CN220266290U - Flexible telescopic paving structure for bridge-tunnel deformation joint - Google Patents
Flexible telescopic paving structure for bridge-tunnel deformation joint Download PDFInfo
- Publication number
- CN220266290U CN220266290U CN202321743998.5U CN202321743998U CN220266290U CN 220266290 U CN220266290 U CN 220266290U CN 202321743998 U CN202321743998 U CN 202321743998U CN 220266290 U CN220266290 U CN 220266290U
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- bridge
- flexible telescopic
- tunnel
- foundation
- clamped
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- 239000010426 asphalt Substances 0.000 claims abstract description 17
- 239000004576 sand Substances 0.000 claims abstract description 15
- 239000004575 stone Substances 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to a flexible telescopic paving structure of a bridge-tunnel deformation joint, which comprises a foundation and asphalt pavements, wherein a flexible telescopic structure is arranged above the foundation, the flexible telescopic structure comprises a conducting rod clamped between two asphalt pavements, three caulking strips are clamped inside the foundation, two positioning blocks are fixedly arranged on the outer wall of the bottom of the conducting rod, and a supporting rod is clamped between the two asphalt pavements. This flexible telescopic pavement structure of bridge and tunnel movement joint, through the effect of sand stone layer, reinforcement layer and concrete layer, improved the pliability on bridge and tunnel road surface, through bracing piece, connecting block, conducting rod and caulking strip's effect, the quick pressure with bridge and tunnel road surface carries out conduction dispersion, has alleviateed the pressure on bridge and tunnel road surface, has solved the situation of stubborn diseases such as bridge and tunnel road surface fracture, rut, has prolonged bridge and tunnel movement joint and has mated formation life, has improved the security that whole bridge and tunnel road surface was driven.
Description
Technical Field
The utility model relates to the technical field of bridge tunnel pavement, in particular to a flexible telescopic pavement structure of a bridge tunnel deformation joint.
Background
The main body structure of the concrete bridge and the tunnel is formed by pouring cement concrete, and a deformation joint is arranged at intervals of about 30-60 m in order to adapt to the expansion deformation of the cement concrete due to the temperature and humidity change. The deformation joint position can produce horizontal or vertical deformation in the operation process, so that asphalt pavement on the deformation joint position can generally produce more reflection cracks after passing for 1-2 years, and the deformation joint treatment effect is a key problem affecting the service life and the use comfort of the bridge and tunnel pavement structure.
At present, road and bridge engineers generally treat through a plurality of different deformation joint treatment schemes in actual construction, such as waterproof coiled materials and polyester fiber geotextile, but the treatment effect is poor, and conventional asphalt mixture is adopted for paving a pavement layer to continuously pave, so that the deformation joint is often frequently repaired and broken due to poor deformation resistance, if a steel member expansion joint is adopted, the conditions of cracking, rutting and other stubborn diseases can occur, and therefore, the flexible telescopic pavement structure of the bridge and tunnel deformation joint is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a flexible telescopic paving structure for a bridge-tunnel deformation joint, which has the advantages of improving the safety of the whole pavement, prolonging the service life and the like, and solves the problems that the deformation joint is often frequently repaired and damaged due to poor deformation resistance, and if a steel member expansion joint is adopted, the situation of cracking, rutting and other stubborn diseases can occur.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the flexible telescopic paving structure of the bridge-tunnel deformation joint comprises a foundation and an asphalt pavement, wherein a flexible telescopic structure is arranged above the foundation;
the flexible telescopic structure comprises a conducting rod which is clamped between two asphalt pavements, caulking strips with the number of three are clamped inside the foundation, positioning blocks with the number of two are fixedly installed on the outer wall of the bottom of the conducting rod, supporting rods are clamped between the asphalt pavements, five connecting blocks with the number of five are fixedly installed on the bottom of the supporting rods, flexible filling layers are filled between the conducting rod and the supporting rods, sand stone layers are fixedly installed on the outer walls of the tops of the supporting rods, reinforcing layers are fixedly installed on the outer walls of the tops of the sand stone layers, and concrete layers are fixedly installed on the outer walls of the tops of the reinforcing layers.
Further, the inside of foundation has offered the mounting groove that is three in quantity, caulking strip joint is in the inside of mounting groove and size looks adaptation.
Further, the outer wall of the top of the foundation is provided with two clamping grooves, and the positioning blocks are clamped in the clamping grooves and are adaptive in size.
Further, the top outer wall of the conduction rod is provided with five connecting grooves, and the connecting blocks are clamped in the connecting grooves and are adaptive in size.
Further, the left and right sides of bracing piece extend to the inside of two bituminous paving respectively, the length of bracing piece is the same with the length between two bituminous paving opposite sides.
Further, the particle size in the sand layer is 25mm-30mm.
Further, the shapes of the conductive rod and the supporting rod are rectangular.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this flexible telescopic pavement structure of bridge and tunnel movement joint, through the effect of sand stone layer, reinforcement layer and concrete layer, improved the pliability on bridge and tunnel road surface, through bracing piece, connecting block, conducting rod and caulking strip's effect, the quick pressure with bridge and tunnel road surface carries out conduction dispersion, has alleviateed the pressure on bridge and tunnel road surface, has solved the situation of stubborn diseases such as bridge and tunnel road surface fracture, rut, has prolonged bridge and tunnel movement joint and has mated formation life, has improved the security that whole bridge and tunnel road surface was driven.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic top view of the conductive rod of the present utility model.
In the figure: 1. a foundation; 2. asphalt pavement; 3. a conductive rod; 4. caulking strips; 5. a support rod; 6. a connecting block; 7. a positioning block; 8. a flexible filler layer; 9. a sand layer; 10. a reinforcing layer; 11. and (3) a concrete layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a flexible telescopic paving structure for a bridge-tunnel deformation joint in this embodiment includes a foundation 1 and an asphalt pavement 2, and a flexible telescopic structure is arranged above the foundation 1.
The flexible telescopic structure includes the conduction pole 3 of joint between two bituminous paving 2, the inside joint of foundation 1 has the caulking strip 4 that the quantity is three, the mounting groove that the quantity is three is offered to the inside of foundation 1, caulking strip 4 joint is in the inside of mounting groove and big or small looks adaptation, the fixed mounting of bottom outer wall of conduction pole 3 has the locating piece 7 that the quantity is two, the draw-in groove that the quantity is two is offered to the top outer wall of foundation 1, the locating piece 7 joint is in the inside of draw-in groove and big or small looks adaptation, the joint has bracing piece 5 between two bituminous paving 2, the shape of conduction pole 3 and bracing piece 5 is the rectangle, the left and right sides of bracing piece 5 extends to the inside of two bituminous paving 2 respectively, the length of bracing piece 5 is the same with the length between two bituminous paving 2 looks backs, the bottom fixed mounting of bracing piece 5 has a quantity to be five connecting pieces 6, the connecting groove that the quantity is five is offered to the top outer wall of conduction pole 3, the connecting piece 6 joint has the inside of connecting groove and big or small looks adaptation, it has the fixed layer of sand layer 10 mm to fill between flexible layer 8, the sand layer 9 mm is installed to the outer wall layer 10 mm of sand layer 10, the outer wall of layer 10 mm is installed to the outer wall of layer 10 mm between the sand layer of layer between the sand layer 3 and the top layer 5.
In this embodiment, the installation groove and the clamping groove formed in the foundation 1 are both preset grooves.
In this embodiment, one half of the height of the asphalt pavement 2 is filled, the supporting rod 5 is placed inside the asphalt pavement 2, and the other half of the asphalt pavement 2 is filled to fix the supporting rod 5.
In this embodiment, the flexible filler layer 8 increases the flexibility of the interior of the bridge-tunnel pavement.
The working principle of the embodiment is as follows:
firstly, joint strip 4 joint is in the inside of foundation 1, then place the top outer wall at joint strip 4 with conducting rod 3 and rather than swing joint, locating piece 7 can block into the top outer wall of foundation 1 simultaneously, at this moment again with connecting block 6 card into the top outer wall of conducting rod 3, make bracing piece 5 joint in the inside of two bituminous paving 2 simultaneously, again with packing flexible filling layer 8 between conducting rod 3 and the bracing piece 5, pack sand stone layer 9, reinforcement layer 10 and concrete layer 11 layer by layer at the top of bracing piece 5 respectively, the anti rutting performance of bridge and tunnel road surface has been improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a flexible structure of mating formation of bridge and tunnel movement joint, includes ground (1) and bituminous paving (2), its characterized in that: a flexible telescopic structure is arranged above the foundation (1);
the flexible telescopic structure comprises a conducting rod (3) which is clamped between two asphalt pavements (2), caulking strips (4) with three quantity are clamped inside a foundation (1), positioning blocks (7) with two quantity are fixedly arranged on the outer wall of the bottom of the conducting rod (3), supporting rods (5) are clamped between the two asphalt pavements (2), five connecting blocks (6) are fixedly arranged on the bottom of the supporting rods (5), flexible filling layers (8) are filled between the conducting rod (3) and the supporting rods (5), sand stone layers (9) are fixedly arranged on the outer wall of the top of the supporting rods (5), reinforcing layers (10) are fixedly arranged on the outer wall of the top of the sand stone layers (9), and concrete layers (11) are fixedly arranged on the outer wall of the top of the reinforcing layers (10).
2. The flexible telescopic paving structure of the bridge-tunnel deformation joint according to claim 1, wherein: the foundation (1) is internally provided with three mounting grooves, and the caulking strips (4) are clamped in the mounting grooves and are adaptive in size.
3. The flexible telescopic paving structure of the bridge-tunnel deformation joint according to claim 1, wherein: the foundation (1) is characterized in that two clamping grooves are formed in the outer wall of the top of the foundation, and the positioning blocks (7) are clamped in the clamping grooves and are matched with each other in size.
4. The flexible telescopic paving structure of the bridge-tunnel deformation joint according to claim 1, wherein: the top outer wall of the conducting rod (3) is provided with five connecting grooves, and the connecting blocks (6) are clamped in the connecting grooves and are adaptive to the connecting grooves in size.
5. The flexible telescopic paving structure of the bridge-tunnel deformation joint according to claim 1, wherein: the left side and the right side of the supporting rod (5) extend towards the inside of the two asphalt pavements (2) respectively, and the length of the supporting rod (5) is the same as the length between the opposite sides of the two asphalt pavements (2).
6. The flexible telescopic paving structure of the bridge-tunnel deformation joint according to claim 1, wherein: the particle size of the sand and stone layer (9) is 25mm-30mm.
7. The flexible telescopic paving structure of the bridge-tunnel deformation joint according to claim 1, wherein: the conducting rod (3) and the supporting rod (5) are rectangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743998.5U CN220266290U (en) | 2023-07-05 | 2023-07-05 | Flexible telescopic paving structure for bridge-tunnel deformation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743998.5U CN220266290U (en) | 2023-07-05 | 2023-07-05 | Flexible telescopic paving structure for bridge-tunnel deformation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220266290U true CN220266290U (en) | 2023-12-29 |
Family
ID=89313028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321743998.5U Active CN220266290U (en) | 2023-07-05 | 2023-07-05 | Flexible telescopic paving structure for bridge-tunnel deformation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220266290U (en) |
-
2023
- 2023-07-05 CN CN202321743998.5U patent/CN220266290U/en active Active
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