes 3 are arranged in steel sleeve boxes 2 which are respectively positioned at two ends of a cable-stayed bridge tower along the longitudinal bridge direction.
Specifically, as shown in fig. 2, the steel pipe concrete columns 1 of the embodiment are respectively distributed at intervals along the transverse bridge direction and the longitudinal bridge direction, and are provided with two columns of steel pipe concrete columns 1 along the transverse bridge direction, and two rows of steel pipe concrete columns 1 along the longitudinal bridge direction, so that a rectangular array is formed; correspondingly, the embodiment is provided with four steel sleeve boxes 2, wherein two steel sleeve boxes 2 are arranged along the transverse bridge direction and are used for connecting corresponding steel tube concrete upright posts 1 along the transverse bridge direction; the two steel sleeve boxes 2 are arranged along the longitudinal bridge direction and are used for connecting the corresponding steel pipe concrete upright posts 1 along the longitudinal bridge direction, so that a cable-stayed bridge tower with a rectangular section is formed; each steel sleeve 2 comprises two steel wall plates which are arranged at intervals, namely a steel sleeve outer steel plate 21 and a steel sleeve inner steel plate 22, wherein both ends of the steel sleeve outer steel plate 21 and the steel sleeve inner steel plate 22 are welded with the steel pipe concrete upright posts 1, and steel sleeve inner concrete 23 is poured in the enclosed area between the steel sleeve outer steel plate 21, the steel sleeve inner steel plate 22 and the corresponding two steel pipe concrete upright posts 1.
The side, facing the steel concrete 23, of the steel plate 21 outside the steel sleeve box and the steel plate 22 inside the steel sleeve box is also provided with a vertical stiffening rib 6 with a shear key hole and a welding nail 7; specifically, the vertical stiffening ribs 6 are welded with the steel plate 21 outside the steel sleeve box and the steel plate 22 inside the steel sleeve box; round shear key holes are distributed at intervals along the length direction of the vertical stiffening rib 6 to form shear keys with the concrete 23 in the steel sleeve box; the welding nails 7 are also welded with the steel plate 21 outside the steel sleeve box and the steel plate 22 inside the steel sleeve box and are arranged vertically to the inner wall of the steel wall plate;
the steel sleeve box 2 and the steel tube concrete upright column 1 are further divided into a plurality of sections along the height direction; the specific size of each segment is determined according to the actual transportation conditions; two adjacent sections are welded and connected; a diaphragm 24 is also arranged at the joint of two adjacent sections, and the diaphragm 24 is arranged along the horizontal direction and is welded with the steel sleeve box 2; the diaphragm 24 is provided with oblong holes for concrete flow therethrough to allow the flow of concrete between the various segments. Holes with corresponding sizes are formed in the diaphragm plates 24 at positions corresponding to the vertical stiffening ribs 6 and the concrete filled steel tube columns 1 so that the vertical stiffening ribs 6 and the concrete filled steel tube columns 1 pass through.
One end of the stay cable guide pipe 3 facing the inner side of the cable-stayed bridge tower is provided with an extension section 31; the extension section 31 protrudes from the steel sleeve 2; one end of the extension section 31, which is away from the steel sleeve box 2, is provided with a bearing plate 32; a steel anchor box 4 is arranged on one surface of the steel sleeve box 2 facing the inner side of the cable-stayed bridge tower; the extension section 31 is positioned inside the steel anchor box 4; the bearing plate 32 is connected with the steel anchor box 4; specifically, in the embodiment, three stay cable conduits 3 are arranged on one steel sleeve box 2, and independent steel anchor boxes 4 are respectively arranged for the three stay cable conduits 3; the steel anchor box 4 is a rectangular steel anchor box 4 and comprises steel plates which are respectively positioned at the upper, lower, left and right directions of the extension section 31; correspondingly, the bearing plate 32 is also rectangular; the end of the stay cable duct 3 facing the outside of the cable-stayed bridge pylon also has an extension 31.
The outer wall of the steel pipe concrete upright post 1 is also covered with an outer anti-corrosion coating 5. The outer anti-corrosion layer 5 can be cast by concrete with the label lower than that of the concrete 23 in the steel sleeve box so as to reduce the possibility of cracking.
In construction, the method can be carried out according to the following steps:
A. the steel pipe of the steel pipe concrete upright column 1, the steel plate 21 outside the steel sleeve box, the steel plate 22 inside the steel sleeve box, the vertical stiffening rib 6, the diaphragm 24 and the steel anchor box 4 are manufactured in factories according to design requirements;
B. the steel pipe of the steel pipe concrete column 1, the steel plate 21 outside the steel sleeve box, the steel plate 22 inside the steel sleeve box, the vertical stiffening rib 6, the diaphragm 24 and the steel anchors of each section are respectively welded and connected, so that the manufacture of each section is completed and each section is transported to a factory construction site;
C. after the construction of the bridge tower foundation is completed, embedding the embedded sections of the cable-stayed bridge tower, and adopting a high-throwing form to fill the steel pipes of the steel pipe concrete upright posts 1 of the embedded sections and the concrete in the steel plates 21 and 22 outside and inside the steel sleeve box;
D. when the concrete strength of the last section reaches 80% of the design strength, installing the next section of the cable-stayed bridge tower; the steel pipe of the steel pipe concrete upright column 1 of the section and the last section, the vertical stiffening rib 6 and the steel sleeve box outer steel plate 21 and the steel sleeve box inner steel plate 22 are required to be welded and connected; the steel pipe of the steel pipe concrete upright column 1 of the section is poured with concrete in a high-throwing mode, and the steel plate 21 outside the steel sleeve box and the steel plate 22 inside the steel sleeve box are made of concrete;
E. repeating the step D until all the sections are installed and the concrete is maintained until the design strength is reached; and (5) completing construction of the cable-stayed bridge tower.
Example 2
The cable-stayed bridge adopted in the embodiment comprises a stay cable, a beam plate and a cable-stayed bridge tower in the embodiment 1; one end of the stay cable is connected with the beam plate, and the other end of the stay cable is connected with the cable-stayed bridge tower through the stay cable guide pipe 3.
The cable-stayed bridge of the embodiment can reduce the use of templates in construction due to the cable-stayed bridge tower, thereby simplifying related procedures and consumed time and reducing construction difficulty and time consumption; meanwhile, under the condition of the same bearing capacity, compared with a pure steel structure tower or a pure concrete structure tower, the cable-stayed bridge tower of the embodiment has small size and weight, so that the manufacturing cost and material consumption of the cable-stayed bridge of the embodiment can be reduced, and stronger shock resistance can be obtained;
meanwhile, as the stay cable guide pipe 3 is arranged in the steel sleeve box 2, compared with a cable-stayed bridge tower with a concrete structure, the cable-stayed bridge tower of the embodiment has no risk of cracking, and can resist the outward collapse force of the stay cable on the cable-stayed bridge tower, thereby ensuring the reliable operation of the cable-stayed bridge.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The cable-stayed bridge tower is characterized by comprising a stay cable guide pipe (3), a plurality of steel pipe concrete columns (1) and a steel sleeve box (2); the steel sleeve boxes (2) are connected between two adjacent steel tube concrete columns (1), and the steel tube concrete columns (1) and the steel sleeve boxes (2) are enclosed to be tower-shaped; the steel sleeve box (2) is matched with the steel tube concrete upright post (1) in height; concrete is poured into the steel sleeve box (2); the stay cable guide pipes (3) are arranged on the two steel sleeve boxes (2) corresponding to the longitudinal bridge direction.
2. A cable-stayed bridge pylon according to claim 1, characterized in that the end of the stay cable conduit (3) inside the steel bushing box (2) is provided with a bearing plate (32); one side of the bearing plate (32) facing the steel sleeve box (2) is connected with the steel sleeve box (2) through a steel anchor box (4).
3. A cable-stayed bridge pylon according to claim 1, characterized in that the outer wall of the concrete filled steel tube column (1) is further covered with an outer anti-corrosion layer (5).
4. A cable-stayed bridge pylon according to any of claims 1 to 3, characterized in that the steel jackbox (2) is also internally provided with a number of transverse baffles (24); the diaphragm plates (24) are arranged along the horizontal direction; the diaphragm plates (24) are distributed at intervals along the height direction of the steel sleeve box (2).
5. A cable-stayed bridge pylon according to claim 4, characterized in that the diaphragm (24) is provided with concrete flow holes.
6. A cable-stayed bridge pylon according to any of claims 1 to 3, characterized in that the inner wall of the steel box (2) is provided with vertical stiffening ribs (6).
7. A cable-stayed bridge pylon according to any of claims 1 to 3, characterized in that the inner wall of the steel bushing box (2) is also provided with welding nails (7).
8. A cable-stayed bridge pylon according to any one of claims 1 to 3, characterized in that the cable-stayed bridge pylon is divided into several segments in the height direction.
9. A cable-stayed bridge pylon according to any of claims 1-3, characterized in that the concrete filled steel tube columns (1) are distributed at least at the corner points of the horizontal cross section of the cable-stayed bridge pylon when the horizontal cross section of the cable-stayed bridge pylon is polygonal.
10. Cable-stayed bridge comprising a stay cable and a beam plate, characterized in that one end of the stay cable is connected to the beam plate and the other end of the stay cable is connected to a cable-stayed bridge tower according to any of claims 1 to 9 via a stay cable conduit (3).
CN202322317151.7U 2023-08-28 2023-08-28 Cable-stayed bridge tower and cable-stayed bridge Active CN220685789U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322317151.7U CN220685789U (en) 2023-08-28 2023-08-28 Cable-stayed bridge tower and cable-stayed bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322317151.7U CN220685789U (en) 2023-08-28 2023-08-28 Cable-stayed bridge tower and cable-stayed bridge

Publications (1)

Publication Number Publication Date
CN220685789U true CN220685789U (en) 2024-03-29

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Application Number Title Priority Date Filing Date
CN202322317151.7U Active CN220685789U (en) 2023-08-28 2023-08-28 Cable-stayed bridge tower and cable-stayed bridge

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