CN114349396A - Preparation method of epoxy-based noise-reducing cold-paving anti-skid overlay for solving problem of skid resistance of pavement - Google Patents
Preparation method of epoxy-based noise-reducing cold-paving anti-skid overlay for solving problem of skid resistance of pavement Download PDFInfo
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Abstract
The invention discloses a preparation method of an epoxy group noise reduction cold-paving anti-skid overlay for solving the problem of skid resistance of a pavement, which consists of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the self-made curing agent A component is long-chain aliphatic amine, an elastomer, modified asphalt and an accelerator; the main epoxy agent B comprises epoxy resin, a diluent, a coupling agent, a cosolvent and modified asphalt; the component C is common basalt stone; and the component D is emulsified asphalt modified by organic silicon emulsion, and the component A of the curing agent and the component B of the epoxy resin are mixed in a cross mode outside a spraying cavity. The preparation method of the epoxy-based noise-reduction cold-paving anti-skid overlay for solving the problem of skid resistance of the pavement is simple, has high bonding strength, good flexibility, strong ultraviolet aging resistance, strong waterproof capability and excellent anti-stripping performance, can be obviously used for preventive oxidation of newly-built asphalt pavements, maintained pavements, cement bridge pavements, tunnel pavements and steel bridge pavements, and has little increase on the load of the original pavement.
Description
Technical Field
The invention belongs to the technical field of maintenance of asphalt pavements, cement bridge decks and steel bridge decks, and particularly relates to a preparation method of an epoxy-based noise-reducing cold-paving anti-skid overlay for solving the problem of skid resistance of a pavement.
Background
In the construction of highways, asphalt concrete pavements have the advantages of good driving comfort, excellent road performance, high construction speed, quick, simple and convenient maintenance and the like, and more than 85 percent of high-grade highways in China adopt the form. By 2016, the road maintenance mileage in China exceeds 452.6 kilometers, and accounts for 96.1 percent of the total mileage of the road traffic. With the increase of the mileage of highway traffic in China, the dramatic increase of traffic volume and the increase of the requirements on the service quality and the service life of roads, the highway construction in China has been gradually changed from 'large-scale construction' to 'construction and maintenance synchronization'.
At present, asphalt pavements which are already popular in China for more than eight years are all insufficient in skid resistance, so that a novel technology for improving the skid resistance of the asphalt pavements is urgently needed. The epoxy resin has been used for paving steel bridge deck due to the characteristics of strong binding power, excellent wear resistance, good durability and the like, but the epoxy resin has high manufacturing cost and is difficult to be used for the maintenance of common asphalt pavement, and the maintenance technology can greatly reduce the manufacturing cost of maintenance technology by adopting the compound asphalt material, but can also ensure the characteristic of high binding power of the epoxy resin.
Disclosure of Invention
The technical problem to be solved is as follows: aiming at the problems of high manufacturing cost, difficult maintenance of common asphalt pavements and the like in the prior art, the invention provides a preparation method of an epoxy-based noise-reducing cold-paving anti-skid overlay for solving the problem of skid resistance of pavements, and solves the problems of low cohesive force and the like.
The invention adopts the following technical scheme for solving the technical problems:
the epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 5-8Kg/m2；
The component D of the cover agent is as follows by weight:
the silicone emulsion modified emulsified asphalt is purchased from Jiangsu Chuang traffic science and technology development Co Ltd, and the volume of the emulsified asphalt is 0.3-0.5Kg/m2；
The preparation method of the curing agent A component comprises the steps of respectively heating long-chain fatty amine, elastomer and accelerator to 60 ℃, uniformly stirring at 500r/min for 6 hours, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4 minutes to prepare the curing agent A component; the preparation method of the main epoxy agent B comprises the steps of respectively heating epoxy resin, a diluent, a coupling agent and a cosolvent to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the main epoxy agent B;
the preparation method of the cold-mixing anti-slip cover comprises the following steps: 0.3 to 1.0Kg/m is mixed by adopting a cross mixing mode outside a spraying cavity20.2-0.8Kg/m of curing agent A component2Uniformly mixing the epoxy main agent B component, coating the mixture on a cattle felt, and then mixing 5-8Kg/m2The basalt stone is evenly sprinkled into the mixed epoxy asphalt, the mixture is rolled for 3 to 6 times by a special roller for marking, and then the mixture is evenly coated with 0.3 to 0.5Kg/m in the last time2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Preferably, the epoxy resin is bisphenol A epoxy resin, and the bisphenol A epoxy resin is one or a combination of more of NPEL128, E-44, E-20, E-21, E-31, E-42, E-54 and 615.
Preferably, the diluent is one or a combination of more of AGE 748(C12-14) alcohol glycidyl ether, DGE501 (n-butyl glycidyl ether), EHGE746 (isooctyl glycidyl ether octyl glycidyl ether), NPGE (nonylphenyl glycidyl ether), GMA (glycidyl methacrylate), BDDGE 522(1, 4-butanediol diglycidyl ether), HDDGE632(1, 6-hexanediol diglycidyl ether), EGDGE669 (ethylene glycol diglycidyl ether), NPGDGE 678 (neopentyl glycol diglycidyl ether), PEGGE 205 (polyethylene glycol diglycidyl ether), PPGE 207 (polypropylene glycol diglycidyl ether), TMPEG (trimethylolpropane triglycidyl ether).
Preferably, the coupling agent is one or two of silane coupling agent A-151, silane coupling agent A-172, silane coupling agent KH-540, silane coupling agent KH-560, silane coupling agent KH-570, silane coupling agent KH-602 and silane coupling agent KH-791.
Preferably, the cosolvent is one or two of 9-octadecene, 1-octadecene, octadecane, hexadecane, tetradecane, tetracosane and n-octane.
Preferably, the asphalt is one or a combination of more of common base asphalt, I-C modified asphalt, I-D modified asphalt, PG70-22 modified asphalt, PG76-22 modified asphalt, PG82-22 modified asphalt, high-viscosity modified asphalt and high-viscosity high-elasticity modified asphalt.
Preferably, the long-chain fatty amine is one or a combination of more of octadecylamine, hexadecylamine, oleylamine, tetradecylamine, dodecylamine, N-methyl-1-octadecylamine and N-methyl-1-hexadecylamine.
Preferably, the elastomer is one or a combination of more of an SBS modifier, a polyurethane elasticity modifier QS-P24F, an SBR modifier, an SEBS modifier, an SEPS modifier, an SIS modifier and an SIBS modifier.
Preferably, the accelerator is one or a combination of several of methyldiethanolamine, aminophenol, DMP-30, HY960 tertiary amine accelerator, OP-8658/DP-300 smearing, drying and curing accelerator, triethanolamine and titanate coupling agent (TC-114).
Preferably, the nominal grain size of the basalt in the component C is 3-5mm, 5-7mm, 5-10mm and 2-4 mm.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
1. the epoxy resin is used as the binder, so that the adhesion force of asphalt and stone can be obviously improved, and the stone is difficult to peel off from the asphalt, so that the peeling resistance of the anti-skid overlay is obviously improved compared with that of the traditional anti-skid overlay.
2. The long-chain aliphatic amine is used as the curing agent, the high-temperature operable time of the epoxy asphalt can be prolonged when the epoxy asphalt is sprayed, and the technical problem that the traditional epoxy resin is easy to crack is solved under the condition of dual toughening of the long-chain aliphatic amine and the elastomer.
3. This project adopts single particle size building stones, and the nominal particle size of building stones is less, and the UNICOM's void fraction is great, has apparent fall make an uproar and promote the cling compound ability.
4. The performance detection method of the epoxy group noise-reducing cold-paving anti-skid overlay surface refers to technical Specifications of micro-surfacing of road asphalt pavements.
5. The main technique of antiskid is solved to present bituminous paving adopts little table department technique, and little table department is because the noise is great, and the travelling comfort is relatively poor to be prepared for the bad comment of owner and car owner, and this technique is laid through the test section and is surveyed with the site noise and discover: the technology can obviously reduce the driving noise, and the driving noise is reduced by 3-7 decibels in a micro meter position. The driving comfort can be obviously improved.
6. The technology adopts the epoxy asphalt prepared by the epoxy resin as the cementing material, and can obviously improve the spalling resistance and the durability of the stone material.
Detailed Description
The technical solution of the present invention is explained in detail below:
example 1
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 3-5mm 6Kg/m2；
The component D of the cover agent is as follows by weight
0.4Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively heating N-methyl-1-hexadecylamine, SBS modifier and methyldiethanolamine to 60 ℃, uniformly stirring at 500r/min for 6h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the curing agent A.
Respectively heating NPEL128, AGE 748(C12-14), silane coupling agent A-151 and n-octane to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
0.3Kg/m of curing agent2The component A and the epoxy resin are 0.2Kg/m2B, uniformly mixing, coating on a cow felt, and then mixing 6Kg/m2Spraying basalt of 3-5mm into the mixed epoxy asphalt, rolling with a roller special for marking, and coating with 0.4Kg/m2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 1
Comparative example experimental method:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 1 main performance parameters of epoxy-based noise-reducing cold-laid slip-resistant overlay prepared in example 1
Example 2
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main component B, basalt stone C and a surface covering agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
5-7mm basalt 5.5Kg/m2；
The component D of the cover agent is as follows by weight
0.3Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively heating N-methyl-1-octadecylamine, a SIBS modifier and aminophenol to 60 ℃, uniformly stirring at 500r/min for 6h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the curing agent A.
Respectively heating E-44, DGE501 (n-butyl glycidyl ether), a silane coupling agent KH-791 and 9-octadecene to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
0.7Kg/m of curing agent2The component A and the epoxy resin are 0.5Kg/m2B, coating on a cow felt after uniformly mixing, then uniformly spraying 5.5Kg/m2 basalt of 5-7mm into the mixed epoxy asphalt, rolling by a special roller for marking, and then uniformly coating 0.3Kg/m on the mixed epoxy asphalt2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 2
The experimental method comprises the following steps:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 2 main performance parameters of epoxy-based noise-reducing cold-laid anti-skid mat coating prepared in example 2
Example 3
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 5-10mm 5Kg/m2；
The component D of the cover agent is as follows by weight
0.5Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively heating octadecylamine, a polyurethane elastic modifier QS-P24F and DMP-30 to 60 ℃, uniformly stirring at 500r/min for 6 hours, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4 minutes to prepare the curing agent A.
Respectively heating E-20, isooctyl glycidyl ether, silane coupling agent A-172 and 1-octadecene to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
0.8Kg/m of curing agent2The component A and the epoxy resin are 0.4Kg/m2B, uniformly mixing, coating on a cow felt, and then mixing 5Kg/m25-10mm basalt is uniformly sprayed into the mixed epoxy asphalt, is rolled by a special roller for marking, and is then uniformly coated with 0.5Kg/m2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 3
The experimental method comprises the following steps:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 3 main performance parameters of epoxy-based noise-reducing cold-laid slip-resistant overlay prepared in example 3
Example 4
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
dodecylamine, 100 portions
10 portions of SIS modifier
90 parts of high-viscosity modified asphalt
The epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 2-4mm 8Kg/m2；
The component D of the cover agent is as follows by weight
0.5Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively heating the dodecylamine, the SIS modifier and the HY960 tertiary amine accelerator to 60 ℃, uniformly stirring at 500r/min for 6h, then adding the 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the curing agent A.
Respectively heating E-21, nonylphenyl glycidyl ether, a silane coupling agent KH-602 and tetracosan to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
0.9Kg/m of curing agent2The component A and the epoxy resin are 0.6Kg/m2B, uniformly mixing the components, coating the mixture on a cow felt, and then mixing 8Kg/m2Spraying 2-4mm basalt uniformly into the mixed epoxy asphalt, rolling with a roller special for marking, and then uniformly coating 0.5Kg/m2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 4
The experimental method comprises the following steps:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 4 main performance parameters of epoxy-based noise-reducing cold-laid anti-skid mat coating prepared in example 4
Example 5
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 3-5mm 5.7Kg/m2；
The component D of the cover agent is as follows by weight
0.4Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively smearing and drying a curing accelerator on hexadecylamine, an SBR modifier and OP-8658/DP-300, heating to 60 ℃, uniformly stirring at 500r/min for 6h, then adding asphalt at 160 ℃ into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare a curing agent A.
Respectively heating E-31, glycidyl methacrylate, a silane coupling agent KH-540 and octadecane to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
0.6Kg/m of curing agent2The component A and the epoxy resin are 0.5Kg/m2B, coating the mixture on a cow felt after uniformly mixing, and then mixing 5.7Kg/m2Spraying basalt of 3-5mm into the mixed epoxy asphalt, rolling with a roller special for marking, and coating with 0.4Kg/m2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 5
The experimental method comprises the following steps:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 5 main performance parameters of epoxy-based noise-reducing cold-laid slip-resistant overlay prepared in example 5
Example 6
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 5-7mm 6.5Kg/m2；
The component D of the cover agent is as follows by weight
0.3Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively heating the tetradecylamine, the SEPS modifier and the titanate coupling agent to 60 ℃, uniformly stirring at 500r/min for 6h, then adding the 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the curing agent A.
Respectively heating E-54, 1, 6-hexanediol diglycidyl ether, a silane coupling agent KH-560 and hexadecane to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
1Kg/m of curing agent2The component A and the epoxy resin are 0.8Kg/m2B mixing uniformlyThen coating on a cow felt, and then coating 6.5Kg/m25-7mm basalt is uniformly sprayed into the mixed epoxy asphalt, is rolled by a roller special for marking, and is then uniformly coated with 0.3Kg/m2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 6
The experimental method comprises the following steps:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 6 main performance parameters of epoxy-based noise-reducing cold-laid slip-resistant overlay prepared in example 6
Example 7
The epoxy group noise-reducing cold-paving anti-slip mat surface for solving the problem of road surface skid resistance is composed of a curing agent A component, an epoxy main agent B component, basalt stone C and a surface agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
5-10mm basalt 5.2Kg/m2；
The component D of the cover agent is as follows by weight
0.5Kg/m of emulsified asphalt modified by organosilicon emulsion2。
Preparing raw materials:
preparation of curing agent A
Respectively heating oleylamine, SEBS modifier and triethanolamine to 60 ℃, uniformly stirring at 500r/min for 6h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the curing agent A.
Respectively heating 615, ethylene glycol diglycidyl ether, a silane coupling agent KH-570 and tetradecane to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the component B of the epoxy resin.
Preparing a cold-mixing anti-slip cover:
0.65Kg/m of curing agent2The component A and the epoxy resin are 0.48Kg/m2B, coating the mixture on a cow felt after uniformly mixing, and then mixing 5.2Kg/m25-10mm basalt is uniformly sprayed into the mixed epoxy asphalt, is rolled by a special roller for marking, and is then uniformly coated with 0.5Kg/m2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
Comparative example 7
The experimental method comprises the following steps:
adding 20g of MQK-3M emulsifier into 350g of water, adjusting the pH value to 2-2.5 by using dilute hydrochloric acid, adding water to 400g of water to obtain soap solution, and heating to 60 ℃ for later use. Heating No. 70 matrix asphalt to 138 ℃, grinding the matrix asphalt and soap solution together to prepare emulsified asphalt, and then uniformly mixing the emulsified asphalt with 35g of SBR1468 latex to obtain the micro-surface emulsified asphalt.
170 g of stone material with the thickness of 5-10mm, 190g of stone material with the thickness of 3-5mm, 500g of stone material with the thickness of 0-3mm, 140g of mineral powder and 15g of cement are taken and evenly stirred, 65g of water is added and evenly stirred, 105g of micro-surfacing emulsified asphalt is added to obtain a micro-surfacing mixture, a test piece is formed, and the performance of the mixture is tested.
Table 7 main performance parameters of epoxy-based noise-reducing cold-laid slip-resistant overlay prepared in example 7
From the detection data of the specific examples given in examples 1 to 7, it can be seen that the high-performance anti-skid surface technology for the epoxy-based cold-laid overlay can not only significantly improve the anti-skid performance of the asphalt pavement, but also have significant noise reduction performance compared with the micro-surface maintenance technology, and can be widely used for preventive maintenance of the asphalt pavement, the cement bridge deck, the tunnel pavement and the steel bridge deck.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The preparation method of the epoxy group noise-reducing cold-paving antiskid mat surface for solving the problem of skid resistance of the road surface is characterized in that the epoxy group noise-reducing cold-paving antiskid mat surface for solving the problem of skid resistance of the road surface is composed of a curing agent A component, an epoxy main agent B component, basalt stone material C and a surface covering agent D component, wherein the curing agent A component comprises the following raw materials in parts by mass:
the epoxy main agent B component comprises the following raw materials in parts by weight:
the basalt stone C comprises the following components in parts by weight:
basalt 5-8Kg/m2；
The component D of the cover agent is as follows by weight:
the silicone emulsion modified emulsified asphalt is purchased from Jiangsu Chuang traffic science and technology development Co Ltd, and the volume of the emulsified asphalt is 0.3-0.5Kg/m2；
The preparation method of the curing agent A component comprises the steps of respectively heating long-chain fatty amine, elastomer and accelerator to 60 ℃, uniformly stirring at 500r/min for 6 hours, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4 minutes to prepare the curing agent A component; the preparation method of the main epoxy agent B comprises the steps of respectively heating epoxy resin, a diluent, a coupling agent and a cosolvent to 60 ℃, uniformly stirring at 500r/min for 1h, then adding 160 ℃ asphalt into the uniformly stirred solution, and continuously stirring at 500r/min for uniformly stirring for 4min to prepare the main epoxy agent B;
the preparation method of the cold-mixing anti-slip cover comprises the following steps: 0.3 to 1.0Kg/m is mixed by adopting a cross mixing mode outside a spraying cavity20.2-0.8Kg/m of curing agent A component2Uniformly mixing the epoxy main agent B component, coating the mixture on a cattle felt, and then mixing 5-8Kg/m2The basalt stone is evenly sprinkled into the mixed epoxy asphalt, the mixture is rolled for 3 to 6 times by a special roller for marking, and then the mixture is evenly coated with 0.3 to 0.5Kg/m in the last time2And (3) carrying out performance evaluation on the emulsified asphalt modified by the organic silicon emulsion after curing for 2 hours.
2. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant finish coat for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the epoxy resin is bisphenol A epoxy resin, and the bisphenol A epoxy resin is one or a combination of more of NPEL128, E-44, E-20, E-21, E-31, E-42, E-54 and 615.
3. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant finish coat for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the diluent is one or a combination of more of AGE 748(C12-14) alcohol glycidyl ether, DGE501 (n-butyl glycidyl ether), EHGE746 (isooctyl glycidyl ether octyl glycidyl ether), NPGE (nonylphenyl glycidyl ether), GMA (glycidyl methacrylate), BDDGE 522(1, 4-butanediol diglycidyl ether), HDDGE632(1, 6-hexanediol diglycidyl ether), EGDGE669 (ethylene glycol diglycidyl ether), NPGDGE 678 (neopentyl glycol diglycidyl ether), PEGGE 205 (polyethylene glycol diglycidyl ether), PPGDGE207 (polypropylene glycol diglycidyl ether), and TMPEG (trimethylolpropane triglycidyl ether).
4. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant finish coat for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the coupling agent is one or two of silane coupling agent A-151, silane coupling agent A-172, silane coupling agent KH-540, silane coupling agent KH-560, silane coupling agent KH-570, silane coupling agent KH-602 and silane coupling agent KH-791.
5. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant finish coat for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the cosolvent is one or two of 9-octadecene, 1-octadecene, octadecane, hexadecane, tetradecane, tetracosane and n-octane.
6. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant finish coat for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the asphalt is one or a combination of more of common matrix asphalt, I-C modified asphalt, I-D modified asphalt, PG70-22 modified asphalt, PG76-22 modified asphalt, PG82-22 modified asphalt, high-viscosity modified asphalt and high-viscosity high-elasticity modified asphalt.
7. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant overlay for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the long-chain fatty amine is one or a combination of more of octadecylamine, hexadecylamine, oleylamine, tetradecylamine, dodecylamine, N-methyl-1-octadecylamine and N-methyl-1-hexadecylamine.
8. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant overlay for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the elastomer is one or a combination of more of SBS modifier, polyurethane elasticity modifier QS-P24F, SBR modifier, SEBS modifier, SEPS modifier, SIS modifier and SIBS modifier.
9. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant overlay for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the accelerator is one or a combination of several of methyldiethanolamine, aminophenol, DMP-30, HY960 tertiary amine accelerator, OP-8658/DP-300 smearing, drying and curing accelerator, triethanolamine and titanate coupling agent (TC-114).
10. The preparation method of the epoxy-based noise-reducing cold-paving skid-resistant overlay for solving the problem of skid resistance of the pavement according to claim 1, which is characterized by comprising the following steps of: the nominal grain size of the basalt in the component C is 3-5mm, 5-7mm, 5-10mm and 2-4 mm.
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