CN107938460A - A kind of automobile test low attached bituminous paving and its laying method - Google Patents
A kind of automobile test low attached bituminous paving and its laying method Download PDFInfo
- Publication number
- CN107938460A CN107938460A CN201711203757.0A CN201711203757A CN107938460A CN 107938460 A CN107938460 A CN 107938460A CN 201711203757 A CN201711203757 A CN 201711203757A CN 107938460 A CN107938460 A CN 107938460A
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- Prior art keywords
- bituminous paving
- low attached
- automobile test
- road surface
- sand
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- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 27
- 239000003595 mist Substances 0.000 claims abstract description 24
- 239000010426 asphalt Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 20
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 35
- 230000007480 spreading Effects 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004575 stone Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002932 luster 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
- 238000009428 plumbing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- -1 technique Substances 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
- E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of automobile test low attached bituminous paving and its laying method, is related to automobile test pavement technique, the low attached bituminous paving is followed successively by blackbase, tack coat, modified emulsifying asphalt refinement aggregate mixed layer and the sealing of mist containing sand from bottom to top.The present invention can make transformation of mating formation in existing test site to be completed, and coefficient of road adhesion effectively can be down to 0.4~0.5, construction is simple, and cost is low, and later maintenance cost is also than relatively low.
Description
Technical field
The present invention relates to automobile test pavement technique, and in particular to a kind of automobile test is with low attached bituminous paving and its paving
Equipment, method.
Background technology
Further to strengthen operation bus safety technical management, effectively contain and reduce because bus safety performance deficiency causes
Road transport industrial accident, ensure life and property safety of people conscientiously, Department of Transportation has organized to set up traffic
Carrier standard《Operating passenger car safety specification》(JT/T 1094-2016, hereinafter referred to as 1094 standards of JT/T), 2017
Formal implementation from April 1, in.Wherein operating passenger car should meet that bend brake stability is tested, it is desirable to test pavement attachment coefficient
For 0.4~0.5, proving ground asphalt superficial layer (AC-13) general at present, attachment coefficient is about 0.7~0.9, generally
Low attached road surface ceramic tile be about 0.1~0.2, basalt 0.25~0.35, wet attached bituminous paving (special pitch) is about 0.6~
0.8, it can not meet testing requirement.
The low attached road surface of existing automobile test, can generally choose certain stone material, or directly modulate asphalt, from
And reach the attachment coefficient of test requirements document, directly finding suitable stone material is tantamount to look for a needle in a haystack, and can not determine that stone material is
It is no, once attachment coefficient changing value has exceeded test requirements document, to be done over again again with the stability of the holding attachment coefficient of long period
Build require a great deal of time, human and material resources, financial resources；Novel asphalt mixture is modulated, due to the characteristic of its bend, it is more difficult to
Ensure the uniformity of its attachment coefficient and higher flatness requirement, the requirement of high-flatness is to ensure experiment Shi Difu roads
Face water system can form uniform moisture film, and the forming apparatus of moisture film generally employs water spray, the mode of unrestrained water, flatness
It is bad, the uneven of moisture film can be directly resulted in, so as to influence the result of test data；An accommodation road is entirely created, is added
Two-way accelerating sections, at least needs the Surface of Trial Pavement of 500m*5m, and construction cost is high, cycle length, takes up a large area, investment return
Rate is low.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of automobile test low attached bituminous paving and its laying method,
Can make transformation of mating formation in existing test site can complete, and coefficient of road adhesion effectively can be down to 0.4~0.5.
The present invention adopts the following technical scheme that：
A kind of low attached bituminous paving of automobile test, the low attached bituminous paving are followed successively by blackbase, glue from bottom to top
Tie layer, modified emulsifying asphalt refinement aggregate mixed layer and the sealing of mist containing sand.
Preferably, the material spreading amount of the tack coat is 0.1~0.3kg/m2。
Preferably, the material spreading amount of the modified emulsifying asphalt refinement aggregate mixed layer is 2.0~3.0kg/m2。
Preferably, aggregate is Machine-made Sand or steel sand in the modified emulsifying asphalt refinement aggregate mixed layer.
Preferably, the aggregate is the quartz sand of 80~100 mesh.
Preferably, the material spreading amount of the sealing of mist containing sand is 0.5~1.0kg/m2。
Preferably, in the sealing of mist containing sand aggregate be 80~100 mesh quartz sand.
A kind of automobile test laying method of low attached bituminous paving, includes the following steps：
S1, close traffic
In construction section close traffic；
S2, former road surface cleaning
Before construction, by drying, machinery clears up on protobitumen road surface to without obvious debris, dust；
S3, dispense tack coat
Adhesives is sprayed on road surface using distributor, tack coat is formed, forbids drenching with rain after the completion of construction, and dry
3h up to road surface to be completely dried；Wherein the spreading amount of material is 0.1~0.3kg/m2；
S4, dispense modified emulsifying asphalt refinement aggregate mixed layer
The quartz sand of modified emulsifying asphalt material and 80~100 mesh is mixed, road is sprayed to using distributor
On face, and uniformly scratch, formed modified emulsifying asphalt refinement aggregate mixed layer, forbid drenching with rain after the completion of construction, and dry 3h with
It is completely dried up to road surface；Wherein the spreading amount of material is 2.0~3.0kg/m2；
S5, dispense the sealing of mist containing sand
The quartz sand of mist closure material and 80~100 mesh is mixed, is sprayed to using distributor on road surface, is formed
The sealing of mist containing sand, simultaneously fencing lawn more than 3 days of forbidding drenching with rain in 24h after the completion of construction, up to the low attached bituminous paving of the present invention；
Wherein the spreading amount of material is 0.5~1.0kg/m2；
S6, service check
Coefficient of road adhesion is examined, transfers using after the assay was approved.
Preferably, further included in step S2：After former road surface cleaning, the brown paper of width 300mm is pasted along the sideline on former road surface.
Preferably, following steps are further included between the step S6 service checks：
P1, pre- break-in
To be braked using vehicle under the low attached bituminous paving watering state of step S5, braking number is not less than 100 times,
And the whole low attached bituminous paving of application position covering.
Beneficial effects of the present invention：The present invention can make transformation of mating formation in existing test site to be completed, can effectively by
Coefficient of road adhesion is down to 0.4~0.5, and construction is simple, and cost is low, and later maintenance cost is also than relatively low.
Brief description of the drawings
Attached drawing, which is used for providing, understands the preferable of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of the low attached bituminous paving of automobile test of the present invention.
In figure mark for：1st, blackbase；2nd, tack coat；3rd, modified emulsifying asphalt refinement aggregate mixed layer；4th, mist containing sand
Sealing.
Embodiment
The embodiment of the present invention is described below in conjunction with the accompanying drawings.
As shown in Figure 1, for the present embodiment a kind of automobile test with low attached bituminous paving, low attached bituminous paving is from bottom to top
It is followed successively by blackbase 1, tack coat 2, modified emulsifying asphalt refinement aggregate mixed layer 3 and the sealing of mist containing sand 4.
The material spreading amount of tack coat 2 is 0.1~0.3kg/m2；For improving each material and the bond effect on former road surface.
The material spreading amount of modified emulsifying asphalt refinement aggregate mixed layer 3 is 2.0~3.0kg/m2；Modified emulsifying asphalt adds
Aggregate is Machine-made Sand or steel sand in fine aggregate mixed layer 3；The construction gap big for filling protobitumen road surface.
Aggregate is the quartz sand of 80~100 mesh.
The material spreading amount of the sealing of mist containing sand 4 is 0.5~1.0kg/m2；Aggregate is 80~100 purposes in the sealing of mist containing sand 4
Quartz sand；Improve the uniformity and wearability of overall attachment coefficient.
A kind of automobile test laying method of low attached bituminous paving, includes the following steps：
S1, close traffic
In construction section close traffic；
S2, former road surface cleaning
Before construction, by drying, machinery clears up on protobitumen road surface to without obvious debris, dust；
S3, dispense tack coat
Adhesives is sprayed on road surface using distributor, tack coat is formed, forbids drenching with rain after the completion of construction, and dry
3h up to road surface to be completely dried；Wherein the spreading amount of material is 0.1~0.3kg/m2；
S4, dispense modified emulsifying asphalt refinement aggregate mixed layer
The quartz sand of modified emulsifying asphalt material and 80~100 mesh is mixed, road is sprayed to using distributor
On face, and uniformly scratch, formed modified emulsifying asphalt refinement aggregate mixed layer, forbid drenching with rain after the completion of construction, and dry 3h with
It is completely dried up to road surface；Wherein the spreading amount of material is 2.0~3.0kg/m2；
S5, dispense the sealing of mist containing sand
The quartz sand of mist closure material and 80~100 mesh is mixed, is sprayed to using distributor on road surface, is formed
The sealing of mist containing sand, simultaneously fencing lawn more than 3 days of forbidding drenching with rain in 24h after the completion of construction, up to the low attached bituminous paving of the present invention；
Wherein the spreading amount of material is 0.5~1.0kg/m2；
S6, service check
Coefficient of road adhesion is examined, transfers using after the assay was approved.
Further included in step S2：After former road surface cleaning, the brown paper of width 300mm is pasted along the sideline on former road surface.
Following steps are further included between step S6 service checks：
P1, pre- break-in
To be braked using vehicle under the low attached bituminous paving watering state of step S5, braking number is not less than 100 times,
And the whole low attached bituminous paving of application position covering.
Material and the sealing of mist containing sand are applied to conventional road, the precuring of town road and tessellated pavement, scape at super table
Micro- cover in road is seen, the road surfaces of different function requirements material and contains at super table, it is necessary to the non-skid property requirement of different range
By adding the gravel of different-grain diameter and ratio in sand mist sealing, the antiskid performance of application layer surface can be adjusted；In sizzler
Under gas, light pollution be easy to cause road surface color aging, so as to reduce degree bright in luster, technique, and material at colored super table
Material and the sealing of mist containing sand have good uvioresistant performance already；Under climatic environment conditioning, overlay and bituminous paving
Different temperature deformations can be produced, this to produce larger flexural tensile stress and shear stress between each structure sheaf, and causes layer
Between depart from, cause damage layer of mating formation, material and the sealing of mist containing sand are applied early stage highway precuring at super table, confirmed its with
Possesses good stratified deformation harmony between asphalt concrete pavement.
The present invention can make transformation of mating formation in existing test site to be completed, and effectively can be down to coefficient of road adhesion
0.4~0.5, construction is simple, and cost is low, and later maintenance cost is also than relatively low.
Operating process during test is：During test, must sprinkling water to low attached bituminous paving, it is uniform to form one layer of about 1mm
After moisture film, then carry out Motor Vehicle Braking Test On Curved Road；Conditions permit can install water system, using water spray or unrestrained water form, automatically
Moisture film is formed, no plumbing transformation condition, after being uniformly distributed using sprinkler to moisture film, you can carry out automobile cornering system
Dynamic test.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical solution described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (10)
1. the low attached bituminous paving of a kind of automobile test, it is characterised in that the low attached bituminous paving is followed successively by drip from bottom to top
Blue or green basic unit, tack coat, modified emulsifying asphalt refinement aggregate mixed layer and the sealing of mist containing sand.
A kind of 2. low attached bituminous paving of automobile test according to claim 1, it is characterised in that the material of the tack coat
Material spreading amount is 0.1~0.3kg/m2。
A kind of 3. low attached bituminous paving of automobile test according to claim 1, it is characterised in that the modified emulsifying drip
The material spreading amount of blue or green refinement aggregate mixed layer is 2.0~3.0kg/m2。
A kind of 4. low attached bituminous paving of automobile test according to claim 3, it is characterised in that the modified emulsifying drip
Aggregate is Machine-made Sand or steel sand in blue or green refinement aggregate mixed layer.
A kind of 5. low attached bituminous paving of automobile test according to claim 4, it is characterised in that the aggregate for 80~
The quartz sand of 100 mesh.
A kind of 6. low attached bituminous paving of automobile test according to claim 1, it is characterised in that the sealing of mist containing sand
Material spreading amount be 0.5~1.0kg/m2。
A kind of 7. low attached bituminous paving of automobile test according to claim 6, it is characterised in that the sealing of mist containing sand
Middle aggregate is the quartz sand of 80~100 mesh.
8. a kind of automobile test laying method of low attached bituminous paving, it is characterised in that include the following steps：
S1, close traffic
In construction section close traffic；
S2, former road surface cleaning
Before construction, by drying, machinery clears up on protobitumen road surface to without obvious debris, dust；
S3, dispense tack coat
Adhesives is sprayed on road surface using distributor, formed tack coat, forbid drenching with rain after the completion of construction, and dry 3h with
It is completely dried up to road surface；Wherein the spreading amount of material is 0.1~0.3kg/m2；
S4, dispense modified emulsifying asphalt refinement aggregate mixed layer
The quartz sand of modified emulsifying asphalt material and 80~100 mesh is mixed, is sprayed to using distributor on road surface,
And uniformly scratch, modified emulsifying asphalt refinement aggregate mixed layer is formed, forbids drenching with rain after the completion of construction, and dry 3h with up to road
Face is completely dried；Wherein the spreading amount of material is 2.0~3.0kg/m2；
S5, dispense the sealing of mist containing sand
The quartz sand of mist closure material and 80~100 mesh is mixed, is sprayed to using distributor on road surface, formation contains sand
Mist sealing, simultaneously fencing lawn more than 3 days of forbidding drenching with rain in 24h after the completion of construction, up to the low attached bituminous paving of the present invention；Wherein
The spreading amount of material is 0.5~1.0kg/m2；
S6, service check
Coefficient of road adhesion is examined, transfers using after the assay was approved.
9. a kind of automobile test according to claim 8 laying method of low attached bituminous paving, it is characterised in that described
Further included in step S2：After former road surface cleaning, the brown paper of width 300mm is pasted along the sideline on former road surface.
A kind of 10. automobile test according to claim 8 laying method of low attached bituminous paving, it is characterised in that institute
State and further include following steps between step S6 service checks：
P1, pre- break-in
Braked using vehicle under the low attached bituminous paving watering state of step S5, braking number is not less than 100 times, and makes
The dynamic whole low attached bituminous paving of position covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203757.0A CN107938460A (en) | 2017-11-27 | 2017-11-27 | A kind of automobile test low attached bituminous paving and its laying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203757.0A CN107938460A (en) | 2017-11-27 | 2017-11-27 | A kind of automobile test low attached bituminous paving and its laying method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107938460A true CN107938460A (en) | 2018-04-20 |
Family
ID=61950006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711203757.0A Pending CN107938460A (en) | 2017-11-27 | 2017-11-27 | A kind of automobile test low attached bituminous paving and its laying method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107938460A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924258A (en) * | 2019-11-22 | 2020-03-27 | 中铁十六局集团第三工程有限公司 | ABS (acrylonitrile butadiene styrene) low-adhesion-coefficient concrete pavement forming method |
| CN113668316A (en) * | 2021-08-31 | 2021-11-19 | 吴彬 | Construction method of asphalt highway |
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2017
- 2017-11-27 CN CN201711203757.0A patent/CN107938460A/en active Pending
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|---|---|---|---|---|
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| CN101671991A (en) * | 2009-08-10 | 2010-03-17 | 武汉理工大学 | Method for paving combination paving layer for tunnel road surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924258A (en) * | 2019-11-22 | 2020-03-27 | 中铁十六局集团第三工程有限公司 | ABS (acrylonitrile butadiene styrene) low-adhesion-coefficient concrete pavement forming method |
| CN113668316A (en) * | 2021-08-31 | 2021-11-19 | 吴彬 | Construction method of asphalt highway |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 224000 Jiangsu province Yancheng City District Dafeng Port Road Applicant after: China Automotive Research automobile testing ground Co.,Ltd. Address before: 224000 Jiangsu province Yancheng City District Dafeng Port Road Applicant before: CAAC research automobile test ground Co.,Ltd. Address after: 224000 Jiangsu province Yancheng City District Dafeng Port Road Applicant after: CAAC research automobile test ground Co.,Ltd. Address before: 224000 Jiangsu province Yancheng City District Dafeng Port Road Applicant before: CATARC YANCHENG AUTOMOTIVE PROVING GROUND Co.,Ltd. |
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Application publication date: 20180420 |