KR20040027632A - Waterproofing using epoxy or acrylic epoxy cement mortar - Google Patents

Abstract

PURPOSE: A waterproofing method using epoxy or acryl epoxy cement mortar is provided to promote the stability of a concrete structure. CONSTITUTION: The waterproofing method using epoxy or acryl epoxy cement mortar comprises the steps of: surfacing(1) by removing the laitance of concrete surface, the film of a pin hole, etc. using a wet sanding machine, reinforcing the weak part such as a crack and a water leakage in concrete, then cleaning up with a high-pressure sprinkler, filling up the defective part such as rugged or stepped parts using fillers to form the sphere surface smoothly, then placing acryl epoxy polymer primer and epoxy primer to intercept a capillary tube and to permeate to a gap; forming a primary waterproof mortar layer(2) safely by piling up R.F.G cloth(3) having strong tensile strength; and forming a waterproof layer by compressing acryl epoxy cement mortar or epoxy cement mortar evenly and forming a secondary waterproof mortar layer(4) having the strong adhesive strength with a sphere to a thickness of 2¯7 millimeters.

Description

Waterproofing using epoxy or acrylic epoxy cement mortar

The present invention is the epoxy or acrylic epoxy cement mortar for waterproofing the protective coating for concrete protection, anticorrosive work by using a member of a crack prevention device having a strong tensile force in various concrete structures of water purification plant system, sewage treatment plant series (RC- TECH and RC -HITECH), which relates to waterproofing and anticorrosive method, and to improve and supplement materials and methods in the medium-load proof resin mortar waterproofing and anticorrosive method of Patent No. 081283, which the applicant has previously applied for will be.

In performing waterproof and anticorrosive processes, the main causes of defects are poor concrete ground treatment (removal of tartans, poor pinhole expansion) and lack of affinity with concrete of user materials. As the finished product is cracked by strong shrinkage expansion of concrete and self-organization of waterproof finished product, external infiltration water penetrates deeply into concrete and promotes deterioration due to concrete neutralization.

Cement-based liquid waterproofing, liquid-permeable waterproofing, mother-permeable waterproofing, and organic solvent-based coating waterproofing are lacking in perfect base treatment (base treatment) during construction, and are insufficient to remove the source defects of defects. In the cement-based mortar waterproofing system, there is a natural lack of a crack prevention device due to the self-organization of the waterproofing finished material and shrinkage expansion of concrete.

When mixed with cement, the liquid waterproofing of calcium chloride and sodium silicate due to the simplistic reaction of increasing the exothermic temperature, despite the thick protective mortar layer, erosion of the concrete sphere and internal reinforcement due to chemical reaction (oxidation) of the applied materials. The thick protective mortar layer also promotes deterioration (deterioration of performance) and dropping of concrete due to the reaction of infiltration water due to the lack of strong crack protection.

Liquid permeable waterproofing developed as a method of improvement also occurs in cracking due to external factors and self-curing process due to lack of crack preventing device, despite its excellent function as waterproofing agent such as impermeability, moisture resistance, water resistance, etc. It is impossible to prepare by the heat and so on.

Maternal penetrability, developed due to the limitations of mortar waterproofing, is also a hydration phenomenon that continuously penetrates by external water pressure as a thin film, and it penetrates into the deep concrete part. Although it has superiority, there is a limit in preventing cracking of concrete spheres and cracking due to impact of waterproof coating layer due to external factors due to the inability to combine and prevent cracking materials.

Due to these factors, it is impossible to prevent cracking of the waterproof mortar finished product without the application of the crack preventing device due to the strong tensile force.

In other concrete structures such as water purification plants and sewage treatment plants, acid rain from carbon dioxide (CO ₂ ), nitrous oxide (NO _x ), and oxygen sulfur in the air penetrates the alkaline concrete, resulting in deterioration of concrete and cracking. Alkali silica gel is formed by reacting with alkali of concrete as chlorine in the genus.

As the alkali silica gel absorbs water, the concrete expands and deteriorates to form small fragments, and water penetrates due to cracks, causing the concrete to fall off and exfoliate due to rust expansion pressure generated from the internal reinforcing bars. It is accelerated and the concrete structure is destroyed.

In addition, the concrete structure of the sewage treatment plant series stores the corrosive sewage or sewage sludge, which contains a large amount of organic matter including sulfates and sulfur, and thus accelerates oxidation corrosion.

Moisture promotes deterioration of concrete compounds. Since deterioration, cracking, and dropping of concrete are directly related to water penetrating from the outside, it is necessary to block the infiltrating water at the source, and to have water resistance to always exclude water ingress with low absorption rate, and similar coefficient of thermal expansion to concrete. The breakdown and peeling of the waterproof layer against the furnace temperature difference should not occur, and the moisture remaining in the concrete should be completely released during the long curing period.

By applying homogeneous materials that are compatible with concrete, concrete materials have a low saturation temperature to maintain a strong adhesive force that is not damaged by stress, vibration, or impact even in low temperature water, and deterioration crack leakage corrosion due to neutralization as described above. Long-term measures should be taken to permanently maintain the concrete structure by blocking the occurrence of defects.

Therefore, the present inventors have a strong crack prevention waterproof, anticorrosive layer formed by finishing with concrete mortar (Resin CRETE PRIMER, Resin CRETE PASTE + R.FG CLOTH, ResinCRETE) on the surface of concrete concrete where rehabilitation of poor parts and strong impurities are removed. By blocking permeable materials to near perfect perfection, the stability of concrete structures is permanently prevented, thereby preventing economic losses due to increased productivity, cracks, leaks, corrosion, etc., and coping with various anticorrosion methods as an accessory process. Registered a patent application (Patent No. 081283) for the heavy water proofing resin mortar waterproofing and anticorrosive method to improve the efficiency of waterproofing and anticorrosive construction for various structures such as sewage treatment plant. Mortar waterproofing, anticorrosive method, can be used to improve the thickness of the material and waterproof layer. Bar, in the present invention will hayeotneun one wishes to make up for these parts as focus.

Therefore, in the present invention, an acrylic epoxy resin made by copolymerization of a synthetic polymer resin, a polar monomer, an epoxy resin, etc., an acrylic epoxy cement mortar waterproofing agent (RCH-200) incorporating an inorganic powder, and an inorganic powder are added to the epoxy resin. To use a new epoxy cement mortar waterproofing agent (RCT-200) to provide a new waterproof and anticorrosive method that protects water purification system and sewage treatment plant concrete structure from clean water and corrosion protection.

First, observe the surface of the sphere thoroughly

① Reinforce the poor part of concrete such as honeycomb crack, water leakage and water part.

(2) RC-, which is a defect filling material with strong adhesion and self-elasticity, is removed (ratans) and enlarged (pinhole voids) by using a wet sanding machine (sanding machine) by a strong injection device. 60 [RC-60A (Liquid resin compound that contains amorphous silica which is strongly penetrated and adhered to capillary tube, pores, pinholes, micro cracks, etc.), and has excellent water resistance, high elasticity and strong adhesion. RC-60M (a mixture of Portland Cement + Particulate Fly Ash + Active Compound + Silica (Silica), etc.), which is an excellent chemical powder, is used on the surface of a smooth sphere finished with ground treatment. ,

(3) After applying primer with acrylic epoxy polymer primer RCH-100 and epoxy primer RCT-100 which are permeable primers, penetrate and adhere to capillary blocking and pores and pores to form the basis of primary penetration adhesion.

④ Accurately apply acrylic epoxy cement mortar (RCH-200) or epoxy cement mortar (RCT-200) to fill the uneven parts and the enlarged pinhole voids with the elimination of tartans to form a waterproof film (brush, wood) Combined with a trowel) to form a waterproof primary layer,

⑤ Lay R.F.G Cloth on this waterproof primary layer to build safety of initial waterproof layer.

⑥ Evenly compress and plaster acrylic epoxy cement mortar (RCH-200) or epoxy cement mortar (RCT-200) on this RFG cloth layer to form a perfect waterproof layer, and the strong tensile strength of the waterproof layer and RFG CLOTH with the sphere. Epoxy or acrylic epoxy cement mortar that semi-permanent safety of concrete structure by completely preventing permeable material on the surface of CON'C by forming cracking device and self-elastic chemical-resistant resin mortar. And to provide a waterproof, anticorrosive method using RC-HITECH).

1 is a configuration diagram showing a first preferred embodiment of the present invention

2 is a configuration diagram showing a second preferred embodiment of the present invention

3 is a configuration diagram showing a third preferred embodiment of the present invention

4 is a configuration diagram showing a fourth preferred embodiment of the present invention

5 is a configuration diagram showing a fifth preferred embodiment of the present invention

6 is a configuration diagram showing a sixth preferred embodiment of the present invention

7a to 7i is a background treatment (defect treatment) process diagram of the present invention

Explanation of symbols used in main part of drawing

1: based treatment

2, 4: waterproof mortar layer

3: reinforced fabric

6, 6 ', 6 ": solventless and solvent or water based epoxy

7, 7 ', 7 ": epoxy resin

8, 8 ': glass cloth

9, 9 ', 9 ": ozone resistant resin

Hereinafter, the present invention will be described in detail.

The present invention is to prevent the occurrence of defects from leakage and corrosion due to cracks by applying a strong crack prevention device, water-tight admixtures and waterproof and chemical resistance, synthetic polymer resins, polar monomers, epoxy resins, etc. Acrylic Epoxy Cement Mortar Repellent (RCH-200) that contains inorganic powders and Acrylic Powder made of Copolymers, Epoxy Cement Mortar Repellent (RCT-200) that contains inorganic powder and epoxy resin, and strong tensile force It is characterized by waterproofing and anticorrosive method that uses RFG cloth for crack prevention to protect clean water system and concrete structure of sewage treatment plant.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Example 1

First, as shown in FIG. 1, the surface observation of the sphere is thoroughly performed, and the surface of the concrete surface layer, the pinhole coating, and the like are removed by a wet sanding machine using a powerful spraying device (Raytans) and expanded (pinhole voids), and the honeycomb of concrete Smooth concrete surface by filling defects such as surface irregularities and steps by using the defect filler (RC-60) on the surface of the surface treated by reinforcing cracks, leaks, and water parts, and cleaning with a high pressure sprayer. After forming, the primer is applied with acrylic epoxy polymer primer (RCH-100) and epoxy primer (RCT-100) as permeable primers to infiltrate capillary blocking and pores and pores to strengthen the base of primary penetration adhesion. A process of treating (1),

Acrylic Epoxy Cement Mortar (RCH-200) or Epoxy Cement Mortar (RCT-200) is perfectly filled in the recesses and the enlarged pinhole voids with the removal of leitans so that the waterproof film can be formed precisely (brush, wooden trowel) Forming a waterproof mortar layer (2);

Laminating a crack-resistant reinforcing fabric (3; R.F.G cloth) with a strong tensile force to build the safety of the initial waterproof layer;

Then, the acrylic epoxy cement mortar (RCH-200) or the epoxy cement mortar (RCT-200) is uniformly compressed and plastered on the reinforcing fabric (3; RFG Cloth) layer to form a perfect waterproof layer, which has a strong adhesion to the sphere. It is a process of forming the car waterproof mortar layer 4 to a thickness of about 2 to 7 mm, and is a waterproof and anticorrosive method that supplements and improves the conventional method.

Looking at the ground clearance (1) operation;

The base of resin mortar should be cleaned to be free from impurities such as dust, oil, rust, etc., and it shall be installed at the joints, construction joints, uneven parts, and honeycomb parts of the formwork generated during concrete pouring, and the peeling layer of the concrete surface layer may be removed. The latans adsorption site to be formed is a strong sandblasting device of a wet sanding machine, which enlarges the pores of the pinhole area and removes the adsorbed leitans to form sandpaper-type irregularities to facilitate penetration of the first waterproof adhesive and adhesion of the waterproof layer. After this treatment, clean it with a high pressure sprayer to thoroughly remove foreign substances.

Then, the process as shown in FIGS. 7A to 7I is performed to remove the source of the defect by applying all necessary methods such as resin grouting to the crack and the leak crack, and water treatment to the water.

That is, the removal of latans and the expansion of the pinhole region (FIG. 7a) → filling the honeycomb resin mortar (FIG. 7b) → water leakage treatment of the leaked portion (FIGS. 7c and 7d) → resin grouting of the crack and the leaked crack (FIG. 7e, 7f) → joint leakage and insulation joint complementary treatment (7g) → corner portion reinforcement treatment (7h) → pipe periphery reinforcement treatment (7i).

Hereinafter, the matters before the construction of the resin mortar will be described.

One). A small amount of material should be tested and formulated prior to field formulation to determine the appropriate amount of material to add.

At this time, when workability is degraded due to rapid curing due to external environmental changes such as external temperature, an appropriate amount of additive is added to improve workability.

2). Mortar

The resin mortar is mixed by sufficiently mixing the resin mortar waterproofing agent to the aggregate mixed by the designated blending ratio.

Hereinafter, the construction method of the present invention described above is as follows.

1) Strengthen the base (apply primer)

When the background cleaning process (1) is completed, the permeable primer acrylic epoxy polymer primer (RCH-100) and the epoxy primer (RCT-100) is applied to the ground on which the background treatment is completed with a pressure sprayer or a brush or a roller.

At this time, the coating is applied so as to be uniformly sufficiently impregnated.

2) waterproofing primary

Acrylic Epoxy Cement Mortar (RCH-200) or Epoxy Cement Mortar (RCT-200) is perfectly filled in the recesses and the enlarged pinhole voids with the removal of leitans so that the waterproof film can be formed precisely (brush, wooden trowel) Combined) to form a waterproof primary layer,

3) Reinforcing fabric (R.F.G CLOTH)

Lay reinforcing fabric (R.F.G Cloth) on this waterproof primary layer to build the safety of the initial waterproof layer,

4) waterproof secondary

Acrylic epoxy cement mortar (RCH-200) or epoxy cement mortar (RCT-200) is uniformly compressed and plastered on the RFG cloth layer to form a perfect waterproof layer. Epoxy or acrylic epoxy cement mortar that semi-permanent stability of concrete structure by preventing cracks by strong tensile force and chemically resistant resin mortar having self-elasticity form a unity with sphere and completely block permeable material on CON'C surface layer. RC-TECH and RC-HITECH) are waterproof and anticorrosive methods.

Hereinafter, the defect filler (RC-60), an acrylic epoxy polymer primer (RCH-100) and an epoxy primer (RCT-100), which are base reinforcing primers, an acrylic epoxy cement mortar (RCH-200) and an epoxy resin mortar waterproofing agent The cement mortar (RCT-200) and crack-proof reinforcing woven fabric (RFG CLOTH) are as follows.

1) Defective filler (RC-60)

RC-60A (a liquid resin compound containing amorphous silica, which is strongly penetrated and adhered to capillaries, pores, pinholes, and micro cracks, is an active compound resin with excellent water resistance, excellent elasticity, and strong adhesion), and water resistance and chemical resistance. RC-60M (Portland Cement + Particulate Fly Ash + Active Compound + Silica (Silica), etc.), which is an excellent inorganic powder, is blended.

This material has the property of forming an insoluble waterproof and anticorrosive layer in water. It has strong adhesive strength with concrete. It prevents cracking due to impact or shrinkage, which is a defect of conventional mortar, and the tough waterproof membrane of this filler is cement mortar. In combination with, it prevents the capillary of entrained air layers and its chemical and abrasion resistance characteristics are applied to a wide range of applications, from concrete surface protection to strong adhesion to concrete crack repair.

2) Base reinforced primer (RCH-100, RCT-100)

RCH-100 is a low viscosity acrylic polymer made by copolymerization of copolymers such as synthetic polymers, polar monomers, epoxy resins, etc. It is a primer forming the base surface of the primary penetration bonding,

RCT-100 is a two-component epoxy resin that is specially manufactured using a room temperature curing agent such as polyamide, and combines strong adhesion with the resin mortar layer, acid resistance, alkali resistance, oil resistance, chemical resistance, water tightness, and mechanical strength. It is a primer that adsorbs on the mortar surface layer and forms the base surface of primary penetration adhesion.

3) Waterproofing mortar for secondary and secondary resins (RCH-200, RCT-200)

RCH-200 is a ply of alkaline fine powder (1 ~ 7㎛) that has an alkaline and friendly blend of inorganic powders in acrylic epoxy resin made by copolymerization of synthetic polymer resin, polar monomer, epoxy resin, etc. It is a resin mortar waterproofing material that is mixed with ash, special active material and a number of activated compounds, and silica sand (silica) is mixed). It prevents heat by increasing the fracture toughness of mortar, increasing tensile strength and increasing the strength of resin mortar. Resistant to impact, shrinkage, and chemical resistance and mortar bond elasticity, it is a material that exhibits strong waterproofing, corrosion resistance, and strong adhesion to concrete spheres.

RCT-200 is a two-component epoxy resin, a fly ash of an alkaline fine powder (1 ~ 7㎛) that has an inorganic powder (also known as Portland Cement's alkalinity and friendly mixing) in a thermosetting resin specially manufactured using a room temperature curing agent such as polyamide. And resin mortar waterproofing material mixed with special active material and a number of activated compound materials (silica mixed with silica)), increase the fracture toughness of mortar, increase tensile strength and increase the strength of resin mortar It is resistant to impact and shrinkage and exhibits strong waterproofing, corrosion resistance and strong adhesion to concrete spheres by chemical resistance and elasticity of mortar binder.

4) Reinforcing Fabric (R.F.G CLOTH)

Selected glass raw materials are melt spun at very high temperatures (thousands of hundreds of degrees) into very fine (5,6,7,9) filaments, and strands containing 50 to 800 strands of starch organic binder are collected. It is produced by weaving yarns, joints or specially processed yarns with a certain interval of warp and weft, and impregnating and compressing the acrylic emulsion resin to show its unique strength. By laminating between mortars, the tensile strength of the resin prevents the impact of the resin mortars from external impact or temperature change.

Example 2

As shown in FIG. 2, the concrete mortar of various types of sewage treatment plant or the various structures of sewage treatment plant or the sewage treatment plant is disposed on the resin mortar waterproofing layer which has performed the above-described ground cleaning (1) and waterproofing primary and secondary processes. 3 times (6) (6 ') of non-solvent type, solvent type or water type epoxy suitable for the purpose of each structure for the purpose of prevention of corrosion and aesthetic clean effect of treated water and efficiency of post maintenance by surface lubrication. (6 ") applied.

Example 3

As shown in FIG. 3, on the resin mortar waterproofing layer having the above-described ground clearance (1) and waterproofing primary and secondary processes, clean water protection and corrosion prevention are performed on columns, ceilings, and walls of various concrete structures in the water purification plant and sewage treatment plant series. Solvent-type and solvent- or water-based epoxy are applied three times (6) (6 ') (6 ") to suit the purpose of each structure.

Example 4

Clean water quality protection of roof water tanks of large-scale apartment complexes and the chemicals of various chemical tanks and sewage treatment plants on the resin mortar waterproofing layer having the above-described ground clearance (1) and waterproofing primary and secondary processes as shown in FIG. 4. Epoxy resin (FRP) (7) (7 ') (7 ") and glass cloth (8) (8) with the same tensile strength as steel sheet for corrosion protection, gas leak prevention and airtightness ') Is laminated and then applied twice (6) (6') of solvent-free and solvent- or epoxy-based epoxy to suit the purpose of each structure.

That is, the epoxy resin 7, the glass cloth 8, the epoxy resin 7 'and the glass cloth 8' are sequentially laminated, and then the epoxy resin is applied twice (6) (6 ').

※ This resin coating cloth has strong acid resistance when laminating glass cloth (8) (8 ') in the anticorrosion hole of the chemical tank of Example 4 and then applying the epoxy resin twice (6) (6'). A chemical resistant epoxy resin is applied.

Example 5

As shown in FIG. 5, the above-described ground cleaning 1 and the resin mortar waterproofing layer having undergone the first and second waterproofing processes are used for the purpose of the advanced water treatment structure such as ozone, ozone, activated carbon filter, ozone retention tank, etc. The ozone resistant resin produced by copolymerization of acrylic resin and fluororesin is applied three times (9) (9 ') (9 ").

As described above, the waterproofing and anticorrosive method using the epoxy or acrylic epoxy cement mortar of the present invention (RC-TECH and RC-HITECH) is an acrylic epoxy on the surface of concrete spheres where the reinforcement of the defective part and the ground treatment of strong impurities are completed. Strong crack-proof waterproofing and anticorrosive layer formed by finishing with cement mortar or epoxy cement mortar block the permeable material to near perfect perfection to ensure the stability of concrete structure, thereby increasing productivity and economic loss due to defects such as cracks, leaks and corrosion. In order to prevent in advance and to cope with various anticorrosion methods as an accessory process to improve the efficiency of waterproofing, anticorrosion construction for various structures, such as water purification plant, sewage treatment plant, the present invention has many economic advantages in addition to the above-mentioned. And can plan the effect The expected effect is a very excellent invention.

Claims (8)

The surface of the concrete surface layer and pinhole coating are removed with a wet sanding machine using a strong spraying device (Raytans) and expanded (pinhole voids), and reinforcing the insolvent parts such as cracks, leaks, and water parts of the concrete The surface treated with a high pressure sprayer is filled with defect parts such as surface irregularities and steps using the filler (RC-60) to form smooth concrete surfaces, and then the acrylic epoxy polymer primer (RCH-) is a permeable primer. 100) and a base coating (1) to infiltrate capillary blocking and pores and pores by applying primer as an epoxy primer (RCT-100) to reinforce the base of primary penetration adhesion; Acrylic Epoxy Cement Mortar (RCH-200) or Epoxy Cement Mortar (RCT-200) is perfectly filled in the recesses and the enlarged pinhole voids with the removal of leitans so that the waterproof film can be formed precisely (brush, wooden trowel) Forming a waterproof mortar layer (2); Laminating a crack-resistant reinforcing woven fabric (3; R.F.G cloth) with strong tensile strength to build the safety of the initial waterproof layer; Evenly compress and plaster acrylic epoxy cement mortar (RCH-200) or epoxy cement mortar (RCT-200) to form a perfect waterproof layer to make the secondary waterproof mortar layer 4 having strong adhesion to the sphere about 2 ~ 7mm thick Waterproof, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH) including the process of forming with The method of claim 1, 3 times (6) (6 ') (6 ") on the resin mortar waterproofing layer, which has been ground-cleaned and waterproofed, for the purpose of protecting clean water in drainage or purified water Epoxy or acrylic epoxy cement, characterized in that the coating is applied three times (6) (6 ') (6 ") of solvent-free and solvent-type or water-based epoxy to suit the purpose of each structure of water purification plant and sewage treatment plant. Waterproof, anticorrosive method using mortar (RC-TECH and RC-HITECH). The method of claim 1, Solvent free and solvent type suitable for pillar, ceiling, and ditch walls inside water purification plant and sewage treatment plant on the resin mortar waterproofing layer, which has been grounded and waterproofed primary process, except for reinforced fabric and waterproof secondary process. Or a water-based, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH), which is applied three times (6) (6 ') (6 "). The method of claim 1, Epoxy FRP resin (7) and glass cloth (10) with the same tensile strength as the steel sheet for the purpose of protecting the clean water quality of the rooftop water tank of a large apartment complex on the resin mortar waterproofing layer, which has undergone ground cleaning and waterproofing. ), Epoxy FRP resin (7 ') is laminated and then applied three times (6) (6') (6 ") of liquid epoxy for drinking water, which is harmless to human body and water quality, or solvent-free and solvent or water-based epoxy Waterproof, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH), characterized in that the coating three times (6) (6 ') (6 "). The method of claim 1, Epoxy FRP resin for the purpose of preventing corrosion by chemicals in various chemical tanks and preventing corrosion inside the digester of sewage treatment plants, gas leakage prevention, and airtightness on the resin mortar waterproofing layer that has undergone ground cleaning and waterproofing. ), Glass cloth (8), epoxy FRP resin (7 '), glass cloth (8'), epoxy FRP resin (7 "), and then acid resistant epoxy resin twice (6) (6 '). Waterproofing, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH), characterized in that the coating or applying a solvent-free and solvent- or epoxy-based epoxy twice (6) (6 '). The method of claim 1, Ozone-resistant resin 3 times (9) (9) (9) (9) (9) (9) (9) (9) (9) (9) ') (9 ") waterproof, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH), characterized in that the coating. The method of claim 1, Solvent-free and solvent-based or epoxy-based epoxy resins are used on the resin mortar waterproofing layer, which has undergone ground cleaning and waterproofing, to prevent oxidation and salt corrosion by the reaction of sulfuric acid and nitrogen dioxide in the coastal and industrial areas. Waterproof, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH), characterized in that the coating three times (6) (6 ') (6 "). By classifying the defects of existing structures by type and type, repair and reinforcement work can be performed by combining well-known repair reinforcement method and waterproofing and anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH). Waterproof, anticorrosive method using epoxy or acrylic epoxy cement mortar (RC-TECH and RC-HITECH), characterized in that it allows.