CN108867356A - Bridge expansion joint installation - Google Patents
Bridge expansion joint installation Download PDFInfo
- Publication number
- CN108867356A CN108867356A CN201811150705.6A CN201811150705A CN108867356A CN 108867356 A CN108867356 A CN 108867356A CN 201811150705 A CN201811150705 A CN 201811150705A CN 108867356 A CN108867356 A CN 108867356A
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- CN
- China
- Prior art keywords
- type
- expansion joint
- section steel
- steel beam
- fashioned iron
- Prior art date
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- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 239000004567 concrete Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 239000011210 fiber-reinforced concrete Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
Bridge expansion joint installation is related to building the expansion gap device at beam body joint portion.Including 2 spacing in face of the section steel beam and elastic water-proof strip of setting；Section steel beam cross section is the section steel beam in F type, elastic water-proof strip cross section is in W type, elastic water-proof strip two side ends distinguish inlay card in the upper notch of 1 F type fashioned iron, and connection is tightly pasted by sealant, the lower section web of the upper notch of the F type fashioned iron is equipped with the interdigitated electrode structure supporting plate being fixedly connected, interdigitated electrode structure supporting plate set by 2 F type fashioned iron is in same level, and interdigitated electrode structure supporting plate is located at the underface of the adhesive waterproof tape.Continuous traffic loading end can be provided for driving, while there is good waterproof performance, long service life, and maintenance cost and the period at expansion joint can be greatly decreased.
Description
Technical field
The present invention relates to the expansion gap devices at building beam body joint portion, more particularly, to being mainly used for stretching for bridge expanssion joint
Contracting seam device.
Background technique
With the fast development of Chinese national economy, the construction of highway bridge achieves the achievement to attract people's attention.Expansion joint
Device is one of important component of bridge structure, maintenance during carrying out its use in time, maintenance and more changes jobs and keeps stretching
Contract the whole integrity of seam, to ensuring that bridge structure is firm, guarantee driving safety is all of great significance.But due to highway communication
The increase of amount, vehicle flowrate are continuously increased, and expansion joint is more prominent there is a situation where destroying.
The destruction of bridge expanssion joint and disease are mainly shown as at present：(l) concrete disintegrating, reinforcing bar are exposed；(2) expansion joint
Fashioned iron fracture；(3) expansion joint locally sink or is higher by bridge floor, causes bridge up train comfort and ride comfort to reduce, or even jump vehicle；
(4) bridge deck concrete cracks；(5) rubber fastening band destroys between expansion joint；(6) it is filled between expansion joint by sundries.
It causes one of the above problem to be primarily due to expansion joint rubber fastening band to be destroyed.Expansion joint rubber water-proof
The reason of band is destroyed on rubber fastening band mainly due to having a large amount of concrete in construction or after being used for a long time
Or sandstone is deposited on rubber water-proof band, and it be easy to cause rubber in use without support facility below rubber fastening band
The breakage of waterstop, so that tending to have in expansion joint, sundries is fallen and rainwater penetrates into, so that expansion joint be caused to block, and then is influenced
The Telescopic at expansion joint, so as to cause a series of problems.
Summary of the invention
The purpose of the present invention is to provide a kind of bridge expansion joint installations, it is intended to solve to accumulate in the rubber fastening band of expansion joint
After the weights such as sandstone, rubber fastening band is easy breakage and falls off, and guarantees the Telescopic at expansion joint.
To achieve the above object, the present invention adopts the following technical scheme that：
Bridge expansion joint installation, including 2 spacing in face of the section steel beam and elastic water-proof strip of setting；It is characterized in that type
Girder steel cross section is the section steel beam in F type, and elastic water-proof strip cross section is in W type, and elastic water-proof strip two side ends distinguish inlay card in 1
In the upper notch of F type fashioned iron, and connection, the lower section abdomen of the upper notch of the F type fashioned iron are tightly pasted by sealant
Plate is equipped with the interdigitated electrode structure supporting plate being fixedly connected, and interdigitated electrode structure supporting plate set by 2 F type fashioned iron is in same level,
Interdigitated electrode structure supporting plate is located at the underface of the adhesive waterproof tape.
Further：
The elastic water-proof strip is rubber fastening band.
The bottom of the F type section steel beam is equipped with the horizontal base that extends to two sides, and is arranged below in the horizontal base flat
Row is in the longitudinal reinforcement at expansion joint.
The outside of the F type section steel beam is equipped with anchor tie plate, and anchor tie plate is fastenedly connected with F type fashioned iron, and anchor tie plate, which is installed on, to be stretched
In the extraneous concrete of contracting seam two sides.
The bottom of the F type section steel beam is equipped with gate-type reinforcing bar, the anchor tie plate bottom welding of gate-type reinforcing bar and respective side
And it is affixed with the pedestal of F type section steel beam, gate-type reinforcing bar is embedded in advance in the concrete of expansion joint two sides；Four of the gate-type reinforcing bar
The longitudinal reinforcement for being parallel to expansion joint is buried respectively in corner.
The opening lower part of the F type section steel beam notch is convex shape.
It is compared with the prior art, beneficial effect of the present invention is mainly as follows：
Due to the supporting plate using interdigitated electrode structure, when beam body is stretched, the supporting plate of interdigitated electrode structure can be handed over the flexible of expansion joint
Wrong mutually embedding or opening, so as to meet Telescopic.And rubber fastening band can be effectively prevented because of the sundries such as sandstone, rainwater
The problems such as falling in rubber fastening band and be difficult to load-bearing and fall off, is damaged, guarantees the reliability of expansion gap device work.This hair
It is bright to provide continuous traffic loading end for driving, while there is good waterproof performance, long service life, and can be greatly decreased
The maintenance cost at expansion joint and period.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the embodiment of the present invention for the structure and scheme of installation in bridge expanssion joint.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 1 and 2, bridge expansion joint installation, including 2 F type section steel beams 1 and rubber fastening band 2.2 F type section steel beams
1 is relatively arranged in the steel fiber reinforced concrete 5 of 7 two sides of expansion joint, and the road surface of 5 two sides of steel fiber reinforced concrete is bituminous concrete surface
Layer 6 is folded with rubber fastening band 2 between two F type section steel beams 1, and rubber fastening band 2 is curved across expansion joint 7, and in a crosswise direction
It is converted into W type, and 2 both ends end of rubber fastening band is stuck at F type fashioned iron notch 10, and passed through with the surface of F type section steel beam
Sealant tightly pastes connection.
It is made into convex shape below the opening of F type fashioned iron notch 10, the card for allowing rubber fastening band 2 stronger
In F type fashioned iron notch 10.
Every F type section steel beam 1 all has the interdigitated electrode structure supporting plate 3 extended to another F type section steel beam 1, and two interdigitated electrode structures
Supporting plate 3 is arranged in same level, and interdigitated electrode structure supporting plate described in two is respectively positioned on the underface of the adhesive waterproof tape.?
When expansion joint 7 deforms, since the position relative misalignment of comb teeth is arranged between two interdigitated electrode structure supporting plates 3, it can be formed mutually embedding or opened
It opens, allows the relative motion in the horizontal direction of supporting plate 3, therefore, will not have an impact to the dilatation at expansion joint 7；This
Outside, two interdigitated electrode structure supporting plates 3 are located at the lower section of rubber fastening band 2, and rubber fastening band 2 can be placed directly in two interdigitated electrode structures
Closely spaced distance setting between on supporting plate 3 or both, so that two interdigitated electrode structure supporting plates 3 can be used as rubber fastening band 2
One vertical support.When there is the sundries such as rubble, rainwater to fall on rubber fastening band 2, two interdigitated electrode structure supporting plates 3 can be risen
To the effect of vertical supporting, further prevents falling off because bearing a heavy burden object on rubber fastening band 2, cause to block at expansion joint.
Further, anchor tie plate 4 is also equipped in steel fiber reinforced concrete 5, two F type section steel beams 1 are respectively positioned on two anchors and draw
Between plate 4, and every F type section steel beam 1 and the anchor tie plate 4 of respective side are welded to connect, and form entirety, and anchor tie plate 4 also has portion
Separation structure is located on the pedestal of respective side F type section steel beam, also increases F type fashioned iron by welding for welding between pedestal
The globality of beam.
Gate-type reinforcing bar 8 is embedded in beam body 9, the lower part of gate-type reinforcing bar 8 is bent into crotch-shaped and in gate-type reinforcing bar 8
Four corner settings are parallel to the longitudinal reinforcement at expansion joint, which extends to the top of the anchor tie plate 4 of respective side,
And 4 bottom of anchor tie plate of itself and respective side is welded and the tube chamber welds with base with F type section steel beam 1.F type section steel beam 1 by with anchor tie plate 4
It is welded and fixed together, the pedestal of anchor tie plate 4 and F type section steel beam 1 is welded to connect further through with pre-buried gate-type reinforcing bar 8, gate-type
Two ends of the gap of reinforcing bar 8 are bent into crotch-shaped, and are provided with longitudinal steel again in four corners of gate-type reinforcing bar 8
Muscle, allow in this way F type section steel beam 1, anchor tie plate 4, formed between gate-type reinforcing bar 8 and steel fiber reinforced concrete 5, beam body 9 one it is whole
Body, strengthens the overall stability of entire expansion gap device, effectively prevents F type fashioned iron girder steel 1 from unstable failure occurs.In addition,
It is additionally provided with the longitudinal reinforcement for being parallel to expansion joint below the horizontal base of F type section steel beam 1, the perpendicular of F type fashioned iron can be reinforced
To bearing capacity.
Referring to fig. 2, expansion joint 7, telescopic device 0 are formed between two adjacent beam bodies 9 or between beam body 9 and abutment
Rubber fastening band 2 bending be across on expansion joint 7, specially the two of telescopic device 0 piece F type section steel beam 1 is respectively arranged in phase
In two adjacent beam bodies 9 or it is respectively arranged in a wherein abutment and the beam body 9 adjacent with the abutment.
Due to the telescopic device 0 that the present embodiment uses, using the holding as rubber fastening band 2 of supporting plate 3 of interdigitated electrode structure
It holds in the palm and rubber fastening band fixation is bonded on the web of F type fashioned iron using sealant, rubber fastening band can be effectively prevented
Because the sundries such as sandstone, rainwater are fallen in rubber fastening band and the problems such as be difficult to load-bearing and fall off, is damaged, and this expansion joint
Device cannot meet the Telescopic between bridge, can provide continuous traffic loading end for driving, while having good
Maintenance cost and the period at expansion joint can be greatly decreased in waterproof performance, this telescopic device long service life.
The present invention can be used at the expansion joint of bridge expanssion joint and other building girder bodies using.Through testing, excellent.
Claims (6)
1. bridge expansion joint installation, including 2 spacing in face of the section steel beam and elastic water-proof strip of setting；It is characterized in that, fashioned iron
Beam cross section is the section steel beam in F type, and elastic water-proof strip cross section is in W type, and elastic water-proof strip two side ends distinguish inlay card in 1 F
In the upper notch of type fashioned iron, and connection, the lower section web of the upper notch of the F type fashioned iron are tightly pasted by sealant
It is equipped with the interdigitated electrode structure supporting plate being fixedly connected, interdigitated electrode structure supporting plate set by 2 F type fashioned iron is in same level, is combed
Flute profile supporting plate is located at the underface of the adhesive waterproof tape.
2. bridge expansion joint installation as described in claim 1, which is characterized in that the elastic water-proof strip is rubber fastening band.
3. bridge expansion joint installation as described in claim 1, which is characterized in that the bottom of the F type section steel beam is equipped with to two sides
The horizontal base of extension, and the longitudinal reinforcement for being parallel to expansion joint is arranged below in the horizontal base.
4. bridge expansion joint installation as described in claim 1, which is characterized in that the outside of the F type section steel beam is equipped with anchor tie plate,
Anchor tie plate is fastenedly connected with F type fashioned iron, and anchor tie plate is installed in the extraneous concrete of expansion joint two sides.
5. bridge expansion joint installation as described in claim 1, which is characterized in that the bottom of the F type section steel beam is equipped with gate-type steel
The anchor tie plate bottom of muscle, gate-type reinforcing bar and respective side is welded and affixed with the pedestal of F type section steel beam, and gate-type reinforcing bar is embedded in advance
In the concrete of expansion joint two sides；The longitudinal reinforcement for being parallel to expansion joint is buried respectively in four corners of the gate-type reinforcing bar.
6. bridge expansion joint installation as described in claim 1, which is characterized in that the opening lower part of the F type section steel beam notch
For convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150705.6A CN108867356A (en) | 2018-09-29 | 2018-09-29 | Bridge expansion joint installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150705.6A CN108867356A (en) | 2018-09-29 | 2018-09-29 | Bridge expansion joint installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108867356A true CN108867356A (en) | 2018-11-23 |
Family
ID=64324996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811150705.6A Pending CN108867356A (en) | 2018-09-29 | 2018-09-29 | Bridge expansion joint installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108867356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700080A (en) * | 2019-10-16 | 2020-01-17 | 中铁大桥局集团有限公司 | Anti-falling waterproof device for beam end of large-span bridge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4138347A1 (en) * | 1991-11-21 | 1993-05-27 | Alfred Hartkorn | Watertight construction joint for bridges etc. - Has seal covered in flush metal plate which can slide over supporting areas at its edges |
| CN105274935A (en) * | 2015-10-30 | 2016-01-27 | 苏州柯利达装饰股份有限公司 | Expansion joint component |
| CN105951588A (en) * | 2016-06-17 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Single-joint extensible device and bridge |
| CN205775825U (en) * | 2016-06-17 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | There is the retractor device of lower support platform |
| CN207227945U (en) * | 2016-08-25 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge with pressure-bearing connection |
| CN209144645U (en) * | 2018-09-29 | 2019-07-23 | 合诚工程咨询集团股份有限公司 | A kind of bridge expansion joint installation |
-
2018
- 2018-09-29 CN CN201811150705.6A patent/CN108867356A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4138347A1 (en) * | 1991-11-21 | 1993-05-27 | Alfred Hartkorn | Watertight construction joint for bridges etc. - Has seal covered in flush metal plate which can slide over supporting areas at its edges |
| CN105274935A (en) * | 2015-10-30 | 2016-01-27 | 苏州柯利达装饰股份有限公司 | Expansion joint component |
| CN105951588A (en) * | 2016-06-17 | 2016-09-21 | 中铁第四勘察设计院集团有限公司 | Single-joint extensible device and bridge |
| CN205775825U (en) * | 2016-06-17 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | There is the retractor device of lower support platform |
| CN207227945U (en) * | 2016-08-25 | 2018-04-13 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge with pressure-bearing connection |
| CN209144645U (en) * | 2018-09-29 | 2019-07-23 | 合诚工程咨询集团股份有限公司 | A kind of bridge expansion joint installation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700080A (en) * | 2019-10-16 | 2020-01-17 | 中铁大桥局集团有限公司 | Anti-falling waterproof device for beam end of large-span bridge |
| CN110700080B (en) * | 2019-10-16 | 2021-10-15 | 中铁大桥局集团有限公司 | Anti-falling waterproof device for beam end of large-span bridge |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |