CN209636637U - Stayed-cable bridge anchor-hold anticorrosion structure - Google Patents
Stayed-cable bridge anchor-hold anticorrosion structure Download PDFInfo
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- CN209636637U CN209636637U CN201822039718.8U CN201822039718U CN209636637U CN 209636637 U CN209636637 U CN 209636637U CN 201822039718 U CN201822039718 U CN 201822039718U CN 209636637 U CN209636637 U CN 209636637U
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- waterproof cover
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Abstract
A kind of stayed-cable bridge anchor-hold anticorrosion structure of the utility model, including drag-line, drag-line one end are anchored in concrete；It further include the built-in pipe that one end is embedded in advance in concrete, pre-buried pipe sleeve is on drag-line；The built-in pipe other end is provided with waterproof cover, pillar of the waterproof cover connector sleeve on drag-line.The waterproof cover of the utility model is flexible construction, adapts to movement under force and the vibration of suspension cable, can guarantee to connect permanently effective.
Description
Technical field
The utility model relates to civil engineering bridge health monitoring and protection technology field, specifically a kind of stayed-cable bridge is drawn
Rope anchoring anti-corrosion structure.
Background technique
Cable-stayed bridge is more one of the bridge type of domestic application, it has superiority more more economical than other structures form,
Thus have been greatly developed.Important composition component of the suspension cable as cable-stayed bridge, safety and durability to bridge rise
Important function.And suspension cable is generally all disposed within outside beam body, is directly contacted with atmosphere, thus easily generate corrosion, oblique pull
The anticorrosion protection of rope is extremely important and necessary.According to the work shape of suspension cable fabrication technology of cables and suspension cable in bridge use
State, it is believed that suspension cable anchor head especially descends the anti-corrosion of anchor head to protect, and the anti-corrosion protection with suspension cable high tensile steel wire is most important
's.Cable-stayed bridge during normal service, Inclined Cable Vibration, rubber seal aging or other as construction reason will cause sealing not
Tightly, ponding easily penetrates into connecting cylinder, leads to lower casing ponding, the connecting cylinder of the connecting portion of steel wire and anchor cup, rubber seal
Circle etc. is under water, and to the position, high tensile steel wire causes to corrode, and can reduce cable-stayed bridge service life, forms security risk.
Utility model content
Purpose of utility model: in order to overcome the deficiencies in the prior art, the utility model provides a kind of cable-stayed bridge drawing
The anti-corrosion Processing tecchnics process of cable system.
Technical solution: the utility model provides a kind of stayed-cable bridge anchor-hold anticorrosion structure, including drag-line, drag-line one end
It is anchored in concrete；It further include the built-in pipe that one end is embedded in advance in concrete, pre-buried pipe sleeve is on drag-line；Built-in pipe is another
End is provided with waterproof cover, pillar of the waterproof cover connector sleeve on drag-line.And stainless steel pillar.Waterproof cover is sleeved on outside drag-line
Side, waterproof cover inside are filled with foamed material；Rubber ring is set on the inside of waterproof cover both ends, and filling gel is installed rubber ring and filled out
Silica gel is filled, silica gel and rubber ring are used to seal the gap between waterproof cover and drag-line and built-in pipe, are filled with sealing material in pillar
Material.
Wherein, sealing material is polysulfide anti-corrosion sealant and unvulcanised non-drying anti-corrosion sealant, polysulfide anti-corrosion sealant
Successively interval layering perfusion, bottom are polysulfide anti-corrosion sealant from bottom to top with unvulcanised non-drying anti-corrosion sealant.
Wherein, the junction of waterproof cover and pillar is sealed by PE pyrocondensation belt, and the junction of waterproof cover and built-in pipe passes through
The sealing of PE pyrocondensation belt.
Wherein, internal damping device is set inside the built-in pipe other end, and damping device is rubber material.
Wherein, the pillar is stainless steel pillar.
In construction, comprising the following steps:
Step 1: removing built-in pipe top waterproof cover, then remove interior vibration absorber and clear up the foaming agent in built-in pipe；
Step 2: take out the inside ponding in built-in pipe with water pumper, then using industrial air heater to built-in pipe inside into
Row drying；
Step 3: using oiling machine to perfusion anti-corrosion grease inside built-in pipe to specified altitude assignment, after in built-in pipe inner upper end
Internal damping device is installed；
Step 4: being set with waterproof cover on built-in pipe top, then rubber ring and make in waterproof cover and installation in built-in pipe gap
It is sealed with silica gel；After good etc. close performance envelope, in waterproof cover gap suitable for reading to injecting foamed material inside waterproof cover, after make
With rubber ring and silica gel sealing gap suitable for reading；
Step 5: it is closely set with stainless steel pillar on the drag-line of waterproof cover top, it is close by polysulfide anti-corrosion in pillar gap suitable for reading
The sequence of sealing and unvulcanised non-drying anti-corrosion sealant layering perfusion dope, forms additional waterproof structure；
Step 6: after anti-corrosion material stablize after, using PE pyrocondensation belt to built-in pipe, waterproof cover and stainless steel pillar each other it
Between seam crossing carry out the processing that is wrapped.
The utility model has the advantages that a kind of anti-corrosion Processing tecchnics process of stayed-cable bridge guy system of the utility model, has following
The utility model has the advantages that
1, waterproof cover is flexible construction, the movement under force of adaptive stay cable and vibration, guarantees that connection is permanently effective；
2, PE pyrocondensation carrying material is identical as cable body original PE sheath material, and the shape on cable surface is adapted to after heat shrink
Shape tightly wraps up and has elasticity, can ensure that the permanently effective of seal sealing with cable body cooperative transformation；
3, additional novel seal waterproof construction, realizes the multiple isolation to rainwater, and waterproof effect is significant；
4, the foamed material chosen can form closely knit compact protection using the form of perfusion inside anchor head after forming
Structure prevents the further occurrence of corrosion, and convenient and quick construction.
Detailed description of the invention
Fig. 1 is the header structure schematic diagram that casts anchor in the utility model；
Fig. 2 is waterproof cover structure schematic diagram in the utility model；
Fig. 3 is additional seal waterproof construction thin portion schematic diagram in the utility model.
In figure: 1- drag-line, anchor head under 2-, 3- waterproof cover, 4- internal damping device, 5- built-in pipe, 6- anti-corrosion grease, 7- rubber
Cushion rubber, 8- silica gel, 9- foamed material, 10- pillar, 11- polysulfide anti-corrosion sealant, 12- unvulcanised non-drying anti-corrosion sealant,
13-PE pyrocondensation belt, A- concrete, B- drainage hole.
Specific embodiment
The utility model is further described With reference to embodiment.
As shown in Figure 1-3, a kind of stayed-cable bridge anchor-hold anticorrosion structure of the utility model, including drag-line 1, drag-line 1
One end is anchored in concrete by lower anchor head 2；It further include the built-in pipe 5 that one end is embedded in advance in concrete, built-in pipe 5 is sleeved on
On drag-line 1；5 other end of built-in pipe is provided with waterproof cover 3, pillar 10 of 3 connector sleeve of waterproof cover on drag-line 1；3 sets of waterproof cover
Mounted in 1 outside of drag-line, foamed material 9 is filled with inside waterproof cover 3；Rubber ring 7 is set on the inside of 3 both ends of waterproof cover, and fills silicon
Glue 8, silica gel 8 and rubber ring 7 are used to seal the gap between waterproof cover 3 and drag-line 1 and built-in pipe 5, are filled in pillar 10 close
Closure material, sealing material are polysulfide anti-corrosion sealant 11 and unvulcanised non-drying anti-corrosion sealant 12, polysulfide anti-corrosion sealant 11
Successively interval layering perfusion, bottom are polysulfide anti-corrosion sealant 11 from bottom to top with unvulcanised non-drying anti-corrosion sealant 12.It is anti-
The junction of water cover 3 and pillar 10 is sealed by PE pyrocondensation belt 13, and the junction of waterproof cover 3 and built-in pipe 5 passes through PE pyrocondensation
Band 13 seals.Internal damping device 4 is set inside 5 other end of built-in pipe, and internal damping device 4 is rubber 6, and the pillar 10 is not
Become rusty steel pillar 10.
The generally flexible construction of waterproof cover 3, the movement under force of adaptive stay cable 1 and vibration guarantee that connection is permanently effective； PE
The material of pyrocondensation belt 13 is identical as cable body original PE sheath material, and the shape that cable surface is adapted to after heat shrink is tightly wrapped
Elasticity is wrapped up in and had, can ensure that the permanently effective of seal sealing with cable body cooperative transformation；Additional novel seal waterproof
Structure, realizes the multiple isolation to rainwater, and waterproof effect is significant；The foamed material of selection is using the form being perfused, after forming
Closely knit compact protection structure can be formed inside anchor head, prevent the further occurrence of corrosion, and convenient and quick construction.
In construction, comprising the following steps:
Step 1: removing 5 top waterproof cover 3 of built-in pipe, then remove interior vibration absorber and clear up the foaming in built-in pipe 5
Agent；
Step 2: the inside ponding in built-in pipe 5 is taken out with water pumper, then using industrial air heater in built-in pipe 5
Portion is dried；
Step 3: using oiling machine to perfusion anti-corrosion grease inside built-in pipe 5 to specified altitude assignment, after inside built-in pipe 5
Upper end is installed by internal damping device 4；
Step 4: being set with waterproof cover 3 on 5 top of built-in pipe, rubber ring then is installed in waterproof cover 3 and 5 gap of built-in pipe
It 7 and is sealed using silica gel 8；After good etc. close performance envelope, foam in the gap suitable for reading of waterproof cover 3 to injection inside waterproof cover 3
Material 9 seals gap suitable for reading using rubber ring 7 and silica gel 8 afterwards；
Step 5: being closely set with stainless steel pillar 10 on 3 top drag-line 1 of waterproof cover, press polysulfide in the gap suitable for reading of pillar 10
The sequence of anti-corrosion sealant 11 and unvulcanised non-drying anti-corrosion sealant 12 layering perfusion dope, forms additional new waterproof knot
Structure；
Step 6: after anti-corrosion material is stablized, using PE pyrocondensation belt 13 to built-in pipe 5, waterproof cover 3 and stainless steel pillar 10
Seam crossing each other carries out the processing that is wrapped.
The above is only the preferred embodiment of the utility model, non-therefore limitation scope of protection of the utility model, according to
According to the made various modifications of above-described embodiment or apply within this technical solution protection scope.
Claims (6)
1. a kind of stayed-cable bridge anchor-hold anticorrosion structure, it is characterised in that: including drag-line, drag-line one end is anchored in concrete
It is interior；It further include the built-in pipe that one end is embedded in advance in concrete, pre-buried pipe sleeve is on drag-line；The built-in pipe other end is provided with waterproof
Cover, pillar of the waterproof cover connector sleeve on drag-line；Waterproof cover is sleeved on the outside of drag-line, and foaming material is filled with inside waterproof cover
Material；Rubber ring is set on the inside of waterproof cover both ends, and filling gel, silica gel and rubber ring are for sealing waterproof cover and drag-line and pre-buried
Gap between pipe.
2. stayed-cable bridge anchor-hold anticorrosion structure according to claim 1, it is characterised in that: filled with sealing in pillar
Material.
3. stayed-cable bridge anchor-hold anticorrosion structure according to claim 2, it is characterised in that: sealing material is anti-for polysulfide
Rotten sealant and unvulcanised non-drying anti-corrosion sealant, polysulfide anti-corrosion sealant and unvulcanised non-drying anti-corrosion sealant from lower and
On successively interval layering perfusion, bottom be polysulfide anti-corrosion sealant.
4. stayed-cable bridge anchor-hold anticorrosion structure according to claim 1, it is characterised in that: the company of waterproof cover and pillar
The place of connecing is sealed by PE pyrocondensation belt, and the junction of waterproof cover and built-in pipe is sealed by PE pyrocondensation belt.
5. stayed-cable bridge anchor-hold anticorrosion structure according to claim 1, it is characterised in that: in the built-in pipe other end
Internal damping device is arranged in portion.
6. stayed-cable bridge anchor-hold anticorrosion structure according to claim 1, it is characterised in that: the pillar is stainless steel
Pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039718.8U CN209636637U (en) | 2018-12-06 | 2018-12-06 | Stayed-cable bridge anchor-hold anticorrosion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822039718.8U CN209636637U (en) | 2018-12-06 | 2018-12-06 | Stayed-cable bridge anchor-hold anticorrosion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636637U true CN209636637U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822039718.8U Active CN209636637U (en) | 2018-12-06 | 2018-12-06 | Stayed-cable bridge anchor-hold anticorrosion structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594472A (en) * | 2018-12-06 | 2019-04-09 | 东南大学 | Stayed-cable bridge anchor-hold anticorrosion structure and anticorrosion process |
| CN113235430A (en) * | 2021-06-15 | 2021-08-10 | 大连交通大学 | Sleeve type vibration damper for cable bridge inhaul cable |
-
2018
- 2018-12-06 CN CN201822039718.8U patent/CN209636637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594472A (en) * | 2018-12-06 | 2019-04-09 | 东南大学 | Stayed-cable bridge anchor-hold anticorrosion structure and anticorrosion process |
| CN113235430A (en) * | 2021-06-15 | 2021-08-10 | 大连交通大学 | Sleeve type vibration damper for cable bridge inhaul cable |
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