CN211312056U - Road asphalt layer with good anti-rutting performance - Google Patents
Road asphalt layer with good anti-rutting performance Download PDFInfo
- Publication number
- CN211312056U CN211312056U CN201921762033.4U CN201921762033U CN211312056U CN 211312056 U CN211312056 U CN 211312056U CN 201921762033 U CN201921762033 U CN 201921762033U CN 211312056 U CN211312056 U CN 211312056U
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- China
- Prior art keywords
- fly ash
- pipe
- layer
- annular fixing
- fixing 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.)
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- 239000010426 asphalt Substances 0.000 title claims abstract description 24
- 239000010881 fly ash Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 239000004568 cement Substances 0.000 claims description 13
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 239000002956 ash Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 9
- 230000006355 external stress Effects 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 26
- 239000004576 sand Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a road asphalt layer that anti rut performance is good, including asphalt concrete ground top layer, the inside embedding of subbase has cavity annular fixing base, the perpendicular fixedly connected with pipe in bottom of cavity annular fixing base, and the bottom of pipe extends to the bottom surface of fly ash bed of material, seals through the sealing washer between cavity annular fixing base and the pipe. The utility model discloses an inside pipe bottom that encircles and install the spring pipe bottom cavity annular fixing base bottom extends to the fly ash bed of charge, SBS modified asphalt emulsion flows in to fly ash bed of charge in situ back along the pore on the pipe surface, can improve the anti rut performance of fly ash bed of charge for fly ash bed of charge is inside, can make whole pavement structure bottom have high strength and good anti rut performance, make the road surface produce the external stress of rut from top to bottom can offset the part after steadying gradually decrease.
Description
Technical Field
The utility model relates to a road construction technical field, in particular to anti rut can good road pitch layer.
Background
Ruts are a technical problem of asphalt pavements, and road technical workers at home and abroad do a lot of work for the reason for the ruts for over two decades, but the ruts are still a worldwide problem at present, and are possibly serious damage to pavement structures and water slip phenomenon due to too deep ruts.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art's defect, a road asphalt layer that anti rut performance is good is provided, inside pipe bottom through installing the spring pipe in encircleing of cavity annular fixing base bottom extends to the fly ash bed charge layer, can improve the anti rut performance of fly ash bed charge for fly ash bed charge in situ portion, make whole pavement structure bottom have high strength and good anti rut performance, make the road surface produce the external stress of rut and can offset the part after descending from top to bottom.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a road asphalt layer that anti rutting performance is good, including asphalt concrete ground top layer, asphalt concrete ground top layer's bottom is provided with cement sand gravel basic unit, the underlayment has been laid to cement sand gravel basic unit's bottom, the inside embedding of underlayment has cavity annular fixing base, the bottom of underlayment is provided with the fly ash bed course, the perpendicular fixedly connected with pipe in bottom of cavity annular fixing base, and the bottom of pipe extend to the bottom surface of fly ash bed course, seal through the sealing washer between cavity annular fixing base and the pipe.
As an optimized technical scheme of the utility model, install the spring pipe around on the pipe.
As a preferred technical scheme of the utility model, the subbase is made by two lime-soil materials.
As a preferred technical solution of the present invention, the conduit is made of a silicone rubber material.
As an optimal technical scheme of the utility model, the pore has been seted up to the surface of pipe, and has been irritated into SBS modified asphalt emulsion through cavity annular fixing base, and SBS modified asphalt emulsion flows into to the fly ash bed charge in situ along the pore on the pipe surface.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a surround the pipe bottom of installing the spring pipe and extend to inside the fly ash bed of charge in the hollow annular fixing base bottom, SBS modified asphalt emulsion flows into to fly ash bed of charge intraformational back along the pore on the pipe surface, can improve the anti rutting performance of fly ash bed of charge for fly ash bed of charge is inside, lay cement sand gravel basic unit again on the subbase, lay asphalt concrete top layer on the cement sand gravel basic unit, can make whole pavement structure bottom have high strength and good anti rutting performance, can offset the part after making the road surface produce the external stress of rutting from top to bottom decrease progressively.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall structure of the present invention;
in the figure: 1. asphalt concrete ground surface layer; 2. a cement grit base layer; 3. an underlayer; 4. a hollow annular fixed seat; 5. a fly ash primer layer; 6. a conduit; 7. a seal ring; 8. a spring tube.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.
In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
As fig. 1, the utility model provides a road asphalt layer that anti rutting performance is good, including asphalt concrete top layer 1, asphalt concrete top layer 1's bottom is provided with cement sand gravel basic unit 2, underlayment 3 has been laid to cement sand gravel basic unit's 2 bottom, underlayment 3's inside embedding has cavity annular fixing base 4, underlayment 3's bottom is provided with fly ash bed course 5, the perpendicular fixedly connected with pipe 6 in bottom of cavity annular fixing base 4, and pipe 6's bottom extends to fly ash bed course 5's bottom surface, seal through sealing washer 7 between cavity annular fixing base 4 and the pipe 6.
Further, the spring pipe 8 is installed on the guide pipe 6 in an encircling mode, after the whole road structure is subjected to large pressure, good strain performance can be provided for the guide pipe 6 through the spring pipe 8, the stability of the whole road surface structure is kept, and the strength of the base layer is improved.
The subbase layer 3 is made of lime, fly ash and soil according to a certain proportion, and is a base layer structure formed by mixing lime, fly ash and soil according to a certain proportion, adding water, uniformly stirring and rolling.
The conduit 6 is made of a silicone rubber material, and the silicone rubber has good high temperature resistance and good compression deformation resistance.
The outer surface of the guide pipe 6 is provided with a pore, SBS modified asphalt emulsion is poured into the hollow annular fixed seat 4, the SBS modified asphalt emulsion flows into the fly ash primer layer 5 along the pore on the outer surface of the guide pipe 6, firstly, when a road is paved, the SBS modified asphalt emulsion is poured into the hollow annular fixed seat 4, and after the SBS modified asphalt emulsion flows into the fly ash primer layer 5 along the pore on the outer surface of the guide pipe 6, the anti-rutting performance of the fly ash primer can be improved for the inner part of the fly ash primer layer 5.
Specifically, firstly, an underlayer 3 made of two-ash soil materials is laid on a fly ash base layer 5, then a hollow annular fixing seat 4 is embedded and fixed inside the underlayer 3, the bottom end of a guide pipe 6 at the bottom of the hollow annular fixing seat 4, which is provided with a spring pipe 8 in a surrounding mode, extends into the fly ash base layer 5, the upper surface of the hollow annular fixing seat 4 is located on the upper surface of the underlayer 3, SBS modified asphalt emulsion is poured into the hollow annular fixing seat 4, the SBS modified asphalt emulsion flows into the fly ash base layer 5 along pores on the outer surface of the guide pipe 6, the anti-rutting performance of the fly ash base material can be improved inside the fly ash base layer 5, then a cement gravel base layer 2 is laid on the underlayer 3, and an asphalt concrete ground surface layer 1 is laid on the cement gravel base layer 2.
The utility model discloses a 6 bottoms of pipe that encircle to install spring pipe 8 in 4 bottoms of cavity annular fixing base extend to inside 5 fly ash bed of material, SBS modified asphalt emulsion is along flowing into to the fly ash bed of material 5 back in along the pore on 6 surfaces of pipe, can improve the anti rut performance of fly ash bed of material for 5 inside of fly ash bed of material, lay cement grit basic unit 2 on subbase 3 again, lay asphalt concrete top layer 1 on cement grit basic unit 2, can make whole road surface structure bottom have high strength and good anti rut performance, make the road surface produce the external stress of rut and from top to bottom can offset the part after steadilying gradually.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a road asphalt layer that anti rutting performance is good, includes asphalt concrete ground top layer (1), its characterized in that, the bottom of asphalt concrete ground top layer (1) is provided with cement grit basic unit (2), sub-base (3) have been laid to the bottom of cement grit basic unit (2), the inside embedding of sub-base (3) has cavity annular fixing base (4), the bottom of sub-base (3) is provided with fly ash bed of material (5), the perpendicular fixedly connected with pipe (6) in bottom of cavity annular fixing base (4), and the bottom of pipe (6) extends to the bottom surface of fly ash bed of material (5), seal through sealing washer (7) between cavity annular fixing base (4) and pipe (6).
2. The road asphalt layer with good anti-rutting performance according to claim 1, wherein a spring tube (8) is mounted on the conduit (6) in a surrounding manner.
3. The bituminous layer of a road with good rutting resistance according to claim 1, characterized in that said sub-base layer (3) is made of a two-ash material.
4. The road asphalt layer with good anti-rutting performance according to claim 1, wherein the conduit (6) is made of silicone rubber material.
5. The road asphalt layer with good anti-rutting performance according to claim 1, wherein the outer surface of the conduit (6) is provided with fine holes, and the hollow annular fixing seat (4) is filled with SBS modified asphalt emulsion, and the SBS modified asphalt emulsion flows into the fly ash primer layer (5) along the fine holes on the outer surface of the conduit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921762033.4U CN211312056U (en) | 2019-10-21 | 2019-10-21 | Road asphalt layer with good anti-rutting performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921762033.4U CN211312056U (en) | 2019-10-21 | 2019-10-21 | Road asphalt layer with good anti-rutting performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211312056U true CN211312056U (en) | 2020-08-21 |
Family
ID=72066675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921762033.4U Active CN211312056U (en) | 2019-10-21 | 2019-10-21 | Road asphalt layer with good anti-rutting performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211312056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962380A (en) * | 2021-02-19 | 2021-06-15 | 中交第二公路工程局有限公司 | Construction method of asphalt pavement |
-
2019
- 2019-10-21 CN CN201921762033.4U patent/CN211312056U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962380A (en) * | 2021-02-19 | 2021-06-15 | 中交第二公路工程局有限公司 | Construction method of asphalt pavement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Qinfeng Inventor after: Zhai Zhaoping Inventor after: Zhu Chuanjun Inventor before: Zhai Zhaoping Inventor before: Zhu Chuanjun Inventor before: Yang Qinfeng |