CN106939540B - The bulky grain road surface of cooperation detection vehicle low frequency noise and its laying method - Google Patents
The bulky grain road surface of cooperation detection vehicle low frequency noise and its laying method Download PDFInfo
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- CN106939540B CN106939540B CN201710202144.9A CN201710202144A CN106939540B CN 106939540 B CN106939540 B CN 106939540B CN 201710202144 A CN201710202144 A CN 201710202144A CN 106939540 B CN106939540 B CN 106939540B
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- Prior art keywords
- stone
- adhesive layer
- base course
- low frequency
- road surface
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- 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
- E01C7/02—Coherent pavings made in situ made of road-metal without binders
- E01C7/04—Coherent pavings made in situ made of road-metal without binders of broken stones, gravel, or like materials
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- 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
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- 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
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
-
- 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
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/001—Paving elements formed in situ; Permanent shutterings therefor ; Inlays or reinforcements which divide the cast material in a great number of individual units
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of bulky grain road surfaces of cooperation detection vehicle low frequency noise, including base course, one layer of adhesive layer is laid on the base course, running through inside the adhesive layer has hard stone, the top surface of the adhesive layer is stretched out in the upper end of the stone, and the lower end of the stone is contacted with the base course.The invention also discloses a kind of laying methods on the bulky grain road surface of cooperation detection vehicle low frequency noise.It is bonded that tight clearance is few between adhesive layer of the present invention and base course, reduces the probability for generating interfering noise herein；Hard stone can increase the impact resistance and intensity on road surface, and the vehicle travelled on this bulky grain road surface is made to generate low frequency noise, cooperate the detection of vehicle low frequency noise；The adhesion strength of adhesive layer is big, and stone is embedded in firm and durable in adhesive layer, falls a probability less than finished product antiskid road carpet.
Description
Technical field
The present invention relates to a kind of road surface for vehicle noise detection, specifically a kind of cooperation detection vehicle low frequency noise
Bulky grain road surface and its laying method.
Background technique
Important evaluation index whether the height of car noise is vehicle ride comfort, reflects the design of manufacturer
Horizontal and technological level.A large amount of car noise will increase the fatigue of driver and occupant, influence the driving safety of automobile, endanger
The health of passenger, it is therefore necessary to its low frequency noise be tested before automobile factory and controlled in low-level model
In enclosing.Low frequency noise for automobile in 20~200Hz detects, still not universal at home, especially cooperation low frequency noise detection
Road and road surfacing process it is also unsound.
If road conditions are not when detecting this low frequency noise parameter using there is the asphalt roads centainly damaged in society
It is fixed, it can not achieve the comparison under the conditions of, test result is easy the interference by surrounding enviroment vehicle and inaccurate；According to state
The method for being paved into product antiskid road carpet outside, finished industrial product surface layer stone grain diameter is limited, bonds and is easy to produce with base
Gap, the detection for low frequency noise are also easy to produce interfering noise.Therefore detection vehicle low frequency can be cooperated by needing urgently to develop one kind
The blank of the domestic prior art is filled up on the road surface of noise.
Summary of the invention
The object of the present invention is to provide it is a kind of cooperation detection vehicle low frequency noise bulky grain road surface, can field conduct, surely
Fixed durable, uniformly part is uneven in big face, and the vehicle that can make to travel thereon generates low frequency noise.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of cooperation detection big of vehicle low frequency noise
Grain road surface, including base course are laid with one layer of adhesive layer on the base course, through there is hard stone inside the adhesive layer,
The top surface of the adhesive layer is stretched out in the upper end of the stone, and the lower end of the stone is contacted with the base course.
The present invention is 1) relative to finished product antiskid road carpet, the adhesive layer of modified by tar epoxy resin mortar flexible in construction
It is bonded between base course more closely, the small out-of-flatness bring gap of roadbed layer surface can be filled up, reduce and produce herein
The probability of raw interfering noise；2) hard stone can increase the impact resistance and intensity on road surface, and make to travel on the vehicle on road surface
Generate low frequency noise, cooperate vehicle low frequency noise detection；3) adhesion strength of adhesive layer is big, and stone is embedded in jail in adhesive layer
Gu it is durable, fall a probability less than finished product antiskid road carpet；4) the big face uniformly rough bulky grain road surface in part is realized, it can
It is tested for automobile low frequency noise.
Preferably, modified by tar epoxy resin mortar can be used in the adhesive layer.Modified by tar epoxy resin mortar is that one kind has high glue
The induration of knot property, it is preferable with the ability of base course blended, the connection between adhesive layer and base course can be increased, and make
Stone is preferably bonded in adhesive layer, fixes stone, and finished product line structure stabilization is hardly damaged.
Preferably, one layer of epoxy base oil is brushed between the adhesive layer and base course.Epoxy base oil can increase bonding again
Cementitiousness between layer and base course.
Preferably, the partial size of the stone is 10~16mm, and the compression strength of the stone is 150~250MPa, described
The shearing strength of stone is 10~20MPa.The partial size of stone in a certain range, can just guarantee stone through adhesive layer
In, and guarantee the uniformity in the big face in bulky grain road surface, so that vehicle is generated low frequency noise；The intensity needs of stone are larger, so that
Stone is more hard, not easy to wear, and anti-impact force is strong.
Preferably, it is 4~6mm that the stone, which stretches out the height of the top surface of adhesive layer,.The stone of stretching can guarantee garage
Low frequency noise is generated after sailing to bulky grain road surface, and then is able to detection vehicle low frequency noise.
Preferably, the dosage of the stone is 2~8kg/m2.This used in amounts ensures that stone is easy to be laid with, be laid with uniformly, most
Suitable amount can be 3.8kg/m2。
A kind of laying method on the bulky grain road surface of cooperation detection vehicle low frequency noise, comprising the following steps:
1) base course is handled: asphalt concrete base course；Base course surface impurity is rooted out, base course basal plane is cleaned；Ensure
Base course basal plane is smooth；
2) unwrapping wire subregion: according to 2~3m2Road surface region subregion and delimit graticule on base course；
3) supporting module: batten is installed respectively along longitudinal two sides of base course subregion, the bottom surface of batten and base course paste
It closes；
4) brushing base oil: subregion brushing epoxy base oil is pressed；
5) mat formation adhesive layer: being laid with the modified by tar epoxy resin mortar being uniformly mixed as adhesive layer；
6) admant of mating formation is sub: the stone after screening is uniformly dispensed on adhesive layer, by a part indentation adhesive layer of stone
In and contact the basal plane of base course, a part of stone stretches out adhesive layer, obtains finished product bulky grain road surface after conserving 48h.
Preferably, the partial size of stone is 10~16mm in the step 6).Stone can stretch out simultaneously through in adhesive layer
Adhesive layer.
Preferably, the height that stone stretches out adhesive layer in the step 6) is 4~6mm.The height that stone stretches out needs to keep
Unanimously, the stone of stretching generates low frequency noise after can making running car to bulky grain road surface.
Preferably, the dosage of stone is 2~8kg/m in the step 6)2.This dosage is easy to be laid with, be laid with stone
Even and can produce and select subject to low frequency noise, optimum amount can be 3.8kg/m2。
Detailed description of the invention
Fig. 1 is bulky grain pavement structure schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, convenient for more clearly understanding the present invention, but the present invention
It is not limited to following specific embodiments.
As shown in Figure 1, a kind of cooperation of the present invention detects the bulky grain road surface of vehicle low frequency noise, one is laid on base course 1
Layer adhesive layer 2, through there is a hard stone 3 inside adhesive layer 2, the top surface of adhesive layer 2 is stretched out in the upper end of stone 3, under stone 3
End is contacted with base course 1.Base course 1 can be bitumen concrete base course or Cement Concrete base course；Adhesive layer 2 uses modified by tar ring
Oxygen mortar, the cohesive force between adhesive layer 2 and base course 1 brushed with one layer of epoxy base oil 4 both to increase, enhancing adhesive layer 2 with
The connective stability of base course 1；Stone 3 need to be dispensed uniformly in adhesive layer 2 and entirety is through entire adhesive layer 2, and stone 3 is
The hard stone that partial size by screening is 10~16mm, compression strength is 150~250MPa, shearing strength is 10~20MPa
3。
The present invention cooperates the laying method on the bulky grain road surface of detection vehicle low frequency noise are as follows: laying depth is 8~12cm
Bitumen concrete base course 1；The impurity on 1 surface of base course is rooted out, 1 basal plane of base course is cleaned, keeps base course basal plane dry, firm,
Ensure that 1 basal plane of base course is smooth；By noise test road requirement width on base course 1 unwrapping wire, according to 2~3m2Road surface region
Subregion and graticule delimited on base course 1；The size of subregion is adjusted in combination with the packing specification of modified by tar epoxy resin mortar,
Control partition size is conducive to uniformly be laid with stone 3；The batten that height is 5mm, item are installed respectively along the quadrangle of 1 subregion of base course
5~8mm may be selected in the height of plate, and the bottom surface of batten is bonded with base course 1；Relatively thin batten can be used in favor of batten and roadbed
The fitting of layer 1；Subregion brushing epoxy base oil 4 is pressed on the basal plane of base course 1；Being laid with the height being uniformly mixed is the one of 5mm
Coke charge oil modified epoxy mortar is as adhesive layer 2, and modified by tar epoxy resin mortar is a kind of commercially available finished product, with cement
The fusion of concrete or bitumen concrete is preferable；The stone 3 after screening is uniformly dispensed on adhesive layer 2, basalt, stone 3 can be selected in stone 3
Partial size be 12mm or so, the partial size of stone 3 can be 10~16mm, and the dosage of stone 3 is 3.8kg/m2, the dosage of stone can
Take 2~8kg/m2, a part of stone 3 is pressed into adhesive layer 2 and is contacted the basal plane of base course 1, a part of stone 3 is stretched out
The height of adhesive layer 2 is 4~6mm, obtains big face uniformly part rough finished product bulky grain road surface after conserving 48h.
Specific working mode of the invention is as follows: bulky grain road surface of the invention is for cooperating detection vehicle low frequency noise
When, it is laid with finished product bulky grain road surface by the laying method on bulky grain road surface first, the vehicle driving tested later is big by finished product
Particle road surface, since the bulky grain stone 3 on road surface stretches out the surface layer on bulky grain road surface, vehicle is by rough big
When particle road, generate low frequency noise, interior low frequency noise testing staff then can observe the vehicle low frequency noise whether
In reasonable range, it is up to standard to detect qualified item parameter if in reasonable range, and vehicle can dispatch from the factory or to carry out subsequent technique excellent
Change；Vehicle can not dispatch from the factory or need to improve technique if detection is unqualified manufactures experimently again.
Unspecified content is the prior art known to a person of ordinary skill in the art in this specification.
Above-described specific embodiment is only schematical, and used technical term is limited in the present invention
For qualifier only for convenience of description of the invention, those skilled in the art cooperate detection vehicle low frequency noise in the present invention
Under bulky grain road surface and its laying method enlightenment, without breaking away from the scope protected by the purposes and claims of the present invention,
Many forms can be also derived, these are within the scope of the present invention.
Claims (5)
1. a kind of bulky grain road surface of cooperation detection vehicle low frequency noise, including base course (1), it is characterised in that: the roadbed
Be laid with one layer of adhesive layer (2) on layer (1), through having hard stone (3) inside the adhesive layer (2), the stone (3) it is upper
The top surface of the adhesive layer (2) is stretched out at end, and the lower end of the stone (3) is contacted with the base course (1), and the stone (3) is stretched
The height of the top surface of adhesive layer (2) is 4~6mm out, and the dosage of the stone (3) is 2~8kg/m2；The base course (1) is
Bitumen concrete, which is laid with, to be made, and the adhesive layer (2) is made using modified by tar epoxy resin mortar；The adhesive layer (2) and base course (1)
Between be brushed with one layer of epoxy base oil (4).
2. the bulky grain road surface of cooperation detection vehicle low frequency noise according to claim 1, it is characterised in that: the stone
(3) partial size is 10~16mm, and the compression strength of the stone (3) is 150~250MPa, the shearing strength of the stone (3)
For 10~20MPa.
3. a kind of laying method on the bulky grain road surface of cooperation detection vehicle low frequency noise, which comprises the following steps:
1) base course is handled: asphalt concrete base course (1)；Base course (1) surface impurity is rooted out, base course (1) basal plane is cleaned；
Ensure that base course (1) basal plane is smooth；
2) unwrapping wire subregion: according to 2~3m2Road surface region subregion and delimit graticule on base course (1)；
3) supporting module: batten is installed respectively along longitudinal both sides of base course (1) subregion, the bottom surface and base course (1) of batten are pasted
It closes；
4) brushing base oil: subregion brushing epoxy base oil (4) is pressed；
5) mat formation adhesive layer: being laid with the modified by tar epoxy resin mortar being uniformly mixed as adhesive layer (2)；
6) admant of mating formation is sub: uniformly dispensing the stone (3) after screening on adhesive layer (2), a part indentation of stone (3) is glued
The basal plane of base course (1) is tied in layer (2) and contacts, a part of stone (3) stretches out adhesive layer (2), and stone (3) stretches out adhesive layer
(2) height on surface is 4~6mm, obtains finished product bulky grain road surface after conserving 48h.
4. a kind of laying method on the bulky grain road surface of cooperation detection vehicle low frequency noise according to claim 3, special
Sign is: the partial size of stone (3) is 10~16mm in the step 6).
5. a kind of laying method on the bulky grain road surface of cooperation detection vehicle low frequency noise according to claim 3,
Be characterized in that: the dosage of stone (3) is 2~8kg/m in the step 6)2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202144.9A CN106939540B (en) | 2017-03-30 | 2017-03-30 | The bulky grain road surface of cooperation detection vehicle low frequency noise and its laying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710202144.9A CN106939540B (en) | 2017-03-30 | 2017-03-30 | The bulky grain road surface of cooperation detection vehicle low frequency noise and its laying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106939540A CN106939540A (en) | 2017-07-11 |
| CN106939540B true CN106939540B (en) | 2019-06-07 |
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| CN201710202144.9A Active CN106939540B (en) | 2017-03-30 | 2017-03-30 | The bulky grain road surface of cooperation detection vehicle low frequency noise and its laying method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517734B (en) * | 2018-03-05 | 2020-02-07 | 中交一公局第五工程有限公司 | Construction method for synchronously paving smooth and rough asphalt pavement |
| CN112127230A (en) * | 2020-08-31 | 2020-12-25 | 宗焕清 | Construction method of road asphalt pavement adopting tire initial pressing process |
| CN113450565B (en) * | 2021-06-11 | 2022-11-01 | 南通市江海公路工程有限公司 | Method and system for reducing noise of asphalt pavement |
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|---|---|---|---|---|
| EP1502994A1 (en) * | 2003-08-01 | 2005-02-02 | Colas | Bituminous concrete comprising cellular aggregat |
| JP2009084944A (en) * | 2007-10-02 | 2009-04-23 | Yokohama Rubber Co Ltd:The | Road noise test road and road noise test method |
| CN103215872A (en) * | 2012-12-11 | 2013-07-24 | 王鸽 | Novel stone-exposed road surface construction method |
| CN204151641U (en) * | 2014-06-23 | 2015-02-11 | 广州汽车集团股份有限公司 | A kind of internal car noise test bad road |
| CN105297576A (en) * | 2014-06-23 | 2016-02-03 | 广州汽车集团股份有限公司 | Vehicle interior noise testing road surface, laying method of vehicle interior noise testing road surface, and vehicle interior noise testing method |
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2017
- 2017-03-30 CN CN201710202144.9A patent/CN106939540B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1502994A1 (en) * | 2003-08-01 | 2005-02-02 | Colas | Bituminous concrete comprising cellular aggregat |
| JP2009084944A (en) * | 2007-10-02 | 2009-04-23 | Yokohama Rubber Co Ltd:The | Road noise test road and road noise test method |
| CN103215872A (en) * | 2012-12-11 | 2013-07-24 | 王鸽 | Novel stone-exposed road surface construction method |
| CN204151641U (en) * | 2014-06-23 | 2015-02-11 | 广州汽车集团股份有限公司 | A kind of internal car noise test bad road |
| CN105297576A (en) * | 2014-06-23 | 2016-02-03 | 广州汽车集团股份有限公司 | Vehicle interior noise testing road surface, laying method of vehicle interior noise testing road surface, and vehicle interior noise testing method |
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| CN106939540A (en) | 2017-07-11 |
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