CN115584138A - Preparation method of road surface sealing layer with mechanoluminescence performance after demulsification - Google Patents

Preparation method of road surface sealing layer with mechanoluminescence performance after demulsification Download PDF

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CN115584138A
CN115584138A CN202211337589.5A CN202211337589A CN115584138A CN 115584138 A CN115584138 A CN 115584138A CN 202211337589 A CN202211337589 A CN 202211337589A CN 115584138 A CN115584138 A CN 115584138A
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mechanoluminescence
sealing layer
pavement
demulsification
substance
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陈华鑫
刘益民
吴永畅
邱贺枰
焦昀浩
陈嘉鑫
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Changan University
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/40Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

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  • Medicinal Chemistry (AREA)
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  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention belongs to the field of pavement maintenance materials, and discloses a preparation method of a pavement sealing layer with a mechanoluminescence property after demulsification. The invention can reflect the driving load in the road driving process, sense the driving state of the vehicle, judge the behavior of the vehicle and take the sensed information as the information source of the vehicle-road cooperation technology; the pavement sealing technology and the technology of combining the mechanoluminescence material are adopted, so that the construction process is simple, the service life of the mechanoluminescence material is greatly prolonged, and the method has better economy; meanwhile, the emulsified asphalt is used as a main material for road surface construction, and asphalt is used as a binder, so that the application scenes of the mechanoluminescence material can be greatly increased.

Description

Preparation method of road surface sealing layer with mechanoluminescence performance after demulsification
Technical Field
The invention belongs to the field of pavement maintenance materials, and particularly relates to a preparation method of a pavement sealing layer with mechanoluminescence after demulsification.
Background
Perception type road surface technique is the basis and leading-edge of wisdom road infrastructure research. The road surface self-perception comprises information such as the stress state of the road surface and the cracking and deformation of the road surface, the durability and the driving safety of road infrastructure are improved, and the perceived information can provide an important information source for novel technologies such as intelligent traffic, vehicle and road assistance. The perception type pavement technology embodies the cross fusion among different disciplines, wherein the material design of the perception type pavement is an important link for the construction of the perception type pavement.
The pavement sealing layer is a preventive maintenance layer for the pavement. The concrete method is that aggregate and emulsified asphalt are mixed according to a certain proportion to form a flowing mixture which is then uniformly spread on the pavement. The road surface seal can seal the gaps and cracks in the road surface, and effectively avoids the erosion of water and corrosive liquid in the environment to the roadbed. The ordinary road surface seal layer can not perceive the road surface information and can not be used for perceiving type road surface construction.
The invention patent of patent application publication No. 112125702A, namely light-transmitting cement based on mechanoluminescence and a preparation method thereof, discloses light-transmitting cement and a preparation method thereof, and is applied to pavements or buildings. When the technology is applied to a pavement, the light-transmitting cement is required to protect the luminous powder so as to realize the light source transmission, and the raw materials of the technology need to add optical fibers or light-transmitting resin into cement mortar, so that the cost is too high and the technology cannot be applied in a large area; the invention needs to separately arrange the luminous layer and the euphotic layer, and has complex construction and difficult operation; the pavement layer formed by the method is composed of at least three structural layers, and when the pavement layer is applied to a highway, early pavement diseases are easily caused due to interlayer cohesiveness; the pavement formed by the invention is a rigid pavement, and diseases are easily caused by additionally paving the pavement on the surface of the asphalt pavement.
Disclosure of Invention
The invention aims to overcome the defects and provide a preparation method of the pavement sealing layer with the mechanoluminescence performance after demulsification.
In order to achieve the above object, the present invention comprises the steps of:
step one, according to the mass portion, uniformly stirring 200-300 parts of emulsified asphalt and 60-80 parts of reflective powder to obtain a substance A;
dispersing 15-60 parts of mechanoluminescence powder into the substance A, and uniformly stirring to obtain a substance B;
adding 0-80 parts of fine aggregate into the substance B, and uniformly stirring to obtain a substance C;
and step four, spraying the substance C on the pavement, performing standard maintenance, and obtaining the pavement sealing layer with the mechanoluminescence performance after the emulsified asphalt is demulsified and solidified.
In the first step, the emulsified asphalt is quick-cracking type cation emulsified asphalt.
In the first step, a high-speed shearing machine is adopted for stirring, the emulsified asphalt is sheared for 40-70 min before the reflective powder is added, and the emulsified asphalt is sheared for 10-20 min after the reflective powder is added.
In the first step, the reflective powder is made of powder material with glass, and the mesh number of the powder material is 40-800 meshes.
In the second step, the mechanoluminescence powder adopts a strontium aluminate compound doped with europium ions, and the mesh number of the strontium aluminate compound is 200-800 meshes.
In the second step, the mechanoluminescence powder and the substance A are stirred by a high-speed shearing machine for 10min.
In the third step, the fine aggregate is 2.36mm basalt or limestone.
And in the fourth step, spraying the substance C on the road surface by adopting high-pressure spraying equipment.
In the fourth step, the spreading amount of the substance C is 0.2 to 0.8Kg/m 2
In the fourth step, the standard curing time is at least 4 hours.
Compared with the prior art, the invention adopts the technology of road surface sealing, directly applies the mechanoluminescence powder to road construction, greatly reduces the requirements of the mechanoluminescence road surface on raw materials and construction process, and simultaneously considers the road performance of the mechanoluminescence road surface. The invention can reflect the driving load in the road surface driving process, sense the driving state of the vehicle, judge the behavior of the vehicle and use the sensed information as the information source of the vehicle-road cooperation technology; the construction process is simple, the service life of the mechanoluminescence material is greatly prolonged, and the method has better economy; meanwhile, emulsified asphalt is used as a main material for road surface construction, and asphalt is used as a binder, so that the application scenes of the mechanoluminescence material can be greatly increased.
Drawings
FIG. 1 is a schematic view of a pavement sealing prepared according to the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Referring to fig. 1, the present invention comprises the steps of:
step one, according to the mass parts, uniformly stirring 200-300 parts of emulsified asphalt and 60-80 parts of reflective powder, wherein a high-speed shearing machine is adopted for stirring, the emulsified asphalt is sheared for 40-70 min before the reflective powder is added, and the emulsified asphalt is sheared for 10-20 min after the reflective powder is added, so that a substance A is obtained; the emulsified asphalt is quick-cracking type cation emulsified asphalt. The reflecting powder is made of powder material with glass, and the mesh number of the powder material is 40-800 meshes.
Dispersing 15-60 parts of mechanoluminescence powder into the substance A, stirring for 10min by using a high-speed shearing machine, and uniformly stirring to obtain a substance B; the mechanoluminescence powder adopts a strontium aluminate compound doped with europium ions, orange or green light can be generated under the action of external force, and the mesh number of the strontium aluminate compound is 200-800 meshes.
Adding 0-80 parts of fine aggregate into the substance B, wherein the fine aggregate is 2.36mm basalt or limestone, and uniformly stirring to obtain a substance C;
fourthly, spraying the substance C on the road surface by adopting high-pressure spraying equipment, wherein the spraying amount of the substance C is 0.2 to 0.8Kg/m 2
And carrying out standard maintenance for at least 4 hours, and obtaining the pavement sealing layer with the mechanoluminescence performance after the emulsified asphalt is demulsified and solidified.
Example 1:
shearing 200 parts of cation emulsified asphalt by a high-speed shearing machine for 40min, adding 80 parts of reflective powder, continuously shearing for 10min, then adding 30 parts of mechanoluminescence powder, shearing for 10min, then adding 40 parts of fine aggregate, uniformly stirring, spraying the mixed emulsion on the road surface by using a spraying technology, wherein the spraying amount of the mixed emulsion is 0.2Kg/m 2 And standard curing is carried out for 4 hours, and the pavement sealing layer with the mechanoluminescence performance is obtained.
Example 2:
shearing 200 parts of cation emulsified asphalt by a high-speed shearing machine for 40min, adding 80 parts of reflective powder, continuously shearing for 10min, then adding 45 parts of mechanoluminescence powder, shearing for 10min, then adding 40 parts of fine aggregate, uniformly stirring, spraying the mixed emulsion on the road surface by using a spraying technology, wherein the spraying amount of the mixed emulsion is 0.2Kg/m 2 And performing standard curing for 4 hours to obtain the pavement sealing layer with the mechanoluminescence.
Example 3:
shearing 200 parts of cation emulsified asphalt by a high-speed shearing machine for 40min, adding 80 parts of reflective powder, continuously shearing for 10min, then adding 60 parts of mechanoluminescence powder, shearing for 10min, then adding 40 parts of fine aggregate, uniformly stirring, spraying the mixed emulsion on the road surface by using a spraying technology, wherein the spraying amount of the mixed emulsion is 0.2Kg/m 2 And performing standard curing for 4 hours to obtain the pavement sealing layer with the mechanoluminescence.
Example 4:
shearing 200 parts of cation emulsified asphalt by a high-speed shearing machine for 40min, adding 80 parts of reflective powder, continuously shearing for 10min, then adding 60 parts of mechanoluminescence powder, shearing for 10min, then adding 40 parts of mechanoluminescence powder, shearing for 10minFine aggregate, evenly stirring, and spraying the mixed emulsion on the road surface by adopting a spraying technology, wherein the spraying amount of the mixed emulsion is 0.4Kg/m 2 And standard curing is carried out for 4 hours, and the pavement sealing layer with the mechanoluminescence performance is obtained.
Example 5:
shearing 200 parts of cation emulsified asphalt by a high-speed shearing machine for 40min, adding 80 parts of reflective powder, continuously shearing for 10min, then adding 60 parts of mechanoluminescence powder, shearing for 10min, then adding 40 parts of fine aggregate, uniformly stirring, spraying the mixed emulsion on the road surface by using a spraying technology, wherein the spraying amount of the mixed emulsion is 0.6Kg/m 2 And standard curing is carried out for 4 hours, and the pavement sealing layer with the mechanoluminescence performance is obtained.
Example 6:
shearing 200 parts of cation emulsified asphalt by a high-speed shearing machine for 40min, adding 80 parts of reflective powder, continuously shearing for 10min, then adding 60 parts of mechanoluminescence powder, shearing for 10min, then adding 40 parts of fine aggregate, uniformly stirring, spraying the mixed emulsion on the road surface by using a spraying technology, wherein the spraying amount of the mixed emulsion is 0.8Kg/m 2 And standard curing is carried out for 4 hours, and the pavement sealing layer with the mechanoluminescence performance is obtained.
The test method comprises the following steps:
the method comprises the following steps that firstly, a pavement sealing layer is loaded in a pavement loading mode, such as a pendulum instrument;
secondly, recording a pavement sealing force photoluminescence picture by adopting a high-speed camera, and calculating a stress area;
if the pendulum instrument is loaded, the stress area = the length of the rubber sheet multiplied by the sliding distance of the rubber sheet =7.62cm multiplied by 12.6cm =96.012cm 2
Thirdly, processing the luminous picture through MATLAB, processing the picture in a binarization processing mode, and calculating the luminous area;
fourthly, calculating the luminous efficiency according to a luminous efficiency calculation formula;
and fifthly, polishing the pavement sealing layer for different times, and measuring the mechanoluminescence performance of the pavement sealing layer.
The luminous efficiency calculation formula is as follows:
luminous efficiency = luminous area/force area × 100%
The specific test procedures and results are shown in table 1:
table 1 road surface sealing luminous efficiency under different polishing times
Figure BDA0003915760890000051
Referring to fig. 1 and table 1, after being polished, a pavement sealing layer with a mechanoluminescence performance can convert mechanical energy into light energy to be displayed under the condition of external force; the road surface sealing layer with the mechanoluminescence characteristic has good mechanoluminescence performance, and after polishing, the luminescence performance is improved to some extent, mainly because the emulsified asphalt cement is black, the light emitted by the mechanoluminescence powder is covered by partial asphalt, the emulsified asphalt on the surface layer is worn away, the internal mechanoluminescence material is exposed, the mechanoluminescence performance is improved to some extent, and the road surface sealing layer has good long-term effect.
Aiming at the construction requirement of a perception type pavement, the invention adopts the pavement sealing technology, and directly applies the mechanoluminescence material to the design of a perception type pavement material, thereby greatly reducing the requirements of the mechanoluminescence pavement on raw materials and construction process, simultaneously considering the pavement performance of the mechanoluminescence pavement, and overcoming the defect of applying the mechanoluminescence material to a flexible asphalt pavement. And reflective powder is innovatively introduced to form a light conduction path in the mechanoluminescence pavement sealing layer, so that light emitted by the mechanoluminescence material can be conducted to the surface of the pavement from the inside of the sealing layer. However, the present invention is not only to combine the light emitting layer and the light transmitting layer, but also to combine the two directly, which results in the wear of the mechanoluminescence material and the lack of long-term efficiency, and the cost is increased due to the excessive use of the mechanoluminescence material to ensure the luminescence property.
The invention aims at the application scene of the expressway, aims at the technical goal of obtaining road surface information based on the construction of a perception type road surface, and can meet the stress-strain requirement of a force-induced luminescent material-road surface material for vehicle weight measurement or the long-term abrasion requirement for speed measurement through the construction mode of a road surface sealing layer.

Claims (10)

1. A preparation method of a pavement sealing layer with mechanoluminescence after demulsification is characterized by comprising the following steps:
step one, according to the mass portion, uniformly stirring 200-300 parts of emulsified asphalt and 60-80 parts of reflective powder to obtain a substance A;
dispersing 15-60 parts of mechanoluminescence powder into the substance A, and uniformly stirring to obtain a substance B;
adding 0-80 parts of fine aggregate into the substance B, and uniformly stirring to obtain a substance C;
and step four, spraying the substance C on the pavement, performing standard maintenance, and obtaining the pavement sealing layer with the mechanoluminescence performance after the emulsified asphalt is demulsified and solidified.
2. The method for preparing a pavement sealing layer with mechanoluminescence after demulsification as claimed in claim 1, wherein in the first step, the emulsified asphalt is fast-cracking type cation emulsified asphalt.
3. The method for preparing a road surface seal with mechanoluminescence after demulsification as claimed in claim 1, wherein in the first step, a high-speed shearing machine is used for stirring, the emulsified asphalt is sheared for 40-70 min before adding the reflective powder, and the emulsified asphalt is sheared for 10-20 min after adding the reflective powder.
4. The method for preparing a road surface sealing layer with mechanoluminescence after demulsification as claimed in claim 1, wherein in the first step, the reflective powder is powder material with glass, and the mesh number of the powder material is 40-800 meshes.
5. The method for preparing a road surface sealing layer with mechanoluminescence performance after demulsification as claimed in claim 1, wherein in the second step, the mechanoluminescence powder adopts a strontium aluminate compound doped with europium ions, and the mesh number of the strontium aluminate compound is 200-800 meshes.
6. The method for preparing a pavement sealing layer with a mechanoluminescence function after demulsification according to claim 1, wherein in the second step, the mechanoluminescence powder and the substance A are stirred by a high-speed shearing machine for 10min.
7. The method for preparing the road surface sealing layer with the mechanoluminescence performance after demulsification as claimed in claim 1, wherein in the third step, the fine aggregate is 2.36mm basalt or limestone.
8. The method for preparing a pavement sealing layer with mechanoluminescence after demulsification according to claim 1, wherein in the fourth step, the substance C is sprayed on the pavement by using high-pressure spraying equipment.
9. The method for preparing a pavement sealing layer with mechanoluminescence after demulsification as claimed in claim 1, wherein in the fourth step, the spreading amount of the substance C is 0.2-0.8 Kg/m 2
10. The method for preparing a pavement sealing layer with mechanoluminescence after demulsification as claimed in claim 1, wherein in the fourth step, the standard curing time is at least 4 hours.
CN202211337589.5A 2022-10-28 2022-10-28 Preparation method of road surface sealing layer with mechanoluminescence performance after demulsification Pending CN115584138A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102408728A (en) * 2010-09-25 2012-04-11 上海彤路道路工程有限公司 Novel colored asphalt cement and preparation method thereof
CN109054412A (en) * 2018-08-01 2018-12-21 山东交通学院 A kind of power mutagens color asphalt material and preparation method thereof for bituminous pavement in tunnel
CN109280401A (en) * 2018-11-12 2019-01-29 宁夏交通建设股份有限公司 Environmental-friendly fluorescent color pitch and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102408728A (en) * 2010-09-25 2012-04-11 上海彤路道路工程有限公司 Novel colored asphalt cement and preparation method thereof
CN109054412A (en) * 2018-08-01 2018-12-21 山东交通学院 A kind of power mutagens color asphalt material and preparation method thereof for bituminous pavement in tunnel
CN109280401A (en) * 2018-11-12 2019-01-29 宁夏交通建设股份有限公司 Environmental-friendly fluorescent color pitch and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
何倍: "机场水泥道面超疏水自发光功能层材料性能及机理研究", 《中国优秀硕士学位论文工程科技Ⅰ辑》, no. 07, pages 016 - 375 *

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Application publication date: 20230110