CN215593682U - Exposed simple steel pull beam cable-stayed bridge cable tower anchoring structure - Google Patents
Exposed simple steel pull beam cable-stayed bridge cable tower anchoring structure Download PDFInfo
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- CN215593682U CN215593682U CN202120821767.6U CN202120821767U CN215593682U CN 215593682 U CN215593682 U CN 215593682U CN 202120821767 U CN202120821767 U CN 202120821767U CN 215593682 U CN215593682 U CN 215593682U
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Abstract
The utility model discloses an exposed simple steel pull beam cable-stayed bridge cable-tower anchoring structure, which comprises a bridge tower, wherein an anchoring beam is arranged on the outer wall of the bridge tower, the anchoring beam comprises a fixed anchoring beam and a movable anchoring beam, the fixed anchoring beam and the movable anchoring beam are both arranged in a steel cross beam which connects the fixed anchoring beam and the movable anchoring beam into a whole, and the steel cross beam bears the horizontal component force between the fixed anchoring beam and the movable anchoring beam. The anchoring beam decomposes the force of a stayed cable into a vertical force and a horizontal force, the vertical force is borne by bridge tower concrete, the horizontal force is borne by the steel cross beam, the anchoring end is arranged outside the bridge tower, the whole width of a cable tower anchoring structure can be reduced, the steel consumption is reduced, the anchoring beam adopts a structure system with one end fixedly connected and the other end movable, the horizontal force borne by the bridge tower can be reduced, and the risk of cracking of the bridge tower concrete is reduced. The utility model adopts a simple steel tie beam anchoring structure, has lighter weight, is convenient to install, and has better economy and construction convenience.
Description
Technical Field
The utility model belongs to the technical field of bridge design, and particularly relates to an exposed simple steel-pull-beam cable-stayed bridge cable tower anchoring structure.
Background
The steel anchor box and the steel anchor beam are widely applied to the connection of the cable-stayed bridge cable tower of the highway and railway long span, have the characteristics of high rigidity and reliable force transmission, along with the gradual application in the highway and railway bridge, the traditional steel anchor box and the steel anchor beam are composed of brackets, anchor beams and steel cross beams, and in order to reduce the horizontal force borne by the bridge tower, the steel cross beams usually need larger size according to the rigidity distribution principle, the steel consumption is larger, the integral hoisting weight and the assembly welding processing workload are larger, and the economical efficiency and the construction convenience of the bridge tower are seriously influenced.
Disclosure of Invention
The utility model aims to provide an exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure.
The technical scheme of the utility model is as follows: the utility model provides an exposed simple and easy steel draw beam cable-stay bridge cable-stay tower anchor structure, includes the bridge tower, bridge tower outer wall department is provided with the anchor roof beam, the anchor roof beam includes fixed anchor roof beam and activity anchor roof beam, fixed anchor roof beam and activity anchor roof beam all set up in connecting the two into a holistic steel crossbeam, the steel crossbeam undertakes the horizontal component between fixed anchor roof beam, the activity anchor roof beam.
Furthermore, the steel beam comprises two webs and a diaphragm plate, and the two webs are used as webs of the anchoring beam at the same time.
Furthermore, the diaphragm plate is arranged between the two webs, and the two webs and the plurality of diaphragm plates enclose the steel grating chamber.
Further, the fixed anchor beam is connected with the bridge tower concrete through the shear nails, so that the fixed anchor beam is fixed to the outer wall of the bridge tower.
Furthermore, a guide steel plate is arranged at the outer wall of the bridge tower corresponding to the movable anchoring beam, the guide steel plate is enclosed to form a guide installation cavity, and the movable anchoring beam is arranged in the guide installation cavity.
Furthermore, the number of the guide steel plates is four, and the guide steel plates are connected with bridge tower concrete through shear nails.
Further, the anchoring beam comprises a top plate at the top, a bottom plate at the bottom and side plates enclosing to form four side walls.
Furthermore, the movable anchoring beam further comprises polytetrafluoroethylene layers arranged on the outer walls of the top plate, the bottom plate and the side plates, a stainless steel plate layer is arranged on the outer wall of the polytetrafluoroethylene layer, and the stainless steel plate layer is in contact with the guide steel plate.
Furthermore, the end part of the web plate is provided with an end plate, and the end plate is provided with an anchoring structure of a stay cable.
The anchoring beam of the utility model decomposes the cable force of the stayed-cable into vertical force and horizontal force, the vertical force is born by bridge tower concrete, the horizontal force is born by the steel beam, the anchoring end of the stayed-cable bridge is arranged outside the bridge tower, the whole width of the anchoring structure of the cable tower can be reduced, thereby reducing the consumption of steel, the anchoring beam adopts a structural system with one end fixedly connected and the other end movable, the horizontal force born by the bridge tower can be reduced, and the cracking risk of the bridge tower concrete can be reduced. The utility model adopts a simple steel tie beam anchoring structure, has lighter weight, is convenient to install, and has better economy and construction convenience.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of the installation of the bearing plate in the present invention;
FIG. 5 is a schematic view of the installation of the splice bar of the present invention;
wherein:
100 overhanging beam 101 anchor backing plate
102 bearing plate 103
104 end plate 200 anchoring beam
201 top plate 202 bottom plate
203 side plate 204 stiffener
205 stainless steel sheet layer 206 teflon layer
300 steel beam 301 web
302 bulkhead 400 splice plates.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 5, the cable-stayed bridge pylon anchoring structure of the exposed simple steel-drawn beam comprises a pylon, wherein an anchoring beam 200 is arranged on the outer wall of the pylon, the anchoring beam 200 comprises a fixed anchoring beam and a movable anchoring beam, the fixed anchoring beam and the movable anchoring beam are both arranged in a steel cross beam 300 which connects the fixed anchoring beam and the movable anchoring beam into a whole, and the steel cross beam 300 bears horizontal component force between the fixed anchoring beam and the movable anchoring beam.
The steel beam 300 comprises two webs 301 and a diaphragm 302, wherein the two webs 301 are used as webs for anchoring the beam 200.
The diaphragm plate 302 is arranged between the two webs 301, and the two webs 301 and the diaphragm plates 302 enclose a steel cell chamber.
The fixed anchoring beam is connected with the bridge tower concrete through the shear nails, so that the fixed anchoring beam is fixed to the outer wall of the bridge tower.
The bridge tower outer wall department corresponds movable anchor roof beam position and sets up the direction steel sheet, the direction steel sheet encloses to close and forms the direction installation cavity, movable anchor roof beam sets up in the direction installation cavity.
The four guide steel plates are connected with the bridge tower concrete through shear nails.
The anchoring beam 200 comprises a top plate 201 at the top, a bottom plate 202 at the bottom and side plates 203.
The movable anchoring beam further comprises a polytetrafluoroethylene layer 206 arranged on the outer walls of the top plate 201, the bottom plate 202 and the side plates 203, a stainless steel plate layer 205 is arranged on the outer wall of the polytetrafluoroethylene layer 206, and the stainless steel plate layer 205 is in contact with the guide steel plate.
The end part of the web plate 301 is provided with an end plate 104, and the end plate 104 is provided with an anchoring structure of a stay cable.
Preferably, the anchoring beam 200 is provided with a stiffener 204 to reinforce it.
The anchoring structure of the stay cable comprises a supporting plate 103 arranged on an end plate 104, a bearing plate 102 is arranged on the supporting plate 103, an anchor backing plate 101 is arranged on one side of the bearing plate 102, and the stay cable penetrates through the anchor backing plate.
The cable force of the stay cable is transmitted to the end plate 104 through the anchor backing plate 101, the bearing plate 102 and the bearing plate 103, further, the anchor beam 200 is connected with the bridge tower concrete through the shear nail, the cable force of the stay cable is converted into a vertical component force and a horizontal component force through the anchor beam 200, and the anchor beam 100 transmits the vertical component force and the horizontal component force to the wall of the bridge tower and the steel beam 300 respectively.
Outrigger 100 has contained suspension cable anchor end device, through setting up anchor at the bridge tower outside, sets up suspension cable stretch-draw end on the roof beam, can reduce the whole width of cable tower anchor structure, outrigger 100 is main bearing member, and outrigger 100 is a simple and easy cable tower anchor structure, the construction of being convenient for.
The main bearing member of the cable tower anchoring structure is a web plate 301, the structure is simple, the assembly is easy, the steel consumption is small, the weight is light, the cable tower anchoring structure is suitable for integral hoisting, the stress is clear and reasonable, and the cable tower anchoring structure has good economy and construction convenience.
The bridge tower is movably connected with the movable anchoring beam, and space constraint between the movable anchoring beam and the fixed anchoring beam is not limited. Through setting up the expansion end, can reduce the bridge tower and bear the horizontal force, and bear the cable force of suspension cable by the outrigger, reduce bridge tower concrete fracture risk.
And four fixing surfaces are arranged between the fixed anchoring beam and the bridge tower concrete.
Yet another embodiment
The utility model provides a simple and easy steel draw beam cable-stay bridge pylon anchor structure of exposed, includes the bridge pylon, bridge pylon outer wall department is provided with anchor beam 200, anchor beam 200 includes fixed anchor beam and activity anchor beam, fixed anchor beam and activity anchor beam all set up in connecting the two into a holistic steel crossbeam 300, steel crossbeam 300 undertakes the horizontal component force between fixed anchor beam, the activity anchor beam.
The steel beam 300 comprises two webs 301 and a diaphragm 302, wherein the two webs 301 are used as webs for anchoring the beam 200.
The diaphragm plate 302 is arranged between the two webs 301, and the two webs 301 and the diaphragm plates 302 enclose a steel cell chamber.
The fixed anchoring beam is connected with the bridge tower concrete through the shear nails, so that the fixed anchoring beam is fixed to the outer wall of the bridge tower.
The bridge tower outer wall department corresponds movable anchor roof beam position and sets up the direction steel sheet, the direction steel sheet encloses to close and forms the direction installation cavity, movable anchor roof beam sets up in the direction installation cavity.
The four guide steel plates are connected with the bridge tower concrete through shear nails.
The anchoring beam 200 comprises a top plate 201 at the top, a bottom plate 202 at the bottom and side plates 203.
The movable anchoring beam further comprises a polytetrafluoroethylene layer 206 arranged on the outer walls of the top plate 201, the bottom plate 202 and the side plates 203, a stainless steel plate layer 205 is arranged on the outer wall of the polytetrafluoroethylene layer 206, and the stainless steel plate layer 205 is in contact with the guide steel plate.
The end part of the web plate 301 is provided with an end plate 104, and the end plate 104 is provided with an anchoring structure of a stay cable.
Preferably, the anchoring beam 200 is provided with a stiffener 204 to reinforce it.
The fixing structure of the stay cable comprises a support plate 103 arranged on an end plate 104, a bearing plate 102 is arranged on the support plate 103, an anchor backing plate 101 is arranged on one side of the bearing plate 102, and the stay cable penetrates through the anchor backing plate.
The cable force of the stay cable is transmitted to the end plate 104 through the anchor backing plate 101, the bearing plate 102 and the bearing plate 103, further, the anchor beam 200 is connected with the bridge tower concrete through the shear nail, the cable force of the stay cable is converted into a vertical component force and a horizontal component force through the anchor beam 200, and the anchor beam 100 transmits the vertical component force and the horizontal component force to the wall of the bridge tower and the steel beam 300 respectively.
The main bearing member of the cable tower anchoring structure is a web plate 301, the structure is simple, the assembly is easy, the steel consumption is small, the weight is light, the cable tower anchoring structure is suitable for integral hoisting, the stress is clear and reasonable, and the cable tower anchoring structure has good economy and construction convenience.
The bridge tower is movably connected with the movable anchoring beam, and space constraint between the movable anchoring beam and the fixed anchoring beam is not limited. Through setting up the expansion end, can reduce the bridge tower and bear the horizontal force, and bear the cable force of suspension cable by the outrigger, reduce bridge tower concrete fracture risk.
When the steel beam 300 is heavy and large in size, a butt-joint structural mode can be adopted.
Correspondingly, the web 301 is changed from two webs in the previous embodiment to four webs, wherein the webs 301 are spliced two by two, a splice plate 400 is arranged on the side wall of the web 301, and the two webs 301 are connected into a whole by the splice plate 400.
Further, the free end of the web plate 301 is provided with a diaphragm plate 302, and the diaphragm plates 302 on the two sides are attached and fixed, so that the left and right steel beams 300 are reinforced.
The fixing manner between the splice plate 400 and the web 301 can be, but is not limited to, bolt and nut fixing.
The anchoring beam of the utility model decomposes the cable force of the stayed-cable into vertical force and horizontal force, the vertical force is born by bridge tower concrete, the horizontal force is born by the steel beam, the anchoring end of the stayed-cable bridge is arranged outside the bridge tower, the whole width of the anchoring structure of the cable tower can be reduced, thereby reducing the consumption of steel, the anchoring beam adopts a structural system with one end fixedly connected and the other end movable, the horizontal force born by the bridge tower can be reduced, and the cracking risk of the bridge tower concrete can be reduced. The utility model adopts a simple steel tie beam anchoring structure, has lighter weight, is convenient to install, and has better economy and construction convenience.
Claims (9)
1. The utility model provides a simple and easy steel draw beam cable-stay bridge pylon anchor structure of exposed which characterized in that: the bridge tower is characterized in that an anchoring beam (200) is arranged on the outer wall of the bridge tower, the anchoring beam (200) comprises a fixed anchoring beam and a movable anchoring beam, the fixed anchoring beam and the movable anchoring beam are both arranged in a steel cross beam (300) which connects the fixed anchoring beam and the movable anchoring beam into a whole, and the steel cross beam (300) bears horizontal component force between the fixed anchoring beam and the movable anchoring beam.
2. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 1, characterized in that: the steel beam (300) comprises two webs (301) and a diaphragm plate (302), and the two webs (301) are used as webs of the anchoring beam (200) at the same time.
3. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 2, characterized in that: the diaphragm plates (302) are arranged between the two webs (301), and the two webs (301) and the plurality of diaphragm plates (302) enclose a synthetic steel grid chamber.
4. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 1, characterized in that: the fixed anchoring beam is connected with the bridge tower concrete through the shear nails, so that the fixed anchoring beam is fixed to the outer wall of the bridge tower.
5. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 1, characterized in that: the bridge tower outer wall department corresponds movable anchor roof beam position and sets up the direction steel sheet, the direction steel sheet encloses to close and forms the direction installation cavity, movable anchor roof beam sets up in the direction installation cavity.
6. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 5, characterized in that: the four guide steel plates are connected with the bridge tower concrete through shear nails.
7. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 6, characterized in that: the anchoring beam (200) comprises a top plate (201) at the top, a bottom plate (202) at the bottom and side plates (203).
8. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 7, characterized in that: the movable anchoring beam further comprises a polytetrafluoroethylene layer (206) arranged on the outer walls of the top plate (201), the bottom plate (202) and the side plate (203), a stainless steel plate layer (205) is arranged on the outer wall of the polytetrafluoroethylene layer (206), and the stainless steel plate layer (205) is in contact with the guide steel plate.
9. The exposed simple steel-stayed-beam cable-stayed bridge cable tower anchoring structure according to claim 2, characterized in that: the end part of the web plate (301) is provided with an end plate (104), and the end plate (104) is provided with an anchoring structure of a stay cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821767.6U CN215593682U (en) | 2021-04-21 | 2021-04-21 | Exposed simple steel pull beam cable-stayed bridge cable tower anchoring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821767.6U CN215593682U (en) | 2021-04-21 | 2021-04-21 | Exposed simple steel pull beam cable-stayed bridge cable tower anchoring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593682U true CN215593682U (en) | 2022-01-21 |
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ID=79871920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120821767.6U Active CN215593682U (en) | 2021-04-21 | 2021-04-21 | Exposed simple steel pull beam cable-stayed bridge cable tower anchoring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593682U (en) |
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2021
- 2021-04-21 CN CN202120821767.6U patent/CN215593682U/en active Active
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