CN115198597B - Spraying construction method of nano light coal-touching material - Google Patents
Spraying construction method of nano light coal-touching material Download PDFInfo
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Classifications
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
- E01C19/17—Application by spraying or throwing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
- E01C19/17—Application by spraying or throwing
- E01C19/176—Spraying or throwing elements, e.g. nozzles; Arrangement thereof or supporting structures therefor, e.g. spray-bars
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
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- 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
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- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention provides a spraying construction method of a nanometer light coal-touching material, which comprises the following steps: step one, calculating the mass of the nano light coal-touching material in each unit volume according to the concentration of the nano light coal-touching solution; step two, adjusting the number of the bracket units and the spray pipe units according to the actual width of the newly paved asphalt pavement during construction; step three, calculating and adjusting the amount of the nano light coal-touching material sprayed on the surface of the newly paved asphalt pavement per square meter; and fourthly, spraying the nano light coal-touching material on the newly paved asphalt pavement according to the calculation results of the first step to the third step. The spraying construction method of the nano light touch coal material has the beneficial effects that the spraying construction method of the nano light touch coal material can effectively degrade a large amount of volatile VOC concentrated in the paving process of the asphalt pavement, and can also degrade the VOC slowly volatilized from the high-temperature asphalt pavement in summer for a long time.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to a spraying construction method of a nanometer light touch coal material.
Background
VOCs are acronyms for volatile organic compounds (VOCs, volatile organic compounds) that have a significant impact on human health and the global environment. The main components of the VOC are: hydrocarbons, halogenated hydrocarbons, oxygenated hydrocarbons, and nitrogen hydrocarbons, including: benzene series, organic chlorides, freon series, organic ketones, amines, alcohols, ethers, esters, acids, petroleum hydrocarbon compounds, and the like. When the VOC in the surrounding environment reaches a certain concentration, symptoms such as headache, nausea, vomit, hypodynamia and the like can be caused, and even convulsion, coma, liver, kidney, brain and nervous system injury, hypomnesis and the like can be caused when the VOC is serious.
For a long time, research at home and abroad focuses on the aspects of decoration materials, biological sources, VOC components of motor vehicle tail gas and the like, influence of the VOC components on air quality and the like, and mainly proceeds from the aspects of environmental pollution, harm to human bodies and the like caused by harmful components of the VOC. Regulations and standards for VOC emission limits for a variety of materials are established in both the united states and the european union. The harm to the environment caused by the asphalt material in the process of processing and using has been brought about by scholars, and the composition, harm and smoke suppression technology of smoke (namely asphalt smoke) generated by heating or burning the asphalt material at high temperature are mainly researched at home and abroad at present, so that the phenomenon of the asphalt material at normal temperature and normal pressure is weakened, and the existing suppression means for the asphalt smoke cannot fundamentally reduce or reduce the release of asphalt under high temperature conditions or service conditions. Therefore, from the perspective of asphalt materials per se, effective control of VOC emissions is an inevitable requirement for environmental protection.
Asphalt is a complex mixture composed of organic hydrocarbons and derivatives thereof with different molecular weights, different stability and complex types, has the functions of adhesion, water resistance, corrosion resistance and the like, and is widely applied to the fields of road engineering, building water resistance and the like. Asphalt pavement accounts for more than 80% of the total amount of road pavement of the established roads in all countries of the world. Asphalt-based materials composed of complex mixtures of organic hydrocarbons of different molecular weights can produce volatile organic compounds (i.e., VOCs, volatile organic compounds) during normal temperature and pressure service. Asphalt and asphalt pavement high-temperature heating or illumination infrared rays, ultraviolet rays and the like) can promote asphalt VOC release, and the discharge amount of the asphalt and asphalt pavement high-temperature heating or illumination infrared rays, ultraviolet rays and the like is about 25% of the total VOC discharge amount.
Disclosure of Invention
The invention provides a spraying construction method of a nano light coal-touching material, which aims to achieve the purpose of uniformly spraying the material.
The technical scheme adopted for solving the technical problems is as follows: a spraying construction method of a nanometer light touch coal material comprises the following steps: step one, calculating the mass of the nano light coal-touching material in each unit volume according to the concentration of the nano light coal-touching solution; step two, adjusting the number of the bracket units and the spray pipe units according to the actual width of the newly paved asphalt pavement during construction; step three, calculating and adjusting the amount of the nano light coal-touching material sprayed on the surface of the newly paved asphalt pavement per square meter; and fourthly, spraying the nano light coal-touching material on the newly paved asphalt pavement according to the calculation results of the first step to the third step.
Further, the second step is specifically: selecting at least one bracket unit and at least one spray pipe unit; arranging at least one bracket unit along the width direction of the newly paved asphalt pavement; each bracket unit is correspondingly provided with a spray pipe unit.
Further, the spray pipe unit comprises a main pipe and a plurality of branch pipes, and the third step is as follows: according to the formulaAnd adjusting the amount of the nanometer light coal-contacting material sprayed on the surface of the newly paved asphalt pavement per square meter, wherein Q is the spraying amount of an atomization nozzle per second, the unit is L/S, N is the number of branch pipes, V is the running speed of a spraying device of the nanometer light coal-contacting material, the unit is m/S, and W is the width of the newly paved asphalt pavement, and the unit is m.
Further, the third step is to adjust the running speed of the spraying device of the nanometer photo-touch coal material and the spraying amount of the atomizing nozzle per second, so that the range of the spraying amount of the nanometer photo-touch coal material on the surface of the newly paved asphalt pavement per square meter is 3 g-8 g.
And in the fourth step, spraying the nano light coal-touching material after the initial flat rolling operation of the newly paved asphalt pavement.
In the fourth step, the power range of the nano light coal-touching material supply assembly is 300-800 w in the spraying construction process.
Further, the method comprises the steps of,in the spraying construction process, the working pressure range of the spray pipe unit is 1kg/cm 2 ～3.5kg/cm 2 。
Further, the method further comprises the following steps between the second step and the third step: and installing the anti-scattering covers with corresponding widths according to the number of the branch pipes, and arranging the nozzle ends of the plurality of branch pipes in the anti-scattering covers.
Further, the fourth step further comprises a fifth step: and carrying out gas quality detection and comparison test on the newly paved asphalt pavement and the reference pavement in spraying construction.
Further, the fifth step is specifically: selecting a plurality of first measuring points on a newly paved asphalt pavement in spraying construction, synchronously collecting the plurality of first measuring points at the same frequency through gas quality detection equipment, and generating first collecting information; selecting a plurality of second measuring points on a reference road surface, synchronously collecting the second measuring points at the same frequency through gas quality detection equipment, and generating second collecting information; comparing the first acquired information with the second acquired information.
The spraying construction method of the nano light touch coal material has the beneficial effects that the spraying construction method of the nano light touch coal material can effectively degrade a large amount of volatile VOC concentrated in the paving process of the asphalt pavement, and can also degrade the VOC slowly volatilized from the high-temperature asphalt pavement in summer for a long time.
Drawings
The accompanying drawings, which 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. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a rack unit;
FIG. 3 is a schematic structural view of the spout unit;
fig. 4 is a schematic structural view of the anti-scattering cover.
Reference numerals in the drawings: 10. a base; 20. a stand unit; 21. a main support; 22. a sub-bracket; 23. a clamp; 30. a nozzle unit; 31. a main pipe; 32. a branch pipe; 40. a scattering prevention cover; 51. a liquid storage tank; 52. a water pump; 53. and a power supply.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 4, an embodiment of the present invention provides a spray device of nano light-activated coal material, which includes a base 10, a nano light-activated coal material supply assembly, a bracket unit 20, and a nozzle unit 30. The nano light coal-contacting material supply assembly is disposed on the base 10. The stand unit 20 includes a main stand 21 and a plurality of sub-stands 22, the main stand 21 is fixedly disposed at the front end of the base 10 in a horizontal direction, the plurality of sub-stands 22 are disposed at intervals in parallel in a vertical direction, and the upper end of each sub-stand 22 is hinged with the main stand 21. The nozzle unit 30 includes a main pipe 31 and a plurality of branch pipes 32, the main pipe 31 is fixedly arranged on the main support 21, the main pipe 31 is communicated with the nano light coal contact material supply assembly, at least one branch pipe 32 is arranged on each auxiliary support 22, and the inlet of each branch pipe 32 is communicated with the main pipe 31.
In this embodiment, each auxiliary bracket 22 can independently rotate relative to the main bracket 21, so that the corresponding branch pipes 32 can be driven to rotate together, and the purpose of adjusting the injection angle of the branch pipes 32 is achieved, so that the nano light coal-touching material can be more uniformly injected onto a newly paved asphalt pavement.
The nano light-activated coal material sprayed on the newly paved asphalt pavement in the embodiment can effectively degrade a large amount of volatile VOC concentrated in the paving process of the newly paved asphalt pavement, and can also degrade the VOC slowly volatilized from the high-temperature asphalt pavement in summer for a long time. Meanwhile, the asphalt pavement material doped with the nano light-activated coal material is used as a novel environment-friendly material, and the successful popularization and application of the asphalt pavement material not only provide a new thought for promoting the sustainable development of building materials, but also play an demonstration role in the fusion development of two industrial modules of common building materials and nano materials.
Preferably, the plurality of sub-brackets 22 are connected to the main bracket 21 by a buckle, and the buckle is fixed at a predetermined position after rotating to the predetermined position, so that the sub-brackets 22 and the main bracket 21 operate at a predetermined angle. Of course, depending on the needs, a locking member may be optionally provided at the buckle to ensure that the sub-bracket 22 is locked with the main bracket 21.
The plurality of bracket units 20 in this embodiment are sequentially and uniformly distributed along the extending direction of the main bracket 21, and each bracket unit 20 is provided with at least one nozzle unit 30. According to the embodiment of the invention, the problems of different pavement construction widths can be solved at one time by combining different numbers of the bracket units 20 and the spray pipe units 30, so that time can be saved for subsequent construction, and the temperature of the asphalt mixture is not too low to be rolled and formed.
Preferably, each sub-bracket 22 is provided with a clip 23 for securing the branch pipe 32. In this embodiment, a plurality of clips 23 are uniformly distributed along the length direction of the sub-bracket 22. The purpose of the clip 23 is to fix the branch pipe 32, and in this embodiment the clip 23 may be a detachable ring structure, so that the worker can operate the device.
As shown in fig. 4, the spraying device for nano-optical coal-contacting material in this embodiment further includes a scattering prevention cover 40 disposed at the lower end of the stand unit 20 and the outlet of each branch pipe 32 can be disposed in the scattering prevention cover 40. In this embodiment, the anti-scattering cover 40 is of a cover-shaped structure, the lower end of the anti-scattering cover is open, the upper end of the anti-scattering cover is closed, and a connecting hole for penetrating the branch pipe 32 is formed at the closed end of the upper end, and the branch pipe 32 can penetrate through the connecting hole and be placed in the anti-scattering cover 40.
The anti-scattering cover 40 in the embodiment is formed by overlapping a plurality of assembly sections in a bayonet manner, the width of the anti-scattering cover 40 along the cross section of the newly paved asphalt pavement can be freely adjusted according to the width of the newly paved asphalt pavement, and the anti-scattering cover 40 can effectively prevent the vaporific nanometer light coal-touching material from scattering along with wind, so that the nanometer light coal-touching material is prevented from forming secondary particle pollution. In this embodiment, the upper end of the anti-scattering cover 40 is fixed by a hose bolt, so as to ensure that the anti-scattering cover 40 does not slip off during operation.
Preferably, the outlet of each of the branch pipes 32 in the present embodiment is provided with a nozzle, and the injection ranges of the nozzles of the adjacent branch pipes 32 partially coincide. The spray ranges of the nozzles of the adjacent branch pipes 32 are partially overlapped, so that the novel asphalt pavement can be completely covered by the embodiment, and the phenomenon of missing spray is avoided.
The working pressure of the nozzle is selected to be 1kg/cm 2 ～3.5kg/cm 2 In the range, the water mist can be ensured to be formed, so that the material is uniformly sprayed, and water drops in the newly paved asphalt pavement are prevented.
As shown in fig. 1, the nano light coal-touch material supply assembly comprises a liquid storage tank 51, a water pump 52 and a power supply 53, wherein an inlet of the water pump 52 is connected with the liquid storage tank 51, an outlet of the water pump 52 is connected with the main pipe 31, and the power supply 53 is electrically connected with the water pump 52. When the water pump is in operation, the power supply 53 starts the water pump 52 to operate, and the nano-light in the liquid storage tank 51 contacts the coal liquid to flow through the water pump 52 and form fine mist at the nozzle to spray on the road surface.
It should be noted that, in this embodiment, the power of the water pump 52 is preferably selected to be 300 w-800 w, which not only can ensure the spraying power of the nano light-activated coal material, but also can prevent the uneven spray on the road surface caused by insufficient spraying power, and can prevent the excessive pressure at the nozzle caused by excessive power. In addition, the components in the embodiment can be flexibly disassembled and assembled so as to adapt to the construction of the pavement with different widths.
Further, the base 10 in this embodiment may be moved in a vehicle-mounted manner, so as to facilitate site construction. It is also possible to install rollers for movement at the lower part of the base 10, and it is understood that any embodiment that can facilitate movement of the base 10 should be within the scope of the present application.
The invention also provides a spraying construction method of the nano light coal-touching material, which is carried out by adopting the spraying device of the nano light coal-touching material, and comprises the following steps:
step one, calculating the mass of the nano light coal-touching material in each unit volume according to the concentration of the nano light coal-touching solution;
step two, the number of the bracket units 20 and the spray pipe units 30 is adjusted according to the actual width of the newly paved asphalt pavement during construction;
step three, according to the formulaCalculating and adjusting the amount of the nano light coal-contacting material sprayed on the surface of the newly paved asphalt pavement per square meter, wherein Q is the spraying amount of the atomizing nozzle per second, the unit is L/S, N is the amount of the branch pipes 32, and V is the running speed of a spraying device of the nano light coal-contacting material; w is the width of the newly paved asphalt pavement, and the unit is m;
and fourthly, spraying the nano light coal-touching material on the newly paved asphalt pavement according to the first step to the third step.
Specifically, the first step in this embodiment is to use a water-based nano photo-catalytic material, and the solubility is 100%, that is, 100g of nano photo-catalytic material can be dissolved in 100g of water. Thus, the mass (g) of the nano light-activated coal material contained in the solution can be converted according to the volume (ml) of the solution filled in the water tank.
In this embodiment, the second step specifically includes: according to the actual width of the newly paved asphalt pavement during construction, the newly paved asphalt pavement is comprehensively sprayed within the width range by changing the width of the bracket unit 20, the number of the spray pipe units 30 and the number of the branch pipes 32.
Further, in the third step of the embodiment, the amount of the nano photo-coal-contacting material sprayed on the surface of the newly paved asphalt pavement per square meter can be about 3g to 8g by adjusting the running speed of the nano photo-coal-contacting material spraying device and the spraying amount of the atomizing nozzle per second.
And fourthly, spraying the nano light coal-touching material after the initial flat rolling operation of the newly paved asphalt pavement. Therefore, the nano light-activated coal material can be firmly combined with the asphalt mixture as much as possible, and meanwhile, the nano light-activated coal material can be ensured to be on the surface layer of the asphalt pavement, and can effectively absorb ultraviolet light to exert photodegradation effect.
Further, in the construction in the fourth step, the power range of the nano light coal-contacting material supply assembly is 300w to 800w, and the working pressure range of the nozzle unit 30 is 1kg/cm 2 ～3.5kg/cm 2 。
The embodiment may further include the following steps before the second step and the third step: the matched anti-scattering covers 40 are assembled according to the number of the actual spray pipe units 30, so that the nano light coal-touching materials are prevented from scattering along with mist steam and wind, and secondary pollution is prevented.
The embodiment of the invention can also set a fifth step after the fourth step: and carrying out gas quality detection and comparison test on the newly paved asphalt pavement and the reference pavement in spraying construction.
The fifth step can be as follows: selecting a plurality of first measuring points on a newly paved asphalt pavement in spraying construction, synchronously collecting the plurality of first measuring points at the same frequency through gas quality detection equipment, and generating first collecting information; selecting a plurality of second measuring points on a reference road surface, synchronously collecting the second measuring points at the same frequency through gas quality detection equipment, and generating second collecting information; comparing the first acquired information with the second acquired information.
In order to fully show the degradation effect of the nanometer light-touch coal material on the volatile VOC of the asphalt mixture material, the weather with strong ultraviolet light and high air temperature is selected within 7 days after the construction of the newly paved asphalt pavement, and a comparison test is carried out by using special gas quality detection equipment or instruments for the pavement. The VOC amount of the asphalt pavement doped with the nanometer photo-touch coal material and the VOC amount of the asphalt pavement not doped with the nanometer photo-touch coal material can be respectively tested by comparing the reference pavement with adjacent traffic lanes or adjacent road sections.
The asphalt pavement organic volatile matter testing device is required to be a multi-point test, that is to say, the testing system can select a plurality of points (3-8 points are suggested in the embodiment) in the tested pavement area at the same time, collectors at different testing points of the testing system can work in a coordinated and unified mode, synchronous and same-frequency collection can be carried out, continuous collection time can be 30-120 min, data collection per second is not less than 1, and the system can collect timely and can store automatically.
The comparison test after the road surface passes must be performed after the road surface is washed. The effect of the light-touch coal material after the surface of the pavement is polluted can be greatly reduced.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: the spraying construction method of the nano light touch coal material can effectively degrade a large amount of volatile VOC in the asphalt pavement paving process, and can also degrade the VOC which volatilizes slowly in the high-temperature asphalt pavement in summer for a long time.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical scheme, technical characteristics and technical scheme can be freely combined for use.
Claims (8)
1. The spraying construction method of the nanometer light touch coal material is characterized by comprising the following steps of:
step one, calculating the mass of the nano light-activated coal material in the nano light-activated coal solution per unit volume according to the concentration of the nano light-activated coal solution;
step two, the number of the bracket units (20) and the spray pipe units (30) is adjusted according to the actual width of the newly paved asphalt pavement during construction;
step three, calculating and adjusting the amount of the nano light coal-touching material sprayed on the surface of the newly paved asphalt pavement per square meter;
fourthly, spraying the nano light coal-touching material on the newly paved asphalt pavement according to the calculation results of the first to third steps;
the second step is specifically as follows:
selecting at least one bracket unit (20) and at least one nozzle unit (30);
arranging at least one stand unit (20) in the width direction of the newly paved asphalt pavement;
a spray pipe unit (30) is correspondingly arranged on each bracket unit (20);
the spray pipe unit (30) comprises a main pipe (31) and a plurality of branch pipes (32), and the inlet of each branch pipe (32) is communicated with the main pipe (31); the third step is as follows: according to the formulaAnd adjusting the amount of the nanometer light coal-contacting material sprayed on the surface of the newly paved asphalt pavement per square meter, wherein Q is the spraying amount of an atomization nozzle per second, the unit is L/S, N is the number of branch pipes (32), the unit is one, V is the running speed of a spraying device of the nanometer light coal-contacting material, the unit is m/S, and W is the width of the newly paved asphalt pavement, and the unit is m.
2. The spraying construction method of the nanometer photo-touch coal material according to claim 1, wherein the third step is to adjust the running speed of the spraying device of the nanometer photo-touch coal material and the spraying amount of the atomizing nozzle per second, and the range of the spraying amount of the nanometer photo-touch coal material on the surface of the newly paved asphalt pavement per square meter is 3 g-8 g.
3. The spray construction method of nano light touch coal material according to claim 1, wherein in the fourth step, the spray construction of the nano light touch coal material is performed after the initial flat rolling operation of the newly paved asphalt pavement.
4. The spraying construction method of the nano light coal-touching material according to claim 1, wherein in the fourth step, the power of the nano light coal-touching material supply assembly is in the range of 300 w-800 w in the spraying construction process.
5. The spraying construction method of nano light-activated coal material according to claim 1, wherein during the spraying construction process, the working pressure of the nozzle unit (30) is set to be within the range of 1kg/cm 2 ～3.5kg/cm 2 。
6. The spraying construction method of the nano light coal-touching material according to claim 1, further comprising the following steps between the second step and the third step: the anti-scattering covers (40) with corresponding widths are arranged according to the number of the branch pipes (32), and the nozzle ends of the plurality of branch pipes (32) are all arranged in the anti-scattering covers (40).
7. The spraying construction method of the nanometer photo-touch coal material according to claim 1, wherein the fourth step further comprises the following steps: and carrying out gas quality detection and comparison test on the newly paved asphalt pavement and the reference pavement in spraying construction.
8. The spraying construction method of the nanometer photo-touch coal material according to claim 7, wherein the fifth step is specifically as follows:
selecting a plurality of first measuring points on a newly paved asphalt pavement in spraying construction, synchronously collecting the plurality of first measuring points at the same frequency through gas quality detection equipment, and generating first collecting information;
selecting a plurality of second measuring points on a reference road surface, synchronously collecting the second measuring points at the same frequency through gas quality detection equipment, and generating second collecting information;
comparing the first acquired information with the second acquired information.
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| DE642783C (en) * | 1930-02-20 | 1937-03-15 | Otto Beck Dipl Ing | Device for spraying asphalt emulsions under pressure, especially in road construction |
| DE2334943A1 (en) * | 1971-03-04 | 1975-02-06 | Albert Lobmeier | Delivery cart for bitumen - has spacers between discharge chamber and floor to be coated |
| DE29702162U1 (en) * | 1997-02-08 | 1998-06-10 | Wirtgen GmbH, 53578 Windhagen | Device for processing roadways, and device for producing foamed bitumen |
| CN109923370A (en) * | 2016-09-09 | 2019-06-21 | 株式会社ＮｅｊｉＬａｗ | The patterning method of sensor structure, the component with sensor structure and sensor structure |
| CN214812046U (en) * | 2021-04-14 | 2021-11-23 | 中冶京诚工程技术有限公司 | Spraying device for nanometer light-contact coal material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT412735B (en) * | 2003-06-12 | 2005-06-27 | Strassmayr Maschb Ges M B H & | DEVICE FOR APPLYING A BINDING AGENT FOR AN ASPHALT BEARING ON A TRAFFIC SURFACE |
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|---|---|---|---|---|
| DE642783C (en) * | 1930-02-20 | 1937-03-15 | Otto Beck Dipl Ing | Device for spraying asphalt emulsions under pressure, especially in road construction |
| DE2334943A1 (en) * | 1971-03-04 | 1975-02-06 | Albert Lobmeier | Delivery cart for bitumen - has spacers between discharge chamber and floor to be coated |
| DE29702162U1 (en) * | 1997-02-08 | 1998-06-10 | Wirtgen GmbH, 53578 Windhagen | Device for processing roadways, and device for producing foamed bitumen |
| CN109923370A (en) * | 2016-09-09 | 2019-06-21 | 株式会社ＮｅｊｉＬａｗ | The patterning method of sensor structure, the component with sensor structure and sensor structure |
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