KR101663588B1 - Asphalt Concrete Layer Composition for Waterproof Using Seaweedsand Constructing Methods Using Thereof - Google Patents
Asphalt Concrete Layer Composition for Waterproof Using Seaweedsand Constructing Methods Using Thereof Download PDFInfo
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- KR101663588B1 KR101663588B1 KR1020160037338A KR20160037338A KR101663588B1 KR 101663588 B1 KR101663588 B1 KR 101663588B1 KR 1020160037338 A KR1020160037338 A KR 1020160037338A KR 20160037338 A KR20160037338 A KR 20160037338A KR 101663588 B1 KR101663588 B1 KR 101663588B1
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- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
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- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
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- 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
- C04B20/0076—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 characterised by the grain distribution
- C04B20/008—Micro- or nanosized fillers, e.g. micronised fillers with particle size smaller than that of the hydraulic binder
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- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/182—Aggregate or filler materials, except those according to E01C7/26
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0001—Living organisms, e.g. microorganisms, or enzymes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Dispersion Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to an asphalt composition comprising 0.1 to 10 parts by weight of seaweeds based on 100 parts by weight of asphalt; 10 to 1,000 parts by weight of aggregate; 10 to 70 parts by weight of a polymer powder resin; 2 to 30 parts by weight of a curing agent; 30 to 80 parts by weight of a glycidyl methacrylate resin; 10 to 40 parts by weight of nano-ceramic particles; 5 to 40 parts by weight of silicate; 5 to 30 parts by weight of an adhesion promoter; And 2 to 20 parts by weight of a fiber, and a construction method using the composition.
The waterproof asphalt concrete layer composition according to the present invention primarily comprises a waterproof asphalt concrete layer formed of an asphalt concrete layer composition, and the asphalt concrete formed by packing a general asphalt layer on the waterproofing concrete layer has a waterproof performance, It is possible to minimize occurrence of cracks, surface peeling, dropout (port hole), and the like.
Description
The present invention relates to a waterproof asphalt concrete layer composition. More particularly, the present invention relates to a waterproof asphalt concrete layer composition, which is formed by forming a waterproof asphalt concrete layer with an asphalt concrete layer composition and packaging a general asphalt layer thereon, The present invention relates to a waterproof asphalt concrete layer composition using seaweeds and to a construction method using the same.
In general, as the industrial society develops, the utilization rate of vehicles increases, and accordingly, safety facilities for construction and accident prevention of many roads are installed for smooth communication and safety of traffic.
Particularly, road pavement methods used in road construction are mainly made of asphalt pavement having a bedrock and a surface layer having a thickness of 2 to 10 cm, or cement concrete pavement comprising a roadbed and a concrete plate thereon.
On the other hand, on a general road, information is displayed by coating a road surface with a resin composition, specifically paint, to provide information to a vehicle or a pedestrian.
Furthermore, in order to prevent the vehicle from over-speeding, a speed limiter is provided on the road surface in front of a general crosswalk, in a school zone, or in an alley where a safety accident due to speeding is likely to occur. And the coating film is formed by urethane or epoxy so that the yellow and white bands are repeated on the surface of the speed braking jig so that the driving vehicle can be recognized at a long distance.
Korean Patent Registration No. 0880030 discloses an asphalt composition, which comprises 60 to 80% by weight of asphalt cement; 15 to 35% by weight of a vegetable oil, and contains aliphatic polyamides.
On the other hand, in general, bridges are collectively referred to as high-priced structures that are constructed so as to pass over upper parts of rivers, coasts, roads, and the like. Thereby forming a packaging layer.
The above-mentioned cross-pavement packaging is a part directly transmitting traffic load, and it is required not only to have suitable strength and crack resistance, but also to have waterproof performance due to exposure to moisture such as rainwater. In particular, It is required to have a low chloride ion permeability in order to prevent the rebar from being corroded.
Conventionally, a conventional concrete pavement method or an ascon pavement method has been widely known as such a pavement pavement method.
Here, the ascon used in the above-mentioned asphalt pavement is also referred to as a hot asphalt mixture (KS F 2349 standard), HMA (hot mix asphalt) or the like, which is a name for reducing asphalt concrete.
General Ascon is manufactured by mixing asphalt binder, aggregate, sand and / or filler at high temperature and is widely used as a material for road pavement.
Especially, asphalt pavement construction method using asphalt concrete has been mainly applied as a general pavement method.
Such ascon pavement may cause severe running problems due to plastic deformation occasionally along the running track 5 years before the installation, or even if there is no plastic deformation problem, the packaging material gradually becomes aged with the passage of time, There is a problem that maintenance is required periodically.
In order to minimize the cost due to the maintenance, it is required to minimize the plastic deformation of the road packed with the ascon, and to develop an ascon composition that does not easily peel off without aging for a long time.
Especially, since 2000, modified concrete improved the performance of concrete with quick hardening cement and polymer. It has been widely used as a repair material for concrete road structures due to short curing time, high permeability, freezing and thaw resistance.
However, since the modified concrete contains a large amount of latex, the cost is high and the heat reflectance is high. Therefore, the preventive effect against the early freezing of the winter season is insufficient compared with the conventional asphalt concrete and the heat absorption rate is low. ), There is a problem that cracks, surface peeling, and dropout (potholes) occur due to temperature stress.
The waterproof asphalt concrete layer composition according to the present invention is primarily formed to form a waterproof asphalt concrete layer and a general asphalt layer is packed thereon so that the asphalt concrete is waterproofed. And a method for constructing the asphalt concrete layer.
The present invention
Based on 100 parts by weight of asphalt,
0.1 to 10 parts by weight of seaweeds;
10 to 1,000 parts by weight of aggregate;
But are not limited to, polyester, thermoplastic polyurethane elastomer (TPU), methyl methacrylate, styrene isoprene styrene, styrene butadiene rubber, styrene butadiene styrene, ethylene vinylacetate copolymer, polyamide, melamine resin, alkyd resin, unsaturated polyester resin, poly 10 to 70 parts by weight of a polymer powder resin which is a urethane resin, a phenol resin, an epoxy resin, a silicone resin or a mixture of at least two selected from the foregoing;
2 to 30 parts by weight of a curing agent;
30 to 80 parts by weight of a glycidyl methacrylate resin;
10 to 40 parts by weight of nano-ceramic particles;
5 to 40 parts by weight of silicate;
5 to 30 parts by weight of an adhesion promoter; And
In a waterproof asphalt concrete layer composition comprising 2 to 20 parts by weight of fibers,
Further comprising sodium benzoate in an amount of 0.1 to 1 part by weight based on 100 parts by weight of the asphalt,
Further comprising 0.1 to 2 parts by weight of dimer acid based on 100 parts by weight of the asphalt,
Further comprising 1 to 10 parts by weight of tetraethylenepentamine based on 100 parts by weight of asphalt,
Further comprising 10 to 30 parts by weight of at least one anti-slip chip selected from ethylene propylene diene monomer (EPDM), polyurethane (PU), and waste tire, based on 100 parts by weight of asphalt,
The waterproof asphalt concrete layer composition further comprising at least one selected from carbon black, cadmium yellow, cadmium red, cobald blue, chromium oxide or calcium carbonate in an amount of 5 to 10 parts by weight based on 100 parts by weight of the asphalt.
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In addition,
Removing the foreign object on the surface of the package to be cleaned and then cleaning the object;
Wherein the surface of the foreign matter removal-cleaning step is coated with 0.1 to 10 parts by weight of seaweed, 10 to 1,000 parts by weight of aggregate, 10 to 100 parts by weight of polyester, thermoplastic polyurethane elastomer (TPU), methyl methacrylate, styrene At least two resins selected from isoprene styrene, styrene butadiene rubber, styrene butadiene styrene, ethylene vinylacetic acid copolymer, polyamide, melamine resin, alkyd resin, unsaturated polyester resin, polyurethane resin, phenol resin, epoxy resin, 10 to 70 parts by weight of a polymer powder resin, 2 to 30 parts by weight of a curing agent, 30 to 80 parts by weight of a glycidyl methacrylate resin, 10 to 40 parts by weight of a nano-ceramic particle, 5 to 40 parts by weight of a silicate, 5 to 30 parts by weight of a reinforcing agent, and 2 to 20 parts by weight of a fiber asphalt concrete Layer composition further comprises 0.1 to 1 part by weight of sodium benzoate based on 100 parts by weight of asphalt and 0.1 to 2 parts by weight of dimer acid based on 100 parts by weight of asphalt and 100 parts by weight of tetraethylenepentamine as an asphalt (EPDM), polyurethane (PU), and waste tire, based on 100 parts by weight of the asphalt, and further contains 1 to 10 parts by weight of the ethylene-propylene-diene monomer And a waterproof asphalt concrete layer composition comprising 5 to 10 parts by weight of at least one selected from carbon black, cadmium yellow, cadmium red, cobald blue, chromium oxide or calcium carbonate as 100 parts by weight of asphalt, A waterproof asphalt concrete layer forming step of forming a waterproof layer by packing the waterproof layer in a thickness; And
And a general asphalt layer forming step of forming a general asphalt concrete composition on the waterproof asphalt concrete layer to a thickness of 3 to 20 cm.
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The waterproof asphalt concrete layer composition according to the present invention primarily comprises a waterproof asphalt concrete layer formed of an asphalt concrete layer composition, and the asphalt concrete formed by packing a general asphalt layer on the waterproofing concrete layer has a waterproof performance, It is possible to minimize occurrence of cracks, surface peeling, dropout (port hole), and the like.
Hereinafter, the present invention will be described in detail.
In one aspect, the present invention relates to a process for the preparation of a composition comprising 0.1 to 10 parts by weight of seaweed, based on 100 parts by weight of asphalt; 10 to 1,000 parts by weight of aggregate; 10 to 70 parts by weight of a polymer powder resin; 2 to 30 parts by weight of a curing agent; 30 to 80 parts by weight of a glycidyl methacrylate resin; 10 to 40 parts by weight of nano-ceramic particles; 5 to 40 parts by weight of silicate; 5 to 30 parts by weight of an adhesion promoter; And 2 to 20 parts by weight of fibers.
In another aspect, the present invention provides a method of removing foreign objects, comprising: The surface on which the foreign matter removal-cleaning step has been completed is coated with 0.1 to 10 parts by weight of seaweed, 10 to 1,000 parts by weight of aggregate, 10 to 70 parts by weight of a polymer powder resin, 2 to 30 parts by weight of a curing agent, A waterproof asphalt concrete layer composition comprising 30 to 80 parts by weight of a diallyl methacrylate resin, 10 to 40 parts by weight of nano-ceramic particles, 5 to 40 parts by weight of silicate, 5 to 30 parts by weight of an adhesion promoter and 2 to 20 parts by weight of fibers A waterproof asphalt concrete layer forming step of forming a waterproof layer by packing the waterproof layer in a thickness of 1 to 3 cm; And a general asphalt layer forming step of forming a general asphalt concrete composition on the waterproof asphalt concrete layer to a thickness of 3 to 20 cm.
The asphalt concrete layer composition according to the present invention, specifically the waterproof asphalt concrete layer composition using seaweeds, refers to a constituent constituting a waterproof asphalt concrete layer re-packaged on the top of a base layer which is primarily packaged with asphalt or asphalt concrete.
The asphalt according to the present invention is not particularly limited as long as it is commonly used in the art, but petroleum-based asphalt or asphalt mixture can be preferably used.
Here, it is recommended to use a natural asphalt mixture as the asphalt mixture.
The asphalt mixture, specifically, the natural asphalt mixture is not particularly limited as long as it is a natural asphalt mixture commonly used in the art, but is preferably selected from the group consisting of straight asphalt, Trinidad lake asphalt, Trinidad epure asphalt, It is preferable to use at least one mixture selected from the above. More preferably, it is preferable to use a mixture of straight asphalt having an intrusion of 20 to 40 and natural asphalt such as trinidad lake asphalt and / or trinidade with puree asphalt, It is recommended to use 70 to 80% by weight of straight asphalt with an intrusion of 20 to 40 and 20 to 30% by weight of natural asphalt consisting of trinidad rake asphalt or puree asphalt.
Herein, the straight asphalt is a conventional asphalt obtained by refining the residue obtained by distillation or distillation of raw materials with petroleum asphalt. Especially, the asphalt is preferably 20 to 40 in terms of easiness in construction on the road.
The straight asphalt is preferably contained in the asphalt mixture in an amount of 70 to 80% by weight. If the content is less than 70% by weight, it may take a long time to harden after the asphalt pavement, and the softening point may be lowered. If the content exceeds 80% by weight, the fluidity may be lowered.
Further, the natural asphalt acts to improve the fluidity of the asphalt concrete layer composition of the present invention and to increase the deformation resistance, the sliding resistance and the frictional resistance.
Trinidad lake asphalt and / or trinidad epure asphalt may be used as natural asphalt.
The natural asphalt is preferably contained in the asphalt mixture in an amount of 20 to 30% by weight. When the content is less than 20% by weight, the effect of improving the fluidity, the deformation resistance, the sliding resistance and the frictional resistance is insignificant, The waterproof asphalt of the present invention may be softened and the softening point may be lowered.
The content of the remaining components other than asphalt constituting the waterproof asphalt concrete layer composition according to the present invention is based on 100 parts by weight of the asphalt.
The seaweed according to the present invention is contained in a waterproof asphalt concrete layer composition, specifically a concrete layer composition having improved waterproof function, so that the asphalt concrete layer composition is shrunk at the time of drying and curing and is easily broken due to cracking, ≪ / RTI >
In addition, the above seaweeds promote the bonding of the components constituting the asphalt concrete layer composition and prevent cracking, and any seaweed having such a purpose may be used.
Since about 8,000 species of algae live in the world and about 500 species live in the Korean waters, all of them can be used. However, it is preferable to use at least one of algae, brown algae, red algae, or at least one of them.
Examples of the preferable algae include green algae such as barnyardgrass, hallucinophyta, sea cucumber, parasites, hearing, beard hearing, jadebug, and salt weekly, but the present invention is not limited thereto, and the brown algae include seaweed, kelp, But the present invention is not limited thereto. Examples of the red algae include red sea bream, red sea bream, red sea bream, red sea bream, red sea bream, It is also possible to use such as, but not limited to, umbrella, umbrella, kotony, dog gambling, round bud, dog umbrella, umbrella, umbrella, crocodile, umbrella, true gambling, But is not limited thereto.
As a specific aspect, seaweeds according to the present invention may be used in the form of dried seaweeds, seaweeds in the form of powders or concentrates in concentrated form, but it is advisable to use a solid form of dried powder after being dried.
The amount of the algae to be used is preferably 0.1 to 10 parts by weight based on 100 parts by weight of the asphalt.
The aggregate according to the present invention is a construction minerals material that can be formed into a lump by being bound together with a binder such as concrete, asphalt, polymer powder resin, etc., and is chemically stable.
The aggregate refers to sand, gravel, basalt, osseite, basalt and other similar materials that are mixed into water to produce a bridge, i.e. an asphalt concrete layer composition for packaging.
Specifically, the aggregate may further include basic rock carcasses having a particle size of about 25 mm and an absorption rate of about 0.7% and / or bauxite having a particle size of about 5 mm and an absorption rate of 5.40%.
The aggregate having a size of 0.074 mm or more but less than 4.76 mm is called a fine aggregate, and a material having a diameter of 4.76 mm or more is called a coarse aggregate. The amount of the aggregate to be used is preferably 10 to 1,000 parts by weight based on 100 parts by weight of the asphalt. The amount of the fine aggregate and the coarse aggregate contained in the aggregate is not particularly limited and can be appropriately adjusted as needed.
The polymer powder resin according to the present invention provides waterproofness and adhesion of a waterproof asphalt concrete layer composition and improves strength and suppresses the occurrence of cracks. Any polymer powder having such a purpose can be used However, it is preferable to use a polyolefin such as a polyester in a powder form, a thermoplastic polyurethane elastomer (TPU), a methyl methacrylate (MMA), a styrene isoprene styrene (SIS), a styrene butadiene rubber butadiene rubber (SBR), styrene butadiene styrene (SBS), ethylene vinylacetate copolymer (EVA), polyamide, melamine resin, alkyd resin, unsaturated polyester resin, polyurethane resin, phenol resin, An epoxy resin, a silicone resin, or a mixture of at least one selected from the foregoing It is good to use.
In this case, the content of the polymer powder resin is not particularly limited, but it is preferable that the content of the polymer powder resin is 10 to 70 parts by weight based on 100 parts by weight of the asphalt contained in the waterproof asphalt concrete layer composition.
The curing agent according to the present invention is used for curing the waterproof asphalt concrete layer composition. Any conventional curing agent having such a purpose may be used, but it is preferable to use a curing agent such as 4.4-diphenylmethane diisocyanate (MDI) Min, amines, polyamides, or mixtures thereof, and the amount of use is preferably 2 to 30 parts by weight based on 100 parts by weight of the asphalt.
Specifically, the curing agent may further comprise a water-reducing agent.
In this case, it is recommended that the water-reducing agent is used in an amount not exceeding 30% by weight based on the total weight of the curing agent.
As a preferable low-shrinkage agent, it is recommended to use a water-reducing agent composed of an unsaturated polyester-based water-reducing agent, for example, an unsaturated polyester resin.
The glycidyl methacrylate (GMA) -based resin according to the present invention is intended to improve impact strength, elongation, tensile strength and / or elasticity and the like. The glycidyl methacrylate (GMA) (EBA), an ethylene-butyl acrylate-glycidyl methacrylate copolymer (EBA-GMA), or an ethylene-butadiene-methacrylate copolymer It is preferable to use at least one selected mixture.
The amount of the glycidyl methacrylate resin to be used is not particularly limited, but is preferably 30 to 80 parts by weight based on 100 parts by weight of the asphalt.
The nanoceramic particles according to the present invention float on the surface during the curing of the asphalt concrete layer composition to form a dense and hard surface, thereby preventing the permeation of water vapor and other gases and liquids, and also preventing moisture, durability, , Impact resistance and chemical resistance are improved.
The amount of the nano-ceramic particles used is preferably 10 to 40 parts by weight based on 100 parts by weight of the asphalt.
Preferred nanoceramic particles include silicon carbide, alumina, silica, zirconia-silica, ZnO, TiO 2 and / or CaCO 3 .
Preferably, the average particle size of the ceramic particles is in the range of 300 to 500 nm, the average particle size of the alumina is 500 to 1000 nm, the average particle size of the silica is 700 to 1500 nm, the zirconia- that the average particle size of silica is from 500 to 1000nm, the average particle size of the ZnO is from 500 to 1000nm, the average particle diameter of the average particle size of the TiO2 is from 100 to 300nm, and CaCO 3 is 500 to 1000nm is preferable.
Among them, silicon carbide does not exist as natural minerals, so it is synthesized artificially, has excellent chemical stability and corrosion resistance at high temperature, and has high hardness.
The silicate according to the present invention is for improving the crack resistance, water resistance, stain resistance, abrasion resistance and / or adhesion resistance of the asphalt concrete layer composition, and it is possible to use any of the silicates of the related art Preferably, calcium silicate, sodium silicate and lithium silicate, or a mixture of at least one selected from these, is preferably used, and the amount of the calcium silicate is preferably 5 to 40 parts by weight based on 100 parts by weight of aspart.
The adhesion promoter according to the present invention makes it possible to more easily bond the asphalt concrete layer composition to the contact surface, for example the base layer, on which the composition is applied.
A preferred adhesion promoting agent is hydroxyethyl acryloyl phosphate, hydroxyethyl methacrylate phosphate, or a mixture thereof, and the amount thereof is preferably 5 to 30 parts by weight based on 100 parts by weight of the asphalt.
The fiber according to the present invention is intended to provide a tensile force and / or lightweight due to stress applied in longitudinal and transverse directions of a cross-section formed of a waterproof asphalt concrete layer composition. Any fiber having such a purpose may be used Preferably, however, a mixture of at least one selected from asbestos, rock wool, polypropylene, polyester, glass fiber, natural cellulose fiber and mineral fiber is preferably used, and the amount thereof is 2 to 20 parts by weight based on 100 parts by weight of asphalt It is good.
As a specific aspect, the asphalt concrete layer composition according to the present invention, specifically the waterproof asphalt concrete layer composition, absorbs water and expands, thereby improving the durability of the asphalt pore by preventing water penetration, thereby obtaining a crosslinked polyacrylate salt And 20 to 50 parts by weight based on 100 parts by weight of the asphalt.
Herein, the crosslinked polyacrylate salt refers to a crosslinked polymer of an acrylate salt. The crosslinked polyacrylate salt is a kind of a superabsorbent polymer. Examples of the crosslinking agent include acrylic acid, sodium acrylate, consists of a copolymer, to (C 3 H4O 2 .C 3 H 3 O 2 Na) has a molecular formula of x.
The crosslinked polyacrylate salt having the above structure is a polymer exhibiting fluid absorption phenomenon due to the introduction of a hydrophilic group in a three-dimensional network structure or a single-chain structure through cross-linking between polymer chains, It is used as a highly functional material which is essential for slimming and high performance of sanitary articles since the absorbency is much higher than that of the material. When the crosslinked polyacrylate salt, which is a superabsorbent polymer, is used in the asphalt concrete layer composition, Filling the internal voids of the concrete layer composition to prevent the penetration of moisture, and improving the durability.
In another specific embodiment, the asphalt concrete layer composition according to the present invention may further comprise 5 to 30 parts by weight of anti-peeling agent based on 100 parts by weight of the asphalt concrete layer composition to prevent peeling from the surface to be packed easily.
As the preferable peeling inhibitor, it is preferable to use a polyphosphoric acid type, an amine type, or a phosphoric acid ester type peeling inhibitor.
Specifically, the anti-peeling agent is a liquid phase anti-peeling agent having a specific gravity of 1.0 or more and a viscosity at 60 DEG C of 110 cPs; The acid value is 10 mgKOH / g or less, and the total amine value is 140 to 400 mg HCl / g.
As another specific embodiment, the asphalt concrete layer composition according to the present invention may further comprise 2 to 5 parts by weight of wax for preventing surface tackiness of the dry layer and for preventing surface contamination due to vehicle passage, based on 100 parts by weight of asphalt .
As the preferable wax, polyethylene wax or polypropylene wax or a mixture thereof is preferably used.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention may further comprise waste asphalt.
It is recommended that the waste asphalt is produced when the asphalt used for packaging is aged or damaged and replaced with 50 to 150 parts by weight based on 100 parts by weight of the asphalt.
Here, when the waste asphalt is added to the asphalt concrete layer composition to construct a new asphalt concrete layer composition, an asphalt performance improver may be further added to improve the function of the waste asphalt having reduced function.
The asphalt performance improving agent may be any performance improving agent conventionally used in the art, specifically, an asphalt performance improving agent, and it is preferably used in an amount of 5 to 30 parts by weight based on 100 parts by weight of waste asphalt.
Preferred performance enhancers include from 90 to 99.5% by weight of vinyl acetate monomer-paraffin oil and from 0.5 to 10% by weight of benzoyl peroxide based on the total weight of the performance improver.
The vinyl acetate monomer-paraffin oil may be a mixture of 5 to 25% by weight of a vinyl acetate monomer and 75 to 95% by weight of a paraffin oil.
In another specific embodiment, the asphalt concrete layer composition according to the present invention may further comprise a polymer modifier.
The polymer modifier may be any polymer modifier commonly used in the art, and it is recommended that the modifier is used in an amount of 2 to 40 parts by weight based on 100 parts by weight of the asphalt.
As an embodiment of the polymer modifier, it is preferable to use a modifier comprising a polymer resin selected from the group consisting of crude rubber, nitrile rubber, styrene butadiene rubber, butadiene rubber, and mixtures thereof.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention may further comprise 5 to 20 parts by weight of a bio resin based on 100 parts by weight of the asphalt in order to suppress cracking and improve adhesion and durability.
Preferable bio-resins include those made of a rubidic alkyd resin, a rubidic urethane resin, a fatty acid ester of a rubidic urethane resin, a rubidic epoxy resin, a fatty acid ester of a rubidic epoxy resin, a biopolyethylene resin, L-polylactic acid or a mixture thereof It is recommended to use a rubidic alkyd resin.
Here, the rheological property refers to a resin containing a oil component such as a fatty acid in a molecule. When such a rheological resin is used, it is easy to control the dispersibility, the mechanical properties, the curability, and the film formability.
Specifically, the bio-resin is an oil extracted from a vegetable oil, for example, a plant or a plant seed, and is preferably selected from the group consisting of rice oil, palm oil, coconut oil, castor oil, grape seed oil, jojoba oil, safflower oil, Oil, olive seed oil, and mixed oil thereof.
At this time, the mixing ratio of the bio resin and the vegetable oil can be changed according to the user's choice, but it is recommended that the weight ratio of the bio resin and the vegetable oil is 1: 9 to 9: 1.
In another specific embodiment, the asphalt concrete layer composition according to the present invention further comprises a plasticizer to reduce the viscosity at a high temperature of about 80 캜 or higher and to smoothly mix the components constituting the waterproof asphalt concrete layer composition .
The preferred plasticizer is preferably selected from the group consisting of terephthalic acid metal salt, stearic acid metal salt, petroleum resin, low molecular weight polyethylene and low molecular weight polyamide, and the amount thereof is preferably 1 to 20 parts by weight based on 100 parts by weight of asphalt.
If the amount of the plasticizer used is less than 1 part by weight, it is not effective. If the amount of the plasticizer is more than 20 parts by weight, the viscosity is lowered and the plastic deformation resistance becomes weak.
In another specific embodiment, the asphalt concrete layer composition according to the present invention may further include a non-slip chip.
Here, the anti-slip chip is provided to prevent slippage of a vehicle, a pedestrian, and / or a bicycle, and to provide an elastic force to improve a walking feeling and a driving feeling and to secure safety. Anything that is conventionally used for this purpose And it is recommended that the amount thereof is 10 to 30 parts by weight based on 100 parts by weight of the asphalt, but the present invention is not limited thereto.
Preferably, the anti-slip chip comprises ethylene propylene diene monomer (EPDM), polyurethane (PU), waste tire, or a mixture of at least one selected from these.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention is prepared by variously changing colors to provide an asphalt concrete layer composition with aesthetic properties. In order to provide an asphalt concrete layer composition, 100 parts by weight of asphalt is mixed with carbon black, cadmium yellow, cadmium red, And 5 to 10 parts by weight of at least one mixture selected from the group consisting of chromium, chromium, blue, chromium oxide, and calcium carbonate.
In another specific embodiment, the waterproof asphalt composition according to the present invention may further comprise 0.1 to 1 part by weight of sodium benzoate based on 100 parts by weight of the asphalt to improve the viscoelasticity of the asphalt, wherein sodium benzoate is 0.1 If the amount is less than 1 part by weight, the effect is insignificant, and if it is more than 1 part by weight, the amount is excessive and the physical properties may be deteriorated.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention may further contain 0.1 to 2 parts by weight of dimer acid based on 100 parts by weight of asphalt to prevent peeling of the asphalt concrete layer composition to be packed .
The dimeric acid is not particularly limited in its origin and form, but is preferably an amount of vegetable oil fatty acid. The vegetable fatty acid may be at least one selected from the group consisting of oleic acid, linoleic acid, stearic acid and palmitic acid have.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention may further contain 1 to 10 parts by weight of tetraethylenepentamine (TEPA) based on 100 parts by weight of asphalt for viscosity control and strength enhancement, If the amount of tetraethylene pentamine is less than 1 part by weight, the effect is insignificant. If the amount is more than 10 parts by weight, the amount of tetraethylene pentamine may be excessive, which may adversely affect the physical properties of the waterproof asphalt concrete layer composition.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention may further comprise 2 to 10 parts by weight of the antioxidant based on 100 parts by weight of the asphalt.
At this time, the antioxidant is preferably an amine-based, bisphenol-based, monophenol-based or sulfur-based antioxidant.
In another specific embodiment, the waterproof asphalt concrete layer composition according to the present invention improves the pore filling performance, stability, abrasion resistance and fluid resistance of the asphalt concrete layer composition and improves the bonding force between the asphalt concrete layer compositions, The filler capable of increasing the stability (Marshall stability) may further include 10 to 50 parts by weight based on 100 parts by weight of the asphalt.
A preferred filler is one which comprises at least one selected from the group consisting of lime powder, Portland cement, slaked lime, fly ash, recovered dust, electric furnace steel dust, casting dust and ash.
The asphalt concrete layer composition according to the present invention having the above-described structure, specifically, the waterproof asphalt concrete layer composition using seaweeds is best packaged by itself. However, considering the increase in cost, the asphalt concrete layer The asphalt concrete formed by forming a waterproof asphalt concrete layer with a composition and forming a general asphalt layer thereon is applied to have a waterproof performance.
The construction of the waterproof asphalt concrete layer composition according to the present invention having the above-described structure and the waterproof asphalt concrete layer composition using the seaweed will be described as follows.
Herein, the method of applying the waterproof asphalt concrete layer composition is not particularly limited, but preferably includes a foreign matter removal-cleaning step of removing foreign matter on the surface to be packaged and cleaning the foreign matter.
The surface on which the foreign matter removal-cleaning step has been completed is coated with 0.1 to 10 parts by weight of seaweed, 10 to 1,000 parts by weight of aggregate, 10 to 70 parts by weight of a polymer powder resin, 2 to 30 parts by weight of a curing agent, A waterproof asphalt concrete layer composition comprising 30 to 80 parts by weight of a diallyl methacrylate resin, 10 to 40 parts by weight of nano-ceramic particles, 5 to 40 parts by weight of silicate, 5 to 30 parts by weight of an adhesion promoter and 2 to 20 parts by weight of fibers Forming a waterproof asphalt concrete layer by packing the waterproof asphalt concrete layer in a thickness of 1 to 3 cm; And
And a general asphalt concrete layer forming step of forming a general asphalt concrete composition on the waterproof asphalt concrete layer to a thickness of 3 to 20 cm.
Here, the asphalt concrete composition forming the general asphalt layer refers to an asphalt concrete composition commonly used in the art.
Hereinafter, the present invention will be described in detail by way of examples. However, the following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
[Example 1]
100 g of petroleum-based asphalt asphalt AP-3, 6 g of seaweed, 300 g of coarse aggregate, 40 g of styrene butadiene rubber powder, 15 g of 4.4-diphenylmethane diisocyanate, 50 g of ethylene-glycidyl methacrylate copolymer (EGMA) , 20 g of sodium silicate, 15 g of hydroxyethyl acryloylphosphate and 10 g of natural cellulose fiber were mixed to prepare a waterproof asphalt concrete layer composition.
[Example 2]
The same procedure as in Example 1 was carried out except that 2 g of Cheongtae, 2 g of barnyardgrass and 2 g of mugwort were used instead of 6 g of seaweed.
[Example 3]
The same procedure as in Example 1 was carried out except that 3 g of a water-reducing agent composed of an unsaturated polyester resin was further added.
[Example 4]
The procedure of Example 1 was repeated, except that 30 g of crosslinked polyacrylate salt was further added.
[Example 5]
15 g of a polyphosphoric acid-based anti-peeling agent having a specific gravity of 1.0 or more and a viscosity of 60 c of 110 cPs was further added in the same manner as in Example 1.
[Example 6]
The procedure of Example 1 was repeated, except that 3 g of polyethylene wax was further added.
[Example 7]
The same procedure as in Example 1 was carried out except that 100 g of waste asphalt was further added.
[Example 8]
The same procedure as in Example 7 was carried out except that 20 g of the performance improving agent consisting of 95% by weight of vinyl acetate monomer-paraffin oil and 5% by weight of benzoyl peroxide was further added.
[Example 9]
The same procedure as in Example 1 was carried out except that 20 g of nitrile rubber was further added.
[Example 10]
Was carried out in the same manner as in Example 1 except that 10 g of a rubidic alkyd resin was further added.
[Example 11]
The procedure of Example 1 was repeated, except that 10 g of terephthalic acid metal salt was further added.
[Example 12]
The procedure of Example 1 was repeated, except that 0.5 g of sodium benzoate was further added.
[Example 13]
The procedure of Example 1 was repeated, except that 1 g of dimeric acid was further added.
[Example 14]
The procedure of Example 1 was repeated, except that 5 g of tetraethylene pentamine was further added.
[Example 15]
The same procedure as in Example 1 was carried out except that 30 g of Portland cement was further added.
[Experiment]
The composition prepared according to the examples was mixed with water to prepare an asphalt concrete layer, and the water resistance, adhesion property, peelability, compressive strength and shrinkage ratio at low temperature and standard conditions were measured and shown in Table 1.
Compressive strength was measured by using asphalt concrete compressive strength tester. Dry shrinkage (micron) was measured by comparator method on 26 concrete specimens, which were stored at 20 ℃ and 60% RH, The shrinkage was measured to determine the shrinkage rate. The smaller this value, the smaller the drying shrinkage.
As shown in Table 1, the waterproofing, adhesion and peeling properties of Examples 1 to 15 using the waterproof asphalt concrete layer composition were good, and the compressive strength was 75 mega pascals or more at 28 days, It was confirmed that all the concrete compositions of Examples were high in strength.
As described above, those skilled in the art will understand that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the embodiments described above are all illustrative and not restrictive. The scope of the present invention should be construed as being included in the scope of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.
Claims (5)
0.1 to 10 parts by weight of seaweeds;
10 to 1,000 parts by weight of aggregate;
But are not limited to, polyester, thermoplastic polyurethane elastomer (TPU), methyl methacrylate, styrene isoprene styrene, styrene butadiene rubber, styrene butadiene styrene, ethylene vinylacetate copolymer, polyamide, melamine resin, alkyd resin, unsaturated polyester resin, poly 10 to 70 parts by weight of a polymer powder resin which is a urethane resin, a phenol resin, an epoxy resin, a silicone resin or a mixture of at least two selected from the foregoing;
2 to 30 parts by weight of a curing agent;
30 to 80 parts by weight of a glycidyl methacrylate resin;
10 to 40 parts by weight of nano-ceramic particles;
5 to 40 parts by weight of silicate;
5 to 30 parts by weight of an adhesion promoter; And
In a waterproof asphalt concrete layer composition comprising 2 to 20 parts by weight of fibers,
Further comprising sodium benzoate in an amount of 0.1 to 1 part by weight based on 100 parts by weight of the asphalt,
Further comprising 0.1 to 2 parts by weight of dimer acid based on 100 parts by weight of the asphalt,
Further comprising 1 to 10 parts by weight of tetraethylenepentamine based on 100 parts by weight of asphalt,
Further comprising 10 to 30 parts by weight of at least one anti-slip chip selected from ethylene propylene diene monomer (EPDM), polyurethane (PU), and waste tire, based on 100 parts by weight of asphalt,
Wherein the waterproof asphalt concrete layer composition further comprises 5 to 10 parts by weight based on 100 parts by weight of at least one selected from carbon black, cadmium yellow, cadmium red, cobald blue, chromium oxide or calcium carbonate.
The seaweeds may be selected from the group consisting of Rhododendron, Rhododendron, Rhododendron, Rhododendron, Paralysis, Hearing, Bead hearing, Jade, It is a kind of gambling game which is a kind of gambling game which is a kind of gambling game which is composed of a cousin of a horse mackerel, a horse mackerel, a horse mackerel, a horse mackerel, a horse mackerel, Wherein the waterproof asphalt concrete layer composition comprises at least one selected from the group consisting of silk, silk, clay, rock sand, gypsum, ginori, or a mixture of at least two selected from these.
Wherein the surface of the foreign matter removal-cleaning step is coated with 0.1 to 10 parts by weight of seaweed, 10 to 1,000 parts by weight of aggregate, 10 to 100 parts by weight of polyester, thermoplastic polyurethane elastomer (TPU), methyl methacrylate, styrene At least two resins selected from isoprene styrene, styrene butadiene rubber, styrene butadiene styrene, ethylene vinylacetic acid copolymer, polyamide, melamine resin, alkyd resin, unsaturated polyester resin, polyurethane resin, phenol resin, epoxy resin, 10 to 70 parts by weight of a polymer powder resin, 2 to 30 parts by weight of a curing agent, 30 to 80 parts by weight of a glycidyl methacrylate resin, 10 to 40 parts by weight of a nano-ceramic particle, 5 to 40 parts by weight of a silicate, 5 to 30 parts by weight of a reinforcing agent, and 2 to 20 parts by weight of a fiber asphalt concrete Layer composition further comprises 0.1 to 1 part by weight of sodium benzoate based on 100 parts by weight of asphalt and 0.1 to 2 parts by weight of dimer acid based on 100 parts by weight of asphalt and 100 parts by weight of tetraethylenepentamine as an asphalt (EPDM), polyurethane (PU), and waste tire, based on 100 parts by weight of the asphalt, and further contains 1 to 10 parts by weight of the ethylene-propylene-diene monomer And a waterproof asphalt concrete layer composition comprising 5 to 10 parts by weight of at least one selected from carbon black, cadmium yellow, cadmium red, cobald blue, chromium oxide or calcium carbonate as 100 parts by weight of asphalt, A waterproof asphalt concrete layer forming step of forming a waterproof layer by packing the waterproof layer in a thickness; And
And a general asphalt layer forming step of forming a general asphalt concrete composition on the waterproof asphalt concrete layer to a thickness of 3 to 20 cm.
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