KR101752214B1 - Hybrid water proofing structure using infiltrative liquid waterproofing agent, asphalt and reinforce grid laminate and the method of its construction - Google Patents

Hybrid water proofing structure using infiltrative liquid waterproofing agent, asphalt and reinforce grid laminate and the method of its construction Download PDF

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KR101752214B1
KR101752214B1 KR1020160026099A KR20160026099A KR101752214B1 KR 101752214 B1 KR101752214 B1 KR 101752214B1 KR 1020160026099 A KR1020160026099 A KR 1020160026099A KR 20160026099 A KR20160026099 A KR 20160026099A KR 101752214 B1 KR101752214 B1 KR 101752214B1
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waterproofing
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최정희
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B11/046—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
    • E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Combustion & Propulsion (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to an infiltrating liquid waterproofing agent, an asphalt and a reinforcing grid laminated composite waterproofing structure and a construction method thereof, wherein an infiltrating liquid waterproofing agent is applied, an asphalt and a reinforcing grid are sequentially laminated on the infiltrating liquid waterproofing agent, The present invention relates to a laminated composite waterproofing structure, a composite waterproofing structure of an asphaltic waterproofing agent, an asphalt and a reinforced grid, and a construction method thereof for improving the waterproof performance and durability of a waterproof structure, shortening a construction period and providing an environment- will be.

Description

TECHNICAL FIELD [0001] The present invention relates to a waterproof structure for infiltrating liquid asphalt, an asphalt, and a reinforcement grid, and a method for constructing the same,

The present invention relates to an infiltrating liquid waterproofing agent, an asphalt and reinforcing grid laminated composite waterproofing structure and a construction method thereof, and more particularly, to an infiltrating liquid waterproofing agent, an asphalt and a reinforcing grid waterproofing agent, Layered composite waterproofing structure, which is a multi-layered laminated composite waterproofing structure, has improved waterproof performance and durability of a waterproof structure, shortens a construction period, and provides an environment- It relates to construction method.

Generally, when rainwater or the like penetrates into concrete structures such as rooftops, roofs, basements, and various kinds of fluid storage tanks, a part thereof penetrates into the inside and adversely affects the durability of the structure. , Exterior walls, floors, storage tanks, etc.

Examples of the waterproof construction method include a method of forming a waterproof coating layer by applying a coating material such as asphalt, a coal tar pitch, a urethane, and an epoxy, a method of covering a construction surface with a waterproof sheet such as paper impregnated with asphalt or coal tar pitch, A mortar, a concrete mixer or the like is laid on the concrete.

Korean Patent Registration No. 10-0977160 discloses a conventional waterproofing method as described above, which comprises a step of applying a primer to a base substrate, a step of applying a butyl synthetic rubber band to the corner of the base substrate, and a step of applying a non- Applying a stick waterproofing material and a protective layer on top of the waterproofing material, wherein the solventless polyurethane mastic waterproofing material comprises a first liquid and a second liquid, 10 to 40 wt% of a urethane curing agent, 10 to 40 wt% of a softening agent, 20 to 70 wt% of an inorganic filler, 2 to 20 wt% of a tackifier, 0.1 to 5 wt% of a reaction catalyst, To 5% by weight, said second liquid being comprised of a urethane prepolymer or monomer having at least two isocyanate reactors in its molecular chain, said butyl synthetic rubber band being a butyl synthetic rubber sheet Wherein the isosceles triangle has an equilateral length of 2 to 7 cm and a vertex angle of 80 to 150 °, and the one of the butyl synthetic rubber bands Wherein the butyl rubber mastic composition comprises 10 to 30% by weight of butyl rubber, 3 to 20% by weight of a softener, 20 to 70% by weight of an inorganic filler, 8 to 25% by weight of a tackifier, 4 to 15% by weight of a water-repellent agent, 4.8 to 25% by weight of a viscosity adjusting agent, and a waterproofing method using a water-soluble polyurethane mastic waterproofing agent.

Korean Patent Registration No. 10-1573298 discloses a method of manufacturing a base member, comprising the steps of: applying a primer to a surface of a base member; Applying polyurea as an undercoating agent to the top of the primer; And coating a polyurea coating on the top of the primer for waterproofing, wherein the primer comprises a solution A comprising polyisocyanate and a solution B containing polyol, polyamine and polyaspartic ester, wherein A Wherein the liquid B has a NCO content of 8 to 20% by weight and the liquid B has a polyol content of 5 to 20% by weight, a polyamine content of 20 to 40% by weight, a polyaspartic ester content of 20 to 40% Wherein the volume ratio of the liquid A to the liquid B is 1: 1, and the liquid B contains a silicone-based defoaming agent, 1.3-BG, 1.4-BD and propylene carbonate as an additive. A waterproofing method has been developed.

Korean Patent No. 10-1469840 discloses a method of forming a primer layer by applying a primer including an MMA resin to a bottom surface of a bridge (S10); Forming a waterproof layer by applying a waterproof material including MMA resin on the primer layer (S20); (S30), wherein the waterproofing material comprises MMA resin and aggregate, wherein the MMA resin is selected from the group consisting of MMA, PMMA, urethane (UR), an unsaturated polyester (UP), and an epoxy acrylate, wherein the aggregate includes silica, calcium carbonate, and natural fibers. The waterproofing material is a mixture of 100 parts by weight of MMA resin 100 to 400 parts by weight of an aggregate, 100 to 300 parts by weight of a filler powder having a particle diameter smaller than that of the aggregate, and 2 to 5 parts by weight of a curing agent. The water-soluble polymer is introduced into methylcellulose (MC) (MC) in which the water-soluble polymer is dissolved after the water-soluble polymer is mixed with the aqueous solution of the hydroxypropylmethylcellulose-based point 1 to 3 parts by weight of a component and 0.5 to 1 part by weight of sodium lauryl sulfate are added so as to ensure filling of microcracks by lowering the surface tension.

As a method using a waterproof sheet, Korean Patent Laid-Open No. 10-2010-0046369 discloses a method of separately forming an asphalt waterproof sheet S having a predetermined width (W) and a length (L) (S1) for forming an asphalt primer layer (11) by applying an asphalt primer to the entire surface of the frame bottom (10); A first asphalt layer forming step (S2) of forming a first asphalt layer (12) by applying long asphalt melted at a high temperature on the asphalt primer layer (11); Placing asphalt waterproof sheet (S) and another asphalt waterproof sheet (S ') apart from each other on the first asphalt layer (12) and compressing the asphalt waterproof sheet (S); Asphalt melted at a high temperature is applied to cover the upper portion of the first asphalt layer 12 protruding from the upper portion of the edge of the asphalt waterproof sheet S and another portion of the asphalt waterproof sheet S ' A second asphalt layer forming step (S4) of forming a second asphalt layer (13); And a vinyl attaching step (S5) of attaching vinyl (14) to the upper surface of the second asphalt layer (13). A waterproofing method using an asphalt waterproofing sheet is known.

Also, Korean Patent Registration No. 10-0377431 discloses a waterproofing treatment of a weathered concrete bridge top plate 10 treated with a new concrete bridge top plate 10 or a polymer concrete and Linax which has been cured in a coating method using asphalt, After removing dust and impurities from the bridge top plate 10, a primer 20 of 0.3 kg / m 2 was applied and a glass fiber mesh 21 of 6 mm × 9 mm was applied at a weight of 0.08 kg. (22) with a filler and a polymer and made of 32-38% asphalt is heated at a temperature of 200-220 ° C. and is laid in an amount of 5-7 kg / m 2 to form 3-5 mm silica sand (23) Is sprayed at a rate of 2 kg / m < 2 > and the asphalt (30) is laid so that the bridges can be waterproofed.

However, when the waterproof coating layer is applied using the waterproof coating material as described above, the waterproof coating layer is easily broken and the waterproof coating is damaged when the structure is cracked.

Further, when the waterproofing sheet is used for waterproofing, it is difficult to find and repair the defective portion when the water leaks, which requires a careful construction.

On the other hand, concrete is a porous construction material in which small capillary voids having a size of 10 nm to 10 탆 are present from large bubbles having a diameter of 0.1 to 50 mm and having a width of 0.3 mm or less There are numerous fine cracks.

Since such pores and cracks may become a pathway for penetrating external moisture and deterioration materials, the durability of the concrete structure may be deteriorated. Therefore, in order to secure long-term durability, a waterproof and deterioration inhibiting material is applied to the surface of the concrete, It is required to prevent penetration of deteriorated substances and the like into the furnace.

For this purpose, organic water-repellent agents such as epoxy-based or polyurethane-based agents have been widely used as waterproofing and deterioration inhibiting materials to be applied to the surface of concrete. In recent years, Korean Patent No. 10-1400065 discloses a modified acrylic emulsion containing 55 to 75 parts by weight ; 20 to 35 parts by weight of an ethylene glycol resin; 5 to 10 parts by weight of an epoxy resin; 5 to 10 parts by weight of a nonionic surfactant; And 1 to 3 parts by weight of a silicone resin. However, such an organic waterproofing agent is vulnerable to external environmental conditions such as ultraviolet rays and, therefore, does not exhibit durability for a long period of time, There is a problem in that the coefficient and the shrinkage expansion rate are different from concrete and peel off or float as time elapses.

Accordingly, the present inventors have conducted extensive studies to solve the problems of the waterproof coating method using the waterproof coating material, the waterproofing method using the waterproof sheet and the waterproofing method using the organic waterproofing agent, Structure and its construction method, thereby completing the present invention.

An object of the present invention is to provide a multi-layer laminated composite waterproof structure by applying an infiltrating liquid waterproofing agent, then laminating the asphalt and the reinforcing grid in order, and applying a waterproofing material to the upper layer, and a construction method thereof.

The present invention provides a waterproof structure of a waterproof structure, comprising: a layer of a liquid water repellent agent applied on the waterproof structure; A first asphalt layer deposited and laminated on the permeable liquid water repellent layer; And a layer of an exposed waterproofing material layered on the first asphalt layer to form a composite waterproofing structure.

And a reinforcing grid layer is further provided between the upper portion of the first asphalt layer and the exposed waterproofing material layer.

And a second asphalt layer is further disposed between the upper part of the reinforcing grid layer and the exposed waterproofing material layer.

And the penetration type liquid waterproofing agent is composed of an acrylic emulsion and EVA (ethylene vinyl acetate).

The reinforcing grid uses a carbon fiber grid, a glass fiber grid, a synthetic resin grid or a nonwoven fabric as a solution to the problem.

The impregnated waterproofing material comprises an acrylic copolymer liquid resin prepared by copolymerizing a composition comprising acrylate, methacrylate and butadiene rubber latex, and an inorganic powder including a waste abrasive powder, a recycled aggregate powder and a cement powder Which is a hybrid hybrid waterproofing material.

Wherein the exposed waterproofing material is a composite hybrid waterproofing material comprising an acrylic copolymer liquid resin prepared by copolymerizing a composition containing an acrylate, a methacrylate and a butadiene rubber latex, and a cement mixed therein.

The exposed waterproofing material is a composite hybrid waterproofing material comprising MMA resin (Methyl methacrylate) mixed with silica sand.

Wherein the impregnated waterproofing material is a composite hybrid waterproofing material comprising a one-pack or two-pack type urethane binder mixed with a slag ball (PS ball) and colored silica.

The present invention also provides a method for manufacturing a waterproofing structure, comprising: applying an imbibing liquid waterproofing agent on a waterproofing structure; Applying a first asphalt on the permeable liquid water repellent layer; And applying an exposed waterproofing material on the asphalt layer. The present invention provides a composite waterproofing construction method.

And a reinforcing grid is stacked between the upper portion of the first asphalt and the exposed waterproofing material.

And a second asphalt is applied and laminated between the upper portion of the reinforcing grid and the exposed waterproofing material.

The composite waterproof structure according to the present invention is not limited to the use range of rooftops, underground parking lots, civil structures, railroad, road bridges and tunnels of buildings, and is free from the risk of fire due to construction at room temperature. And it is possible to construct a seamless waterproof layer by coating with a coating film type, and there is an effect of excellent water tightness with excellent adhesive force.

Further, since the water repellent liquid water repellent agent is used as a fryer, the water repellent performance of the structure and the durability of the waterproof structure are improved, and an organic solvent-free environment is provided to provide an environmentally friendly working environment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing an infiltrating liquid waterproofing agent, an asphalt and a reinforcing grid laminated composite waterproof structure according to an embodiment of the present invention; FIG.
2 is a view showing an infiltrating liquid waterproofing agent, an asphalt and a reinforcing grid laminated composite waterproof structure according to another embodiment of the present invention

The present invention provides a waterproof structure of a waterproof structure, comprising: a layer of a liquid water repellent agent applied on the waterproof structure; A first asphalt layer deposited and laminated on the permeable liquid water repellent layer; And an exposed waterproofing material layer laminated on the first asphalt layer to form a composite waterproof structure.

And a reinforcing grid layer is disposed between the upper portion of the first asphalt layer and the exposed waterproofing material layer to form a composite waterproof structure.

And a second asphalt layer is disposed between the upper surface of the reinforcing grid layer and the exposed waterproofing material layer to form a composite waterproof structure.

And the infiltrating liquid waterproofing agent is composed of an acrylic emulsion and EVA (ethylene vinyl acetate).

The reinforcing grid is characterized by using a carbon fiber grid, a glass fiber grid, a synthetic resin grid or a nonwoven fabric.

The impregnated waterproofing material comprises an acrylic copolymer liquid resin prepared by copolymerizing a composition comprising acrylate, methacrylate and butadiene rubber latex, and an inorganic powder including a waste abrasive powder, a recycled aggregate powder and a cement powder Which is a hybrid hybrid waterproofing material.

And the exposed waterproofing material is a hybrid hybrid waterproofing material comprising an acrylic copolymer liquid resin prepared by copolymerizing a composition containing acrylate, methacrylate, and butadiene rubber latex, and curing cement mixed therein.

The exposed waterproofing material is a hybrid hybrid waterproofing material comprising MMA resin (Methyl methacrylate) mixed with color silica.

The impregnated waterproofing material is a composite hybrid waterproofing material comprising a one-pack or two-pack type urethane binder mixed with a slag ball (PS ball) and color silica.

The present invention also provides a method for manufacturing a waterproofing structure, comprising: applying an imbibing liquid waterproofing agent on a waterproofing structure; Applying a first asphalt on the permeable liquid water repellent layer; And applying an exposed waterproofing material on the asphalt layer. The present invention also provides a composite waterproofing construction method.

And a reinforcing grid arranged between the first asphalt upper portion and the exposed waterproofing material.

And a second asphalt is applied and laminated between the upper part of the reinforcing grid and the exposed waterproofing material.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the illustrative embodiments set forth herein.

Referring to FIG. 1, the laminated composite waterproof structure of the present invention comprises a layer 2 of an infiltrating liquid waterproofing agent applied on a waterproofing structure 1; A first asphalt layer (3) applied over the layer of permeable liquid waterproofing agent; And an exposed waterproofing material layer (6) applied on the first asphalt layer, and a reinforcing grid layer (4) may be stacked on the first asphalt layer.

The waterproofing structure (1) of the present invention can be applied to various materials such as concrete structure, foamed resin, wood, oil storage tank, collecting tank, sewage treatment facility, swimming pool, parking lot floor, purification tank, water treatment plant and various water treatment structures, bridge top plate, And may be of a purpose.

When the washing operation of the waterproof structure is completed, the water repellent liquid waterproofing agent is applied as a primer on the waterproof structure. The penetrating liquid waterproofing primer may penetrate the surface of the waterproofing structure such as concrete to strengthen the surface, and then may bond with the applied asphalt layer to improve the adhesive strength.

The penetration liquid waterproofing primer of the present invention is composed of an acrylic emulsion and EVA (ethylene vinyl acetate).

The acrylic emulsion is excellent in water resistance, alkali resistance, workability, and penetrates and absorbs deeply into the base surface of concrete, mortar, etc. to bind and treat pores and dust, and hardens the surface. But the strength of the waterproof layer, the film forming performance and the waterproof performance are unsatisfactory.

EVA (ethylene vinyl acetate) is used for improving the strength, adhesion and waterproofness of the waterproof layer. When used together with the acrylic emulsion, the strength, film forming performance, elasticity and waterproof performance of the waterproof layer can be improved. A primer composed of the acrylic emulsion and EVA (ethylene vinyl acetate) is used as the penetrating liquid waterproofing agent.

Referring to FIG. 2, a second asphalt layer 5 may be further applied on the reinforcing grid layer 4, and the second asphalt layer is generally waterproofed, and a detailed description thereof will be omitted.

The reinforcing grid layer 4 arranged on the first asphalt layer absorbs the tensile force due to shrinkage and expansion and can absorb the shear strength acting on the first asphalt layer 3 and the exposed waterproofing layer 6, It is possible to prevent cracking of the first asphalt layer by removing the pressure of steam generated from the first asphalt layer 3.

The reinforcing grid preferably comprises a carbon fiber grid, a glass fiber grid, a synthetic resin grid or a nonwoven fabric.

The exposed waterproofing material layer 6 applied on the first asphalt layer 3 or the reinforcing grid layer 4 or the second asphalt layer 5 comprises a composition comprising an acrylate, , A composite hybrid waterproofing material mixed with an inorganic powder composed of a pulverized abrasive powder, a recycled aggregate powder, and a cement powder is applied to the acrylic copolymer liquid resin.

When the impregnated waterproofing material layer 6 is formed by using the composite hybrid waterproofing material, the inorganic powder mixed in the acrylic copolymerized liquid resin penetrates into the concrete micro-cells and is bonded with the concrete so that adhesion between the composite hybrid waterproofing material and the concrete The inorganic powder is preferably composed of a waste abrasive powder, a recycled aggregate powder, and a cement powder.

As described above, the adhesion strength and the tensile strength are excellently expressed because the -COOH groups of acrylate and methacrylate are present at the end of the polymer and the cations (sodium ion, calcium ion, magnesium ion, etc.) present in the inorganic material of the powder, And thus exhibits strong bonding strength and tensile strength, and air pockets are not generated due to the inorganic powder, and the surface roughness is excellent.

The acrylic copolymer liquid resin is prepared by copolymerizing a composition containing an acrylate, a methacrylate and a butadiene rubber latex as an organic liquid resin excellent in crack resistance, wherein the acrylate, methacrylate and butadiene rubber latex are copolymerized , So that not only crack resistance but also adhesion and elasticity of butadiene rubber latex can be added to exhibit excellent waterproof durability.

The exposed waterproofing material layer 6 may be formed by applying a composite hybrid waterproofing material obtained by mixing an acrylic copolymer liquid resin prepared by copolymerizing a composition containing acrylate, methacrylate and butadiene rubber latex with a cement, When the quick-setting cement is used, it can be used in a part where rapid turning such as a highway is required.

The exposed waterproofing material layer 6 may be formed by applying a composite hybrid waterproof material composed of MMA resin mixed with color silica, Can be used.

The exposed waterproofing material layer 6 may be formed by applying a composite hybrid waterproofing material composed of a one-pack type or two-pack type urethane binder mixed with a slag ball (PS ball) and color silica. In this case, , It shows high strength compared with PS ball mixed only, and color can be expressed by mixing a black PS ball with color silica at a certain ratio.

2, a second asphalt layer 5 may be further applied between the upper portion of the reinforcing grid layer 4 and the exposed waterproofing material layer 6, 4) while enhancing the adhesion with the impregnated waterproofing material layer 6 and enhancing the waterproof performance.

On the other hand, the composite waterproofing structure of the present invention includes the steps of applying a water permeable liquid waterproofing agent on a waterproofing structure; Applying a first asphalt on the permeable liquid water repellent layer; And a step of applying an exposed waterproofing material on the asphalt layer. The step of stacking the reinforcing grid on the first asphalt upper part and the exposed waterproofing material may further include the step of laminating the reinforcing grid Or coating the second asphalt layer between the upper part of the reinforcing grid and the exposed waterproofing material.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the drawings disclosed in the present invention are not intended to limit the scope of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

1: waterproof structure 2: penetrating liquid waterproofing layer
3: first asphalt layer 4: reinforcing grid layer
5: Second asphalt layer 6: Exposed waterproofing layer

Claims (12)

A waterproof structure of a waterproof structure, comprising: a layer of an infiltrating liquid waterproofing agent applied on the waterproof structure; A first asphalt layer deposited and laminated on the permeable liquid water repellent layer; And an impregnated waterproofing material layer formed on the first asphalt layer, wherein the impregnated liquid waterproofing agent comprises an acrylic emulsion and EVA (ethylene vinyl acetate), and the exposed waterproofing material is selected from the group consisting of acrylate, A composite hybrid waterproofing material comprising an acrylic copolymer liquid resin prepared by copolymerizing a composition comprising a latex and a butadiene rubber latex, and an inorganic powder including a waste abrasive powder, a recycled aggregate powder and a cement powder; Or an acrylic copolymer liquid resin prepared by copolymerizing a composition comprising an acrylate, a methacrylate and a butadiene rubber latex, wherein the acrylic hybrid copolymer is prepared by mixing an acrylic copolymer liquid resin of the hybrid hybrid waterproofing material The -COOH group of the acrylate and methacrylate contained in the cement composition forms an ionic bond with the cations including sodium ions, calcium ions and magnesium ions present in the inorganic powder or the cement so as to develop the adhesion strength and the tensile strength, The inorganic powder mixed in the acrylic copolymer liquid resin or the cement cement penetrates into the concrete fine cells and is bonded with the concrete to develop the bond strength with the concrete. The butadiene rubber latex of the acrylic copolymer liquid resin is an acrylate And methacrylate to add the adhesion and elasticity of the butadiene rubber latex.
The method according to claim 1,
And a reinforcing grid layer selected from a carbon fiber grid, a glass fiber grid, a synthetic resin grid, or a nonwoven fabric is laminated between the upper portion of the first asphalt layer and the exposed waterproofing material layer.
3. The method of claim 2,
And a second asphalt layer is disposed between the upper surface of the reinforcing grid layer and the exposed waterproofing material layer.
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KR1020160026099A 2016-03-04 2016-03-04 Hybrid water proofing structure using infiltrative liquid waterproofing agent, asphalt and reinforce grid laminate and the method of its construction KR101752214B1 (en)

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Publication number Priority date Publication date Assignee Title
CN111559895A (en) * 2020-06-01 2020-08-21 中国建材检验认证集团北京天誉有限公司 Low-water-absorption regenerated GRC material and preparation method thereof
KR102430539B1 (en) * 2022-03-16 2022-08-08 대로방수화학 주식회사 Rooftop waterproofing Method

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KR100659476B1 (en) 2004-11-11 2006-12-20 송재환 Mat type water proof sheet and its making method and carring out method

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
KR100659476B1 (en) 2004-11-11 2006-12-20 송재환 Mat type water proof sheet and its making method and carring out method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111559895A (en) * 2020-06-01 2020-08-21 中国建材检验认证集团北京天誉有限公司 Low-water-absorption regenerated GRC material and preparation method thereof
KR102430539B1 (en) * 2022-03-16 2022-08-08 대로방수화학 주식회사 Rooftop waterproofing Method

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