CN112030660A - Construction method of anti-freezing pavement - Google Patents

Construction method of anti-freezing pavement Download PDF

Info

Publication number
CN112030660A
CN112030660A CN202010989946.0A CN202010989946A CN112030660A CN 112030660 A CN112030660 A CN 112030660A CN 202010989946 A CN202010989946 A CN 202010989946A CN 112030660 A CN112030660 A CN 112030660A
Authority
CN
China
Prior art keywords
parts
layer
pavement
freezing
modified
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010989946.0A
Other languages
Chinese (zh)
Other versions
CN112030660B (en
Inventor
王荃
吴品娟
吕剑
赵玉伟
李海龙
张凯乐
刘小宇
孔德腾
任鹏慧
王纯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010989946.0A priority Critical patent/CN112030660B/en
Publication of CN112030660A publication Critical patent/CN112030660A/en
Application granted granted Critical
Publication of CN112030660B publication Critical patent/CN112030660B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/023—Chemical treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/26—Bituminous materials, e.g. tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00—Compositions for artificial stone, not containing binders
    • C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
    • 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
    • E01C11/00—Details of pavings
    • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/245—Methods or arrangements for preventing slipperiness or protecting against influences of the weather for preventing ice formation or for loosening ice, e.g. special additives to the paving material, resilient coatings
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/29—Frost-thaw resistance
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention discloses a construction method of an anti-freezing pavement, which comprises the following steps: step one, surface treatment of a pavement base layer: leveling a pavement base layer, repairing defects, blowing off impurities on the pavement, and then spraying a layer of asphalt to obtain the pavement base layer; step two, paving an anti-cracking layer: paving the reticular steel bars on a base layer according to the mass parts, pouring concrete into a steel bar mesh, flattening, cooling and solidifying to obtain an anti-cracking layer; step three, paving an anti-freezing layer: and pouring the modified concrete above the anti-cracking layer, and performing rolling maintenance to obtain the anti-freezing layer. The pavement obtained by the invention has better anti-icing performance.

Description

Construction method of anti-freezing pavement
Technical Field
The invention relates to the technical field of road and bridge construction, in particular to a construction method of an anti-freezing road surface.
Background
With the development of society, expressways are distributed all over the world, and great convenience is brought to the life of people. The highway is mainly of an asphalt concrete pavement structure, the asphalt pavement is made of asphalt concrete as a surface layer, the capability of resisting driving and damage of natural factors to the pavement by using aggregates for paving is improved, the pavement is smooth and dustless, waterproof and durable, two-stage damping of wheels and the pavement is realized, the driving comfort is good, the noise is low, the adaptability to deformation or unevenness and settlement of a roadbed and a foundation is good, the repairing speed is high, and the vehicle can pass through after rolling. Therefore, the asphalt pavement is a high-grade pavement which is most widely adopted in road construction, and the construction and maintenance technology of the asphalt pavement is widely concerned by people.
However, under the influence of low temperature and rain and snow weather, the road surface is prone to natural disasters such as icing and snow accumulation, so that the friction coefficient of the road surface is greatly reduced, the braking distance of vehicles is greatly increased, the traffic accident rate is increased, and the life and property safety of people is seriously influenced.
CN201711381683.X discloses a construction method of an anti-freezing pavement, which comprises a substrate layer, a water seepage layer, an anti-cracking layer, a wear-resistant layer and an anti-freezing layer from bottom to top in sequence; the construction method of the anti-freezing pavement comprises the following steps: the method comprises the following steps: chiseling an old road surface; step two: laying a base layer; step three: paving a water seepage layer; step four: laying an anti-cracking layer; step five: laying a wear-resistant layer; step six: and laying an anti-freezing layer. The invention can avoid the road surface from freezing and reduce the probability of road surface slipping; and snow water after snow melting can permeate into the bottom layer of the road surface and be discharged, so that the snow water is prevented from being retained on the road surface for a long time.
CN201920418047.8 discloses a winter anti-freezing road surface, which mainly solves the problems that in the prior art, the road surface is frozen in winter, the difficulty in removing snow and ice is high, and the ecological environment is damaged due to the pollution of a salt snow-melting agent to soil, water, atmosphere and the like. Providing a winter freeze protected pavement comprising: the road surface comprises a roadbed and a firm film layer paved on the roadbed, wherein a plurality of polyurethane wall material microcapsules are arranged in the firm film layer; the polyurethane wall material microcapsule specifically comprises: the phase-change material comprises a polyurethane shell and a phase-change core encapsulated in the polyurethane shell, wherein non-freezing liquid is filled between the polyurethane shell and the phase-change core; the non-freezing liquid is one of polyalcohol, ether and low molecular paraffin, the low molecular paraffin is paraffin with carbon number less than 8, and the non-freezing liquid is low melting point nonvolatile organic liquid with melting point less than-10 deg.C; the firm film layer is formed by drying and curing polyurea and polyurethane double-component materials, epoxy resin or acrylic acid, better solves the problem and can be applied to the road surface.
CN201520441588.4 discloses an anti-freezing road surface for preventing ice from forming on the road surface in cold weather. Including by lower supreme establish in proper order make level and the clean up road surface basic unit on the dampproof course, prevent heat toward down conduction heat insulation layer, the heating cable layer that runs off, fixed road surface bed course and the road surface layer of protecting the heating cable layer, the heating cable layer edge arrives be provided with even hot surplus protection clearance between the heat insulation layer edge, the heating cable layer including arrange in heating cable on the heat insulation layer, be provided with the temperature sensing probe between the heating cable, leave even hot clearance between temperature sensing probe and the heating cable. The problem of freezing on the road surface is thoroughly solved in this application, heats the road surface before freezing on the road surface promptly, has improved the performance of road body again when guaranteeing that the road surface can not freeze, prevents that the road surface from freezing influence road body performance, shortening road body life. The design through this application road body can prolong the messenger life-span of road body, improves the security on road surface.
The treatment schemes of the prior art are all high in cost, can inhibit the road surface from icing to a certain extent, but cannot be popularized in a large area, and an effective technology capable of solving the problem of the road surface icing with low cost is found, so that the treatment schemes are popularized in a large area, and have great social value.
Disclosure of Invention
The invention provides a construction method of an anti-freezing road surface, and the road surface obtained by the method has better anti-freezing performance.
The construction method of the anti-freezing pavement is characterized by comprising the following steps of:
step one, surface treatment of a pavement base layer: leveling the base course of the pavement, repairing the defect, purging the impurities on the pavement, and then spraying a layer of asphalt with the asphalt temperature of 130-oC, the spraying amount is 0.5-1.0kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: according to the mass parts, the mesh steel bars are laid on a base layer, the mesh is a square with the side length of 4-8cm, then 100 parts of concrete, 10-20 parts of waste rubber powder, 20-30 parts of density 200kg/m with the particle size of 0.5-1.5mm3Uniformly mixing the polyimide foaming particles and 10-20 parts of filler powder, and heating to 170-180-oC, stirring for 10-15min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 3-5 cm;
step three, paving an anti-freezing layer: 100 parts of asphalt, 70-90 parts of coarse aggregate with the particle size of 5-10mm, 180 parts of modified cement broken particles with the particle size of less than 10mm, and 80 parts of cement broken particles90 portions of modified coconut fiber are evenly mixed and heated to 170-oAnd C, stirring for 10-15min, pouring above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 3-5 cm.
Preferably, the rubber in the second step is one or a combination of more of nitrile rubber, ethylene propylene rubber, styrene butadiene rubber, silicone rubber, fluorine rubber and isoprene rubber.
Preferably, the filler in the second step is one or a combination of calcium carbonate, glass fiber, carbon fiber, silica, layered calcium silicate and mica powder.
Preferably, the coarse aggregate in the third step is one or a combination of crushed stone, gravel, pebble, pumice and natural sand.
Preferably, the preparation method of the modified cement broken particles in the third step comprises the following steps:
according to the mass parts, 30-50 parts of high-alumina cement, 30-50 parts of portland cement, 7-9 parts of silicon dioxide powder, 4-6 parts of anhydrous calcium sulfate, 4-8 parts of modified coconut fiber, 1-2 parts of defoaming agent, 1-2 parts of water reducing agent, 2-3 parts of hydroxypropyl cellulose, 70-100 parts of anti-freezing ice salt and 200-210 parts of water are mixed, stirred uniformly and solidified to obtain cement blocks, the cement blocks are crushed and screened by a crusher, particles with the particle size of less than 10mm are taken, and the particles with the particle size of more than 10mm are continuously crushed to obtain the modified cement crushed particles.
Preferably, the water reducing agent is one or a combination of more of sodium lignosulfonate, calcium lignosulfonate, magnesium lignosulfonate, sulfonated melamine formaldehyde, sulfamate and casein.
Preferably, the anti-freezing salt is one or a combination of calcium chloride, sodium chloride, potassium acetate, magnesium chloride, magnesium sulfate, calcium sulfate and calcium acetate.
The processing method of the modified coconut fiber comprises the following steps:
according to the mass parts, 50-60 parts of coconut shell fiber are immersed into 500 parts of sodium hydroxide solution with the mass percent of 8-14% in a reaction kettle, heated to 60-80 ℃, treated for 50-120min, filtered, cleaned, added with 400 parts of hydrogen peroxide with the mass percent of 20-27%, controlled at 60-70 ℃, stirred and reacted for 2-5h, filtered and washed to obtain the coconut shell fiber containing carboxyl,
then the coconut shell fiber containing carboxyl is put into 500 portions of water of 300-portions, 5-9 portions of polycaprolactone triol, 0.05-0.4 portion of hydroxyl silicone oil and 0.5-2.3 portions of p-toluenesulfonic acid are added, the temperature is controlled at 50-60 ℃, the reaction lasts for 4-8h, the filtration is carried out, the filtrate is recycled, the bagasse fiber is washed by acetone after the completion, and then the drying is carried out at 50-60 ℃, thus obtaining the modified coconut shell fiber.
The bagasse fiber containing carboxyl, polycaprolactone triol and hydroxyl silicone oil are subjected to condensation reaction, caprolactone and siloxane are introduced to a bagasse fiber skeleton, and the reaction mechanism is shown as follows:
Figure DEST_PATH_IMAGE002
Figure DEST_PATH_IMAGE004
further, part of the reaction mechanism in the cement curing process is shown as follows:
Figure DEST_PATH_IMAGE006
compared with the prior art, the invention has the beneficial effects that:
1. by adding the modified cement particles into the anti-freezing layer, the anti-freezing capacity of the pavement is greatly improved;
2. by adding the modified coconut fiber into the anti-freezing layer, the anti-freezing salt on the pavement is dissolved by ice water and then adsorbed by the modified coconut fiber, so that the anti-freezing salt is retained in the pavement and repeatedly plays a role;
the modified coconut fiber is not added, the icing condition of the obtained pavement is not completely iced, ice shoveling is easy, the freeze-thaw splitting strength ratio is 83%, and the icing condition is completely iced after the freeze-thaw experiment is repeated for 100 times.
The icing condition of the pavement obtained after the ice-removing agent is added is unfrozen, ice is easily shoveled by the ice shoveling difficulty degree, the freeze-thaw splitting strength ratio is 90%, and the icing condition is not completely iced after the freeze-thaw experiment is repeated for 100 times, so that the ice-removing agent has remarkable progress.
3. The polyimide foam particles are added into the anti-cracking layer, so that the anti-cracking performance of the anti-cracking layer is improved, and the heat insulation performance of the anti-cracking layer is improved;
4. the material of the invention is common material, has low cost and is suitable for popularization and use.
Drawings
FIG. 1 is a Fourier Infrared Spectroscopy of the broken cement particles obtained in example 1:
at 2933cm-1The expansion and contraction absorption peak of the hydrocarbon exists nearby, and is 1610/1465cm-1An antisymmetric/symmetric telescopic absorption peak of carboxylate ions exists nearby, which indicates that sodium acetate participates in the reaction; at 916cm-1An absorption peak of silicate ions exists nearby, which indicates that the portland cement participates in the reaction; at 650cm-1An absorption peak of alumina exists nearby, which indicates that the high-alumina cement participates in the reaction; at 455cm-1An absorption peak of silicon dioxide exists nearby, which indicates that silicon dioxide powder participates in the reaction; at 1186cm-1An antisymmetric telescopic absorption peak of sulfate radicals exists nearby, which indicates that anhydrous calcium sulfate participates in the reaction; at 3451cm-1An absorption peak of hydroxyl group at 966cm is present in the vicinity-1An absorption peak of ether bond exists nearby, which indicates that the hydroxypropyl cellulose participates in the reaction; at 1078cm-1A telescopic absorption peak of sulfonate ions exists nearby, which indicates that calcium lignosulfonate participates in the reaction.
Detailed Description
The raw materials used in the following examples are all commercially available products, and the examples are further illustrative of the present invention and do not limit the scope of the present invention;
the performance test methods are as follows:
1. icing condition, 1m2The pavement material is placed at-10oSpraying 200g of water on the surface at the temperature of C, and after 10 hoursObserving the icing condition;
2. the ice shoveling difficulty is 1m2The pavement material is placed at-10oSpraying 200g of water on the surface at the temperature of C, shoveling ice after 10 hours, and checking the difficulty degree of shoveling ice;
3. the freeze-thaw split strength ratio was tested according to JTG F40-2004.
Example 1
Step one, surface treatment of a pavement base layer: leveling the base course of the pavement, repairing the defects, purging the impurities on the pavement, and spraying a layer of asphalt at a temperature of 130 DEG CoC, spraying amount of 0.5kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: laying mesh steel bar on the base layer, wherein the mesh is 4cm square, and then placing 100kg concrete, 10kg waste nitrile rubber powder, 20kg density 100kg/m with particle size of 0.5mm3The polyimide foam particles and 10kg of calcium carbonate powder are mixed uniformly and heated to 180 DEGoC, stirring for 10min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 3 cm;
step three, paving an anti-freezing layer: mixing 100kg asphalt, 70kg crushed stone with particle size of 5mm, 180kg modified cement crushed particles with particle size of below 10mm, and 80kg modified coconut fiber uniformly, heating to 170oAnd C, stirring for 15min, pouring the mixture above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 3 cm.
The preparation method of the modified cement broken particles comprises the following steps:
mixing 30kg of high alumina cement, 30kg of portland cement, 7kg of silicon dioxide powder, 4kg of anhydrous calcium sulfate, 1kg of modified coconut fiber, 1kg of defoaming agent, 1kg of sodium lignosulfonate, 2kg of hydroxypropyl cellulose, 70kg of calcium acetate and 200kg of water, uniformly stirring, curing to obtain cement blocks, crushing and screening the cement blocks by using a crusher, taking particles with the particle size of less than 10mm, and continuously crushing the particles with the particle size of more than 10mm to obtain the modified cement crushed particles.
The processing method of the modified coconut fiber comprises the following steps:
immersing 50-60kg of coconut shell fiber into 500kg of sodium hydroxide solution with the mass percent of 8-14 percent and 300-80 ℃ in a reaction kettle, heating to the temperature of 60-80 ℃, treating for 50-120min, filtering, cleaning the coconut shell fiber, adding 400kg of hydrogen peroxide with the mass percent of 20-27 percent, controlling the temperature to be 60-70 ℃, stirring and reacting for 2-5h, filtering, washing to obtain the coconut shell fiber containing carboxyl,
and then putting the coconut shell fiber containing carboxyl into 300kg of water, adding 5kg of polycaprolactone triol, 0.05kg of hydroxyl silicone oil and 0.5kg of p-toluenesulfonic acid, controlling the temperature to be 50 ℃, reacting for 4h, filtering, recycling the filtrate, washing the bagasse fiber with acetone after the reaction is finished, and drying at 50 ℃ to obtain the modified coconut shell fiber.
The icing condition of the obtained pavement is incomplete icing, ice shoveling is easy to realize, the freeze-thaw splitting strength ratio is 85%, and the icing condition is incomplete icing after a freeze-thaw experiment is repeated for 100 times.
Example 2
Step one, surface treatment of a pavement base layer: leveling the base course of the pavement, repairing the defects, purging the impurities on the pavement, and then spraying a layer of asphalt with the asphalt temperature of 132.8 DEGoC, spraying amount of 0.6kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: laying mesh steel bar on the base layer, wherein the mesh is square with side length of 4.4cm, and then placing 100kg concrete, 11.6kg waste ethylene propylene rubber powder, 22kg density of 20.7 mm particle size 126kg/m3The polyimide foam particles and 11.6kg of glass fiber powder are mixed uniformly and heated to 177.6oC, stirring for 10.5min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 3.3 cm;
step three, paving an anti-freezing layer: 100kg of asphalt, 73.2kg of gravel with the particle size of 5.8mm, 184.8kg of modified cement crushed particles with the particle size of less than 10mm and 81.6kg of modified coconut fibers are uniformly mixed and heated to 171.2oC, stirring for 13.7min, pouring above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 3.3 cm.
The preparation method of the modified cement broken particles comprises the following steps:
mixing and uniformly stirring 33.2kg of high alumina cement, 33.6kg of portland cement, 7.3kg of silicon dioxide powder, 4.5kg of anhydrous calcium sulfate, 1.2kg of modified coconut shell fiber, 1.2kg of defoaming agent, 1.2kg of calcium lignosulfonate, 2.2kg of hydroxypropyl cellulose, 77.8kg of sodium acetate and 202.4kg of water, solidifying to obtain cement blocks, crushing and screening the cement blocks by using a crusher, taking particles with the particle size of less than 10mm, and continuously crushing the particles with the particle size of more than 10mm to obtain the modified cement crushed particles.
The processing method of the modified coconut fiber comprises the following steps:
immersing 50-60kg of coconut shell fiber into 500kg of sodium hydroxide solution with the mass percent of 8-14 percent and 300-80 ℃ in a reaction kettle, heating to the temperature of 60-80 ℃, treating for 50-120min, filtering, cleaning the coconut shell fiber, adding 400kg of hydrogen peroxide with the mass percent of 20-27 percent, controlling the temperature to be 60-70 ℃, stirring and reacting for 2-5h, filtering, washing to obtain the coconut shell fiber containing carboxyl,
and then putting the coconut shell fiber containing carboxyl into 350kg of water, adding 6kg of polycaprolactone triol, 0.09kg of hydroxyl silicone oil and 0.8kg of p-toluenesulfonic acid, controlling the temperature to be 52 ℃, reacting for 5h, filtering, recycling the filtrate, washing the bagasse fiber with acetone after the reaction is finished, and drying at 52 ℃ to obtain the modified coconut shell fiber.
The icing condition of the obtained pavement is incomplete icing, ice shoveling is easy to realize, the freeze-thaw splitting strength ratio is 86.1%, and the icing condition is incomplete icing after a freeze-thaw experiment is repeated for 100 times.
Example 3
Step one, surface treatment of a pavement base layer: leveling the base course of the road surface, repairing the defect, purging the impurities on the road surface, and then spraying a layer of asphalt with the asphalt temperature of 135.4oC, spraying amount of 0.6kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: laying mesh steel bar on the base layer, wherein the mesh is 4.8cm square, and mixing 100kg concrete, 12.8kg waste butadiene styrene rubber powder, 23.8kg waste butadiene styrene rubber powder with particle size of 0.9mm and density of 154kg/m3Mixing the polyimide foam particles with 12.8kg of carbon fiber powder, addingHeat to 176.2oC, stirring for 11.4min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 3.7 cm;
step three, paving an anti-freezing layer: mixing 100kg asphalt, 77.6kg pebble with particle size of 6.4mm, 190.4kg modified cement broken particles with particle size of less than 10mm, and 84.4kg modified coconut shell fiber, heating to 172.2oAnd C, stirring for 13.1min, pouring above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 3.7 cm.
The preparation method of the modified cement broken particles comprises the following steps:
mixing and uniformly stirring 37.2kg of high alumina cement, 37.6kg of portland cement, 7.6kg of silicon dioxide powder, 4.7kg of anhydrous calcium sulfate, 1.3kg of modified coconut shell fiber, 1.4kg of defoaming agent, 1.3kg of magnesium lignosulfonate, 2.3kg of hydroxypropyl cellulose, 84.4kg of potassium acetate and 204kg of water, solidifying to obtain cement blocks, crushing and screening the cement blocks by using a crusher, taking particles with the particle size of less than 10mm, and continuously crushing the particles with the particle size of more than 10mm to obtain the crushed particles of the modified cement.
The processing method of the modified coconut fiber comprises the following steps:
immersing 55kg of coconut shell fiber into 380kg of sodium hydroxide solution with the mass percent content of 9 percent in a reaction kettle, heating to 67 ℃, treating for 70min, filtering, cleaning the coconut shell fiber, adding 340kg of hydrogen peroxide with the mass percent content of 24 percent, controlling the temperature to 65 ℃, stirring and reacting for 3h, filtering, washing to obtain the coconut shell fiber containing carboxyl,
and then placing the coconut shell fiber containing carboxyl into 400kg of water, adding 7kg of polycaprolactone triol, 0.1kg of hydroxyl silicone oil and 1.1kg of p-toluenesulfonic acid, controlling the temperature to be 55 ℃, reacting for 6h, filtering, recycling the filtrate, washing the bagasse fiber with acetone after the reaction is finished, and drying at 56 ℃ to obtain the modified coconut shell fiber.
The icing condition of the obtained pavement is incomplete icing, ice shoveling is easy to realize, the freeze-thaw splitting strength ratio is 86.7%, and the icing condition is incomplete icing after a freeze-thaw experiment is repeated for 100 times.
Example 4
Step one, surface treatment of a pavement base layer: leveling the base course of the road surface, repairing the defect, purging the impurities on the road surface, and then spraying a layer of asphalt with the asphalt temperature of 137.4oC, spraying amount of 0.7kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: laying mesh steel bar on the base layer, wherein the mesh is a square with a side length of 5.4cm, then placing 100kg concrete, 14.6kg waste silicone rubber powder, 26.4kg waste silicone rubber powder with a particle size of 1mm and a density of 164kg/m3The polyimide foam particles were mixed with 15.6kg of silica powder, and the mixture was heated to 174.4 kgoC, stirring for 12.5min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 4.1 cm;
step three, paving an anti-freezing layer: mixing 100kg asphalt, 80kg pumice with particle size of 7.3mm, 193.6kg modified cement broken particles with particle size of 10mm or less, and 86.4kg modified coconut fiber, and heating to 173.8oAnd C, stirring for 12.1min, pouring above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 4.1 cm.
The preparation method of the modified cement broken particles comprises the following steps:
41.2kg of high alumina cement, 43.2kg of portland cement, 7.8kg of silicon dioxide powder, 4.9kg of anhydrous calcium sulfate, 1.4kg of modified coconut shell fiber, 1.6kg of defoaming agent, 1.5kg of sulfonated melamine formaldehyde, 2.5kg of hydroxypropyl cellulose, 91.6kg of magnesium chloride and 206.2kg of water are mixed, stirred uniformly and solidified to obtain cement blocks, the cement blocks are crushed and screened by a crusher, particles with the particle size of less than 10mm are taken, and the particles with the particle size of more than 10mm are continuously crushed to obtain the modified cement crushed particles.
The processing method of the modified coconut fiber comprises the following steps:
immersing 58kg of coconut shell fiber into 420kg of 9 percent sodium hydroxide solution by mass in a reaction kettle, heating to 71 ℃, treating for 100min, filtering, cleaning the coconut shell fiber, adding 370kg of 25 percent hydrogen peroxide by mass, controlling the temperature at 68 ℃, stirring for reacting for 4h, filtering, washing to obtain the carboxyl-containing coconut shell fiber,
and then putting the coconut shell fiber containing carboxyl into 470kg of water, adding 8kg of polycaprolactone triol, 0.3kg of hydroxyl silicone oil and 1.9kg of p-toluenesulfonic acid, controlling the temperature to 57 ℃, reacting for 7h, filtering, recycling the filtrate, washing the bagasse fiber with acetone after the reaction is finished, and drying at the temperature of 58 ℃ to obtain the modified coconut shell fiber.
The icing condition of the obtained pavement is not icing, the ice shoveling difficulty degree is easy to shovel ice, the freeze-thaw splitting strength ratio is 87.6%, and the icing condition is not completely icing after the freeze-thaw experiment is repeated for 100 times.
Example 5
Step one, surface treatment of a pavement base layer: leveling the base course of the road surface, repairing the defect, purging the impurities on the road surface, and then spraying a layer of asphalt with the asphalt temperature of 138.8oC, spraying amount of 0.7kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: laying mesh steel bar on the base layer, wherein the mesh is square with side length of 6.2cm, and then placing 100kg concrete, 16.6kg waste fluororubber powder, 27.4kg waste fluororubber powder with particle size of 1.1mm and density of 174kg/m3The polyimide foam particles and 18.4kg of layered calcium silicate powder were mixed uniformly and heated to 173%oC, stirring for 13.5min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 4.3 cm;
step three, paving an anti-freezing layer: mixing 100kg asphalt, 84.8kg natural sand with particle diameter of 8.2mm, 198kg modified cement broken particles with particle diameter of less than 10mm, 89kg modified coconut fiber, heating to 175oAnd C, stirring for 11.6min, pouring above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 4.3 cm.
The preparation method of the modified cement broken particles comprises the following steps:
mixing 45.6kg of high alumina cement, 46.8kg of portland cement, 8.2kg of silicon dioxide powder, 5.1kg of anhydrous calcium sulfate, 1.6kg of modified coconut shell fiber, 1.7kg of defoaming agent, 1.7kg of sulfamate, 2.6kg of hydroxypropyl cellulose, 96.4kg of magnesium sulfate and 207.6kg of water, uniformly stirring and curing to obtain cement blocks, crushing and screening the cement blocks by using a crusher, taking particles with the particle size of less than 10mm, and continuously crushing the particles with the particle size of more than 10mm to obtain the crushed modified cement particles.
The processing method of the modified coconut fiber comprises the following steps:
immersing 5kg of coconut shell fiber into 490kg of sodium hydroxide solution with the mass percent content of 12 percent in a reaction kettle, heating to 77 ℃, treating for 110min, filtering, cleaning the coconut shell fiber, adding 390kg of hydrogen peroxide with the mass percent content of 26 percent, controlling the temperature to 69 ℃, stirring and reacting for 4h, filtering, washing to obtain the coconut shell fiber containing carboxyl,
and then putting the coconut shell fiber containing carboxyl into 480kg of water, adding 8kg of polycaprolactone triol, 0.3kg of hydroxyl silicone oil and 2.2kg of p-toluenesulfonic acid, controlling the temperature to be 59 ℃, reacting for 7h, filtering, recycling the filtrate, washing the bagasse fiber with acetone after the reaction is finished, and drying at 59 ℃ to obtain the modified coconut shell fiber.
The icing condition of the obtained pavement is unfrozen, ice is easy to shovel by the ice shoveling difficulty degree, the freeze-thaw splitting strength ratio is 88.1%, and the icing condition is not completely iced after the freeze-thaw experiment is repeated for 100 times.
Example 6
Step one, surface treatment of a pavement base layer: leveling the base course of the pavement, repairing the defects, blowing off impurities on the pavement, and spraying a layer of asphalt at the temperature of 140 DEG CoC, the spraying amount is 1kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: laying mesh steel bar on the base layer, wherein the mesh is a square with side length of 8cm, and then placing 100kg of concrete, 20kg of waste isoprene rubber powder, 30kg of waste isoprene rubber powder with particle size of 1.5mm and density of 200kg/m3The polyimide foaming particles and 20kg of mica powder are mixed evenly and heated to 170oC, stirring for 15min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 5 cm;
step three, paving an anti-freezing layer: mixing 100kg asphalt, 90kg pumice with particle size of 10mm, 200kg modified cement broken particles with particle size of less than 10mm, and 90kg modified coconut fiber, heating to 180%oAnd C, stirring for 10min, pouring the mixture above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 5 cm.
The preparation method of the modified cement broken particles comprises the following steps:
50kg of high alumina cement, 50kg of portland cement, 9kg of silicon dioxide powder, 6kg of anhydrous calcium sulfate, 2kg of modified coconut fiber, 2kg of defoaming agent, 2kg of casein, 3kg of hydroxypropyl cellulose, 100kg of calcium sulfate and 210kg of water are mixed, stirred uniformly and solidified to obtain cement blocks, the cement blocks are crushed and screened by a crusher, particles with the particle size of less than 10mm are taken, and the particles with the particle size of more than 10mm are continuously crushed to obtain the modified cement crushed particles.
The processing method of the modified coconut fiber comprises the following steps:
immersing 60kg of coconut shell fiber into 500kg of sodium hydroxide solution with the mass percent content of 14 percent in a reaction kettle, heating to 80 ℃, treating for 120min, filtering, cleaning the coconut shell fiber, adding 400kg of hydrogen peroxide with the mass percent content of 27 percent, controlling the temperature to be 70 ℃, stirring for reaction for 5h, filtering, washing to obtain the coconut shell fiber containing carboxyl,
and then putting the coconut shell fiber containing carboxyl into 500kg of water, adding 9kg of polycaprolactone triol, 0.4kg of hydroxyl silicone oil and 2.3kg of p-toluenesulfonic acid, controlling the temperature to be 60 ℃, reacting for 8 hours, filtering, recycling the filtrate, washing the bagasse fiber with acetone after the reaction is finished, and drying at the temperature of 60 ℃ to obtain the modified coconut shell fiber.
The icing condition of the obtained pavement is unfrozen, ice is easy to shovel by the ice shoveling difficulty degree, the freeze-thaw splitting strength ratio is 90%, and the icing condition is not completely iced after the freeze-thaw experiment is repeated for 100 times.
Comparative example 1
Compared with the embodiment 1, the added modified cement particles are replaced by the common cement particles, the icing condition of the obtained pavement is complete icing, the ice shoveling difficulty degree is that ice shoveling is difficult, the freeze-thaw splitting strength ratio is 75%, and the icing condition is complete icing after the freeze-thaw experiment is repeated for 100 times.
Comparative example 2
Compared with the embodiment 1, the amount of the added modified coconut fiber is 0kg, the icing condition of the obtained pavement is incomplete icing, the ice shoveling difficulty degree is easy ice shoveling, the freeze-thaw splitting strength ratio is 83%, and the icing condition is complete icing after the freeze-thaw experiment is repeated for 100 times.
Comparative example 3
Compared with the embodiment 1, the mass of the added polyimide foaming particles is 0kg, the icing condition of the obtained pavement is incomplete icing, the ice shoveling difficulty degree is easy ice shoveling, the freeze-thaw splitting strength ratio is 82%, the icing condition is incomplete icing after the freeze-thaw experiment is repeated for 100 times, and part of the anti-cracking layer is cracked.

Claims (8)

1. The construction method of the anti-freezing pavement is characterized by comprising the following steps of:
step one, surface treatment of a pavement base layer: leveling the base course of the pavement, repairing the defect, purging the impurities on the pavement, and then spraying a layer of asphalt with the asphalt temperature of 130-oC, the spraying amount is 0.5-1.0kg/m2Obtaining a pavement base layer;
step two, paving an anti-cracking layer: according to the mass parts, the mesh steel bars are laid on a base layer, the mesh is a square with the side length of 4-8cm, then 100 parts of concrete, 10-20 parts of waste rubber powder, 20-30 parts of density 200kg/m with the particle size of 0.5-1.5mm3Uniformly mixing the polyimide foaming particles and 10-20 parts of filler powder, and heating to 170-180-oC, stirring for 10-15min, pouring into a reinforcing mesh, flattening, cooling and solidifying to obtain an anti-cracking layer with the thickness of 3-5 cm;
step three, paving an anti-freezing layer: according to the mass portion, 100 portions of asphalt, 70 to 90 portions of coarse aggregate with the grain diameter of 5 to 10mm, 180 portions of modified cement broken particles with the grain diameter of less than 10mm and 80 to 90 portions of modified coconut fiber are evenly mixed and heated to 170 portions and 180 portionsoAnd C, stirring for 10-15min, pouring above the anti-cracking layer, and rolling and maintaining to obtain an anti-freezing layer with the thickness of 3-5 cm.
2. The method according to claim 1, wherein the rubber in the second step is one or a combination of nitrile rubber, ethylene propylene rubber, styrene butadiene rubber, silicon rubber, fluorine rubber and isoprene rubber.
3. The method according to claim 1, wherein the filler in the second step is one or more of calcium carbonate, glass fiber, carbon fiber, silica, layered calcium silicate and mica powder.
4. The method according to claim 1, wherein the coarse aggregate in step three is one or more of crushed stone, gravel, pebble, pumice and natural sand.
5. The method according to claim 1, wherein the preparation method of the modified cement broken particles in the third step is as follows:
according to the mass parts, 30-50 parts of high-alumina cement, 30-50 parts of portland cement, 7-9 parts of silicon dioxide powder, 4-6 parts of anhydrous calcium sulfate, 1-2 parts of modified coconut fibers, 1-2 parts of defoaming agent, 1-2 parts of water reducing agent, 2-3 parts of hydroxypropyl cellulose, 70-100 parts of anti-freezing ice salt and 200-210 parts of water are mixed, stirred uniformly and solidified to obtain cement blocks, the cement blocks are crushed and screened by a crusher, particles with the particle size of less than 10mm are taken, and the particles with the particle size of more than 10mm are continuously crushed to obtain the modified cement crushed particles.
6. The method according to claim 5, wherein the water reducing agent is one or more of sodium lignosulfonate, calcium lignosulfonate, magnesium lignosulfonate, sulfonated melamine formaldehyde, sulfamate and casein.
7. The method according to claim 5, wherein the anti-freezing salt is one or more of calcium chloride, sodium chloride, potassium acetate, magnesium chloride, magnesium sulfate, calcium sulfate, and calcium acetate.
8. The method of claim 1 wherein the modified coir is prepared by:
according to the mass parts, 50-60 parts of coconut shell fiber are immersed into 500 parts of sodium hydroxide solution with the mass percent of 8-14% in a reaction kettle, heated to 60-80 ℃, treated for 50-120min, filtered, cleaned, added with 400 parts of hydrogen peroxide with the mass percent of 20-27%, controlled at 60-70 ℃, stirred and reacted for 2-5h, filtered and washed to obtain the coconut shell fiber containing carboxyl,
then the coconut shell fiber containing carboxyl is put into 500 portions of water of 300-portions, 5-9 portions of polycaprolactone triol, 0.05-0.4 portion of hydroxyl silicone oil and 0.5-2.3 portions of p-toluenesulfonic acid are added, the temperature is controlled at 50-60 ℃, the reaction lasts for 4-8h, the filtration is carried out, the filtrate is recycled, the bagasse fiber is washed by acetone after the completion, and then the drying is carried out at 50-60 ℃, thus obtaining the modified coconut shell fiber.
CN202010989946.0A 2020-09-19 2020-09-19 Construction method of anti-freezing pavement Expired - Fee Related CN112030660B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010989946.0A CN112030660B (en) 2020-09-19 2020-09-19 Construction method of anti-freezing pavement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010989946.0A CN112030660B (en) 2020-09-19 2020-09-19 Construction method of anti-freezing pavement

Publications (2)

Publication Number Publication Date
CN112030660A true CN112030660A (en) 2020-12-04
CN112030660B CN112030660B (en) 2021-04-02

Family

ID=73574986

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010989946.0A Expired - Fee Related CN112030660B (en) 2020-09-19 2020-09-19 Construction method of anti-freezing pavement

Country Status (1)

Country Link
CN (1) CN112030660B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113981760A (en) * 2021-11-05 2022-01-28 河北建筑工程学院 Anti-seismic roadbed and construction method thereof

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585972A (en) * 1981-07-01 1983-01-13 Agency Of Ind Science & Technol Electrode for fuel cell
KR20030001114A (en) * 2001-06-28 2003-01-06 한국건설기술연구원 Materials for reinforcement of the lower part of road using copper slag
CN106045398A (en) * 2016-05-31 2016-10-26 华北水利水电大学 Method for preparing cracking-resistant low-shrinking cement mortar with modified coconut fibers
CN106565159A (en) * 2016-10-25 2017-04-19 东莞市联洲知识产权运营管理有限公司 High-performance cement mortar and preparation method thereof
CN206956495U (en) * 2017-07-04 2018-02-02 江苏兆通工程技术有限公司 Antifreeze, anti-skidding porous pavement
CN107963853A (en) * 2017-11-15 2018-04-27 周荣 A kind of preparation method of durable self-cure type concrete
CN108086084A (en) * 2017-12-20 2018-05-29 昆山顶牛市政建设有限公司 A kind of antifreeze pavement construction method
CN109020386A (en) * 2018-08-31 2018-12-18 郭舒洋 A kind of cement fibrolite plate
CN109251543A (en) * 2018-08-20 2019-01-22 无锡创彩光学材料有限公司 A kind of High-performance asphalt composition and preparation method thereof
CN110965425A (en) * 2019-12-24 2020-04-07 广州市芳村建筑工程有限公司 Asphalt concrete pavement construction method
CN111254775A (en) * 2020-01-17 2020-06-09 江西省昭昀建设工程有限公司 Heat-insulation anti-freezing type highway and construction method thereof

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS585972A (en) * 1981-07-01 1983-01-13 Agency Of Ind Science & Technol Electrode for fuel cell
KR20030001114A (en) * 2001-06-28 2003-01-06 한국건설기술연구원 Materials for reinforcement of the lower part of road using copper slag
CN106045398A (en) * 2016-05-31 2016-10-26 华北水利水电大学 Method for preparing cracking-resistant low-shrinking cement mortar with modified coconut fibers
CN106565159A (en) * 2016-10-25 2017-04-19 东莞市联洲知识产权运营管理有限公司 High-performance cement mortar and preparation method thereof
CN206956495U (en) * 2017-07-04 2018-02-02 江苏兆通工程技术有限公司 Antifreeze, anti-skidding porous pavement
CN107963853A (en) * 2017-11-15 2018-04-27 周荣 A kind of preparation method of durable self-cure type concrete
CN108086084A (en) * 2017-12-20 2018-05-29 昆山顶牛市政建设有限公司 A kind of antifreeze pavement construction method
CN109251543A (en) * 2018-08-20 2019-01-22 无锡创彩光学材料有限公司 A kind of High-performance asphalt composition and preparation method thereof
CN109020386A (en) * 2018-08-31 2018-12-18 郭舒洋 A kind of cement fibrolite plate
CN110965425A (en) * 2019-12-24 2020-04-07 广州市芳村建筑工程有限公司 Asphalt concrete pavement construction method
CN111254775A (en) * 2020-01-17 2020-06-09 江西省昭昀建设工程有限公司 Heat-insulation anti-freezing type highway and construction method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113981760A (en) * 2021-11-05 2022-01-28 河北建筑工程学院 Anti-seismic roadbed and construction method thereof

Also Published As

Publication number Publication date
CN112030660B (en) 2021-04-02

Similar Documents

Publication Publication Date Title
Sadek Effect of cooling technique of blast furnace slag on the thermal behavior of solid cement bricks
CN110436847A (en) A kind of high-strength anti-crack concrete and preparation method thereof
CN104261790B (en) Urethane/silicate composite material of hole, a kind of quick rehabilitating concrete road surface groove and preparation method thereof
KR102146982B1 (en) Asphalt Concrete Compositions Having Low Noise and Permeable Using Styrene Isoprene Styrene, Styrene Ethylene Butylene Styrene and Aggregate-powder of Improved Grain Size for Anti-freezing and Constructing Methods Using Thereof
KR20190069360A (en) Road pavement constructing method using imperviousness concrete having waterproof and anticorrosive
RU2281356C1 (en) Ground consolidation composition and method of its usage for road building
CN112030660B (en) Construction method of anti-freezing pavement
CN111622043A (en) Drainage noise reduction type asphalt pavement paving structure
CN111560818B (en) Foamed asphalt pavement regeneration material capable of reducing cracking and preparation and construction methods thereof
KR102477116B1 (en) Manufactacturing method of eco-friendly concrete block using eco-friendly bottom ash, and eco-friendly concrete block manufactured by the same
CN109160787B (en) Porous water-permeable environment-friendly diluted asphalt cold-patch material and preparation method thereof
KR101363860B1 (en) A super high early strength concrete composition using the eco-friendly cycling silica sand and repairing method of concrete pavement using the same
KR102278195B1 (en) Crack reduction type quick-hardening cement concrete composition and repairing method for road pavement using the same
CN110016847B (en) Foamed asphalt cold-recycling pavement structure and construction process thereof
CN115734953B (en) Glass carbon aggregate for lightweight concrete
KR100987112B1 (en) Recovery method for concrete pavement
CN212404689U (en) High-strength anti-rutting type pavement base structure
CN113831089A (en) Cement concrete curb containing brick-concrete building garbage recycled aggregate and preparation method thereof
KR100532811B1 (en) Colored fine compacted concrete pavement method
Huang et al. Preparation, performance evaluation and de-icing longevity prediction of novel de-icing fiber permeable asphalt mixture
CN112062520A (en) Antifreezing concrete composition and preparation method thereof
CN111205041A (en) Anti-cracking agent for pavement base material in seasonal frozen region and preparation method thereof
KR102450053B1 (en) Road pavement structure with improved freeze-thaw resistance
CN114751769B (en) Anti-rutting pavement asphalt mixture and preparation method thereof
CN116143454B (en) Anti-icing asphalt pavement composition and pavement construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 050000 No. 681, West Third Ring Road, Qiaoxi District, Shijiazhuang City, Hebei Province

Applicant after: Wang Chuo

Address before: 224000 No. 44, Three Groups of Samsung Community, Yancheng Economic Development Zone, Jiangsu Province

Applicant before: Wang Chuo

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210402

Termination date: 20210919