CN117166538B - Prestressed anchor cable tube and suspension tunnel tube - Google Patents
Prestressed anchor cable tube and suspension tunnel tube Download PDFInfo
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- CN117166538B CN117166538B CN202311144887.7A CN202311144887A CN117166538B CN 117166538 B CN117166538 B CN 117166538B CN 202311144887 A CN202311144887 A CN 202311144887A CN 117166538 B CN117166538 B CN 117166538B
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- 239000000725 suspension Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 60
- 239000010959 steel Substances 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 14
- 238000005452 bending Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003938 response to stress Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a pipe joint connector structure of a prestressed anchor cable suspension tunnel, which is connected with a prestressed anchor cable through a group of bearing rings arranged in the circumferential direction, wherein the bearing rings arranged on the pipe joint connector are different in size, are staggered on the pipe joint connector, and have proper gaps, so that the structural form of the bearing rings is changed, the bearing capacity, especially the torsion resistance, of the bearing rings is enhanced, and the requirements of stress and displacement deformation between pipe joints of the suspension tunnel under complex environmental load and working load can be met. The device can better cope with the complexity and diversity of the crossing problem of deep water and wide water, effectively enhance the compressive capacity of the structure, simultaneously enhance the torsion resistance of the structure, and play a good role in protecting the suspended tunnel. The pre-stress anchor cable is additionally arranged, so that the bending resistance and the torsion resistance of the structure can be greatly improved, meanwhile, the structure type is simple, the safety performance of the whole structure can be effectively improved, and the structural damage is avoided.
Description
Technical Field
The invention relates to the technical field of suspension tunnel equipment, in particular to a prestressed anchor cable tube and a suspension tunnel tube.
Background
The cross-sea suspended tunnel (Submerged Floating Tunnel, SFT for short), also called Archimedes bridge or PDA bridge, is a new building structure capable of crossing various waters such as strait, bay, lake, etc., and can be used for various land vehicles and pedestrians to pass through, and can also be used for laying various pipelines and cables. The method has the advantages of good compatibility to environmental conditions, small influence on ecological environment, small navigation interference to a water channel, strong traffic and transportation capability, relatively low construction cost and the like, and has very broad application prospect. In the past decades, suspension tunnels have been focused and studied by expert students in various countries because of their excellent functionality, but until now, no practical engineering of cross-sea suspension tunnels has been established or established worldwide, and related theoretical studies have not formed a systematic and complete system. The heavy core scientific problems such as the stress characteristics of the whole pipe joint structure of the suspension tunnel under the complex sea condition, the structural stability of the structural support system under the extreme environmental load, the pipe joint form, the stress response characteristic of the pipe joint form and the like still need to be broken through, and a series of engineering technical problems such as deep water complex environment construction process, equipment manufacturing, engineering risk, health monitoring, scientific research management, structural safety grade evaluation and the like. In the urgent need to solve, the design of the pipe joint connection structure is a vital link of all underwater structures including the suspension tunnel. At present, related research at home and abroad mainly focuses on underwater structures such as immersed tunnel, shield tunnel and the like, and research reports about a connecting mode between pipe joints of a suspension tunnel are rarely seen.
For example, the immersed tube tunnel is divided into an intermediate joint, a shore joint and a final joint according to the position of the immersed tube tunnel, and a flexible joint and a rigid joint according to the form of the immersed tube tunnel. Typically, the intermediate joint is a flexible joint, while the shore joint and the final joint are mainly rigid joints. However, the pipe joint of the suspension tunnel cannot handle the mode of the immersed tunnel, because the suspension tunnel and the immersed tunnel are underwater structures, but the working environments of the suspension tunnel and the immersed tunnel are not slightly different.
The suspended tunnel is usually arranged in a water area with a depth of tens of meters, fluid loads such as waves, ocean currents, traveling waves and the like exist on the outer side of the tunnel, moving loads such as trains, automobiles, pedestrians and the like exist on the inner side of the tunnel, and the stress condition among tunnel pipe joints is extremely complex under the combined action of various factors. Under the condition, if the rigid joint is selected, the joint of the pipe joint can bear high internal force, so that the joint structure is damaged; if the flexible joint is selected, larger displacement and deformation occur at the joint, so that the leakage of the flexible joint causes the problem of structural safety. While immersed tube tunnels are typically built into the ground, the loads and deformations to which they are subjected are not as complex as those of a suspended tunnel, so a single rigid or flexible joint is not suitable for a suspended tunnel. While in the construction of the bridge of port Zhuhai and Macao, the concept of a semi-rigid joint was innovatively proposed.
Large offshore floating structures (VERY LARGE Floating Structures, VLFS) are those of kilometer scale, and because of the large scale of VLFS it is obviously not possible to make them in one piece, VLFS is necessarily a modular structure, requiring the individual modules to be connected by specially designed connecting members. The scholars at home and abroad also develop researches on the VLFS connecting members, and the displacement and movement modes of the connecting members are similar to those of the suspension tunnel because the working environment of VLFS is also influenced by waves and ocean currents. However, because the basic structural form, the dimension and the working environment still have certain differences, the form of the connecting member cannot directly meet the requirement of the suspension tunnel.
The current research and other inventions on the suspension tunnel connecting member are mostly based on the improvement of the immersed tube tunnel joint form, and are not designed for the specific load working condition and movement form of the suspension tunnel joint. Therefore, a novel connecting structure suitable for the pipe joints of the suspension tunnel is designed, the requirements of the structure on relative movement and stress are met under the action of composite load, and meanwhile, the water tightness and the shock absorption performance between the pipe joints are ensured.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a prestressed anchor cable pipe, which structure enhances the load-bearing capacity of the pipe joint.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The invention provides a prestressed anchor cable pipe, which comprises a first pipe joint, a second pipe joint, a joint structure and a prestressed anchor cable;
The joint structure is arranged between the first pipe joint and the second pipe joint;
One end of the pre-stressed anchor cable is arranged on the first pipe joint, penetrates through the joint structure and then is connected with the second pipe joint, and connecting assemblies used for fixed connection are arranged at two ends of the pre-stressed anchor cable.
Further, the joint structure comprises a first joint foundation, a second joint foundation, a first end steel shell, a water stopping component and a second end steel shell;
One end of the first pipe joint is connected with one end face of the first joint foundation, and the other end face of the first joint foundation is connected with one end of the first end steel shell;
one end of the second pipe joint is connected with one end face of the second joint foundation, and the other end face of the second joint foundation is connected with one end of the second end steel shell;
A water stopping material ring is arranged between the other end of the first end steel shell and the other end of the second end steel shell;
one end of the pre-stressed anchor cable is arranged on the first pipe joint and penetrates through the first joint foundation, the first end steel shell, the water stopping part, the second end steel shell and the second joint foundation to be connected with the second pipe joint, and anchoring assemblies used for fixed connection are arranged at two ends of the pre-stressed anchor cable.
Further, the connecting components are connected in an anchoring mode or a riveting mode.
Further comprises a group of bearing rings with different diameters which are coaxially arranged, the bearing rings are arranged at the inner side of the joint structure along the annular direction of the pipe joint,
Further, the bearing ring comprises a first bearing ring and a second bearing ring; the first bearing ring and the second bearing ring are arranged between the first joint foundation and the second joint foundation, and are coaxially arranged at intervals.
Further, the diameter of the first bearing ring is larger than that of the second bearing ring, the first bearing ring is close to the inner sides of the first end steel shell and the second end steel shell, and a space is reserved between the first bearing ring and the inner side of the first end steel shell.
Further, the prestress anchor cable is arranged between the first bearing ring and the inner sides of the first end steel shell and the second end steel shell.
Further, the water-stopping material ring is made of high-performance water-stopping materials.
The invention provides a suspension tunnel pipe, which is characterized in that: the prestressed anchor cable pipe joint structure at least comprises two prestressed anchor cable pipe joint structures which are connected in sequence.
The invention has the beneficial effects that:
The invention provides a prestress anchor cable pipe, which is characterized in that a pipe main body is divided into a head part and a tail part, the head part and the tail part are not directly connected, but are connected with a prestress anchor cable through a group of bearing rings arranged in the circumferential direction, wherein the bearing rings arranged on the base of a pipe joint are different in size, are staggered on the base of the pipe joint, and have proper gaps. Compared with the traditional immersed tube tunnel joint, the immersed tube tunnel joint changes the structural form of the bearing ring, enhances the bearing capacity, especially the torsion resistance, combines a plurality of composite water stop structures, and can meet the stress and displacement deformation requirements of the underwater suspended tunnel pipe joints under complex environmental loads and working loads.
The pipe joint connector structure adopts a plurality of water stop structures, the water stop structures are combined with each other, so that when the pipe fitting moves relatively, the leakage between the pipe joints caused by failure of the water stop structures can be avoided, and the water tightness requirement between the pipe joints of the suspension tunnel is met.
The pipe joint structure adopts a semi-flexible and semi-rigid structural form thought, ensures the relative movement and deformation between pipe joints, prevents excessive displacement between the pipe joints, and can better cope with the complexity and diversity of the crossing problem of deep water and wide water.
The pipe joint connector structure adopts a prestress anchor cable structure, so that the anti-torsion capability of the structure can be enhanced while the pressure resistance of the structure is effectively enhanced, and a good protection effect is achieved on a suspension tunnel.
According to the cross-sea suspension tunnel pipe joint connector, the prestress anchor cable is additionally arranged aiming at the bending resistance and the torsion resistance, the structural prestress of the member fully or partially counteracts the tensile stress caused by the load, the bending resistance and the torsion resistance of the structure can be greatly improved, meanwhile, the structural style is simple, the safety performance of the structure can be greatly improved, and the structural damage is avoided. Meanwhile, the prestressed anchor cable penetrates through the joint of the pipe joint, and two ends of the prestressed anchor cable penetrate out of the middle of the pipe joint to be fixed respectively, so that leakage caused by unstable pouring at the joint foundation connection position is prevented; secondly, the excessive construction difficulty of the steel stranded wires at the joint is prevented, and meanwhile, the construction cost is reduced; thirdly, the end part of the prestressed anchor cable adopts claw shape, so that the stability of the structure can be effectively enhanced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
fig. 1 is a schematic perspective view of a claw-shaped prestressed anchor cable suspension tunnel pipe joint structure.
Fig. 2 is a cross-sectional view of a joint structure of claw-shaped prestressed anchor cable joints.
Fig. 3 is a schematic view of the joint connection of claw-shaped prestressed anchor cable joints.
Fig. 4 is a schematic perspective view of a joint connection of claw-shaped prestressed anchor cable joints.
Fig. 5 is a cross-sectional view of a claw-shaped prestressed anchor cable suspension tunnel pipe joint structure.
Fig. 6 is a plan view of a claw-shaped prestressed anchor cable suspension tunnel pipe joint structure.
Fig. 7 is an internal and external comprehensive view of a claw-shaped prestressed anchor cable suspension tunnel pipe joint structure.
In the figure, the first pipe joint 11-first pipe joint 12-second pipe joint 21-first joint foundation, the second joint foundation 22-second joint foundation 31-first end steel shell 32-second end steel shell 4-water stopping part 51-first bearing ring 52-second bearing ring 6-prestressed anchor cable 7-nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the invention, so that those skilled in the art may better understand the invention and practice it.
As shown in fig. 1, the prestressed anchor cable pipe joint provided in this embodiment is used for connecting into a suspension tunnel pipe, where the pipe joint connects different pipe joints through a joint structure, and the prestressed anchor cable pipe joint includes a first pipe joint, a second pipe joint, a first joint foundation, a second joint foundation, a first end steel shell, a water stopping component, a second end steel shell, a first bearing ring, a second bearing ring, and a prestressed anchor cable;
one end of the first pipe joint is connected with one end face of the first joint foundation, and the other end face of the first joint foundation is connected with one end of the first end steel shell; the first joint foundation and the second joint foundation are the foundation of the whole pipe joint and are required to be connected with the pipe joint, the first bearing ring, the second bearing ring and the end steel shell in a pouring mode through reinforcing steel bars in the first joint foundation and the second joint foundation.
One end of the second pipe joint is connected with one end face of the second joint foundation, and the other end face of the second joint foundation is connected with one end of the second end steel shell;
A water stopping material ring is arranged between the other end of the first end steel shell and the other end of the second end steel shell;
one end of the water stopping material is connected with the end steel shell through strong glue, and the other end of the water stopping material is pre-pressed to a certain degree through hydraulic crimping during installation.
The end steel shell is used as an important water stopping structure for installing the GINA water stopping belt, is arranged on the pipe joint foundation and is formed by welding a steel plate and profile steel, and is anchored in pipe joint foundation concrete and is integrated with the pipe joint foundation concrete.
As shown in fig. 2 and 3, one end of the pre-stressed anchor cable is arranged on the first pipe joint, penetrates through the joint structure and is connected with the second pipe joint, and connecting assemblies for fixing two ends of the pre-stressed anchor cable on the first pipe joint and the second pipe joint respectively are arranged at two ends of the pre-stressed anchor cable.
In this embodiment, one end of the prestressed anchor cable is arranged on the first pipe joint and penetrates through the first joint foundation, the first end steel shell, the water stopping component, the second end steel shell and the second joint foundation to be connected with the second pipe joint, and two ends of the prestressed anchor cable are provided with connecting components for fixed connection.
Meanwhile, the first pipe joint is further provided with a pre-stressed anchor rope for connecting the next pipe joint, the second pipe joint is further provided with a pre-stressed anchor rope for connecting the next pipe joint, the fixed ends of the pre-stressed anchor ropes on the first pipe joint or the second pipe joint are uniformly distributed at intervals, the pre-stressed anchor ropes are used for applying pre-stress to offset tensile stress caused by loads, two ends of the pre-stressed anchor ropes are provided with anchoring assemblies for fixed connection, the connecting assemblies are connected in an anchoring mode or a riveting mode, the anchoring mode is connected by bolts, and the bolts are fasteners consisting of nuts (heads) and screws.
The prestressed anchor cable is arranged between the first end steel shell, the second end steel shell and the first bearing ring gap, and is connected with the joint foundation and the pipe joint in a pouring mode.
The prestress anchor cable is arranged between the first bearing ring and the inner side of the first end steel shell, the second end steel shell or the water stopping part;
The first joint foundation, the first end steel shell, the water stopping component, the second end steel shell and the second joint foundation are sequentially connected to form a connecting structure for connecting the first pipe joint and the second pipe joint;
The first bearing ring and the second bearing ring are arranged between the first joint foundation and the second joint foundation, the first bearing ring and the second bearing ring are coaxially arranged at intervals, the diameter of the first bearing ring is larger than that of the second bearing ring, the first bearing ring is close to the inner sides of the first end steel shell and the second end steel shell, and an interval is reserved between the first bearing ring and the inner side of the first end steel shell;
The first bearing rings and the second bearing rings are arranged on the joint base in a staggered manner, appropriate displacement gaps are reserved in the middle of the first bearing rings and the second bearing rings, the joint is guaranteed to have deformability in a certain range, tangential load and axial load borne by the joint of the pipe joints are borne, tangential displacement and axial displacement between the pipe joints are limited, and water tightness failure caused by overlarge displacement of the joint is prevented to a great extent.
The water-stopping material ring is a water-stopping component made of high-performance water-stopping materials and is used for preventing water leakage of the pipe joint; the water stopping material can be made of GINA rubber material.
The joint foundation is made of concrete materials and plays a role in installing other components of the pipe joint and connecting the pipe joint;
As shown in fig. 4 and 5, the pre-stressed anchor cable is inserted between the pipe joint and the pipe joint connector, and is claw-shaped to form claw-shaped pre-stressed anchor cable, so that the safety of the whole result of the suspension tunnel is improved; the prestressed anchor cable in the embodiment penetrates through the pipe joint connector, and two ends of the prestressed anchor cable penetrate out of the pipe joint respectively to be fixed;
The prestressed anchor cable in the embodiment can be better attached above the pipe joint by adopting the claw-shaped structure, so that the prestressed anchor cable is prevented from falling off or sliding, the prestressed anchor cable can be better fixed, and the stability of the structure is further improved.
The joint pre-stress anchor cable is started in the middle of the first pipe joint, penetrates through the joint of the pipe joint and is stopped in the middle of the second pipe joint, and the pre-stress anchor cable mainly applies certain pre-pressurizing stress to the structure, so that tensile stress caused by load is reduced or counteracted, cost can be reduced to a certain extent without penetrating through the whole pipe, and meanwhile, the claw-shaped structure can be effectively enhanced in stability.
The first end steel shell and the second end steel shell are respectively positioned at the head and the tail of the pipe joint connector and are used for bearing the radially outermost high-performance water stopping material of the connector;
the first bearing rings and the second bearing rings are arranged on the basis of the pipe joint connector in a staggered manner, and a proper displacement gap is reserved in the middle;
the high-performance water-stopping material in the embodiment is arranged on the end steel shell of the pipe joint connector, the high-performance water-stopping material and the prestressed anchor cable are arranged between the supporting bearing rings, and the end steel shell, the water-stopping structure and the prestressed anchor cable are combined to bear radial load, axial load, torsion load and displacement and vibration generated by the suspended tunnel; the water-stopping material between the end steel shell at the outermost layer and the end steel shell can resist partial torsion load and axial load while guaranteeing the water-stopping capability between the structural pipe joints.
The pipe joint connector in this embodiment is used for striding sea suspension tunnel pipe joint and connects, compares with traditional immersed tube tunnel coupling, and the first or second bearing ring of traditional immersed tube tunnel improves and expands, sets up hoop bearing ring and prestressed anchorage cable, can let the suspension tunnel keep the stability of structure under complicated marine environment load, guarantees the water proofness and the shock attenuation nature of structure simultaneously.
As shown in fig. 5 and 6, the pre-stressed anchor cable pipe joint can be used for constructing a suspended tunnel pipe, and the suspended tunnel pipe is formed by connecting at least two pre-stressed anchor cable pipe joints which are connected in sequence in series, and the suspended tunnel pipe is constructed according to the following steps:
Firstly, setting a bearing ring structure, arranging the bearing ring between the end faces of the front section pipe joint and the rear section pipe joint, and ensuring that the pipe joints of the suspension tunnel do not generate excessive relative displacement under the load action in all directions;
Secondly, set up the stagnant water part in the holding ring department, set up promptly in tube coupling gomphosis department (holding ring), set up the end steel shell respectively at stagnant water part both ends face, under the circumstances that the hydraulic crimping is accomplished to the joint, ensure the water tightness of tube coupling joint, reduce rigidity, vibration and the motion acceleration of joint, convert rigid joint into semi-rigid semi-flexible joint to reinforcing tube coupling joint's structural reliability, ensure tube coupling joint's shock attenuation nature.
Then, paving, arranging prestress anchor cables at intervals at the positions of two adjacent sections of pipe joints and the bearing rings, and fixing the joints of the anchor cables and the prestress bearing foundations of the pipe joints by nuts and gaskets;
Finally, arranging a first joint foundation and a second joint foundation on the front section of pipe joint and the rear section of pipe joint, arranging a pre-stress anchor cable at the first joint foundation and the second joint foundation, and presetting a certain compressive stress at the joint between the pipe joints and fixing the pipe joints; the prestressed anchor cable is tensioned, so that the prestressed anchor cable exerts a tensioning effect on the adjacent pipe section structure sections, the width of the joint structure seam is reduced, and the water stop belt is subjected to set sealing pressure; can strengthen the antitorque commentaries on classics ability of structure, guarantee the stability of structure, first joint basis and second joint basis also can effectively prevent that prestressed anchorage cable from loading too greatly and destroying and leading to the fact the influence to the normal operating of tube coupling joint.
According to the cross-sea suspension tunnel pipe joint connector, the prestress anchor cable is additionally arranged aiming at the bending resistance and the torsion resistance, the structural prestress is fully or partially offset the tensile stress caused by the load, the bending resistance and the torsion resistance of the structure can be greatly improved, meanwhile, the structural style is simple, the safety performance of the structure can be greatly improved, and structural damage is avoided. Meanwhile, the prestressed anchor cable penetrates through the joint of the pipe joint, and two ends of the prestressed anchor cable penetrate out of the middle of the pipe joint to be fixed respectively, so that leakage caused by unstable pouring at the joint foundation connection position is prevented; secondly, the excessive construction difficulty of the steel stranded wires at the joint is prevented, and meanwhile, the construction cost is reduced; thirdly, the end part of the prestressed anchor cable adopts claw shape, so that the stability of the structure can be effectively enhanced.
The claw-shaped pre-stress anchor cable suspension tunnel pipe joint connector structure provided by the embodiment has good loading stability and deformability, can meet the rigidity and strength requirements when the underwater suspension tunnel pipe joint is subjected to displacement deformation in a complex marine environment, can ensure the water tightness of the pipe joints, and can avoid leakage caused by mutual dislocation.
The bearing ring structure of the embodiment ensures that the suspended tunnel pipe joint does not generate excessive relative displacement under the load action in all directions. The high-performance water stopping material is arranged on the end steel shell, under the condition that hydraulic crimping is completed by the joint, the water tightness of the pipe joint is guaranteed, the rigidity, vibration and motion acceleration of the joint are reduced, the rigid joint is converted into a semi-rigid semi-flexible joint, and therefore the structural reliability of the pipe joint is enhanced, and the shock absorption of the pipe joint is guaranteed. The prestressed anchor cable is arranged between the pipe joint and the pipe joint connector, a certain tensile force is preset on the pipe joint and the pipe joint connector, the torsion resistance of the structure is enhanced, and two ends of the anchor cable respectively penetrate out of the middle of the pipe joint and are fixed.
And meanwhile, when the pipe joint is relatively dislocated, the high-performance water-stopping material is extruded, so that the water is buffered and damped. The prestressed anchor cable is arranged between the pipe joint and the pipe joint, a certain compressive stress is preset for the structure, the torsion resistance of the structure is enhanced, and the effective protection effect on the suspension tunnel is achieved.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The utility model provides a prestressed anchorage cable pipe which characterized in that: the device comprises a first pipe joint, a second pipe joint, a joint structure and a prestressed anchor cable;
the joint structure is arranged between the first pipe joint and the second pipe joint;
One end of the pre-stressed anchor cable is arranged on the first pipe joint, penetrates through the joint structure and then is connected with the second pipe joint, and connecting assemblies for fixed connection are arranged at two ends of the pre-stressed anchor cable;
The joint structure comprises a first joint foundation, a second joint foundation, a first end steel shell, a water stopping component and a second end steel shell;
One end of the first pipe joint is connected with one end face of the first joint foundation, and the other end face of the first joint foundation is connected with one end of the first end steel shell;
one end of the second pipe joint is connected with one end face of the second joint foundation, and the other end face of the second joint foundation is connected with one end of the second end steel shell;
A water stopping material ring is arranged between the other end of the first end steel shell and the other end of the second end steel shell;
One end of the pre-stressed anchor cable is arranged on the first pipe joint and penetrates through the first joint foundation, the first end steel shell, the water stopping part, the second end steel shell and the second joint foundation to be connected with the second pipe joint, and two ends of the pre-stressed anchor cable are provided with anchoring assemblies for fixed connection; the end part of the prestressed anchor cable is claw-shaped.
2. The pre-stressed anchor line pipe of claim 1, wherein: the connecting component is a bolt.
3. The pre-stressed anchor line pipe of claim 1, wherein: the pipe joint structure further comprises a group of bearing rings which are coaxially arranged and have different diameters, and the bearing rings are arranged on the inner side of the joint structure along the annular direction of the pipe joint.
4. The pre-stressed anchor line pipe of claim 3, wherein: the bearing rings comprise a first bearing ring and a second bearing ring; the first bearing ring and the second bearing ring are respectively arranged between the first joint foundation and the second joint foundation, and are coaxially arranged at intervals.
5. The pre-stressed anchor line pipe of claim 4, wherein: the diameter of the first bearing ring is larger than that of the second bearing ring, the first bearing ring is close to the inner sides of the first end steel shell and the second end steel shell, and a space is reserved between the first bearing ring and the inner side of the first end steel shell.
6. The pre-stressed anchor line pipe of claim 4, wherein: the prestress anchor cable is arranged between the first bearing ring and the inner sides of the first end steel shell and the second end steel shell.
7. The pre-stressed anchor line pipe of claim 1, wherein: the water-stopping material ring is a water-stopping component made of high-performance water-stopping materials.
8. Suspension tunnel pipe, its characterized in that: at least comprising two sequentially connected pre-stressed anchor pipes as claimed in any one of claims 1-7, wherein the pre-stressed anchor pipes are connected through a joint structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311144887.7A CN117166538B (en) | 2023-09-06 | 2023-09-06 | Prestressed anchor cable tube and suspension tunnel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311144887.7A CN117166538B (en) | 2023-09-06 | 2023-09-06 | Prestressed anchor cable tube and suspension tunnel tube |
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| Publication Number | Publication Date |
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| CN117166538A CN117166538A (en) | 2023-12-05 |
| CN117166538B true CN117166538B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311144887.7A Active CN117166538B (en) | 2023-09-06 | 2023-09-06 | Prestressed anchor cable tube and suspension tunnel tube |
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| CN115787728A (en) * | 2022-11-22 | 2023-03-14 | 天津大学 | Modular aquatic suspension tunnel |
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2023
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|---|---|---|---|---|
| US10253904B1 (en) * | 2017-11-03 | 2019-04-09 | Cccc Highway Consultants Co., Ltd. | Integrated immersed tube coupling and installation method thereof as well as installation closure method of immersed tube coupling |
| CN113006143A (en) * | 2021-02-09 | 2021-06-22 | 重庆交通大学 | Suspension tunnel tube joint structure |
| CN216275826U (en) * | 2021-11-19 | 2022-04-12 | 重庆交通大学 | Suspension tunnel tube joint structure |
| CN115787728A (en) * | 2022-11-22 | 2023-03-14 | 天津大学 | Modular aquatic suspension tunnel |
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| CN117166538A (en) | 2023-12-05 |
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