CN114908635B - Quick-replaceable composite road expansion joint shock absorption self-adjusting system - Google Patents
Quick-replaceable composite road expansion joint shock absorption self-adjusting system Download PDFInfo
- Publication number
- CN114908635B CN114908635B CN202210589507.XA CN202210589507A CN114908635B CN 114908635 B CN114908635 B CN 114908635B CN 202210589507 A CN202210589507 A CN 202210589507A CN 114908635 B CN114908635 B CN 114908635B
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- damping
- strips
- plates
- dustproof frames
- Prior art date
- 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.)
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Links
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 230000035939 shock Effects 0.000 title claims description 24
- 238000010521 absorption reaction Methods 0.000 title claims description 7
- 238000013016 damping Methods 0.000 claims abstract description 35
- 239000010410 layer Substances 0.000 claims description 26
- 239000004567 concrete Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000011384 asphalt concrete Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 6
- 239000002344 surface layer Substances 0.000 claims description 4
- 229920001821 foam rubber Polymers 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000945 filler Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/10—Packing of plastic or elastic materials, e.g. wood, resin
- E01C11/106—Joints with only prefabricated packing; Packings therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
- E01C11/18—Reinforcements for cement concrete pavings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses a quick-replaceable composite pavement expansion joint damping self-adjusting system, which comprises comb plates positioned on the surface, embedded parts positioned in the comb plates, anchor plates, dustproof frames, damping strips and filling strips, wherein the comb plates, the dustproof frames and the damping strips are positioned on two sides of an expansion joint, the dustproof frames are C-shaped, the dustproof frames on the two sides are mutually overlapped so as to enclose the periphery, the dustproof frames are fixedly arranged on the anchor plates, the anchor plates are fixedly arranged on the embedded parts, the damping strips comprise long plates positioned on the upper layer and the lower layer and damping springs distributed between the long plates on the upper layer and the lower layer, the inner sides of a top plate and a bottom plate on the dustproof frames are respectively provided with through-length clamping grooves, the damping strips are transversely embedded into the dustproof frames from the side surfaces through the long plates on the upper layer and the lower layer, the damping strips on the two sides are respectively supported by the dustproof frames on the two sides, and the filling strips are filled in the expansion joint and extend to the dustproof frames. The invention makes the expansion joint stress even, has leveling effect, realizes 'nondestructive maintenance' and prevents sundries from falling into the joint.
Description
Technical Field
The invention belongs to the field of road engineering, and particularly relates to a quick-replaceable composite road expansion joint damping self-adjusting system.
Background
The composite pavement has the advantages of high strength, good durability and the like, and is favored in high-grade road construction. At present, when the expansion joint commonly used is constructed, the concrete surface layer needs to be grooved, the expansion joint device can be installed and steel fiber concrete is poured, but the flatness of the manual grooving can not be effectively guaranteed, the damping effect of the device is insufficient, driving comfort is poor easily, the expansion joint and the surrounding pavement structure can be maintained after diseases are broken, the breaking workload is large, the recovery speed is low, and the influence time on traffic along the line is long.
Disclosure of Invention
The invention aims to provide a quick-replaceable composite road expansion joint shock absorption self-regulating system, which ensures that the expansion joint is uniformly stressed, has a leveling effect, realizes 'nondestructive maintenance', and prevents sundries from falling into the joint.
The technical scheme adopted by the invention is as follows:
but quick-change's combined type road surface expansion joint shock attenuation self-regulating system, transversely lead to long telescopic joint department that sets up at combined type road surface, including comb plate and the built-in fitting that is located the surface, the anchor board, dustproof frame, shock attenuation strip and filler strip, comb plate, dustproof frame and shock attenuation strip all are located the expansion joint both sides, thereby dustproof frame is C shape and the mutual overlap joint of dustproof frame of both sides is enclosed all around, the dustproof frame is installed and is fixed on the anchor board, the anchor board is installed and is fixed on the built-in fitting, the shock attenuation strip is including the long board that is located upper and lower floor and the shock attenuation spring that installs between upper and lower floor long board that distributes, the inboard of roof and bottom plate all is equipped with logical long draw-in groove on the dustproof frame, the shock attenuation strip passes through the long board cooperation draw-in groove of upper and lower floor, transversely imbeds the dustproof frame from the side, the shock attenuation strip of both sides supports the comb plate of both sides respectively, filler strip filling in the expansion joint and top extension to the dustproof frame.
Further, the composite pavement comprises a concrete layer as a base layer and an asphalt concrete layer as a surface layer, and the asphalt concrete layer and the upper part of the concrete layer are replaced by steel fiber concrete at the expansion joints.
Further, the embedded part comprises a transverse upper embedded bar, a transverse lower embedded bar and an annular embedded bar sleeved on the upper embedded bar and the lower embedded bar along the line, the anchor plate penetrates through the upper embedded bar and is fixedly welded with the annular embedded bar, the lower part of the annular embedded bar and the lower embedded bar are located in the concrete layer, and the anchor plate, the upper embedded bar and the upper part of the annular embedded bar are located in the steel fiber concrete.
Further, the single length of the damping strip is 1.5-4.5 m.
Further, the long plate adopts a metal plate, the damping spring adopts a high-strength damping spring, and the high-strength damping spring is welded and fixed with the metal plate.
Further, the filling strips are foam rubber strips.
The beneficial effects of the invention are as follows:
the damping strips at the two sides form stable support for the comb-shaped plates at the two sides, so that the stress of the expansion joint is more uniform, the deformation is more coordinated, the vibration caused by driving load is reduced, and the driving is more comfortable; the damping strip not only can damp, but also can automatically adjust the supporting force by utilizing the elasticity of the damping spring and the flatness of the long plate, so that the problem of insufficient slotting flatness is solved, and the leveling effect is achieved; the vibration absorbing strip is mounted in a mode of being transversely embedded from the side face, so that the vibration absorbing strip is convenient to assemble and disassemble, and in the road operation process, if the vibration absorbing strip is damaged, the vibration absorbing strip can be taken out from the side face for replacement, so that damage to other parts is avoided, and nondestructive maintenance is realized; the installation mode of the dustproof frame is convenient for installation and guiding of the damping strips, sundries can be prevented from falling into the slots, and normal expansion and contraction of the expansion slots are not affected; the filler strips further prevent the roadbed from being damaged by rainwater infiltration.
Drawings
FIG. 1 is a longitudinal cross sectional view of a quick-change composite pavement expansion joint shock absorbing self-regulating system in an embodiment of the invention.
Fig. 2 is a schematic view illustrating the installation of the comb plate, dust frame and shock absorbing strip of fig. 1.
In the figure: 1-a concrete layer; 2-an asphalt concrete layer; 3-steel fiber concrete; 4-comb-shaped plates; 5-an anchor plate; 6, a dustproof frame; 7-a damping spring; 8-long plates; 9-upper embedded bars; 10-embedding bars at the lower part; 11-annular embedded bars; 12-filling strips.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 and 2, a but quick-change's combined type road surface expansion joint shock attenuation self-regulating system, transversely lead to the expansion joint department of long setting at combined type road surface, including comb plate 4 and the built-in fitting that is located inside that is located on surface, anchor board 5, dustproof frame 6, shock attenuation strip and filler strip 12, comb plate 4, dustproof frame 6 and shock attenuation strip all are located the expansion joint both sides, thereby dustproof frame 6 that dustproof frame 6 is C shape and both sides overlap joint each other and seal all around, thereby dustproof frame 6 installs and fixes on anchor board 5, anchor board 5 installs and fixes on the built-in fitting, shock attenuation strip is including the long board 8 that is located upper and lower floor and the shock attenuation spring 7 that installs between upper and lower floor long board 8 that distributes, the inboard of roof and bottom plate all is equipped with the draw-in groove that leads to on the dustproof frame 6, the shock attenuation strip passes through upper and lower floor's long board 8 cooperation draw-in groove, transversely imbeds dustproof frame 6 from the side, the shock attenuation strip of both sides supports the comb plate 4 of both sides through the dustproof frame 6 of both sides respectively, filler strip 12 fills in the expansion joint and top extends to dustproof frame 6.
In the invention, the damping strips at two sides form stable support for the comb-shaped plates 4 at two sides, so that the stress of the expansion joint is more uniform, the deformation is more coordinated, the vibration caused by driving load is reduced, and the driving is more comfortable; the damping strip not only can damp, but also can automatically adjust the supporting force by utilizing the elasticity of the damping spring 7 and the flatness of the long plate 8, so that the problem of insufficient grooving flatness is solved, and the leveling effect is achieved; the vibration absorbing strip is mounted in a mode of being transversely embedded from the side face, so that the vibration absorbing strip is convenient to assemble and disassemble, and in the road operation process, if the vibration absorbing strip is damaged, the vibration absorbing strip can be taken out from the side face for replacement, so that damage to other parts is avoided, and nondestructive maintenance is realized; the installation mode of the dustproof frame 6 is convenient for installation and guiding of the damping strips, can prevent sundries from falling into the joints, and does not influence the normal expansion and contraction of the expansion joints; the filler strip 12 further prevents rain water from penetrating down to damage the subgrade.
As shown in fig. 1, in the present embodiment, the composite pavement includes a concrete layer 1 as a base layer and an asphalt concrete layer 2 as a surface layer, and at the expansion joint, the asphalt concrete layer 2 and the upper portion of the concrete layer 1 are replaced with steel fiber concrete 3.
As shown in fig. 1, in this embodiment, the embedded part includes a transverse upper embedded bar 9, a transverse lower embedded bar 10, an annular embedded bar 11 sleeved on the upper embedded bar 9 and the lower embedded bar 10 along the line, the anchor plate 5 passes through the upper embedded bar 9 and is welded and fixed with the annular embedded bar 11, the lower part of the annular embedded bar 11 and the lower embedded bar 10 are located in the concrete layer 1, and the upper parts of the anchor plate 5, the upper embedded bar 9 and the annular embedded bar 11 are located in the steel fiber concrete 3.
In the embodiment, the single damping strip is 1.5-4.5 m long, so that the damping strip is convenient to assemble and disassemble, can be used in multiple modes when the composite pavement is too wide, and can be inserted from the side face in sequence.
In this embodiment, the long plate 8 may be a metal plate, and the damper spring 7 may be a high-strength damper spring, which is welded to the metal plate.
In this embodiment, the filler strip 12 may be a foamed rubber strip.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (5)
1. But quick replacement's combined type road surface expansion joint shock attenuation self-regulating system, its characterized in that: the expansion joint of the composite pavement is transversely arranged at the expansion joint of the composite pavement in a through mode, the composite pavement comprises comb-shaped plates positioned on the surface, embedded parts, anchor plates, dustproof frames, damping strips and filling strips, the embedded parts, the anchor plates, the dustproof frames, the damping strips and the filling strips are positioned on two sides of the expansion joint, the comb-shaped plates, the dustproof frames and the damping strips are all positioned on the two sides of the expansion joint, the dustproof frames are in a C shape and are mutually overlapped to enclose and seal the periphery, the dustproof frames are fixedly arranged on the anchor plates, the anchor plates are fixedly arranged on the embedded parts, the damping strips comprise long plates positioned on the upper layer and the lower layer and damping springs arranged between the long plates on the upper layer and the lower layer in a distributed mode, the inner sides of a top plate and a bottom plate on the dustproof frames are respectively provided with through-length clamping grooves, the damping strips are transversely embedded into the dustproof frames from the side surfaces through the long plates on the upper layer and the lower layer, the damping strips on the two sides are respectively supported by the dustproof frames on the two sides, and the filling strips are filled in the expansion joint and extend to the dustproof frames; the single length of the damping strip is 1.5-4.5 m.
2. The quick-replaceable composite pavement expansion joint shock absorption self-adjusting system as set forth in claim 1, wherein: the composite pavement comprises a concrete layer serving as a base layer and an asphalt concrete layer serving as a surface layer, wherein the upper parts of the asphalt concrete layer and the concrete layer are replaced by steel fiber concrete at the expansion joints.
3. The quick-replaceable composite pavement expansion joint shock absorption self-adjusting system as set forth in claim 2, wherein: the embedded part comprises a transverse upper embedded bar, a transverse lower embedded bar and an annular embedded bar sleeved on the upper embedded bar and the lower embedded bar along the line, wherein the anchoring plate penetrates through the upper embedded bar and is fixedly welded with the annular embedded bar, the lower part of the annular embedded bar and the lower embedded bar are positioned in the concrete layer, and the anchoring plate, the upper embedded bar and the upper part of the annular embedded bar are positioned in the steel fiber concrete.
4. The quick-replaceable composite pavement expansion joint shock absorption self-adjusting system as set forth in claim 1, wherein: the long plate adopts a metal plate, the damping spring adopts a high-strength damping spring, and the high-strength damping spring is welded and fixed with the metal plate.
5. The quick-replaceable composite pavement expansion joint shock absorption self-adjusting system as set forth in claim 1, wherein: the filling strips are foam rubber strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589507.XA CN114908635B (en) | 2022-05-26 | 2022-05-26 | Quick-replaceable composite road expansion joint shock absorption self-adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210589507.XA CN114908635B (en) | 2022-05-26 | 2022-05-26 | Quick-replaceable composite road expansion joint shock absorption self-adjusting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114908635A CN114908635A (en) | 2022-08-16 |
| CN114908635B true CN114908635B (en) | 2023-12-05 |
Family
ID=82769103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210589507.XA Active CN114908635B (en) | 2022-05-26 | 2022-05-26 | Quick-replaceable composite road expansion joint shock absorption self-adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114908635B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943872A1 (en) * | 1979-10-30 | 1981-05-14 | Motonosuke Ashiya Hyogo Arai | Bridge concrete road slab expansion joint seal - has elastic unit between rearward reinforced top parts of vertical plates |
| CN205276086U (en) * | 2015-11-27 | 2016-06-01 | 中冶南方工程技术有限公司 | Expansion joint device is handled to combined type road surface tip |
| CN205399204U (en) * | 2016-03-10 | 2016-07-27 | 金陵科技学院 | Take bridge expansion joint of early warning structure |
| CN206667044U (en) * | 2017-04-06 | 2017-11-24 | 仲亮 | A kind of Highway-bridge Expansion Joints |
| CN110485287A (en) * | 2019-09-02 | 2019-11-22 | 河南邦特威机电设备有限公司 | A kind of shock-absorbing type bridge expansion joint structure |
| CN210262692U (en) * | 2019-04-24 | 2020-04-07 | 薛海宁 | Shock-absorbing structure of bridge expansion joint |
| CN210597006U (en) * | 2019-09-11 | 2020-05-22 | 衡水华瑞工程橡胶有限责任公司 | Expansion joint dust keeper for bridge maintenance |
| CN210712542U (en) * | 2019-08-21 | 2020-06-09 | 江苏路耐德公路养护技术有限公司 | Flexible bridge expansion joint structure |
| CN211547312U (en) * | 2019-11-04 | 2020-09-22 | 山西四建集团有限公司 | Structure for radically treating water leakage of bridge expansion joint |
| CN212956114U (en) * | 2020-07-02 | 2021-04-13 | 浙江恒昌建设有限公司 | Bridge expansion joint |
| CN213233842U (en) * | 2020-06-30 | 2021-05-18 | 赵银栓 | Expansion joint device is built in room |
| CN213390613U (en) * | 2020-08-13 | 2021-06-08 | 张纪峰 | Expansion joint structure of building structure design |
| CN113250076A (en) * | 2021-06-11 | 2021-08-13 | 西安建筑科技大学 | Civil engineering expansion joint waterproof construction |
| CN113718641A (en) * | 2021-08-20 | 2021-11-30 | 浙江数智交院科技股份有限公司 | Construction and maintenance method for expansion joint of perforated plate connecting piece |
-
2022
- 2022-05-26 CN CN202210589507.XA patent/CN114908635B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943872A1 (en) * | 1979-10-30 | 1981-05-14 | Motonosuke Ashiya Hyogo Arai | Bridge concrete road slab expansion joint seal - has elastic unit between rearward reinforced top parts of vertical plates |
| CN205276086U (en) * | 2015-11-27 | 2016-06-01 | 中冶南方工程技术有限公司 | Expansion joint device is handled to combined type road surface tip |
| CN205399204U (en) * | 2016-03-10 | 2016-07-27 | 金陵科技学院 | Take bridge expansion joint of early warning structure |
| CN206667044U (en) * | 2017-04-06 | 2017-11-24 | 仲亮 | A kind of Highway-bridge Expansion Joints |
| CN210262692U (en) * | 2019-04-24 | 2020-04-07 | 薛海宁 | Shock-absorbing structure of bridge expansion joint |
| CN210712542U (en) * | 2019-08-21 | 2020-06-09 | 江苏路耐德公路养护技术有限公司 | Flexible bridge expansion joint structure |
| CN110485287A (en) * | 2019-09-02 | 2019-11-22 | 河南邦特威机电设备有限公司 | A kind of shock-absorbing type bridge expansion joint structure |
| CN210597006U (en) * | 2019-09-11 | 2020-05-22 | 衡水华瑞工程橡胶有限责任公司 | Expansion joint dust keeper for bridge maintenance |
| CN211547312U (en) * | 2019-11-04 | 2020-09-22 | 山西四建集团有限公司 | Structure for radically treating water leakage of bridge expansion joint |
| CN213233842U (en) * | 2020-06-30 | 2021-05-18 | 赵银栓 | Expansion joint device is built in room |
| CN212956114U (en) * | 2020-07-02 | 2021-04-13 | 浙江恒昌建设有限公司 | Bridge expansion joint |
| CN213390613U (en) * | 2020-08-13 | 2021-06-08 | 张纪峰 | Expansion joint structure of building structure design |
| CN113250076A (en) * | 2021-06-11 | 2021-08-13 | 西安建筑科技大学 | Civil engineering expansion joint waterproof construction |
| CN113718641A (en) * | 2021-08-20 | 2021-11-30 | 浙江数智交院科技股份有限公司 | Construction and maintenance method for expansion joint of perforated plate connecting piece |
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| Publication number | Publication date |
|---|---|
| CN114908635A (en) | 2022-08-16 |
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