KR101722754B1 - Crack response lamination type Waterproof and anticorrosion structure in way of Water and Wastewater line Concrete Structures - Google Patents
Crack response lamination type Waterproof and anticorrosion structure in way of Water and Wastewater line Concrete Structures Download PDFInfo
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- KR101722754B1 KR101722754B1 KR1020150125775A KR20150125775A KR101722754B1 KR 101722754 B1 KR101722754 B1 KR 101722754B1 KR 1020150125775 A KR1020150125775 A KR 1020150125775A KR 20150125775 A KR20150125775 A KR 20150125775A KR 101722754 B1 KR101722754 B1 KR 101722754B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B31B13/00—
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/06—Coatings characterised by the materials used by cement, concrete, or the like
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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
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/06—Concrete
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
[0001] The present invention relates to a crack-resistant laminated type waterproofing and struc- tural structure of a water supply and drainage type concrete structure, and more particularly, By using eco-friendly epoxy resin and anti-corrosive material, it is possible to prevent cracks from occurring under construction and to prevent economic loss due to defects such as cracks, leaks and corrosion by preventing cracking and waterproofing of various concrete structures. And to provide a watertight and watertight structure for crack-resistant laminated concrete structures in water and wastewater systems that can improve efficiency.
That is, the present invention relates to an epoxy primer layer formed on a base treated base concrete; A base filler having a curing agent applied to the epoxy primer layer; A first resin layer formed on the upper side of the base filler material; A reinforcing woven fabric (HTR) layer bonded on the first resin layer in a laminated state; A second resin layer applied to be impregnated into the reinforcing woven fabric layer; And a third resin layer is formed as a finish layer on the second resin layer.
Description
More particularly, the present invention relates to a waterproofing, waterproofing, and waterproofing method for laminated waterproofing, cracking, and waterproofing of a water and wastewater based concrete structure, and more particularly to a waterproofing and waterproofing method using HTR cloth, biomass resin, ), CAVANDAIJIM, etc., it is possible to prevent the economic loss due to defects such as cracks, leaks, corrosion and so on by using the waterproof and anti-corrosive material of eco-friendly epoxy resin It is intended to provide waterproofing and structure for stacked type cracks in water and wastewater series concrete structures that can improve waterproofing and efficiency of construction work for concrete structures.
The most common cause of defects in the waterproofing and corrosion process is the lack of compatibility between the base of the concrete and the concrete, which is the user of the waterproofing and corrosion process. The finished product of the construction accelerates the deterioration due to the cracking due to the expansion and contraction of the existing concrete as well as the neutralization of the concrete due to the influence of the penetration water due to the self-cracking of the waterproof finished product.
As a conventional method of waterproofing and waterproofing, there have been proposed various methods such as liquid waterproofing, permeable waterproofing, organic solvent based film waterproofing, sheet waterproofing, mortar waterproofing and the like, but cracks due to self-cracking of waterproofing layer and expansion and contraction expansion of concrete Devices are inherently lacking.
Although there is a thick protective mortar layer in the cement mortar waterproofing, there is a limit in counteracting cracks due to external factors, and the corrosion of the concrete sphere due to the cracks and the oxidation corrosion of the inner reinforcing bars cause deterioration (cracking) .
The concrete structure of the water and wastewater series has acidic ratio generated from carbon dioxide gas, nitric oxide, oxygen and sulfur, penetrates into the alkaline concrete, and consequently, the concrete is deteriorated and the cracks are progressed due to the neutralization, and the chlorine component in the water reacts with the alkali of the concrete, . As the alkaline silica gel absorbs water, the water penetrates due to expansion, deterioration and cracking of the concrete, so that the inner reinforcing steel is fired. The concrete is released and peeled by the expansion pressure of rust generated by the chewing, It accelerates oxidation corrosion and destroys the concrete structure.
Also, the concrete structure of sewage treatment plant series stores malodorous wastewater such as highly corrosive sewage or sewage sludge mixed with a large amount of organic matter including sulfate or sulfur, so that the oxidation corrosion rate is fast.
However, in the conventional waterproofing method, since the waterproofing material does not have a reliable adhesive force on the construction surface, the waterproofing material is not responsive to the behavior of the base surface, and the waterproofing material is lifted, peeled and cracked.
Concrete structures are a means to take long-term countermeasures to permanently maintain concrete structures by originally blocking the occurrence of defects by suggesting a construction method that has the ability to cope with cracks due to stress, vibration and impact in low temperature water. It is a desperate situation.
Accordingly, the present inventors have researched and developed the present invention in order to solve all the problems associated with the above-mentioned conventional waterproofing and corrosion process. In the present invention, The use of environmentally friendly epoxy resin waterproofing and caulking materials manufactured by using resins, carbendazim, etc., suppresses the occurrence of cracks in the construction state, thereby increasing productivity and preventing economic loss due to cracks, leaks and corrosion The present invention has been accomplished on the basis of the technical object of the present invention, which provides a waterproofing, a structure, a waterproofing, and a waterproofing method for crack-resistant laminated waterproofing and waterproofing of a water and wastewater series concrete structure that can prevent water and waterproofing various concrete structures,
On the other hand, other unspecified objects of the present invention may be further considered within the scope of the following detailed description and easily deduced from the effects thereof.
According to the present invention,
An epoxy primer layer formed on the ground treated bottom concrete; A base filler layer having a curing agent applied to the epoxy primer layer; A first resin layer formed on the upper side of the base filler material; A reinforcing fabric (H.T.R. Cloth) layer laminated on the first resin layer; A second resin layer applied to be impregnated into the reinforcing woven fabric layer; A third resin finish layer is formed as a finish layer on the second resin layer, wherein the epoxy primer layer comprises 20-30 parts by weight of an aromatic epoxy resin, 60-70 parts by weight of a non-toxic solvent, 0.2-0.3 parts by weight of an additive, and 0.1-0.2 parts by weight of a fumed silica (FUMED SILICA).
An epoxy primer layer formed on the ground treated floor concrete; A base filler layer having a curing agent applied to the epoxy primer layer; A first resin layer formed on the upper side of the base filler material; A reinforcing fabric (H.T.R. Cloth) layer laminated on the first resin layer; A second resin layer applied to be impregnated into the reinforcing woven fabric layer; And a third resin finish layer is formed as a finish layer on the second resin layer, wherein the reinforcing woven fabric layer is a high-performance fiber new material having high strength, high elasticity, heat resistance and chemical resistance superior to general- High Tensile Reinforced Cloth).
A non-toxic epoxy primer provided with the present invention, which is provided with an aromatic epoxy resin, a non-toxic solvent, a surface adhesion promoter, an additive, fumed silica, amide, amidoamine, aliphatic amine, japamine, hardening accelerator, a backbone epoxy resin, a modified aromatic epoxy resin, a cycloaliphatic epoxy resin, an additive, a flame retardant, a filler, a fumed silica, a pigment, a cyclic aliphatic amine, a curing accelerator, A high-strength fiber-reinforced high-tenacity fiber reinforced with high strength, high elasticity, heat resistance, and chemical resistance superior to general-purpose fibers, (HTR Cloth), a biomass epoxy resin, a cyclic aliphatic epoxy resin, carbendazim, etc. Environment Epoxy Resin Waterproofing, Aromatic Adhesion and Cracking of Water and Sewerage Concrete Structures The environmentally friendly epoxy resin and high tensile reinforced woven fabric are used for the surface layer of the concrete sphere that has undergone the repair and reinforcement of the defective part and the pretreatment of removing impurities. It is designed to prevent cracks, leaks, corrosion and other economic damages by preventing cracks, leaks, and corrosion due to strong crack prevention and waterproofing, which is formed by blocking the permeable material almost close to perfection by permanent stabilization of concrete structure. The waterproofing of various concrete structures and the efficiency of the construction work are improved. In addition to the above-mentioned advantages, the present invention has excellent economic value and excellent effects.
1 is a cross-
Fig. 2 is a view showing a construction state process diagram to which one embodiment of the present invention is applied
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention.
Figure 1 shows a cross-sectional view of the present invention.
1, the epoxy primer layer 2 is applied to the ground treated concrete 1, and a hardening agent is applied thereon, as shown in FIG. 1, The
A first resin layer 4 (epoxy resin layer) is applied to the upper side of the
Hereinafter, a composition state of the constituent member applied to the present invention will be described.
1) Epoxy primer
20-30 parts by weight of an aromatic epoxy resin, 60-70 parts by weight of a non-toxic solvent, 0.5-0.6 parts by weight of a surface adhesion promoter, 0.2-0.3 parts by weight of an additive, FUMED SILICA (as a thixotropic agent) ) 0.1-0.2 parts by weight of a primer, wherein the coating primer is naturally dried to prevent environmental pollution due to a residual solvent while blocking the capillary of the air layer by bonding with the surface of the concrete, The chemical resistance and wear resistance characteristics of the material are excellent in the protection of concrete surface layer.
The surface adhesion promoter is an essential component for enhancing the adhesion of the concrete and the subsequent paint layer by preventing tear marks or surface contamination by increasing the flow preventive property at the time of coating. As the additive, a silicone antifoaming agent for removing air bubbles, A leveling agent to complement the state, and a wetting agent to reduce the surface tension of the liquid.
2) Background filler
10-30 parts by weight of a biomass backbone epoxy resin, 10-20 parts by weight of a modified Aromatic epoxy resin, 5-15 parts by weight of a cycloaliphatic epoxy resin, (Silica, calcium carbonate) 10-20 parts by weight, fumed silica (1-2 parts by weight), pigment 3-5 40 to 70 parts by weight of a cycloaliphatic amine, 3 to 5 parts by weight of a curing accelerator, 0.5 to 1 part by weight of imidazoles, amidoamine, aliphatic amine, And 2 to 5 parts by weight of fumed silica (FUMED SILICA).
The above-mentioned subject and the curing agent are used in a mixture of 70 to 85 parts by weight and 15 to 30 parts by weight, respectively.
The additives include a silicone antifoaming agent, a leveling agent, and a wetting agent. The flame retardant is a mixture of alumina and aluminum hydroxide. The filler is a mixture of silica and calcium carbonate.
3) Eco-friendly epoxy resin
10-20 parts by weight of a biomass type epoxy resin, 10-20 parts by weight of a cycloaliphatic epoxy resin, Carbendazim methyl 2-benzidimazole carbamate (ethyl 2 1 to 10 parts by weight of a flame retardant, 10 to 30 parts by weight of a filler (silica, barium sulfate), 10 to 30 parts by weight of a filler (silica, barium sulphate) , 0.5-1 parts by weight of FUMED SILICA, 1-3 parts by weight of pigment, 5-10 parts by weight of non-reactive diluent, and 5-10 parts by weight of reactive diluent, and 10 parts by weight of cyclic aliphatic amine 30 to 70 parts by weight of a cycloaliphatic amine, 1 to 5 parts by weight of a curing accelerator, 0.2 to 1 part by weight of imidazoles, 20 to 30 parts by weight of aliphatic amine, 0.5 to 1 part by weight of fumed silica, By weight of a curing agent.
The above-mentioned subject and the curing agent are used in a mixture of 70 to 90 parts by weight and 10 to 30 parts by weight, respectively.
The eco-friendly epoxy resin characterized by containing various additives such as biomass-type epoxy resin, cycloaliphatic epoxy resin, and two organic-based antimicrobial agents including carbendazim methyl 2-benzidimazole carbamate has antimicrobial and chemical resistance Resistant, waterproof, and corrosion-resistant material that is superior in weatherability and corrosion resistance, and has the disadvantages of the conventional epoxy resin that the yellowing does not occur and the weather resistance is not exhibited and the antibacterial property or toxic substance is eluted.
The biomass type epoxy resin uses a resin extracted from corn and environmentally friendly ethanol. Cycloalipathic epoxy resin is an epoxy resin with excellent outdoor exposure.
The additive is a mixture of a silicon antifoamer, a leveling agent and a wetting agent. The flame retardant is a mixture of alumina and aluminum hydroxide. Preferably, inorganic flame retardants such as formaldehyde and halogen compounds are selected. The filler is made by mixing silica and calcium carbonate.
Although an example using an epoxy resin is shown in the present invention, any one of urethane resin, polyurea resin, unsaturated polyester resin, acrylic resin and ceramic resin may be selected and used if necessary.
4) High tensile reinforcing fabric (H.T.R. Cloth)
It is also called PET (Poly Ethylene Terephthlate), which is a polyester based synthetic fiber and has ester bond (-co-o-). It is also resistant to sunlight and yellowing and has excellent thermoplasticity, Deformation does not occur well. It has insect resistance, crack resistance and chemical resistance. It has the highest heat resistance among synthetic fibers with melting point of 260 ℃.
Polyester fibers are made of single yarn by collecting mono filaments without any breakage. Polyester filament yarn (FY: Filamen Yarn) and short filament yarn are shortened to form a cotton-like polyester short fiber (SF: Staple Fiber).
The polymerization process of Chip which is a raw material of polyester fiber is TPA / EG injection → slurry adjustment → ES reaction → PC reaction → Chip (polymer melt) process, FY (long fiber) The production process is woven by processes of Chip (Polymer Melting) → Dry Melting → Spinning / Winding → POY (Pre Oriented Yarn) and SDY (Spin Draw Yarn) Production → Stretching / Inspection → Packaging.
Polyester fiber has higher safety than glass fiber which has high tensile strength, low hygroscopicity, chemical resistance, heat resistance and has a lot of controversy about harmfulness of human body. Especially Young's modulus: the tensile strength in the longitudinal direction or the ability ) Has a characteristic that it has a unique elasticity because it has a good stiffness (the modulus of elasticity of the object).
Among them, the HTR Cloth used in the method of the present invention is a high strength, high elasticity material, which is superior in tensile strength, heat resistance, chemical resistance, and elasticity to superfine fibers It is a material that is woven with a high strength fiber which is a new high-performance fiber material and laminated between environment-friendly epoxy to prevent cracking due to external impact or temperature change with strong tensile force.
In the present invention, an example of using the above-mentioned high tensile strength cloth (H.T.R. Cloth) is described, but various general synthetic fiber reinforced woven fabrics may be used.
In the case of the present invention, an eco-friendly epoxy resin with improved adhesion performance and durability due to antibacterial, chemical, weathering, corrosion resistance and dewatering performance, and high-performance epoxy resin having excellent strength, high elasticity, heat resistance and chemical resistance as compared with general- High build type Epoxy Lining Resin method is formed by using the material of high strength yarn woven high strength reinforcement fabric (HTR Cloth) to prevent water leakage due to leakage of water and corrosion due to corrosion and corrosion. It is intended to provide waterproofing and waterproofing methods for protecting water and wastewater based concrete structures from the preservation of fresh water and corrosion.
FIG. 2 is a view showing a construction state process diagram to which an embodiment of the present invention is applied.
(Example 1)
As a preliminary matter of the present invention, it is found that, in terms of the structure of the concrete structure, the index of the leakage area due to the cracks generated during the curing process of the concrete and the cracks generated by the external factors after the formation of the structure For the processing (grouting, etc.), stepped part, concave / convex part, foam, tie, honeycomb part, etc., smoothening of the concrete surface through piercing and plugging shall be prescribed before the start of this method under the responsibility of the constructor (ex.
After the action has been taken, the following steps are carried out: (1) a background treatment step, (2) a primer application step, (3) a filler step, (4) a first resin application step, The waterproofing, the structure, the waterproofing, and the waterproofing method corresponding to the crack in the water and sewage series concrete structure are performed.
Hereinafter, each step will be described in detail.
① Background processing step
Remove the oil and other contaminants from the surface of the concrete, and perform a soil treatment to clean the dust and the like with the air suction device.
② Primer application step
A primer with a very low viscosity is applied to the concrete surface layer to form a stable surface.
Preferred examples thereof include an epoxy resin, a non-toxic solvent, a surface adhesion promoter, additives (silicon antifoaming agent, leveling agent, wetting agent mixture), fumed silica, amide, amidoamine, aliphatic amine, JAFFAMINE, It is possible to apply a non-toxic epoxy primer to form a base of primary penetration adhesion.
③ Filling stage
The surface filling material with watertightness and adhesive property is partially filled (partial putty) in the weak part to form a smooth surface.
Preferred are biomass backbone epoxy resins, modified Aromatic epoxy resins, cycloaliphatic epoxy resins, additives, flame retardants, fillers, fumed silica, pigments, cycloaliphatic amines, curing accelerators, imidazoles, A smooth filler may be partially filled in a weak filler to form a smooth surface, including a filler, a diamine, an aliphatic amine, and a japanamine.
④ First resin application step
An eco-friendly epoxy resin is first applied to provide an adhesive layer for inserting the reinforcing woven fabric layer laminated on the upper side in an integrated manner.
⑤ Strengthening of high tensile woven fabric
Prior to the hardening of the first applied epoxy resin, a high-strength reinforcing woven fabric is laminated to form a crack prevention system for the initial waterproof layer.
⑥ Second resin application step
An eco-friendly epoxy resin is secondarily applied on the high-tensile reinforcing woven layer so that the reinforcing woven layer is completely impregnated between the epoxy resin layers.
⑦ Third phase Finish application step
In the cured state of the secondarily applied epoxy resin, the eco-friendly epoxy resin is applied to the third layer to a proper thickness to form a finish layer having a smooth appearance.
The epoxy resin in steps (4), (6) and (7) above is characterized in that it contains various additives such as biomass type epoxy resin, cyclic aliphatic epoxy resin, two kinds of organic-based antimicrobial agents including carbamidic methyl 2-benzimidazole carbamate Use environmentally friendly products that have improved adhesion performance and durability due to antimicrobial, chemical resistance, weather resistance, corrosion resistance, and penetration performance. At this time, any one of a urethane resin, a polyurea resin, an unsaturated polyester resin, an acrylic resin and a ceramic resin may be selected for use as an epoxy resin, if necessary.
While the present invention has been described in connection with what is presently considered to be the most practical embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Therefore, the scope of protection of the present invention is not limited to the above-described embodiments, but the scope of the claims of the following claims and the scope of protection from these techniques to equivalent technical means should be acknowledged.
1: Floor concrete
2: Primer layer
3: base filler layer
4: First resin layer
5: HTR Cloth Layer
6: Second resin layer
7: Third resin finish layer
Claims (3)
A base filler layer having a curing agent applied to the epoxy primer layer;
A first resin layer formed on the upper side of the base filler material and enhancing a feeling of unity with the reinforcing woven fabric layer laminated on the upper side;
A reinforcing woven fabric layer laminated on the first resin layer;
A second resin layer for impregnating the reinforcing woven fabric layer so as to be completely bonded;
Forming a third resin layer for a finish layer having a smooth outer appearance of an appropriate thickness by coating on a second resin layer in a cured state;
The epoxy primer layer is prepared by mixing 20-30 parts by weight of an aromatic epoxy resin, 60-70 parts by weight of a non-toxic solvent, 0.5-0.6 parts by weight of a surface adhesion promoter, 0.2-0.3 parts by weight of an additive, 0.1 parts by weight of FUMED SILICA 0.1 -0.2 parts by weight;
Wherein the first to third resin layers are selected from the group consisting of an epoxy resin, a urethane resin, a polyurea resin, an unsaturated polyester resin, an acrylic resin, and a ceramic resin;
The reinforcing woven fabric layer is a polyester-based synthetic fiber and is a high tenacity reinforced fabric woven with a high tenacity yarn, which is a high-performance fiber new material having high strength, high elasticity, heat resistance and chemical resistance superior to general purpose fibers. Laminated type waterproof and corrosion resistant structure for cracks in concrete structures.
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| KR102167693B1 (en) * | 2020-05-21 | 2020-10-19 | 주식회사 대연건설 | Constructing method for reinforcement of superannuated pipe and manufacturing device of resin-impregnated sheet for reinforcement of superannuated pipe |
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| KR100971910B1 (en) * | 2009-12-07 | 2010-07-26 | (주) 수향방수 | Waterproof composition for concrete structure |
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| KR20040027632A (en) * | 2004-02-18 | 2004-04-01 | 김복일 | Waterproofing using epoxy or acrylic epoxy cement mortar |
| KR100906416B1 (en) | 2008-09-03 | 2009-07-09 | 주식회사 헵스켐 | Method of anti-corroding concrete and anti-corrosive coating layer |
| KR101478946B1 (en) | 2014-03-28 | 2015-01-05 | (주)동서에코라인 | The waterproof construction method for concrete structure using the membrane agent |
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