TW580533B - Sheet for repairing and reinforcing concrete structure and repairing and reinforcing method thereof - Google Patents

Abstract

To facilitate the operation of applying an adhesive and paint at a construction site and facilitate construction work. A sheet for repairing and reinforcing a concrete structure is provided as a lamination having a protective layer and a sticking layer. A method of repairing and reinforcing a concrete structure by sticking the sheet to the surface of the structure is provided. The side of the sheet where the protective layer exists is further laminated with a reinforcing layer made of one or more kinds of fibers selected from the group consisting of polyester fibers, polyamide fibers, vinylon fibers, carbon fibers, and polyolefin fibers.

Description

580533, Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to the repair and reinforcement of concrete structures, in more detail, to prevent the concrete of the concrete structures from cold joints or neutralization, salt damage f ^ Repair of concrete structures caused by corrosion of reinforcing steel bars or expansion of aggregates, or due to poor construction, etc., or due to poor construction, etc., or to prevent peeling or floating of the above factors, and prevent partial peeling and falling of concrete structures. Repair and reinforcement methods for materials and concrete structures. [Known technology] Although the concrete structure has been considered to have the durability of time, in recent years, the concrete of the concrete structure that has gone through the years has been cold due to cold, mild or neutral, experimental bone reaction, bed damage, Various causes of salt damage or poor construction have led to the peeling and falling of concrete sheets or water leakage caused by cracks, which have become social problems. 'When there is any concern about the separation and fall of the government soil, first, clean the concrete ^ = and then apply / fork rupture materials, reinforced rust prevention materials, cross-section repair materials, and materials according to the degree of concrete deterioration. Wait, after coating the base material, ... the bottom layer of the substrate, etc .;: flat: chemical treatment, etc., for one processing. Next, the surface coating material :, one-time processing with various coatings, architectural decorative coatings, coating film waterproofing, and forming plate, or apply adhesive after one processing, and attach woven fabric for repair or reinforcement on the adhesive ^ Or weaving cloth, and then coating the adhesive = make the coating firm, after drying and curing, coat the primer material, apply weather-resistant coating on the primer material, and perform secondary processing. Use epoxy or rubber as adhesive, use acrylic as paint

580533 5 Description of the invention (2) Acid resin, polyurethane resin, fluorine i-based tree, etc. For construction and materials, cement, silicic acid, acrylic resin, etc. are used. Seven are construction materials GRC, aluminum plate, PIC plate, etc. Use of [problems to be solved by the invention] for forming plates These operations are performed at high altitudes, so the construction period is lengthened due to heavy or maintenance. Therefore, the conditions of the curing site are difficult at the construction site and Shigudong, and it is difficult to perform quality Management, for the sake of

As for the word of mouth stipulated by the Fire Protection Sakibo, the A has problems such as excessive design of specifications. The present invention is to solve the above-mentioned problems and to complete the application. The purpose of the second step of the coating operation of the adhesive or paint on the site is to simplify and make the cover early, The construction is structured, thereby reducing the heavy labor, so that the construction worker M strives to pre-determine. Contributions and stable quality [means for solving problems] This! In order to achieve the above purpose, Mingren et al. Carried out in-depth research: 到: To the following understanding ... In the repair and reinforcement of concrete structures, as the surface coating of concrete structures, instead of woven cloth, adhesives or coatings, repeatedly ^ * 1 1 / 乂 / yw ·! ·· for painting, as a protection layer with weather resistance, antifouling and water resistance, etc., and an easy-to-adhesive layer for adhesion to the concrete surface The inner layer of the material is laminated in advance as a laminated body, and the laminated body is affixed on site, thereby reducing or shortening the repair or reinforcement chapters for preventing the concrete from peeling, and the present invention has been completed. 〃Only the present invention provides: (1) a sheet for repairing and reinforcing concrete structures

580533 V. Description of the invention (3) The body and the material are characterized by the fact that it is used as an adhesive layer that adheres to the above-mentioned concrete structure with the adhesive layer and protects the above-mentioned adhesive. And (2) a method of repairing and reinforcing a concrete structure, which is formed by a laminated body with the protective layer of the above-mentioned adhesion layer, or a laminated body further laminated with a reinforcing layer on the laminated body; and Methods Adhesive is used to bond the adhesive layer of the sheet for repair and reinforcement of the concrete structure and the surface of the concrete structure at "He Hai", so that the sheet for repair and reinforcement is attached to the concrete structure. That is, the sheet for repairing and reinforcing the concrete structure of the present invention is a laminated body in which a dull X »layer and an adhesive layer are previously laminated and processed in advance. Here, the sheet for repairing and reinforcing the concrete structure of the present invention may include a reinforcing layer in addition to the protective layer and the adhesive layer. The reinforcing layer is preferably composed of one or two or more kinds of fiber substrates selected from woven fabrics, woven fabrics, non-woven fabrics, and laminated fabrics. Among them, it is more preferable that two or more threads of the fiber substrate are crossed. A multi-directional laminated cloth laminated in a network shape is preferably one or two selected from the group consisting of polyester fibers, polyamide fibers, Venyron fibers, carbon fibers, glass fibers, or polyolefin fibers. More than one kind of fiber. In the above-mentioned laminate, the protective layer is preferably made of a resin selected from the group consisting of fluorine-based resin, acrylic acid-based resin, acrylic silicon-based resin, acrylic fluorine-based resin, silicon-based tree + objective I, polyurethane, and objective resin. It is preferable that the synthetic resin layer composed of one or two or more synthetic resins in the series resin has a photocatalytic layer on the surface of the protective layer. Furthermore, in the above-mentioned laminated body, the adhesive layer is preferably made of a material selected from woven fabrics and knitted fabrics.

Description of the invention on page 6 (4) One or two or more kinds of fiber bases among woven fabrics, chair structures, non-woven fabrics, laminated fabrics and papers. As such a fiber base material, it is preferably selected from polyester fibers, poly One or two or more types of fibrous substrates, such as woven vinyl, vinylon fibers, carbon fibers, glass fibers, or polyolefin fibers. Yes, and 'Characteristics of the method for repairing and reinforcing concrete structures of the present invention are shown in Table 2. The adhesive layer of the sheet and the concrete structure described in (1) of the concrete structure are described in (1). Sheets for repair and reinforcement of objects ★ On existing concrete structures. In it, choose the adhesive for the adhesion layer and the surface of the concrete structure.

# Optional white: A rubber-type clothing oxygen adhesive, polyurethane-based adhesive, silicon-based adhesive, bonding, mixture, vinyl vinegar-based adhesive, polyester-based adhesive, polymer 1 type Among the adhesives of the present invention and the polyolefin-based adhesives, two or more of these adhesives are used. In the sheet B of the protective layer B ', it is preferable that at least one end portion thereof is formed with a connecting portion that removes at least the lower band shape. The present invention is explained in more detail. Douzu 4 concrete sheet used for repair and reinforcement of concrete structures

V V. Covering, ^ ^ In the repair and reinforcement method, 'as the surface coating of concrete structures, and shore using woven or woven cloth, adhesives or coatings to repeatedly layer materials and will be used to easily and concrete surface bonding The inner layers of the attached adhesive layer are laminated in advance as a material for weatherproofing, antifouling, water resistance and salt resistance, etc. as a laminated body. The 4-layer body can make repairs or repairs, reductions, and shortenings to prevent spalling of concrete, and can stabilize the quality.

580533 V. Description of the invention (5) There is a body on the layer of the present invention. Limitations of cascading compensation. If the reinforcing layer is in the form of a layer, it is preferable that the reinforcing layer of the sheet strengthens the layer of the reinforcing layer. As long as the reinforcing layer is formed, there is no special fiber structure when the material is peeled off. Ground immersion is used to prevent mixing. Therefore, in the case where the fiber cloth and laminated cloth reinforced from such a mixture are immersed in such a fiber, the position of the strong layer on the side (inner side) of the layer adhesion layer thus formed is as long as The sheet of I Ming fills the inner side of the attached layer from the reinforced shell, and is then supplemented. In addition, as described later, manufacturing can be facilitated. In order to prevent the breakage of the present invention and improve the physical strong physical strength, the protective layer and one of the concrete sheets are peeled off. Under the circumstances, it can withstand the weight limit, and we can use woven fabrics, woven fabrics, grease or metal sheets.材 等。 Materials and so on. The sheet will be placed on the concrete / shell to the adhesive layer, and the adhesive will be peeled off or dropped. When the reinforcement layer is laminated, the construction layer is better. From the viewpoint, the reinforcing layer is excellent in the substrate, in which the reinforcing layer is composed of one or two or more dimensional substrates, and is preferably selected from the group of acoustic crystals = strong. There is no special order structure on the inner side of the laminated layer relative to the protective strong layer. From the point of view of materials, the strong layer is indeed integrated with the adhesive, such as the reinforcing layer is located on the protective layer and the μ soil-reducing structure to be patched for the purpose of repair and degree. The subsidy additional layer is laminated with the adhesive one or two or the other The layer of the concrete sheet 1 is prevented from falling off, and it is preferable that the adhesive for the fiber-based sticking of the resin, inorganic material, natural non-woven fabric, laminated cloth, and the like used in the construction and the bonding layer are integrated. It is better to select a point selected from woven fabrics, woven fabrics, and non-woven fibrous substrates for easy absorption of construction points. Used as polyester fiber, polyamide fiber,

580533 i. Description of the invention (6) Vinylon fiber, carbon fiber, glass fiber or two or more types of fibers. Among these fibers, light and strong fibers, polyamide fibers, and vinylon fibers can be blended or laminated in multiple layers. In addition, from the above point of view, as the fiber woven fabric, non-woven fabric or laminated fabric (spunbond), melt blown or needle-punched monofilament or multifilament or short fiber, two or more Overlapping threads. Among them, when a multi-directionally laminated layer is opened on the inner side of the adhesive layer, the adhesive for simultaneous application during construction passes through the adhesive layer. In addition, when the reinforcing layer is present, the sheet of the present invention is used as a laminate to apply an adhesive for lamination, and the lamination pressure is laminated by the layers, so that the lamination eye can easily reach the adhesive layer, so it can be passed with fewer steps. In addition, in the case where the adhesive layer and the additive are used, the reinforcing layer is easily absorbed and laminated in such a manner that the lamination dimension or the polyolefin fiber coated on the protective layer is excellent in one degree. Ester fibers and polyolefin fibers are particularly good. It is not used for vertical and horizontal yarns, and can also be laminated with synthetic resin layers. The form of the substrate is preferably a woven fabric or a woven fabric. Specifically, non-woven fabrics made of spunbond, woven long-spun woven fabrics, or woven fabrics can be mentioned, and multidirectional layered fabrics which are laminated in a network form are also preferable. The reason is that when the reinforcing adhesive is sufficiently impregnated into the mesh of the multi-layer laminated fabric of the reinforcing layer, it is easy to make the film of the protective layer make the reinforcing layer inside and adhere when it is between the protective layer and the adhesive layer. The adhesive passes through the net of the multi-directional laminated fabric in one pass, and the two are laminated. There is no adhesive for lamination for lamination between strong layers. Furthermore, the adhesive is adhered to the mesh portion of the multi-layer laminated cloth like the attached layer, so the mesh

580533

As long as the desired opening can be obtained, the adhesion strength of the three-strand adhesive layer is small, as long as it does not hinder the formation of the layer. It is good, but even the mesh and the reinforcing layer have weak adhesion. ， 本 发; This is because even the bonding agent can make the 4 months of sheeting of COSMOS through construction during construction: 1 to make the adhesive layer and the reinforcing layer firmly adhere. For such multi-directions, right-direction meshes or gluing ^ 雒 列 〇 You can use three wires to bond two points of warrihu (7 '7) (Nishiishi Chemical Co., Ltd. 4 bidirectional vertical cross-lamination) Cloths, etc. use a laminated fabric of more than two silk parent points. In the middle, the two-dimensioned m ^, ^ π ^ + " Multi-directional laminated fabrics of more than two directions are not only right "but also from multiple directions such as oblique direction, so It is better. 'K good attack ^ reinforcement θ, if it is the strength of the entire sheet for repair and reinforcement of the present invention, as long as a part of the concrete structure is peeled, the strength can ensure the process of supporting the peeled concrete sheet. &, there is no restriction on the strength of the reinforcing layer itself, but in the stamping test specified by the Japan Road Corporation, it is preferably 150,000 or more when the displacement is 100 mm or more, and only the protective layer and the adhesive layer In the case where the layer body meets the above strength range, it is not necessary to provide a reinforcing layer. In addition, the thickness and rigidity of the sheet described in this specification are not limited, and include thin and flexible films or high rigidity的 板状 体。 Moreover, its shape It can be a single sheet or a roll-shaped winding. In the above-mentioned laminated body, the 'protective layer' is used to prevent the layer formed by the adhesive and the adhesive layer from being integrated when the sheet of the present invention is applied. 'External factor damage' is an outer layer having functions such as weather resistance, stain resistance, water resistance, and salt resistance. Therefore, the 'protective layer' is preferably made of a material selected from fluorine-based resins and acrylics.

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580533 V. Description of the invention (8) Synthetic resin layer composed of one or two resins of dilute acid resin, acrylic acid resin, fluorinated fluorinated tree, polyurethane resin and chlorine resin . Although these resin layers are formed by laminating and melting the resin during stacking, if the laminating operation using a pre-molded strong layer and an adhesive layer is facilitated, it is preferable that the resin-forming layer may be composed of a mixture of a plurality of synthetic resins. Layers. In addition, from the viewpoint of preventing the adhesion of dirt, the protection a has a net function of a photocatalytic layer formed of a metal oxide such as titanium oxide. Sheets for repair and reinforcement of concrete structures are contaminated during construction, or are often damaged or damaged. Therefore, in order to prevent the above-mentioned pollution, damage or damage, the companion nozzle is caused by polyester films such as glycol ester (PET) and nylon. Polyolefine films such as polyamide 6 or polypropylene are coated with a peelable masking film that is micro-bonded with an adhesive such as acrylic. When repairing and reinforcing sheets are used, heating is used to improve the construction. A PET film that is crimped with the fluidity of an adhesive and is therefore excellent in properties and strength. In addition, the adhesive for construction is adhered to the protective layer of the adjacent sheet from the end of the sheet of the present invention under heating, but such a situation can be avoided by laminating and shielding. It forms an adhesive layer of a peeling masking film, in order to prevent the repair and reinforcement sheet from being hardened due to covering, and reduces the randomness during construction ', and to degrease the masking film after construction, a silicon-based tree The above synthesis can of course be added in a thin film. These are laminated in multiple layers on the outside with a surface layer in a self-cleaning operation, with a benzyl dicarboxylate film or a polyethylene or rubber film. Among them, a roller or a soldering iron is preferably a heat-resistant roller, etc. 'Extruded, often a film, which can shield the layer of the film.

C: \ 2D-C0DE \ 91-03 \ 90132749.ptd Page 11 V. Description of the invention (9) Gu Yi, preferably in the form of a mesh, for example, " " = ΐ ί 'In order to make the peeling start ~ ΐ 二A part of the bonding pattern such as a Γ shape is provided with a crevice or a slit eyelet, or a part of H is easy, and an auxiliary means for starting the peeling can be added to the masking film. The paper tape is laminated to make the adhesive of the station integrated in the above-mentioned laminated body to become a part of the adhesive affinity g θ = used when the adhesive is used in the bonding process with the concrete structure. In the body, there is no layer splitting, or it is easy for the adhesive to immerse the concrete when the layer is fully integrated. Thereby, the adhesion layer and the substrate can be prevented from being selected from woven fabrics, woven fabrics, and other fabrics. From the viewpoint of 3, it is preferable to construct, as the fiber base material, the fiber base fiber in the cloth and paper, polyester fiber, $ 醯 ^: natural glass fiber and polyolefin such as J self-pulp, #, and hemp Among the fibers, fiber, silk, soil nylon fiber, carbon fiber, glass fiber may be mixed with #, or may be composed of two or more kinds of fibers. This can be laminated into multiple layers. Paper can also be used in silk and horizontal yarns, and even among these, processing = 5 processing. In terms of degree, it is preferable that the eye holes are thick, the process of the agent H is easy to penetrate and immerse, and the shape of the fin is particularly excellent, iP I dry type, spunbond, melt-blown type, etc., clothing I Temple non-woven or woven Cloth, laminated cloth, etc. However, the same fiber base material as the above-mentioned reinforcing layer was used for the buckle and the port :: I3. If the fiber base material of the second and second heading 5 is used, the adhesive layer may also be used as a reinforcing layer or all of them, so that the sheet for repair and reinforcement can be thinned and softened, which is preferable. Further, in the sheet of the present invention, if the protective layer is removed strip-shaped at at least one end thereof to form a connection portion exposing the adhesive layer and / or the reinforcing layer, for example,

Page 12 C: \ 2D-00DE \ 91-03 \ 90132749.ptd 580533 V. Description of the invention (10) When several single sheets of the present invention are used side by side, the ends of the protective layer are butted against each other, even if Attachment to a concrete structure can also allow the attachment layer and / or the reinforcement layer to sneak underneath the adjacent sheet. Construction in this state 'does not reduce the effect of repairing and reinforcing the concrete structure at the junction between adjacent pieces. From such a viewpoint, since the predetermined adhesive strength of each sheet is secured in the adhesive layer, it is preferable to leave only the reinforcing layer in consideration of the impregnation of the adhesive for construction.

Furthermore, the present invention provides a method for repairing and reinforcing a concrete structure, characterized in that the sheet for repairing and reinforcing the concrete structure described above is adhered to the surface of the concrete structure with an adhesive.

The method for repairing and reinforcing a concrete structure according to the present invention is to integrate at least an adhesive layer and an adhesive of the sheet for repairing and reinforcing the concrete structure as described above and attach the concrete structure to the concrete structure. When attaching, it is preferable to use a heating or soldering iron to improve the fluidity of the construction adhesive for crimping. Through such a construction, 'the adhesive is fully immersed in the adhesive layer and the reinforcing layer, and the air in the adhesive layer can be expelled', thereby improving the adhesive strength in the south. In addition, when several sheets of the sheet material of the present invention are used side by side, although the end portions of the sheet materials may be overlapped with each other, the end portions of the sheet materials are not overlapped with each other but are attached to the ground. On the concrete structure, there are no convexities and concaves to make the appearance beautiful after construction. In this case, if at least one end of the sheet is used, at least one of the protective layers is strip-shaped to form a connecting portion, the adhesive layer and / or the reinforcing layer can be allowed to sneak into the adjacent sheet. Below, it is preferable. Here, as the adhesive layer for construction, it is preferably selected from epoxy-based adhesives.

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JOKJJJJ V. Description of the invention (11) Agent, polyurethane adhesive, stone adhesive acid adhesive, polymer adhesive system: rubber adhesive, acrylic polyacetate adhesive, and polyolefin adhesive: B An adhesive layer composed of a thin I-based adhesive and a mixture. "One or two or more kinds of adhesives are used to obtain high adhesive strength. Adhesives. J. If it is a curing adhesive" "The curing agent is preferably a curing type of thermosetting type, moisture curing type, and electric type. It is a room temperature curing type and a curing method with increasing amount. There is no method of optimizing. There can be more than two kinds of layers, such as lines, visible light, etc. That is, the limitation of ^. These adhesives have a high degree of layer and excellent weather resistance. Among the ring-producing adhesives, a strong epoxy-based adhesive, particularly J 糸 adhesive, is preferred, and a two-liquid curing type [Embodiment of the invention]: Surface: The embodiment of the present invention will be described with reference to the drawings.

A cross-sectional view of one embodiment of the sheet for repairing and reinforcing a concrete structure according to the present invention. W This sheet is laminated in the following order. First, a polyurethane-based two-liquid curing adhesive (solid content conversion: about 3 to 50 g / m2) is applied to a polyvinyl fluoride film (thickness of about 20 to 50) as a protective layer}. ), And dried, and stacked with a three-dimensional vinylon three-way mesh of reinforcing layer 3 (so that the multifilament of about 800 to 4,000 denier becomes a regular triangle with a side of about 10 to 40 mm Three-way laminated fabric cross-bonded with a mesh) and a spunbond non-woven fabric (approximately 2 to 70 g in weight) composed of polyS fibers as the attachment layer 4 to form a dry stack as a whole Sheets for repair and reinforcement of concrete structures

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580533 V. Description of the invention (12) * " ''-Material 1 00 Nie-type lean: ® crystal, melt extrusion and other methods to form, but can also use dry layers 3V 0, S $, thermal lamination, etc. Methods: The formed film is laminated on the reinforcing layer 3 or the adhesive layer 4. ,,,,, 2; Table 2 is an embodiment of the above-mentioned concrete structures for repair and reinforcement sheet construction on the surface. The repair and reinforcement work is performed in the following order. -First, the surface of the concrete structure 6 is treated with a disc sander, etc., and then leveled, and then a primer is applied, and after drying, the main cloth on this surface is bonded as an epoxy resin for construction adhesive 5 Agent. On this surface, it is affixed by means of the adhesive layer 4 of the sheet 10 for repairing and reinforcing the concrete structure. The construction adhesive 5 is impregnated into the adhesive layer 4 and solidified, and the sheet 10 for repairing and reinforcing the concrete structure is firmly adhered to the surface of the concrete structure 6. Fig. 3 is a sectional view showing another embodiment of a sheet for repairing and reinforcing a concrete structure according to the present invention. This sheet is laminated in the following order.

First, using a laminating adhesive 2 (polyurethane-based two-liquid curing adhesive, solid content conversion of 3 to 5 g / m2), a polyvinyl fluoride film (a phase " ^ with the picture!) And a low-density polyethylene film for reinforcement (Thickness about 15-50 / ZΠ1) Dry-lamination is performed to form the protective layer 1. Next, the protective layer 1 and the vinylon three-way mesh (the same as in FIG. 1), which is a strong layer 3, are extruded with a laminating adhesive 2 (about 15 to 100 μm of low-density polyethylene). Laminated, same day ^

\\ 312 \ 2d.code \ 91-03 \ 90132749.ptd Page 15 580533 V. Description of the invention (13) Laminating adhesive 2 (low density polyethylene 1 5 ~ 1 0 0 // m) The spunbond non-woven fabric (the same as in FIG. 1) of the adhesive layer 4 is extruded and laminated to form a sheet 10 for repairing and reinforcing the concrete structure as a whole. Fig. 4 is a different side view of the construction and repair of the concrete structure of Fig. 3 on the surface of the concrete structure in the same manner as in Fig. 1; Fig. 5 is a cross-sectional view showing that the protective layer 1 and the adhesive layer 4 at the ends of the repairing and reinforcing sheet 10 of the present invention are strip-shaped and only the reinforcing layer 4 remains and is exposed.

FIG. 6 is a cross-sectional view showing a state in which the sheet for repair and reinforcement of the present invention shown in FIG. 5 is attached to the concrete structure 6. The reinforcement layer 3 sneaks into the burial of the repair and reinforcement sheet 10 and between the attachment layer 4 and the concrete structure 6, and reinforces the boundary between the adjacent repair and reinforcement sheet 10. The sheet for repair and reinforcement of the present invention shown in FIGS. 1 to 6 and the method for repairing and reinforcing the material are applied to the surface of a concrete structure by applying a ring-shoulder resin adhesive, attaching a fiber substrate, and then coating the same. Adhesives are not inferior to the existing methods of repairing and reinforcing the base coat and weather-resistant coating after the coating is firm, dried and cured.

The present invention is not limited to the above structure, for example, the repair and reinforcement $ sheet of the present invention, in addition to the above, may also have the following structure: • "I ethylene, film / adhesive / aromatic polyamine mesh woven fabric • Polyfluorinated vinyl film / adhesives / low-density polyurethane / vinylon mesh / PET non-woven "4 thin film / extruded polyethylene. Polyvinyl fluoride film / adhesive / low density polyethylene film / extruded polyolefin / polyethylene Vinyl mesh / extruded polyethylene / pET nonwoven

580533 V. Description of the invention (14) ---- • Polyfluoroethylene film / adhesive agent / aromatic polyamine non-woven • Polyfluoroethylene film adhesive agent / low density poly / PET non-woven film / extruded polyethylene • PTFE film / adhesive / PET non-woven fabric • PTFE film / adhesive / PET non-woven fabric • PTFE film / adhesive / Vinyl non-woven fabric. In addition to polyvinyl fluoride, the film forming the protective layer: Of course, you can choose polytetrafluoropinene divinyl-hexafluoropropylene copolymer, tetrafluoroethylene-perfluoroalkyl ethyl ether, Fluorine-based films such as polytrifluorochloroethylene, polyvinylidene fluoride, ethylene-tetrafluoroethylene co-dimer diene-digas chloroethylene copolymers, etc., you can also choose to use polyethylene gas film or acrylic film Wait. [Effects of the invention] 1. The sheet for repairing and reinforcing the concrete structure of the present invention is pre-processed, so that sufficient quality management can be performed, and stable repair can be provided. In addition, the repair and repair of the concrete structure of the present invention is L $% ® ^ ^ ^ The repair of the concrete structure of the present invention is affixed to the work site, so this can reduce the on-site operation, shorten the construction period, and reduce the cost of labor. / χ »U ^ ^ Approx. ^ Provides repair and reinforcement methods of the same quality as before, or above the same level. [Description of component number] Loose 1 Protective layer 2 Laminating adhesive 3 Reinforcing layer 4 Adhesive layer

580533 V. Description of the invention (15) 5 Adhesives for construction 6 Concrete structure C: \ 2D-mDE \ 91-03 \ 90132749.ptd Page 18 580533 Brief description of the diagram Figure 1 疋 shows the concrete structure of the present invention. Sectional view of one embodiment of the sheet for repair and reinforcement. Fig. 2 is a sectional view showing an embodiment in which a sheet for repairing and reinforcing a concrete structure according to the present invention is constructed on the surface of the concrete structure. Fig. 3 is a sectional view showing another embodiment of a sheet for repairing and reinforcing a concrete structure according to the present invention. Fig. 4 is a sectional view showing another embodiment in which a sheet for repairing and reinforcing a concrete structure according to the present invention is constructed on the surface of the concrete structure. m r a ^ ^, α Μ, sundial sincerity, sheet for repair and reinforcement of firearms Fig. 5 shows the invention; ^ 戌 is a cross-sectional view of another embodiment of earthen structure. * η 2 田田 η fifi s master-recognizes the 0th day of the repair and reinforcement of the 丄 造 造 造 造 / 图 图 Figure 6 将 shows the / rotation structure of the present invention, k > such as ll ^ ^ A cross-section of another embodiment of the construction is performed on the surface of a concrete structure > j θ κ plan view. ___ ^

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Claims (1)

580533 1 • An adhesive for supplementing a concrete structure is attached to a lower part of the concrete structure, and the sheet for reinforcement is characterized in that the agent is integrated, and the adhesive layer is used to attach the sheet and protect the above. Adhesive stacks. Sheet for repair and reinforcement, which is repaired by making concrete possible to peel and / or drop concrete structure, and / or the above-mentioned sheet has the above-mentioned adhesive agent and the above-mentioned adhesive and the above-mentioned adhesive The layer of the protective layer of the layer 2. The sheet for repairing and reinforcing the concrete structure as described in item 1 of the scope of the patent application, wherein the sheet is laminated and improved on the side where the attachment layer is located relative to the protective layer. A laminate of a reinforcing layer for the physical strength of the sheet. • The sheet for repairing and reinforcing concrete structures such as the item 2 in the scope of patent application, wherein the reinforcing layer is one or two or more kinds of fiber substrates selected from woven, woven, non-woven and laminated fabrics . 4. The sheet for repairing and reinforcing concrete structures such as item 3 of the scope of the patent application, wherein the fiber base material is a multi-directional laminated cloth in which two or more wires are intersected into a mesh shape and laminated. 5 · As for the sheet for repairing and reinforcing concrete structures according to item 3 or 4 of the scope of patent application, wherein the fiber base material of the reinforcing layer is selected from polyester fiber, polyamide fiber, vinylon fiber, and broken fiber Fiberglass, polyolefin fiber, or one or more fibers. 6 · If the sheet for repairing and reinforcing concrete structures according to item 1 or 2 of the patent application scope, wherein the protective layer is selected from the group consisting of fluorine-based resin, acrylic resin, polyurethane resin, acrylic silicon resin, and Shi Xi Resin and gas C: \ 2D-CODE \ 91-03 \ 90132749.ptd Page 20 580533 VI. One or two or more resins in the scope of patent application 7. If the scope of the patent application, the strong sheet & + 'In the above protective layer :: Overlay ::: Supplementary and supplementary 8 · If item 1 or 2 of the scope of patent application :: ,,,,;: M' Special '. Strong sheet, in which the above-mentioned chemical clay structure is repaired and replenished 9. If the patent application scope No. 丨 or 2 has the first catalytic layer of strong sheet, of which, # #, this reduced soil Structural repairs and reinforcements: Sheng Tianyun: The above-mentioned attachment layer is selected from woven fabrics, losers, and Fujisaki. Layers ^: cloth and paper towels = cloth not, I 10. If the towel please patent scope 9 = substrate . Free sheet material, in which, Bu, +, #, the / repair and reinforcement of earthenware structure. The fiber base material of the upper reattachment layer is selected from the group consisting of fiber, polyester fiber, and polyamide. Fiber, vinylon fiber, and protective 2 U-shaped fiber, i-type of quasi-dimensional, polyolefin fiber is diyiwei, glass fiber 11 'is composed of ★ main * but not more than Z kinds of fiber. 1 The concrete structure of the 1st and 2nd patent scope, &# 7 t ϋ 佟 and the sheet for reinforcement, in which the repair and repair of the structure above the soil, +: 4 ^ μ m, au, the sheet To the v-end portion forms a connecting portion that removes at least the T-shape of your edge layer. 12. The repair and reinforcement side A5 of this 'rotate earth structure', on the surface of the structure, the sheet for repair and reinforcement of the scope of patent application is attached to the concrete structure 4 12 ^ ^ ^ ^ ^ ^ ^ ^: Mixture: Li 2 adhesive is selected from the group consisting of: 氡 series adhesives, polyurethane 糸 adhesive tablets 丨 silicon 糸 adhesives, rubber-based adhesives, 7 jealous preparations, poly acetic acid 糸 adhesives, One of polymer adhesives & agent years & Tv Hungry is one or more of two kinds of adhesives among ruthenium i Γ sprue interface d 糸 adhesives, acrylic adhesives Chuansuene ene k 糸 adhesives. C: \ 2D.mDE \ 91-03 \ 90132749.ptd Page 21