CN106869021A - A kind of bridge expanssion joint transition region concrete structure of long service life - Google Patents
A kind of bridge expanssion joint transition region concrete structure of long service life Download PDFInfo
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- CN106869021A CN106869021A CN201710226202.1A CN201710226202A CN106869021A CN 106869021 A CN106869021 A CN 106869021A CN 201710226202 A CN201710226202 A CN 201710226202A CN 106869021 A CN106869021 A CN 106869021A
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- fixedly connected
- layer
- service life
- transition region
- long service
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to bridge construction equipment technical field, and disclose a kind of bridge expanssion joint transition region concrete structure of long service life, including substrate, the upper surface of substrate is fixedly connected with lightweight concrete layer, side inside lightweight concrete layer is fixedly connected with lower fixed block, the top of lower fixed block is fixedly connected with lower connecting block, the top of lower connecting block is fixedly connected with horizontal drawing steel band, light steel center pillar is fixedly connected with the middle part of horizontal drawing steel band, gently fixing bolt is fixedly connected between steel center pillar and horizontal drawing steel band, the top of horizontal drawing steel band is fixedly connected with the upper contiguous block positioned at the internal opposite side of lightweight concrete layer.The bridge expanssion joint transition region concrete structure of the long service life, by setting main bolster and time bolster, main bolster is fixedly connected on inside link slot using pin, and secondary bolster is fixedly connected on the inside of cement mortar adhesive coating layer, it is ensured that life-span when bar-mat reinforcement surface layer is used.
Description
Technical field
The present invention relates to bridge construction equipment technical field, the bridge expanssion joint transition region of specially a kind of long service life
Concrete structure.
Background technology
The destruction status investigation of bridge expanssion joint is found with statistical analysis according to relevant department：In common expansion joint problem
The serious expansion joint of nearly all destruction is all relevant with joint filling and concrete, mainly has joint filling that hole, hardening, cracking, pine occur
Relax or tear, and concrete stripping block or cracking.The origin cause of formation of these problems includes traffic load-carrying, shovel snow Plow destructions, weather, poor quality
Installing, inferior material and expansion joint species are also to stretch the reason for wherein transition region concrete quality difference is most direct from improper
The disease that contracting seam shows at first.Disease occurs in transition region concrete will cause the destruction of whole expansion joint anchoring system, and then
Cause the destruction of whole expansion gap device and failure, therefore, we have proposed a kind of bridge expanssion joint transition of long service life
Area concrete structure solves the above problems.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of bridge expanssion joint transition region concrete knot of long service life
Structure, the advantage for possessing long service life solves the problems, such as that existing equipment service life is not long.
（Two）Technical scheme
To realize the purpose of above-mentioned long service life, the present invention provides following technical scheme：A kind of bridge of long service life is stretched
Contracting seam transition region concrete structure, including substrate, the upper surface of the substrate are fixedly connected with lightweight concrete layer, the lightweight
Side inside concrete layer is fixedly connected with lower fixed block, and the top of the lower fixed block is fixedly connected with lower connecting block, institute
The top for stating lower connecting block is fixedly connected with horizontal drawing steel band, and light steel center pillar is fixedly connected with the middle part of the horizontal drawing steel band, described
Light that fixing bolt is fixedly connected between steel center pillar and horizontal drawing steel band, the horizontal top for drawing steel band is fixedly connected with positioned at lightweight
The upper contiguous block of concrete layer inside opposite side, the top of the upper contiguous block is fixedly connected with fixed block, and the lightweight is mixed
Solidifying soil layer is fixedly connected with coat of plaster away from the side of substrate, and the side away from lightweight concrete layer of the coat of plaster is fixed and connected
Reinforcing lightweight layer is connected to, the lightweight layer of reinforcing is fixedly connected with interface agent coating, the boundary away from the side of coat of plaster
The surface of face agent coating is offered positioned at the link slot for reinforcing lightweight layer upper surface middle part, and the link slot runs through and extends to
The inside of lightweight layer is reinforced, main bolster is fixedly connected with the link slot, the both sides of the main bolster bottom are fixed to be connected
Pin is connected to, the pin runs through and extend to the inside for reinforcing lightweight layer, and the top of the main bolster is fixedly connected with steel
Muscle wire side layer, is filled with cement mortar adhesive coating layer, the cement mortar snearing between the bar-mat reinforcement surface layer and interface agent coating
The inside of layer is fixedly connected with time bolster, and the bar-mat reinforcement surface layer is fixedly connected with cement away from the side of cement mortar adhesive coating layer
Mortar cover.
Preferably, the quantity of the upper contiguous block is at least six, and six the equidistant of upper contiguous block are fixedly connected on gently
Side inside matter concrete layer, the quantity of the lower connecting block is at least six, and six the equidistant fixed of lower connecting block connect
It is connected on the opposite side inside lightweight concrete layer.
Preferably, the described quantity of bolster at least two, two bolsters are symmetrically fixedly connected on cement mortar and glue
The inside of coating.
Preferably, the upper contiguous block is identical with the specification of lower connecting block.
Preferably, fixed piece it is identical with the specification of lower fixed block.
Preferably, the pin is hot rolling deformation reinforcing bar.
（Three）Beneficial effect
Compared with prior art, the invention provides a kind of bridge expanssion joint transition region concrete structure of long service life, tool
Standby following beneficial effect：
1st, the bridge expanssion joint transition region concrete structure of the long service life, by setting main bolster and time bolster, main bolster
It is fixedly connected on inside link slot using pin, secondary bolster is fixedly connected on the inside of cement mortar adhesive coating layer, it is ensured that reinforcing bar
Life-span when wire side layer is used.
2nd, the bridge expanssion joint transition region concrete structure of the long service life, by setting lightweight concrete layer, lightweight
Concrete layer be lightweight concrete material, conduct oneself with dignity it is relatively low, reduce materials, simultaneously because the presence of concrete and improve structure
Rigidity and stability, and enhance the fire protecting performance of structure.
3rd, the bridge expanssion joint transition region concrete structure of the long service life, by setting interface agent coating, it is ensured that knot
While being firmly bonded between structure, interface agent coating thickness is 1-2 millimeters, the light-weighted effect of reinforcing has also been reached, so as to protect
The practicality of the bridge expanssion joint transition region concrete structure of the long service life is demonstrate,proved.
4th, the bridge expanssion joint transition region concrete structure of the long service life, by set it is horizontal drawing steel band and light steel in
Post, horizontal drawing steel band and light steel center pillar are effectively fixed using fixing bolt, it is ensured that the service life of lightweight concrete layer.
5th, the bridge expanssion joint transition region concrete structure of the long service life, by setting cement mortar protective course, drop
The bridge expanssion joint transition region concrete structure of low long service life loss in use, so as to ensure that this makes
With the practicality of the bridge expanssion joint transition region concrete structure of long lifespan.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 reinforces lightweight layer internal structure schematic diagram for the present invention.
In figure：1 substrate, 2 lightweight concretes layer, fixed block on 3, contiguous block on 4,5 horizontal draw steel bands, 6 light steel center pillars, 7 to consolidate
Determine bolt, 8 coats of plaster, 9 reinforcing lightweight layers, 10 interface agent coatings, 11 link slots, 12 main bolsters, 13 pins, 14 cement mortar
Adhesive coating layer, 15 bolsters, 16 bar-mat reinforcement surface layers, 17 cement mortar protective courses, 18 lower connecting blocks, 19 times fixed blocks.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-2, a kind of bridge expanssion joint transition region concrete structure of long service life, including substrate（1）, base
Bottom（1）Upper surface be fixedly connected with lightweight concrete layer（2）, by setting lightweight concrete layer（2）, lightweight concrete layer
（2）Be lightweight concrete material, conduct oneself with dignity relatively low, reduce materials, simultaneously because the presence of concrete and improve the rigidity of structure
And stability, and the fire protecting performance of structure is enhanced, lightweight concrete layer（2）Internal side is fixedly connected with lower fixed block
（19）, lower fixed block（19）Top be fixedly connected with lower connecting block（18）, lower connecting block（18）Top be fixedly connected with horizontal stroke
Draw steel band（5）, horizontal drawing steel band（5）Middle part be fixedly connected with light steel center pillar（6）, by setting horizontal drawing steel band（5）In light steel
Post（6）, horizontal drawing steel band（5）With light steel center pillar（6）Using fixing bolt（7）Effectively fixed, it is ensured that lightweight concrete
Layer（2）Service life, light steel center pillar（6）With horizontal drawing steel band（5）Between be fixedly connected with fixing bolt（7）, horizontal drawing steel band（5）
Top be fixedly connected with positioned at lightweight concrete layer（2）The upper contiguous block of internal opposite side（4）, upper contiguous block（4）Top
It is fixedly connected with fixed block（3）, upper contiguous block（4）Quantity be at least six, six upper contiguous blocks（4）Equidistant fixation
It is connected to lightweight concrete layer（2）Internal side, lower connecting block（18）Quantity be at least six, six lower connecting blocks（18）
Equidistantly be fixedly connected on lightweight concrete layer（2）Internal opposite side, upper contiguous block（4）And lower connecting block（18）Specification
It is identical, upper fixed block（3）With lower fixed block（19）Specification it is identical, lightweight concrete layer（2）Away from substrate（1）Side fix
It is connected with coat of plaster（8）, coat of plaster（8）Away from lightweight concrete layer（2）Side be fixedly connected with reinforcing lightweight layer
（9）, reinforce lightweight layer（9）Away from coat of plaster（8）Side be fixedly connected with interface agent coating（10）, by setting interfacial agents
Coating（10）, it is ensured that while being firmly bonded between structure, interface agent coating（10）Thickness is 1-2 millimeters, has also reached reinforcing
Light-weighted effect, so as to ensure that the practicality of the bridge expanssion joint transition region concrete structure of the long service life, interface
Agent coating（10）Surface offer positioned at reinforce lightweight layer（9）The link slot of upper surface middle part（11）, link slot（11）Pass through
Wear and extend to reinforcing lightweight layer（9）Inside, link slot（11）Inside it is fixedly connected with main bolster（12）, main bolster（12）Bottom
The both sides at end have been fixedly connected with pin（13）, pin（13）It is hot rolling deformation reinforcing bar, pin（13）Through and extend to reinforcing
Lightweight layer（9）Inside, main bolster（12）Top be fixedly connected with bar-mat reinforcement surface layer（16）, bar-mat reinforcement surface layer（16）With boundary
Face agent coating（10）Between be filled with cement mortar adhesive coating layer（14）, cement mortar adhesive coating layer（14）Inside be fixedly connected with time
Bolster（15）, secondary bolster（15）Quantity at least two, two time bolsters（15）Symmetrically it is fixedly connected on cement mortar snearing
Layer（14）Inside, by setting main bolster（12）With secondary bolster（15）, main bolster（12）Using pin（13）It is fixedly connected on
Link slot（11）Inside, secondary bolster（15）It is fixedly connected on cement mortar adhesive coating layer（14）Inside, it is ensured that bar-mat reinforcement surface layer
（16）Life-span when using, bar-mat reinforcement surface layer（16）Away from cement mortar adhesive coating layer（14）Side be fixedly connected with cement mortar
Protective layer（17）, by setting cement mortar protective course（17）, reduce the long service life bridge expanssion joint transition region mix
Xtah Crude Clay structure loss in use, so as to ensure that the bridge expanssion joint transition region concrete structure of the long service life
Practicality.
In sum, the bridge expanssion joint transition region concrete structure of the long service life, by setting main bolster（12）
With secondary bolster（15）, main bolster（12）Using pin（13）It is fixedly connected on link slot（11）Inside, secondary bolster（15）It is fixed to connect
It is connected on cement mortar adhesive coating layer（14）Inside, it is ensured that bar-mat reinforcement surface layer（16）Life-span when using；
By setting lightweight concrete layer（2）, lightweight concrete layer（2）It is lightweight concrete material, conducts oneself with dignity relatively low, reduces use
Material, simultaneously because the presence of concrete and improve the rigidity and stability of structure, and enhance the fire protecting performance of structure；
By setting interface agent coating（10）, it is ensured that while being firmly bonded between structure, interface agent coating（10）Thickness is 1-2
Millimeter, has also reached the light-weighted effect of reinforcing, so as to ensure that the bridge expanssion joint transition region concrete of the long service life
The practicality of structure；
By setting horizontal drawing steel band（5）With light steel center pillar（6）, horizontal drawing steel band（5）With light steel center pillar（6）Using fixing bolt（7）
Effectively fixed, it is ensured that lightweight concrete layer（2）Service life；
By setting cement mortar protective course（17）, reduce the bridge expanssion joint transition region concrete structure of the long service life
Loss in use, so as to ensure that the practicality of the bridge expanssion joint transition region concrete structure of the long service life
Property.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a kind of bridge expanssion joint transition region concrete structure of long service life, including substrate（1）, it is characterised in that：It is described
Substrate（1）Upper surface can be fixedly connected with lightweight concrete layer（2）, the lightweight concrete layer（2）Internal side is consolidated
Surely it is connected with lower fixed block（19）, the lower fixed block（19）Top be fixedly connected with lower connecting block（18）, the lower connection
Block（18）Top be fixedly connected with horizontal drawing steel band（5）, the horizontal drawing steel band（5）Middle part be fixedly connected with light steel center pillar（6）,
The light steel center pillar（6）With horizontal drawing steel band（5）Between be fixedly connected with fixing bolt（7）, the horizontal drawing steel band（5）Top consolidate
Surely it is connected with positioned at lightweight concrete layer（2）The upper contiguous block of internal opposite side（4）, the upper contiguous block（4）Top fix
It is connected with fixed block（3）；The lightweight concrete layer（2）Away from substrate（1）Side be fixedly connected with coat of plaster（8）, institute
State coat of plaster（8）Away from lightweight concrete layer（2）Side be fixedly connected with reinforcing lightweight layer（9）；The reinforcing light weight
Change layer（9）Away from coat of plaster（8）Side be fixedly connected with interface agent coating（10）, the interface agent coating（10）Surface open
It is provided with positioned at reinforcing lightweight layer（9）The link slot of upper surface middle part（11）, the link slot（11）Through and extend to reinforcing
Lightweight layer（9）Inside, the link slot（11）Inside it is fixedly connected with main bolster（12）, the main bolster（12）The two of bottom
Side has been fixedly connected with pin（13）, the pin（13）Through and extend to reinforcing lightweight layer（9）Inside, the master holds
Frame（12）Top be fixedly connected with bar-mat reinforcement surface layer（16）, the bar-mat reinforcement surface layer（16）With interface agent coating（10）Between fill out
Filled with cement mortar adhesive coating layer（14）, the cement mortar adhesive coating layer（14）Inside be fixedly connected with time bolster（15）, it is described
Bar-mat reinforcement surface layer（16）Away from cement mortar adhesive coating layer（14）Side be fixedly connected with cement mortar protective course（17）.
2. a kind of bridge expanssion joint transition region concrete structure of long service life according to claim 1, its feature exists
In：The upper contiguous block（4）Quantity be at least six, six upper contiguous blocks（4）Equidistantly be fixedly connected on lightweight coagulation
Soil layer（2）Internal side, the lower connecting block（18）Quantity be at least six, six lower connecting blocks（18）It is equidistantly solid
Surely it is connected to lightweight concrete layer（2）Internal opposite side.
3. a kind of bridge expanssion joint transition region concrete structure of long service life according to claim 1, its feature exists
In：Described bolster（15）Quantity at least two, two time bolsters（15）Symmetrically it is fixedly connected on cement mortar adhesive coating layer
（14）Inside.
4. a kind of bridge expanssion joint transition region concrete structure of the long service life according to claim 1-3, its feature
It is：The upper contiguous block（4）And lower connecting block（18）Specification it is identical.
5. a kind of bridge expanssion joint transition region concrete structure of the long service life according to claim 1-4, its feature
It is：Fixed piece（3）With lower fixed block（19）Specification it is identical.
6. a kind of bridge expanssion joint transition region concrete structure of the long service life according to claim 1-4, its feature
It is：The pin（13）It is hot rolling deformation reinforcing bar.
7. the preparation method of the bridge expanssion joint transition region concrete structure of a kind of long service life；The bridge of the long service life
Expansion joint transition region concrete structure, by setting main bolster（12）With secondary bolster（15）, main bolster（12）Using pin（13）
It is fixedly connected on link slot（11）Inside, secondary bolster（15）It is fixedly connected on cement mortar adhesive coating layer（14）Inside, it is ensured that
Bar-mat reinforcement surface layer（16）Life-span when using；By setting lightweight concrete layer（2）, lightweight concrete layer（2）It is lightweight concrete
Material, conducts oneself with dignity relatively low, reduces materials, simultaneously because the presence of concrete and improve the rigidity and stability of structure, and increase
The strong fire protecting performance of structure；By setting interface agent coating（10）, it is ensured that while being firmly bonded between structure, interfacial agents are applied
Layer（10）Thickness is 1-2 millimeters, has also reached the light-weighted effect of reinforcing, so as to the bridge that ensure that the long service life stretches
Stitch the practicality of transition region concrete structure；By setting horizontal drawing steel band（5）With light steel center pillar（6）, horizontal drawing steel band（5）With light steel
Center pillar（6）Using fixing bolt（7）Effectively fixed, it is ensured that lightweight concrete layer（2）Service life；By setting
Cement mortar protective course（17）, reduce the bridge expanssion joint transition region concrete structure of the long service life in use
Loss, so as to ensure that the practicality of the bridge expanssion joint transition region concrete structure of the long service life.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710226202.1A CN106869021B (en) | 2017-04-08 | 2017-04-08 | A kind of bridge expanssion joint transition region concrete structure with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710226202.1A CN106869021B (en) | 2017-04-08 | 2017-04-08 | A kind of bridge expanssion joint transition region concrete structure with long service life |
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| Publication Number | Publication Date |
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| CN106869021A true CN106869021A (en) | 2017-06-20 |
| CN106869021B CN106869021B (en) | 2018-08-17 |
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| CN201710226202.1A Expired - Fee Related CN106869021B (en) | 2017-04-08 | 2017-04-08 | A kind of bridge expanssion joint transition region concrete structure with long service life |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455880A (en) * | 2020-04-17 | 2020-07-28 | 赵春旭 | Bridge expansion joint transition area repairing structure for data measurement and construction method thereof |
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| JP2011074742A (en) * | 2009-10-02 | 2011-04-14 | Juichi Yamauchi | Guide device for water leakage from joint section of road bridge |
| CN203878467U (en) * | 2014-05-09 | 2014-10-15 | 山西省交通科学研究院 | Bridge expansion joint transition area concrete structure |
| CN203977280U (en) * | 2014-02-26 | 2014-12-03 | 魏红雨 | A kind of bridge extension joint |
| CN205369012U (en) * | 2015-12-11 | 2016-07-06 | 重庆交通大学 | Reinforcing bar net of expansion joint changeover portion |
| CN205501812U (en) * | 2016-04-08 | 2016-08-24 | 成都本邦路桥新材料有限公司 | Bridge expansion joint transition area concrete structure |
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2017
- 2017-04-08 CN CN201710226202.1A patent/CN106869021B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011074742A (en) * | 2009-10-02 | 2011-04-14 | Juichi Yamauchi | Guide device for water leakage from joint section of road bridge |
| CN203977280U (en) * | 2014-02-26 | 2014-12-03 | 魏红雨 | A kind of bridge extension joint |
| CN203878467U (en) * | 2014-05-09 | 2014-10-15 | 山西省交通科学研究院 | Bridge expansion joint transition area concrete structure |
| CN205369012U (en) * | 2015-12-11 | 2016-07-06 | 重庆交通大学 | Reinforcing bar net of expansion joint changeover portion |
| CN205501812U (en) * | 2016-04-08 | 2016-08-24 | 成都本邦路桥新材料有限公司 | Bridge expansion joint transition area concrete structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455880A (en) * | 2020-04-17 | 2020-07-28 | 赵春旭 | Bridge expansion joint transition area repairing structure for data measurement and construction method thereof |
| CN111455880B (en) * | 2020-04-17 | 2022-03-18 | 赵春旭 | Bridge expansion joint transition area repairing structure for data measurement and construction method thereof |
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| CN106869021B (en) | 2018-08-17 |
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Inventor after: Li Wei Inventor after: Ning Jianyang Inventor after: Zhang Shuo Inventor after: Zhu Bo Inventor after: Zhu Guangxi Inventor after: Zheng Hua Inventor after: Sang Jibing Inventor after: Li Chunyan Inventor after: Wang Yonghui Inventor after: Li Wei Inventor after: Li Yue Inventor after: Zhang Huanhuan Inventor after: Zhao Zhiqiang Inventor after: Li Yang Inventor before: Zheng Hua |
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Effective date of registration: 20180710 Address after: No. 22, Xianjiao garden, North City, Baoding, Hebei Applicant after: Li Wei Applicant after: Ning Jianyang Applicant after: Zhang Shuo Applicant after: Zhu Bo Applicant after: Zhu Guangxi Applicant after: Zheng Hua Applicant after: Sang Jibing Applicant after: Li Chunyan Applicant after: Wang Yonghui Applicant after: Li Wei Applicant after: Li Yue Applicant after: Zhang Huanhuan Applicant after: Zhao Zhiqiang Applicant after: Li Yang Address before: 071000 Baoding City, Hebei province new Print-Rite Road, No. 2 Applicant before: Zheng Hua |
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