CN205421015U - Bridge hinge joint seal structure - Google Patents
Bridge hinge joint seal structure Download PDFInfo
- Publication number
- CN205421015U CN205421015U CN201620262624.5U CN201620262624U CN205421015U CN 205421015 U CN205421015 U CN 205421015U CN 201620262624 U CN201620262624 U CN 201620262624U CN 205421015 U CN205421015 U CN 205421015U
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- China
- Prior art keywords
- seam
- hinge
- hinge seam
- hinge joint
- bridge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a bridge hinge joint seal structure, this structure is stitched through the foam stick closing plate that the winding is twist type, and is sealed effectual, construction convenience, and low cost. Bridge hinge joint seal structure includes first empty core plate, the empty core plate of second, form hinge joint between first empty core plate, the empty core plate of second, hinge joint includes the hinge joint body, board seam, the board seam is located the below of the hinge joint body, it blocks up to set up foam stick in the board seam, foam stick's quantity is two, and two foam stick windings are twist type, make the hinge joint bodily form become the cavity that the lower extreme is sealed, the internal concreting of hinge joint.
Description
Technical field
This utility model relates to technical field of bridge construction, particularly relates to a kind of bridge hinge seam and seals structure.
Background technology
Before hinge is sewn on casting concrete, need the plate seam first sealing between cored slab, prevent the concrete poured from revealing, existing hinge seam seals structure, such as: in the middle of the patent of Application No. 201410173720.8, needs special bar planting hole and U-shaped muscle, carry out the lower ending opening of sealing plate seam, sealing plate seam is carried out so that it is structure is complicated, seals relatively costly pouring encapsulant.
Original warping joint treatment method is stitched adjustment, the increase of deck paving layer thickness of structure by hinge and uses traditional repair materials out to cut with scissors seam disease, the adjustment of hinge seam structure is not satisfactory to the treatment effect of hinge seam disease, the increase of deck paving layer thickness is added significantly to construction cost, the material that processes of existing bridge hinge seam is mainly the mineral-type patching material based on cement based, based on polymer concrete, the organic patching material of epoxy resin.The problem that mineral-type patching material based on cement based exists: the interfacial transition zone between patching material with base material is relative weak, easily occurs coming off and causes repairing inefficacy, and easily produce crack under big temperature difference condition, the globality of impact hinge seam.The problem existed based on the organic patching material of polymer concrete, epoxy resin: cost is high, the most aging, differs greatly with old concrete performance, the most fire-resistant, poor durability.
Original processing method is used to produce raw bigger thermal cracking in big temperature difference area, once there is crack phenomenon in hinge seam, in the case of long-term dynamic load, Crack failure accelerates, the lighter occurs that drainage occur in damaging oof bridge surface, plate seam, and in the case of winter, freeze-thaw cycle forms icicle, cause security incident, destruction as long-term in cut with scissors seam, causes beam slab single slab bearing, causes beam slab phenomenon of rupture；And need long-time close traffic, bring very big inconvenience.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of bridge hinge seam seals structure, and this structure is stitched by being wound around the foam rods sealing plate in twisted shape, good sealing effect, easy construction, and with low cost.
The purpose of this utility model is achieved in that
A kind of bridge hinge seam seals structure, including the first cored slab, the second cored slab, hinge seam is formed between described first cored slab, the second cored slab, described hinge seam includes hinge seam body, plate seam, and described plate seam is positioned at the lower section of hinge seam body, arranges foam rods blocking in described plate seam, the quantity of described foam rods is two, two foam rods are wound around in twisted shape, make hinge seam body form the cavity that lower end seals, and hinge stitches internal casting concrete.
Preferably, the internal concrete poured of described hinge seam uses phosphate cement concrete.
Preferably, every cubic metre of hinge seam internal casting concrete 2400 kilograms.
Preferably, described hinge stitches the end face of internal concrete less than cored slab end face 2cm.
Owing to have employed technique scheme, this utility model has the advantages that
Foam rods has preferable elasticity, and with low cost, is wound around the foam rods in twisted shape and can use less material, blocks bigger gap, and be difficult to scatter, the plate seam between highly beneficial closure cored slab, prevents the concrete poured from leaking.
Phosphate cement concrete is a kind of superelevation caking property, high intensity, high-durability, Self-leveling, pourable novel hinge seam material, tradition hinge seam material can be overcome under big temperature difference specific condition to produce the shortcomings such as crack, hinge seam position lateral connection ability can be improved.Its presetting period is short, and general control was at 15 minutes to 20 minutes, and early strength is high, and 1-2 hour comprcssive strength can reach 30Mpa, and caking property is good, and adhesion strength is high；Maintenance is simple and convenient, natural curing just can, need not sprinkle water, the especially maintenance such as thin film, sealing compound；Application treatment method can be substantially reduced the concrete thermal cracking that the big temperature difference causes, and has good application prospect under big temperature difference condition.
Greatly reducing the crack produced under big temperature difference specific condition, just can reach the highest intensity in early days, and maintenance is simple and convenient, natural curing just may be used, it is not necessary to watering, thin film, sealing compound etc. are special to be protected；Solve current high-grade highway Bridge and frequently keep in repair brought traffic delay and the problem of traffic capacity decline；Shorten the highway bridge maintenance activity duration to greatest extent, quickly repair all kinds of concrete defects and salvaging, low temperature repairing work, realize the timely, quick, safe and reliable of maintenance operation, alleviate the interference to normal traffic of the bridge maintenance maintenance construction.Tradition hinge seam material can be overcome under big temperature difference specific condition to produce the defect in crack, reach the purpose that the prevention and punishment cutting with scissors seam disease is reinforced.
Accompanying drawing explanation
Fig. 1 is the structural representation of hinge seam.
In accompanying drawing, 1 is the first cored slab, and 2 is the second cored slab, and 3 is hinge seam body, and 4 stitch for plate.
Detailed description of the invention
See Fig. 1, a kind of preferred embodiment of structure is sealed for bridge hinge seam, including first cored slab the 1, second cored slab 2, forming hinge seam between described first cored slab the 1, second cored slab 2, described hinge seam includes hinge seam body 3, plate seam 4, described plate seam 4 is positioned at the lower section of hinge seam body 3, arranging foam rods blocking in described plate seam 4, the quantity of described foam rods is two, and two foam rods are wound around in twisted shape, hinge seam body 3 is made to form the cavity that lower end seals, casting concrete in hinge seam body 3.
The concrete poured in described hinge seam body 3 uses phosphate cement concrete, casting concrete 2400 kilograms in every cubic metre of hinge seam body 3, and the end face of described hinge seam body 3 inner concrete is less than cored slab end face 2cm.
Bridge hinge seam seals the construction method of structure and sequentially includes the following steps:
The pre-buried hinge seam whole straightening of reinforcing bar that first will expose before the lifting of step 1. cored slab, reinforcing bar, through management acceptance(check), is allowed to compliant requirement.After cored slab lifts, by cored slab top board and the eliminating impurities at hinge seam position, then blow clean with hair-dryer, then clean with giant.
After step 2. uses the foam rods of diameter 3cm or 5cm to be wound around, the plate seam bottom seam is cut with scissors in filling, make the cavity that hinge slit becomes lower end to seal, in this step, winding refers to be wound around by two foam rods, filling beam slab plate seam, the more closely knit of plate seam filling can be made, prevent plate seam from when pouring, spillage situation occurring.
Step 3. checks that foam rods filling is the tightest complete, then hinge seam concrete surface moistening.
Step 4. is casting concrete in hinge seam；
The temperature that pours of hinge seam should be essentially identical, and the temperature difference should control within 5 DEG C, and preferably constructs when one day temperature is minimum.Symmetrical longitudinal centre line is answered in concreting, and first center, rear lateral symmetry pours.The concrete poured uses and repairs king A material, repairs king B material (C50 novel hinge seam material phosphoric acid salt cement concrete) and stone dry mixing, then adds water to mix and stir and makes.The amount of water of the concrete poured is the 6%-7% repairing Wang Chongliang.Quality according to stone and the quality of grating, match ratio can be adjusted to: described reparation king A material, reparation king B material, the weight ratio of stone are 50:50:30-80.Every cubic metre of hinge seam casting concrete 2400 kilograms.When the quality of stone and grating are preferable, can suitably reduce the consumption repairing king in term of reference, cost-effective.When described stone uses the clean stone of 10-35mm continuous grading, and the weight ratio of described reparation king A material, reparation king B material, stone and water is 700:700:980:84.
If condition limits the broken handstone that must use the single particle sizes such as Semen Benincasae sheet, repair king's consumption and at least double, and intensity and the durability of concrete can be reduced.
The concrete that pours in hinge seam is vibrated processs by step 5., and making facility firm by ramming is that Φ 30 internal vibration is excellent, and the vibrating time of whole process is generally about 20s.After hinge seam concreting completes, end face should be less than cored slab end face 2cm, then wipes one's face.
Concrete after vibrating in hinge seam, wiping one's face is covered, takes care of health by step 6..
In order to remove the impurity at hinge seam position the most up hill and dale, improve warping joint treatment effect, preferably, in step 1, the sweep-out method of impurity is: after cored slab lifts, by cored slab top board and the eliminating impurities at hinge seam position, then blow clean with hair-dryer, then clean with giant.
In order to ensure the sealing effectiveness that plate stitches, it is preferable that in step 2, plate seam uses foam rods to clog after being wound around.
Preferably, in step 4, the concrete poured uses and repairs king A material, repairs king B material and stone dry mixing, then adds water to mix and stir and makes.Repairing king is a kind of superelevation caking property, high intensity, high-durability, Self-leveling, pourable novel hinge seam material, tradition hinge seam material can be overcome to produce the shortcomings such as crack, can improve hinge seam position lateral connection ability under big temperature difference specific condition.
Preferably, in step 4, the amount of water of the concrete poured is the 6%-7% repairing Wang Chongliang.
Preferably, described reparation king A material, reparation king B material, the weight ratio of stone are 50:50:30-80.
Preferably, every cubic metre of hinge seam casting concrete 2400 kilograms.
In order to reach best warping joint treatment effect, it is preferable that described stone uses the clean stone of 10-35mm continuous grading, described reparation king A material, the weight ratio repairing king B material, stone and water are 700:700:980:84.
The deflection affected by the temperature difference for less concrete, it is preferable that in step 4, the temperature temperature difference that pours of hinge seam controls within 5 DEG C, and construction when temperature is minimum in a day；In order to make bridge both sides stress equalization when expanding with heat and contract with cold, in casting process, first pour the hinge along bridge longitudinal centre line position and stitch, the more symmetrical hinge seam pouring both sides；In order to leave the space wiped one's face, after hinge seam concreting completes, the end face of hinge seam concrete is less than cored slab end face 2cm.
Preferably, in step 5, vibrating method is: making facility firm by ramming and use Φ 30 internal vibration rod, vibrating time is 20s.
Finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range.
Claims (4)
1. a bridge hinge seam seals structure, including the first cored slab, the second cored slab, hinge seam is formed between described first cored slab, the second cored slab, it is characterized in that: described hinge seam includes hinge seam body, plate seam, described plate seam is positioned at the lower section of hinge seam body, arranges foam rods blocking in described plate seam, the quantity of described foam rods is two, two foam rods are wound around in twisted shape, make hinge seam body form the cavity that lower end seals, and hinge stitches internal casting concrete.
Bridge the most according to claim 1 hinge seam seals structure, it is characterised in that the internal concrete poured of hinge seam uses phosphate cement concrete.
Bridge the most according to claim 1 and 2 hinge seam seals structure, it is characterised in that: every cubic metre of hinge seam internal casting concrete 2400 kilograms.
Bridge the most according to claim 1 and 2 hinge seam seals structure, it is characterised in that described hinge stitches the end face of internal concrete less than cored slab end face 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262624.5U CN205421015U (en) | 2016-03-31 | 2016-03-31 | Bridge hinge joint seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620262624.5U CN205421015U (en) | 2016-03-31 | 2016-03-31 | Bridge hinge joint seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205421015U true CN205421015U (en) | 2016-08-03 |
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ID=56523006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620262624.5U Expired - Fee Related CN205421015U (en) | 2016-03-31 | 2016-03-31 | Bridge hinge joint seal structure |
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| Country | Link |
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| CN (1) | CN205421015U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400667A (en) * | 2016-11-16 | 2017-02-15 | 上海市城市建设设计研究总院 | Hollow plate beam structure for ultrahigh performance concrete hinge joint connection |
| CN108894745A (en) * | 2018-09-19 | 2018-11-27 | 重庆科技学院 | A kind of rock-boring implication press seal block apparatus and method |
| CN111877163A (en) * | 2020-07-01 | 2020-11-03 | 中交第一航务工程局有限公司 | Reaming seam construction die pasting process for hollow slab beam |
-
2016
- 2016-03-31 CN CN201620262624.5U patent/CN205421015U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400667A (en) * | 2016-11-16 | 2017-02-15 | 上海市城市建设设计研究总院 | Hollow plate beam structure for ultrahigh performance concrete hinge joint connection |
| CN108894745A (en) * | 2018-09-19 | 2018-11-27 | 重庆科技学院 | A kind of rock-boring implication press seal block apparatus and method |
| CN108894745B (en) * | 2018-09-19 | 2024-01-30 | 重庆科技学院 | Rock drill orifice air pressure plugging device and method |
| CN111877163A (en) * | 2020-07-01 | 2020-11-03 | 中交第一航务工程局有限公司 | Reaming seam construction die pasting process for hollow slab beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20180331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |