CN220433316U - Road surface paving structure utilizing existing waveform guardrail - Google Patents
Road surface paving structure utilizing existing waveform guardrail Download PDFInfo
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- CN220433316U CN220433316U CN202321734260.2U CN202321734260U CN220433316U CN 220433316 U CN220433316 U CN 220433316U CN 202321734260 U CN202321734260 U CN 202321734260U CN 220433316 U CN220433316 U CN 220433316U
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- 239000010410 layer Substances 0.000 claims abstract description 84
- 230000002787 reinforcement Effects 0.000 claims abstract description 20
- 239000012790 adhesive layer Substances 0.000 claims abstract description 17
- 239000002344 surface layer Substances 0.000 claims abstract description 5
- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 238000010521 absorption reaction Methods 0.000 claims description 20
- 239000011384 asphalt concrete Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 239000010426 asphalt Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The application discloses utilize road surface of existing waveform guardrail to add spreads structure belongs to the road surface and spreads technical field, including original road surface, original stand and waveform guardrail board, original stand is fixed on original road surface, fixed mounting has the connecting block on the original stand, waveform guardrail board and connecting block fixed connection, original stand top is provided with the newly-increased stand, newly-increased stand bottom fixedly connected with sleeve, sleeve fixed cover is established on original stand, run through on the sleeve and be provided with the bolt, set up the through-hole with the bolt looks adaptation on the original stand, stress reinforcement layer has been laid at original road surface top, the road surface layer has been laid at stress reinforcement layer top. The waveform guardrail plate is disassembled firstly, then the connecting block is disassembled, the adhesive layer, the stress reinforcing layer and the pavement layer are sequentially paved at the top of the original pavement, the sleeve is sleeved on the original upright post, the connecting block is fixed on the newly-added upright post, the waveform guardrail plate is fixedly installed on the connecting block, the original upright post and the waveform guardrail plate are fully utilized, and the cost is saved.
Description
Technical Field
The application belongs to the technical field of road surface additional paving, and particularly relates to a road surface additional paving structure utilizing an existing waveform guardrail.
Background
The waveform guardrail is used as an important safety accessory facility of a highway, and can effectively prevent vehicles from rushing out of the road due to faults or driving out of control, and effectively reduce traffic accidents and property loss. Along with the construction of a large number of highway infrastructures in China, more and more highway overhauling and middle repair projects are continuously emerging, a great part of the projects are paved on the original roads, so that the heights of the roads are higher and higher, and most of waveform guardrail foundations, upright posts and waveform guardrail plates are good, but the paved roads are lifted, so that the heights of the existing waveform guardrails are insufficient and cannot meet the safety specifications, and the road cannot be used continuously.
The utility model aims to provide a pavement paving structure utilizing the existing waveform guardrail, which solves the problems of great waste of resources and cost caused by reconstruction of the waveform guardrail after pavement paving of the reconstructed and middle-sized pavement in the prior art, and realizes the purposes of fully utilizing the existing resources, shortening the construction period and reducing the engineering cost.
Among the above-mentioned prior art, need dismantle existing wave form guardrail earlier, at the other newly-increased stand of existing stand installation, fixed newly-increased stand, pour newly-paved road surface on existing road surface, make the bottom of newly-increased stand be located the newly-paved road surface of pouring, install the sideboard of taking off again on newly-increased stand, the operation process is comparatively troublesome, and efficiency of construction is lower.
Disclosure of Invention
In order to improve the efficiency of construction to wave form guardrail installation, this application provides one kind and utilizes the road surface of existing wave form guardrail to add and spread structure.
In order to achieve the above purpose, the present application adopts the following technical scheme: the utility model provides an utilize road surface of existing waveform guardrail to add and spread structure, includes original road surface, original stand and waveform guardrail board, original stand is fixed on original road surface, fixed mounting has the connecting block on the original stand, waveform guardrail board and connecting block fixed connection, original stand top is provided with the newly-increased stand, newly-increased stand bottom fixedly connected with sleeve, the fixed cover of sleeve is established on original stand, run through on the sleeve and be provided with the bolt, set up the through-hole with the bolt looks adaptation on the original stand, stress reinforcement layer has been laid at original road surface top, the road surface layer has been laid at stress reinforcement layer top.
Through adopting above-mentioned technical scheme, dismantle the waveform guardrail board earlier, dismantle the connecting block again, lay adhesive linkage, stress reinforcement layer and road surface layer in proper order at original road surface top, again with sleeve cover on original stand, fix the connecting block on newly-increased stand, again with waveform guardrail board fixed mounting on the connecting block, carry out make full use of to original stand and waveform guardrail board, practice thrift the cost.
Preferably, the diameter of the newly added upright post is equal to that of the original upright post.
Through adopting above-mentioned technical scheme, the connecting block of easy to assemble.
Preferably, the original upright post is fixedly installed with the connecting block through a bolt.
Through adopting above-mentioned technical scheme, connecting block and original stand demountable installation.
Preferably, the newly-increased upright post is provided with a through hole, and the newly-increased upright post is fixedly installed with the connecting block through a bolt.
Through adopting above-mentioned technical scheme, conveniently pass through the bolt fastening with the connecting block on newly-increased stand.
Preferably, the wave-shaped guardrail plate is provided with screws in a penetrating manner, and the wave-shaped guardrail plate is fixedly installed with the connecting block through the screws.
Through adopting above-mentioned technical scheme, wave form guardrail board and connecting block demountable installation.
Preferably, the stress reinforcement layer comprises a first stress absorption layer and a second stress absorption layer, the second stress absorption layer is paved on the first stress absorption layer, the first stress absorption layer is a rubber asphalt crushed stone layer, and the second stress absorption layer is a basalt fiber asphalt concrete layer.
By adopting the technical scheme, the first stress absorbing layer and the second stress absorbing layer are matched for use, so that the compressive property of the pavement is further enhanced.
Preferably, the bottom of the stress reinforcement layer is provided with an adhesive layer, the stress reinforcement layer is paved on the top of the original pavement through the adhesive layer, and the adhesive layer is an SBS modified emulsified asphalt adhesive layer.
By adopting the technical scheme, the connection stability of the original pavement and the stress reinforcement layer is improved through the bonding layer.
Preferably, the pavement layer comprises an asphalt concrete layer and a semi-flexible material layer laid on top of the asphalt concrete layer.
Through adopting above-mentioned technical scheme, the cooperation on asphalt concrete layer and semi-flexible material layer is used for the road surface has outstanding shock resistance, can prolong the life who reforms transform the road surface effectively.
Compared with the prior art, the beneficial effects of this application are:
1. the waveform guardrail plate is disassembled firstly, then the connecting block is disassembled, the adhesive layer, the stress reinforcing layer and the pavement layer are sequentially paved at the top of the original pavement, the sleeve is sleeved on the original upright post, the connecting block is fixed on the newly-added upright post, the waveform guardrail plate is fixedly installed on the connecting block, the original upright post and the waveform guardrail plate are fully utilized, and the cost is saved.
2. Through the collocation of first stress absorbing layer and second stress absorbing layer for compressive property of road surface has obtained further enhancement, through the cooperation use of asphalt concrete layer and semi-flexible material layer, makes the road surface have outstanding shock resistance, can prolong the life of reforming transform road surface effectively.
Drawings
FIG. 1 is a schematic view of the whole pavement paving structure using the existing wave shaped guardrails;
FIG. 2 is a schematic cross-sectional structural view of an original column and a newly added column of the present application;
fig. 3 is a schematic structural view of the original pavement and the original upright post of the present application.
In the figure: 1. original road surface; 2. original upright posts; 3. a wave-shaped guardrail plate; 4. a connecting block; 5. newly adding a column; 6. a sleeve; 7. a bolt; 8. a through hole; 9. a stress enhancement layer; 10. a road surface layer; 11. a screw; 12. a first stress absorbing layer; 13. a second stress absorbing layer; 14. an adhesive layer; 15. an asphalt concrete layer; 16. a layer of semi-flexible material.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application.
Referring to fig. 1-3, a pavement paving structure using existing wave guard bars comprises an original pavement 1, an original upright post 2 and a wave guard bar plate 3, wherein the original upright post 2 is fixed on the original pavement 1, a connecting block 4 is fixedly installed on the original upright post 2, the original upright post 2 is fixedly installed with the connecting block 4 through a bolt 7, and the connecting block 4 is detachably installed with the original upright post 2. The wave-shaped guardrail plate 3 is fixedly connected with the connecting block 4, the wave-shaped guardrail plate 3 is provided with screws 11 in a penetrating mode, the wave-shaped guardrail plate 3 is fixedly installed with the connecting block 4 through the screws 11, and the wave-shaped guardrail plate 3 is detachably installed with the connecting block 4.
In addition, original stand 2 top is provided with newly-increased stand 5, and newly-increased stand 5's diameter equals original stand 2, conveniently installs connecting block 4. The novel upright post 5 is fixedly connected with a sleeve 6 at the bottom, the sleeve 6 is fixedly sleeved on the original upright post 2, a bolt 7 is arranged on the sleeve 6 in a penetrating manner, a through hole 8 matched with the bolt 7 is formed in the original upright post 2, the sleeve 6 is sleeved on the original upright post 2 and is fixed through a bolt 7 matched nut, a through hole 8 matched with the bolt 7 is formed in the novel upright post 5, the two through holes 8 are identical in size, the novel upright post 5 is fixedly installed with the connecting block 4 through the bolt 7 matched nut, and the connecting block 4 is fixed on the novel upright post 5.
Referring to fig. 1, a stress reinforcement layer 9 is laid on top of an original pavement 1, the stress reinforcement layer 9 includes a first stress absorption layer 12 and a second stress absorption layer 13, the second stress absorption layer 13 is laid on the first stress absorption layer 12, the first stress absorption layer 12 is a rubber asphalt crushed stone layer, the second stress absorption layer 13 is a basalt fiber asphalt concrete layer, and the first stress absorption layer 12 and the second stress absorption layer 13 are matched for use, so that the compression resistance of the pavement is further enhanced.
The bottom of the stress reinforcement layer 9 is provided with an adhesive layer 14, the stress reinforcement layer 9 is paved on the top of the original pavement 1 through the adhesive layer 14, the adhesive layer 14 is an SBS modified emulsified asphalt adhesive layer, and the connection stability of the original pavement 1 and the stress reinforcement layer 9 is improved through the adhesive layer 14.
In addition, the pavement layer 10 is paved on the top of the stress reinforcement layer 9, the pavement layer 10 comprises an asphalt concrete layer 15 and a semi-flexible material layer 16, the semi-flexible material layer 16 is paved on the top of the asphalt concrete layer 15, emulsified asphalt and cement are added into aggregate or old asphalt pavement mixture in the semi-flexible material layer 16, and the asphalt concrete layer 15 and the semi-flexible material layer 16 are matched for use, so that the pavement has outstanding anti-seismic performance, and the service life of the modified pavement can be effectively prolonged.
The principle of operation of the present application will now be described as follows: the wave-shaped guardrail plate 3 is detached through the bolts 7, the connecting block 4 is detached through the screws 11, the adhesive layer 14, the stress reinforcing layer 9 and the pavement layer 10 are sequentially paved at the top of the original pavement 1, the sleeve 6 is sleeved on the original upright post 2, the sleeve 6 and the original upright post 2 are fixed through the bolts 7 and the nuts, the connecting block 4 is fixed on the newly-added upright post 5 through the bolts 7 and the nuts, the wave-shaped guardrail plate 3 is fixedly installed on the connecting block 4, the original upright post 2 and the wave-shaped guardrail plate 3 are fully utilized, and the cost is saved.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, shall cover the protection scope of the present application with equivalent substitution or modification according to the technical solution of the present application and the application concept thereof.
Claims (8)
1. The utility model provides an utilize road surface of existing wave form guardrail to add spreads structure, includes original road surface (1), original stand (2) and wave form guardrail board (3), a serial communication port, original stand (2) are fixed on original road surface (1), fixed mounting has connecting block (4) on original stand (2), wave form guardrail board (3) and connecting block (4) fixed connection, original stand (2) top is provided with newly-increased stand (5), newly-increased stand (5) bottom fixedly connected with sleeve (6), sleeve (6) fixed cover is established on original stand (2), run through on sleeve (6) and be provided with bolt (7), set up through-hole (8) with bolt (7) looks adaptation on original stand (2), stress reinforcement layer (9) have been laid at original road surface (1) top, road surface layer (10) have been laid at stress reinforcement layer (9) top.
2. The pavement paving structure using the existing wave-shaped guardrail according to claim 1, wherein the diameter of the newly added upright post (5) is equal to that of the original upright post (2).
3. The pavement paving structure using the existing wave-shaped guardrail according to claim 1, wherein the original upright post (2) is fixedly installed with the connecting block (4) through a bolt (7).
4. The pavement paving structure utilizing the existing waveform guardrail according to claim 1, wherein the newly added upright post (5) is provided with a through hole (8), and the newly added upright post (5) is fixedly installed with the connecting block (4) through a bolt (7).
5. The pavement paving structure using the existing waveform guardrail according to claim 1, wherein the waveform guardrail plate (3) is provided with a screw (11) in a penetrating manner, and the waveform guardrail plate (3) is fixedly installed with the connecting block (4) through the screw (11).
6. The pavement paving structure using the existing waveform guardrail according to claim 1, wherein the stress reinforcement layer (9) comprises a first stress absorption layer (12) and a second stress absorption layer (13), the second stress absorption layer (13) is paved on the first stress absorption layer (12), the first stress absorption layer (12) is a rubber asphalt crushed stone layer, and the second stress absorption layer (13) is a basalt fiber asphalt concrete layer.
7. The pavement paving structure utilizing the existing waveform guardrail according to claim 1, wherein an adhesive layer (14) is arranged at the bottom of the stress reinforcement layer (9), the stress reinforcement layer (9) is paved at the top of the original pavement (1) through the adhesive layer (14), and the adhesive layer (14) is an SBS modified emulsified asphalt adhesive layer.
8. Pavement paving construction using existing wave barriers according to claim 1, characterized in that the pavement layer (10) comprises an asphalt concrete layer (15) and a semi-flexible material layer (16), the semi-flexible material layer (16) being laid on top of the asphalt concrete layer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734260.2U CN220433316U (en) | 2023-07-04 | 2023-07-04 | Road surface paving structure utilizing existing waveform guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734260.2U CN220433316U (en) | 2023-07-04 | 2023-07-04 | Road surface paving structure utilizing existing waveform guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220433316U true CN220433316U (en) | 2024-02-02 |
Family
ID=89697650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321734260.2U Active CN220433316U (en) | 2023-07-04 | 2023-07-04 | Road surface paving structure utilizing existing waveform guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220433316U (en) |
-
2023
- 2023-07-04 CN CN202321734260.2U patent/CN220433316U/en active Active
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