CN208649823U - A kind of high ductility cement-base composite material prefabricated board pavement structure - Google Patents
A kind of high ductility cement-base composite material prefabricated board pavement structure Download PDFInfo
- Publication number
- CN208649823U CN208649823U CN201820656474.5U CN201820656474U CN208649823U CN 208649823 U CN208649823 U CN 208649823U CN 201820656474 U CN201820656474 U CN 201820656474U CN 208649823 U CN208649823 U CN 208649823U
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- CN
- China
- Prior art keywords
- composite material
- high ductility
- base composite
- prefabricated board
- base
- 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.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 55
- 239000010410 layer Substances 0.000 claims abstract description 33
- 239000000945 filler Substances 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 11
- 239000011159 matrix material Substances 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 9
- 239000002585 base Substances 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims description 13
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 235000013312 flour Nutrition 0.000 description 4
- 229920000914 Metallic fiber Polymers 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
Classifications
-
- 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
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a kind of high ductility cement-base composite material prefabricated board pavement structure, which is followed successively by soil matrix layer, base and surface layer from bottom to top；The surface layer is made of the seat pulp layer of lower part and the high ductility cement-base composite material prefabricated board on top, the base is connected by sitting pulp layer with the high ductility cement-base composite material prefabricated board, it reserves and has the gap between adjacent high ductility cement-base composite material prefabricated board, gap filler is filled in gap.The high ductility cement-base composite material prefabricated board pavement structure of the utility model uses surface bearing bed of the high ductility cement-base composite material prefabricated board as pavement structure, utilize its high ductility and high-wearing feature, substantially extend the service life of pavement structure, the pavement structure is hardly damaged under long duration load and differential settlement effect, and it is convenient for modular repair, save maintenance cost, economical rationality.
Description
Technical field
The utility model relates to a kind of high ductility cement-base composite material prefabricated board pavement structures.
Background technique
Existing pavement structure includes soil matrix layer, base and cast-in-place plain cement concrete layer in base.This paving
Structure is since using cast-in-place plain cement concrete layer, construction trouble, cast-in-place plain cement concrete layer flexural strength is lower, wear-resisting
Performance is poor, is easy cracking, peeling after a period of use, especially load is larger or soil matrix there are the conditions of differential settlement
Under, it is often apparent damaged using just occurring in 1 year, seriously affect its using effect.And it is inconvenient after this pavement structure damage
In modular repair, huge cost allowance can undoubtedly be brought completely by reforming.
Utility model content
The purpose of this utility model is to provide a kind of high ductility cement-base composite material prefabricated board pavement structure, the pavings
Structure is hardly damaged under long duration load and the effect of soil matrix differential settlement, and is convenient for modular repair after damaging.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of high ductility cement-base composite material prefabricated board pavement structure, the pavement structure are followed successively by soil matrix from bottom to top
Layer, base and surface layer；It is characterized in that, the surface layer is pre- by the seat pulp layer of lower part and the high ductility cement-base composite material on top
Making sheet composition, the base are connected by sitting pulp layer with the high ductility cement-base composite material prefabricated board, adjacent high ductility
It reserves and has the gap between cement-base composite material prefabricated board, gap filler is filled in gap.
The base is Stabilized base or graded broken stone layer.
The width in the gap between adjacent high ductility cement-base composite material prefabricated board is 2~10mm.
The seat pulp layer uses dry cement mortar, sits pulp layer with a thickness of 30~60mm.
The high ductility cement-base composite material prefabricated board, the length is 300~2200mm, width is 200~1500mm,
With a thickness of 20~100mm, there is anti-skid design on surface, is formed by high ductility cement-base composite material through steam curing is prefabricated.
The steam-cured temperature is 70~95 DEG C, 10~15 DEG C/h of heating rate.
The high ductility cement-base composite material prefabricated board is by water, cement, composite blend, quartz sand, fiber, water-reducing agent
It is made, 80~150MPa of compression strength, 10~20MPa of flexural strength.
The composite blend is silicon ash, ground granulated blast furnace slag, flyash, mountain flour, at least two in silica flour
Mixture.
The fiber is metallic fiber, mixture one or two kinds of in Organic-inorganic composite fiber.
The gap filler is cement base gap filler or reactive resin gap filler.
The beneficial effect of technical solution provided by the utility model is:
The high ductility cement-base composite material prefabricated board pavement structure of the utility model, the pavement structure are followed successively by from bottom to top
Soil matrix layer, base and surface layer；The surface layer is by the seat pulp layer of lower part and the high prefabricated board group of ductility cement-base composite material on top
At the base is connected by sitting pulp layer with the high ductility cement-base composite material prefabricated board, adjacent high ductility cement base
It reserves and has the gap between composite precast plate, gap filler is filled in gap.The high ductility cement-base composite material of the utility model
Prefabricated board pavement structure uses surface bearing bed of the high ductility cement-base composite material prefabricated board as pavement structure, utilizes its height
Ductility and high-wearing feature substantially extend the service life of pavement structure, and the pavement structure is in long duration load and differential settlement
It is hardly damaged under effect, and is convenient for modular repair, save maintenance cost, economical rationality.
Detailed description of the invention
Fig. 1 is the schematic diagram of high ductility cement-base composite material prefabricated board pavement structure.
Appended drawing reference: 1 --- soil matrix layer；2 --- base；3 --- sit pulp layer；4 --- high ductility cement-base composite material
Prefabricated board；5 --- gap filler.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
As shown in Figure 1, the high ductility cement-base composite material prefabricated board pavement structure of the utility model, the pavement structure is under
Soil matrix layer 1, base 2 and surface layer are followed successively by and；The surface layer is compound by the seat pulp layer 3 of lower part and the high ductility cement base on top
Prefabricated plate 4 forms, and the base 2 is connected by sitting pulp layer 3 with the high ductility cement-base composite material prefabricated board 4,
High ductility cement-base composite material prefabricated board 4 is laid with using wet-laid process, between adjacent high ductility cement-base composite material prefabricated board 4
Reserving gaps fill gap filler 5 in gap.
The base 2 is Stabilized base or graded broken stone layer.
The width in the gap between adjacent high ductility cement-base composite material prefabricated board 4 is 2~10mm, is filled out in gap
Stitch agent.
The seat pulp layer 3 uses dry cement mortar, sits pulp layer 3 with a thickness of 30~60mm.
The high ductility cement-base composite material prefabricated board 4, the length is 300~2200mm, width is 200~
1500mm, with a thickness of 20~100mm, there is anti-skid design on surface, it is prefabricated through steam curing by high ductility cement-base composite material and
At.
The steam-cured temperature is 70~95 DEG C, 10~15 DEG C/h of heating rate.
The high ductility cement-base composite material prefabricated board 4 is by water, cement, composite blend, quartz sand, fiber, diminishing
Agent is made, 80~150MPa of compression strength, 10~20MPa of flexural strength.
The composite blend is silicon ash, ground granulated blast furnace slag, flyash, mountain flour, at least two in silica flour
Mixture.
The fiber is metallic fiber, mixture one or two kinds of in Organic-inorganic composite fiber.
The gap filler 5 is cement base gap filler or reactive resin gap filler.
The high ductility cement-base composite material prefabricated board pavement structure of the utility model is used for the pavement structure to the prior art
Repair when changing, directly using the plain cement concrete layer of the pavement structure of the prior art as this it is practical in base,
Surface layer is laid on plain cement concrete layer.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of high ductility cement-base composite material prefabricated board pavement structure, the pavement structure be followed successively by from bottom to top soil matrix layer,
Base and surface layer；It is characterized in that, the surface layer is prefabricated by the seat pulp layer of lower part and the high ductility cement-base composite material on top
Board group is at the base is connected by sitting pulp layer with the high ductility cement-base composite material prefabricated board, adjacent high ductility water
It reserves and has the gap between cement-based composite material prefabricated board, gap filler is filled in gap.
2. high ductility cement-base composite material prefabricated board pavement structure according to claim 1, which is characterized in that the base
Layer is Stabilized base or graded broken stone layer.
3. high ductility cement-base composite material prefabricated board pavement structure according to claim 1, which is characterized in that adjacent height
The width in the gap between ductility cement-base composite material prefabricated board is 2~10mm.
4. high ductility cement-base composite material prefabricated board pavement structure according to claim 1, which is characterized in that the seat
Pulp layer uses dry cement mortar, sits pulp layer with a thickness of 30~60mm.
5. high ductility cement-base composite material prefabricated board pavement structure according to claim 1, which is characterized in that the height
Ductility cement-base composite material prefabricated board, the length is 300~2200mm, width is 200~1500mm, with a thickness of 20~
There is anti-skid design on 100mm, surface, are formed by high ductility cement-base composite material through steam curing is prefabricated.
6. high ductility cement-base composite material prefabricated board pavement structure according to claim 1, which is characterized in that the height
Ductility cement-base composite material 80~150MPa of compression strength, 10~20MPa of flexural strength.
7. high ductility cement-base composite material prefabricated board pavement structure according to claim 1, which is characterized in that described to fill out
Stitching agent is cement base gap filler or reactive resin gap filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656474.5U CN208649823U (en) | 2018-05-03 | 2018-05-03 | A kind of high ductility cement-base composite material prefabricated board pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656474.5U CN208649823U (en) | 2018-05-03 | 2018-05-03 | A kind of high ductility cement-base composite material prefabricated board pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208649823U true CN208649823U (en) | 2019-03-26 |
Family
ID=65776754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656474.5U Expired - Fee Related CN208649823U (en) | 2018-05-03 | 2018-05-03 | A kind of high ductility cement-base composite material prefabricated board pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208649823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804947A (en) * | 2019-11-12 | 2020-02-18 | 哈尔滨工业大学 | Assembled prefabricated polymer composite deck pavement slab and preparation method thereof |
-
2018
- 2018-05-03 CN CN201820656474.5U patent/CN208649823U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804947A (en) * | 2019-11-12 | 2020-02-18 | 哈尔滨工业大学 | Assembled prefabricated polymer composite deck pavement slab and preparation method thereof |
| CN110804947B (en) * | 2019-11-12 | 2021-07-02 | 哈尔滨工业大学 | Assembled prefabricated polymer composite deck pavement slab and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |