CN114075808A - Cable-stayed bridge structure - Google Patents
Cable-stayed bridge structure Download PDFInfo
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- CN114075808A CN114075808A CN202010826132.5A CN202010826132A CN114075808A CN 114075808 A CN114075808 A CN 114075808A CN 202010826132 A CN202010826132 A CN 202010826132A CN 114075808 A CN114075808 A CN 114075808A
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- cable
- pipeline
- air inlet
- gas
- air outlet
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The application discloses a cable-stayed bridge structure, which comprises a main tower, a main beam and a plurality of stay cables, wherein the first end of each stay cable is connected with the main beam, and the second end of each stay cable is connected with the main tower; the inhaul cable comprises a main body part and a sleeve, wherein the main body part comprises an air inlet pipeline, an air outlet pipeline and a plurality of inhaul cable steel wires, the inhaul cable steel wires are arranged outside the air inlet pipeline in a surrounding mode, air outlet holes are formed in the side wall of the air inlet pipeline, the air outlet pipeline is arranged on the periphery of the inhaul cable steel wires, and the sleeve is sleeved outside the main body part; the dry gas enters the gas inlet pipeline from the first end of the stay cable, an airflow channel for the circulation of the dry gas is formed among the plurality of stay cable steel wires, and the airflow channel is communicated with the gas outlet pipeline at the second end of the stay cable.
Description
Technical Field
The application belongs to the technical field of bridge engineering, and particularly relates to a cable-stayed bridge structure.
Background
A cable-stayed bridge is also called a diagonal tension bridge, is a bridge with a main beam directly pulled on a bridge tower by a plurality of guys, is a structural system formed by combining a pressure-bearing tower, a pulled cable and a bent-bearing beam body, and can be regarded as a multi-span elastic support continuous beam with guys replacing buttresses. The stay cable is the most critical stressed member in the cable-stayed bridge structure, so the durability of the stay cable directly determines the whole service life of the bridge structure, the main factor influencing the durability of the stay cable is the anti-corrosion performance of the stay cable, and the main reason for causing the corrosion of the steel wire of the stay cable is the invasion of rainwater. For the bridge system with complex stress of the cable-stayed bridge, the cost for maintaining and replacing the cable is very high, so the dehumidifying and corrosion preventing measures for the cable are very important. At present, in the prior art, a system for dehumidifying a stay cable is based on the whole cable-stayed bridge, that is, the whole cable-stayed bridge shares one set of dehumidification system, so that the dehumidification effect is not good, and once a certain component of the dehumidification system breaks down, the whole system is likely to face failure.
In view of the above, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The purpose of the embodiment of the application is to provide a cable-stayed bridge structure.
In order to solve the technical problem, the present application is implemented as follows:
the embodiment of the application provides a cable-stay bridge structure, cable-stay bridge structure includes:
a main tower;
a main beam;
a first end of each cable is connected with the main beam, and a second end of each cable is connected with the main tower; the cable includes main part and sleeve pipe, the main part includes:
the cable comprises an air inlet pipeline, an air outlet pipeline and a plurality of cable steel wires, wherein the cable steel wires are arranged outside the air inlet pipeline in a surrounding mode, air outlet holes are formed in the side wall of the air inlet pipeline, the air outlet pipeline is arranged on the periphery of the cable steel wires, and a sleeve is sleeved outside the main body part;
and dry gas enters the gas inlet pipeline from the first end of the inhaul cable, an airflow channel for dry gas to circulate is formed among the plurality of inhaul cable steel wires, and the airflow channel is communicated with the gas outlet pipeline at the second end of the inhaul cable.
Optionally, an anti-corrosion coating is coated between the main body portion and the sleeve.
Optionally, the air outlet pipe is provided in plurality, and the air outlet pipes are communicated with each other at the first end of the inhaul cable.
Optionally, a plurality of air outlet pipelines are uniformly distributed on the periphery of the plurality of stay wire steel wires.
Optionally, an air inlet and an air outlet are arranged near the first end of the inhaul cable, the air inlet is communicated with the air inlet pipeline, and the air outlet is communicated with the air outlet pipeline.
Optionally, the device further comprises a first check valve and a second check valve; the first one-way valve is arranged between the air inlet and the air inlet pipeline, the first one-way valve has an opening state and a closing state, and the first one-way valve is switched to the opening state to enable the air inlet to be communicated with the air inlet pipeline; the first one-way valve is switched to a closed state, so that the air inlet and the air inlet pipeline can be isolated;
the second one-way valve is arranged between the air outlet and the air outlet pipeline, the second one-way valve has an opening state and a closing state, and the second one-way valve is switched to the opening state to enable the air outlet to be communicated with the air outlet pipeline; the second one-way valve is switched to a closed state, so that the air outlet is separated from the air outlet pipeline.
Optionally, the cable further comprises a metal sacrificial block, and the plurality of cable steel wires are connected with the metal sacrificial block at the first end of the cable.
Optionally, at the first end of the cable, a first concrete seal is wrapped outside the cable; near the first end of cable is provided with air inlet and gas outlet, the air inlet all sets up with the gas outlet on the first concrete seal, the air inlet with the admission line intercommunication, the gas outlet with the pipeline intercommunication of giving vent to anger.
Optionally, the cable further comprises a metal sacrificial block, and the plurality of cable steel wires are connected with the metal sacrificial block at the first end of the cable; and an observation port is formed in the position of the concrete sealing piece corresponding to the metal sacrificial block.
Optionally, at the second end of the guy cable, a second concrete seal is wrapped around the exterior of the guy cable.
Optionally, the pull cable further comprises a first restraining ring connected to the sleeve at the first end of the pull cable.
Optionally, the pull cable further comprises a second restraining ring connected to the sleeve at the second end of the pull cable.
Optionally, the system further comprises a gas processing device and a gas conveying device, wherein the gas conveying device comprises a gas supply main pipeline and a gas outlet main pipeline, the gas supply main pipeline is communicated with the gas inlet pipeline, and the gas outlet main pipeline is communicated with the gas outlet pipeline; the gas supply main pipeline and the gas outlet main pipeline are both connected with the gas processing device.
The technical scheme adopted by the application can achieve the following beneficial effects:
in the cable-stayed bridge structure provided by the embodiment of the application, a set of dehumidification system is independently arranged for each cable, so that each cable is ensured to be in a dry environment, and the dehumidification effect is good; and, when a certain set of dehumidification system takes place to damage, can not influence the dehumidification effect of other cables to the maintenance is changed also more conveniently easily to operate.
Drawings
Fig. 1 is a schematic overall structural diagram of a cable-stayed bridge structure provided in an embodiment of the present application;
fig. 2 is a schematic partial structural view 1 of a cable-stayed bridge structure provided in the embodiment of the present application;
fig. 3 is a schematic partial structural view 2 of a cable-stayed bridge structure according to an embodiment of the present application;
fig. 4 is a schematic partial structural view 3 of a cable-stayed bridge structure according to an embodiment of the present application;
fig. 5 is a schematic structural view of an air inlet duct in a cable-stayed bridge structure provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The track transportation system provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Referring to fig. 1 to 5, an embodiment of the present application provides a cable-stayed bridge structure, where the cable-stayed bridge structure includes a main tower 1, a main beam 2, and a plurality of cables 3, a first end of each cable 3 is connected to the main beam 2, and a second end of each cable 3 is connected to the main tower 1; the inhaul cable 3 comprises a main body part and a sleeve 34, the main body part comprises an air inlet pipeline 31, an air outlet pipeline 32 and a plurality of inhaul cable steel wires 33, the plurality of inhaul cable steel wires 33 are arranged outside the air inlet pipeline 31 in a surrounding mode, an air outlet hole 311 is formed in the side wall of the air inlet pipeline 31, the air outlet pipeline 32 is arranged on the periphery of the plurality of inhaul cable steel wires 33, and the sleeve 34 is sleeved outside the main body part; dry gas enters the gas inlet pipeline 31 from the first end of the inhaul cable 3, an airflow channel through which the dry gas circulates is formed among the inhaul cable steel wires 33, and the airflow channel is communicated with the gas outlet pipeline 32 at the second end of the inhaul cable 3.
In the cable-stayed bridge structure provided by the embodiment of the application, when the cable 3 needs to be dehumidified, dry air enters the air inlet pipeline 31 from the first end of the connection between the cable 3 and the main beam 2, the dry air escapes from the air outlet holes 311 formed in the side wall of the air inlet pipeline 31 and is diffused into the cable steel wires 33, and an air flow channel for dry air circulation is formed between the cable steel wires 33; the dry air flows upwards along the air flow channel until the whole guy cable 3 is filled to reach the second end of the guy cable 3 connected with the main tower 1, and the air flow channel is communicated with the air outlet pipeline 32 at the second end, for example, the end of the air outlet pipeline 32 positioned at the main tower 1 is exposed in the air flow channel, so that the dry air passing through the guy cable steel wire 33 is gathered and enters the air outlet pipeline 32, and the dry air completes the dehumidification treatment of the guy cable 3. According to the system, a set of dehumidification system is independently arranged for each inhaul cable 3, so that each inhaul cable 3 is ensured to be in a dry environment, and the dehumidification effect is good; and, when a certain set of dehumidification system takes place to damage, can not influence the dehumidification effect of other cables to the maintenance is changed also more conveniently easily to operate.
In one embodiment, the body portion and the sleeve 34 are coated with an anti-corrosive coating.
Specifically, optionally, the anticorrosive coating can be made of anticorrosive materials such as anticorrosive putty, and the anticorrosive coating is applied to the outside of the main body portion of the cable 3, and then the sleeve 34 is sleeved outside the main body portion. The setting of anticorrosive coating can the invasion of separation external corrosive substance, improves the life of cable 3.
Referring to fig. 4, in one embodiment, the outlet pipe 32 is provided in plurality, and the plurality of outlet pipes 32 are communicated at the first end of the traction cable 3.
Specifically, alternatively, for example, 4 to 6 air outlet pipes 32 may be provided, and a plurality of air outlet pipes 32 may be provided to allow the dehumidified dry air to enter the air outlet pipes 32 quickly and nearby. Generally, after the dry air is dehumidified and collected into the air outlet pipe 32 at the second end connected to the main tower 1, the dry air flows downward along the air outlet pipe 32 and reaches the first end connected to the main beam 2, and then is discharged, so that when a plurality of air outlet pipes 32 are provided, the air outlet pipes 32 are communicated with each other at the first end of the guy cable 3, and the dry air in the air outlet pipes 32 is collected together at the first end, thereby facilitating the discharge of the dry air.
In one embodiment, the plurality of air outlet pipes 32 are uniformly distributed on the periphery of the plurality of stay wires 33.
Specifically, optionally, referring to fig. 4, at the cross section of the inhaul cable 3, 6 air outlet pipes 32 are uniformly distributed on a circumference with the air inlet pipe 31 as a center; the uniform distribution of the outlet duct 32 is more advantageous for the collection of the drying air.
In one embodiment, an air inlet 46 and an air outlet 47 are provided near the first end of the cable 3, the air inlet 46 is communicated with the air inlet pipe 31, and the air outlet 47 is communicated with the air outlet pipe 32.
Alternatively, the outside dry air may be delivered to the air inlet duct 31 through an air delivery duct, and the dehumidified dry air may be exhausted from the air outlet duct 32 through an exhaust duct, for example. The gas transmission pipeline is communicated with the gas inlet pipeline 31, and the gas inlet 46 is arranged on the gas transmission pipeline; the exhaust duct is communicated with the air outlet duct 32, and the air outlet 47 is arranged on the exhaust duct.
Further, in one embodiment, a first check valve 48 and a second check valve 49 are also included; the first check valve 48 is disposed between the intake port 46 and the intake duct 31, the first check valve 48 has an open state and a closed state, and switching the first check valve 48 to the open state allows the intake port 46 to communicate with the intake duct 31; the switching of the first check valve 48 to the closed state may block the intake port 46 from the intake duct 31; the second one-way valve 49 is arranged between the air outlet 47 and the air outlet pipeline 32, the second one-way valve 49 has an open state and a closed state, and the second one-way valve 49 is switched to the open state to enable the air outlet 47 to be communicated with the air outlet pipeline 32; the second check valve 49 is switched to the closed state to block the air outlet 47 from the air outlet pipe 32.
In order to avoid that external impurities enter the inhaul cable 3 through the air inlet 46 and the air outlet 47, the first one-way valve 48 is arranged between the air inlet 46 and the air inlet pipeline 31, the second one-way valve 49 is arranged between the air outlet 47 and the air outlet pipeline 32, the first one-way valve 48 and the second one-way valve 49 belong to normally closed valves, and when air conveying and exhausting actions are not needed, the first one-way valve 48 and the second one-way valve 49 are both in a closed state, so that the inhaul cable 3 can be kept in a relatively closed environment, the inhaul cable 3 does not need to be kept in an air circulation state all the time, and the operation cost is greatly reduced. When the air supply and exhaust operations are required, the first check valve 48 and the second check valve 49 are switched to the open state, so that a sufficient space is ensured for the entry and the discharge of the dry air when the cable 3 is subjected to the circulation dehumidification.
In one embodiment, the cable further comprises a metal sacrificial block 43, and the plurality of cable steel wires 33 are connected with the metal sacrificial block 43 at the first end of the cable 3.
Specifically, the plurality of stay wires 33 penetrate the sleeve 34 at the first end, i.e. are not bound by the sleeve 34 and scattered to be connected with the metal sacrificial block 43, the metal sacrificial block 43 is in direct contact with the stay wires 33 to protect the stay wires 33, and when corrosive substances invade, the metal sacrificial block 43 is corroded firstly. The metal sacrificial block 43 is made of metal which is more active than the stay wire 33, such as metal aluminum, metal magnesium, etc. In addition, the inside condition of cable 3 can also be directly judged through observing the corrosion degree of metal sacrificial block 43 to the convenient processing of making in advance. The monitoring mode is convenient and easy to realize, and the cost is lower.
In one embodiment, a plurality of cable wires 33 can be anchored to the first anchor plate 45 through the sacrificial metal block 43 at the first end of the cable 3, which provides better fixation for the exposed cable wires 33.
In one embodiment, at the first end of the pulling cable 3, a first concrete seal 41 is wrapped around the outside of the pulling cable 3; near the first end of cable 3 is provided with air inlet 46 and gas outlet 47, air inlet 46 and gas outlet 47 all set up on the first concrete seal 41, air inlet 46 with admission line 31 intercommunication, gas outlet 47 with the pipeline 32 intercommunication of giving vent to anger.
In this embodiment, the first end of the cable 3 is wrapped with the first concrete seal 41, which can improve the sealing performance of the first end of the cable 3, thereby improving the corrosion resistance thereof. In the case where the first concrete seal 41 is provided, an air inlet 46 and an air outlet 47 are opened in the first concrete seal 41 to provide an inlet and an outlet for the dry air to enter and exit the wire 3. Further, in this embodiment, a first check valve 48 is disposed between the air inlet 46 and the air inlet pipe 31, and a second check valve 49 is disposed between the air outlet 47 and the air outlet pipe 32, specifically, the first check valve 48 may be a combination of a baffle and a spring, when the spring is in a natural state, the baffle blocks the air inlet 46, and at this time, the first check valve 48 is in a closed state, and the air inlet 46 is blocked from the air inlet pipe 31; when external force acts on the baffle, for example, a gas transmission pipeline is inserted into the gas inlet 46 to push the baffle to compress the spring, the first check valve 48 is in an open state after the baffle moves, and the gas inlet 46 is communicated with the gas inlet pipeline 31; when the gas line is pulled out, the spring rebounds to return to the natural state, the first check valve 48 is closed again, and the gas inlet 46 is blocked from the gas line 31 again. Similarly, the second check valve 49 may also be a structure combining a baffle plate and a spring, when the spring is in a natural state, the baffle plate blocks the air outlet 47, at this time, the second check valve 49 is in a closed state, and the air outlet 47 is isolated from the air outlet pipe 32; when external force acts on the baffle, for example, an exhaust pipeline is inserted into the air outlet 47 to push the baffle to compress the spring, the second one-way valve 49 is in an open state after the baffle moves, and the air outlet 47 is communicated with the air outlet pipeline 32; when the exhaust pipe is pulled out, the spring rebounds to return to the natural state, the second check valve 49 is in the closed state again, and the air outlet 47 is separated from the air outlet pipe 32 again.
Further, in the embodiment in which the first concrete seal 41 and the metal sacrificial block 43 are provided, the plurality of cable wires 33 are connected to the metal sacrificial block 43 at the first end of the cable 3; an observation port 44 is formed at a position of the concrete seal 41 corresponding to the metal sacrificial block 43. The observation opening 44 is provided to facilitate observation and monitoring of the corrosion of the metal sacrificial block 43.
In one embodiment, at the second end of the pulling cable 3, a second concrete seal 51 is provided around the outside of the pulling cable 3.
Adopt second concrete seal 51 parcel cable 3's second end, can improve the leakproofness of cable 3's second end like this to improve its corrosion-resistant ability.
In one embodiment, the cable further comprises a first restraining ring 42, and the first restraining ring 42 is connected with the sleeve 34 at the first end of the stay cable 3. In one embodiment, a second restraining ring 52 is further included, the second restraining ring 52 being connected to the sleeve 34 at the second end of the traction cable 3.
The first and second restraining rings 42 and 52 are provided to facilitate the position limitation and fixation of the sleeve 34, and also restrain the cable steel wire 33 scattered out of the sleeve 34.
In one embodiment, the cable wire 33 of the exposed sleeve 34 is anchored to the second anchor plate 53 at the second end of the cable 3, which provides better fixation of the exposed cable wire 33.
In one embodiment, the device further comprises a gas processing device 7 and a gas delivery device 6, wherein the gas delivery device 6 comprises a gas supply main pipe and a gas outlet main pipe, the gas supply main pipe is communicated with the gas inlet pipe 31, and the gas outlet main pipe is communicated with the gas outlet pipe 32; the gas supply main pipeline and the gas outlet main pipeline are both connected with the gas processing device 7.
Specifically optionally, gas treatment device 7 with gas delivery device 6 sets up near girder 2, can set up filtration equipment in gas treatment device 7 in order to filter some impurity in the external atmosphere, then handle the air after filtering through dehumidification temperature regulating equipment, make its humidity and temperature reach certain requirement, form the dry air that is used for cable 3 dehumidification, still can monitor other each item index by external monitoring facilities before the dry air input. The gas conveying means 6 may also comprise a high pressure fan or the like. The dry gas after being processed by the gas processing device 7 is sent into the gas inlet pipeline 31 of each inhaul cable 3 through the gas supply main pipeline of the gas conveying device 6, the dry gas dehumidifies the inhaul cable 3 and then flows out of the gas outlet pipeline 32 of each inhaul cable 3 and enters the gas outlet main pipeline of the gas conveying device 6, and finally enters the gas processing device 7 for processing, so that the gas recycling can be realized. And can also connect external monitoring facilities to go out the output air current data monitoring of pipeline 32 of giving vent to anger, can regard as to give vent to anger the air current of pipeline 32 on humidity, temperature isoparametric and when keeping unanimous and keeping stable with the air current in the admission line 31 that whole cable 3 has been full of dry gas, can close the gas exit in each cable 3 this moment, whole dehumidification corrosion protection system is accomplished promptly. The dehumidification system does not need to be started all the time in a circulating mode, and the operation and maintenance cost is greatly reduced.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (13)
1. A cable-stayed bridge structure, characterized in that it comprises:
a main tower (1);
a main beam (2);
the first end of each inhaul cable (3) is connected with the main beam (2), and the second end of each inhaul cable (3) is connected with the main tower (1); the inhaul cable (3) comprises a main body part and a sleeve (34), wherein the main body part comprises:
the air inlet pipe (31), the air outlet pipe (32) and the stay cable steel wires (33), the stay cable steel wires (33) are arranged outside the air inlet pipe (31) in a surrounding mode, air outlet holes (311) are formed in the side wall of the air inlet pipe (31), the air outlet pipe (32) is arranged on the periphery of the stay cable steel wires (33), and the sleeve (34) is sleeved outside the main body portion;
dry gas enters the air inlet pipeline (31) from the first end of the inhaul cable (3), an air flow channel for dry gas to circulate is formed among the inhaul cable steel wires (33), and the air flow channel is communicated with the air outlet pipeline (32) at the second end of the inhaul cable (3).
2. A cable-stayed bridge structure according to claim 1, characterized in that an anti-corrosive coating is applied between the main body portion and the bushing (34).
3. A cable-stayed bridge structure according to claim 1, wherein the outlet duct (32) is provided in plurality, and the outlet ducts (32) are communicated at the first end of the cable (3).
4. A cable-stayed bridge structure according to claim 3, wherein the plurality of air outlet pipes (32) are uniformly distributed around the plurality of stay wires (33).
5. A cable-stayed bridge structure according to claim 1, wherein an air inlet (46) and an air outlet (47) are provided near the first end of the cable (3), the air inlet (46) is communicated with the air inlet duct (31), and the air outlet (47) is communicated with the air outlet duct (32).
6. A cable-stayed bridge structure according to claim 5, further comprising a first check valve (48) and a second check valve (49); the first check valve (48) is arranged between the air inlet (46) and the air inlet pipeline (31), the first check valve (48) has an opening state and a closing state, and the first check valve (48) is switched to the opening state to enable the air inlet (46) to be communicated with the air inlet pipeline (31); the first check valve (48) is switched to a closed state to block the air inlet (46) from the air inlet pipeline (31);
the second one-way valve (49) is arranged between the air outlet (47) and the air outlet pipeline (32), the second one-way valve (49) has an opening state and a closing state, and the second one-way valve (49) is switched to the opening state to enable the air outlet (47) to be communicated with the air outlet pipeline (32); the second one-way valve (49) is switched to a closed state, so that the air outlet (47) and the air outlet pipeline (32) can be isolated.
7. A cable-stayed bridge structure according to claim 1, further comprising a metal sacrificial block (43), wherein the plurality of cable wires (33) are connected to the metal sacrificial block (43) at the first end of the cable (3).
8. A cable-stayed bridge structure according to claim 1, characterized in that at the first end of the stay cable (3), a first concrete seal (41) is provided around the outside of the stay cable (3); near the first end of cable (3) is provided with air inlet (46) and gas outlet (47), air inlet (46) and gas outlet (47) are all seted up on first concrete seal (41), air inlet (46) with admission line (31) intercommunication, gas outlet (47) with pipeline (32) intercommunication of giving vent to anger.
9. A cable-stayed bridge structure according to claim 8, further comprising a metal sacrificial block (43), wherein the plurality of cable wires (33) are connected to the metal sacrificial block (43) at the first end of the cable (3); an observation port (44) is formed in the position of the concrete sealing piece (41) corresponding to the metal sacrificial block (43).
10. A cable-stayed bridge structure according to claim 1, characterized in that at the second end of the stay cable (3) a second concrete seal (51) is provided around the outside of the stay cable (3).
11. A cable-stayed bridge structure according to claim 1, characterized in that it further comprises a first restraining ring (42), said first restraining ring (42) being connected to said sleeve (34) at a first end of said stay cable (3).
12. A cable-stayed bridge structure according to claim 1, characterized in that it further comprises a second restraining ring (52), said second restraining ring (52) being connected to said sleeve (34) at a second end of said stay cable (3).
13. The cable-stayed bridge structure according to claim 1, further comprising a gas processing device (7) and a gas conveying device (6), wherein the gas conveying device (6) comprises a gas supply main pipeline and a gas outlet main pipeline, the gas supply main pipeline is communicated with a gas inlet pipeline (31), and the gas outlet main pipeline is communicated with a gas outlet pipeline (32); the gas supply main pipeline and the gas outlet main pipeline are both connected with the gas processing device (7).
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| CN202010826132.5A CN114075808A (en) | 2020-08-17 | 2020-08-17 | Cable-stayed bridge structure |
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| CN202010826132.5A CN114075808A (en) | 2020-08-17 | 2020-08-17 | Cable-stayed bridge structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908667A (en) * | 2022-05-16 | 2022-08-16 | 中交第二航务工程局有限公司 | Dehumidification system and dehumidification method for main cable of suspension bridge |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057112A1 (en) * | 2002-12-19 | 2004-07-08 | Yincheng Hou | Dehumidification protecting system for main cables on suspension bridges |
| US20040237222A1 (en) * | 2003-06-02 | 2004-12-02 | Jerome Stubler | Method for anchoring parallel wire cables and suspension system for a construction work |
| CN101057040A (en) * | 2004-11-12 | 2007-10-17 | Vsl国际股份公司 | Corrosion protection system for a structure including a stay cable |
| KR20100041958A (en) * | 2008-10-15 | 2010-04-23 | (주)드라이어코리아 | Dehumidification system for bridge and method of controlling the same |
| CN103255715A (en) * | 2013-04-24 | 2013-08-21 | 河海大学 | Stay cable dehumidification and anticorrosion system |
| CN104695325A (en) * | 2015-03-13 | 2015-06-10 | 中交公路规划设计院有限公司 | Suspension bridge sling anti-corrosion method and structure |
| CN105911073A (en) * | 2016-06-17 | 2016-08-31 | 北京科技大学 | Endoscopic cable rust detection method and device |
| CN108103934A (en) * | 2018-01-02 | 2018-06-01 | 重庆中设工程设计股份有限公司 | Convenient for the corrosion-resistant bridge sling mounting structure that dehumidifies |
| CN108301324A (en) * | 2018-01-25 | 2018-07-20 | 中铁大桥科学研究院有限公司 | A kind of cable-stayed bridge cable Intelligent dehumidifying deicing system and method |
| CN109371816A (en) * | 2018-12-05 | 2019-02-22 | 江苏中矿大正表面工程技术有限公司 | A kind of dehumidifying anti-corrosive apparatus of sling of suspension bridge |
| CN209339009U (en) * | 2019-01-14 | 2019-09-03 | 郑州大学 | One kind is convenient for dehumidifying corrosion-resistant bridge sling mounting structure |
| CN111155415A (en) * | 2020-01-20 | 2020-05-15 | 深圳市科兰德实业发展有限公司 | Stay cable lower anchor head dehumidification structure |
-
2020
- 2020-08-17 CN CN202010826132.5A patent/CN114075808A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057112A1 (en) * | 2002-12-19 | 2004-07-08 | Yincheng Hou | Dehumidification protecting system for main cables on suspension bridges |
| US20040237222A1 (en) * | 2003-06-02 | 2004-12-02 | Jerome Stubler | Method for anchoring parallel wire cables and suspension system for a construction work |
| CN101057040A (en) * | 2004-11-12 | 2007-10-17 | Vsl国际股份公司 | Corrosion protection system for a structure including a stay cable |
| KR20100041958A (en) * | 2008-10-15 | 2010-04-23 | (주)드라이어코리아 | Dehumidification system for bridge and method of controlling the same |
| CN103255715A (en) * | 2013-04-24 | 2013-08-21 | 河海大学 | Stay cable dehumidification and anticorrosion system |
| CN104695325A (en) * | 2015-03-13 | 2015-06-10 | 中交公路规划设计院有限公司 | Suspension bridge sling anti-corrosion method and structure |
| CN105911073A (en) * | 2016-06-17 | 2016-08-31 | 北京科技大学 | Endoscopic cable rust detection method and device |
| CN108103934A (en) * | 2018-01-02 | 2018-06-01 | 重庆中设工程设计股份有限公司 | Convenient for the corrosion-resistant bridge sling mounting structure that dehumidifies |
| CN108301324A (en) * | 2018-01-25 | 2018-07-20 | 中铁大桥科学研究院有限公司 | A kind of cable-stayed bridge cable Intelligent dehumidifying deicing system and method |
| CN109371816A (en) * | 2018-12-05 | 2019-02-22 | 江苏中矿大正表面工程技术有限公司 | A kind of dehumidifying anti-corrosive apparatus of sling of suspension bridge |
| CN209339009U (en) * | 2019-01-14 | 2019-09-03 | 郑州大学 | One kind is convenient for dehumidifying corrosion-resistant bridge sling mounting structure |
| CN111155415A (en) * | 2020-01-20 | 2020-05-15 | 深圳市科兰德实业发展有限公司 | Stay cable lower anchor head dehumidification structure |
Non-Patent Citations (2)
| Title |
|---|
| 孟嗣宗等: "《现代汽车维修 第2册 底盘》", 30 April 1996, 清华大学出版社 * |
| 熊厚金等: "《国际岩土锚固与灌浆新进展》", 31 May 1996, 中国建筑工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908667A (en) * | 2022-05-16 | 2022-08-16 | 中交第二航务工程局有限公司 | Dehumidification system and dehumidification method for main cable of suspension bridge |
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