Composite panel for reparing, reinforcing con'c body and method of using the same

Abstract

Disclosed are a panel for repairing and reinforcing a concrete body, a multi-purpose anchor, an anchor for level adjustment and injection a method for repairing and reinforcing the concrete body using the same, which can connect adhesives and anchors at weak parts of the concrete body, which is neutralized, aged, deteriorated, cracked due to water leakage, or segregated, or at parts requiring the repair and reinforcement due to a change in use environment. The composite reinforced panel includes lightweight concrete, high strength concrete or a steel plate and reinforcing means, thereby being effectively prevented from bad environments causing a drop of reinforcing capacity, providing good heatproof and fireproof properties, and maximizing merits of materials used as the reinforcing means. The multi-purpose anchor has a bolt and an injection pipe, fixes the panel to the concrete body effectively, serves as a spacer maintaining a prescribed interval between the panel and the concrete body, and serves to inject filler and discharge the inside air to the outside, thereby improving construction efficiency. The anchor for level adjustment and injection has a male screw and a female screw at an end and an injection pipe of a straw type, thereby improving the construction efficiency when the concrete panel is installed.

What is claimed is:  
     
         1 . A composite panel for reinforcing a concrete body, comprising: 
 a steel plate of a prescribed size;    an impregnable adhesion layer formed on an upper surface of the steel plate;    a reinforced fiber mounted on the upper surface of the steel plate and impregnated and adhered by the impregnable adhesion layer; and    powder sprayed on the upper surface of the steel plate and impregnated and adhered on the surface of the impregnable adhesion layer.    
     
     
         2 . The composite panel according to  claim 1 , further comprising: 
 an adhesion layer formed on a lower surface of the steel plate; and    a precast concrete panel of a prescribed size adhered by the adhesion layer.    
     
     
         3 . The composite panel according to  claim 2 , wherein the precast concrete panel is a lightweight precast concrete panel using lightweight aggregate.  
     
     
         4 . The composite panel according to  claim 3 , wherein when the lightweight precast concrete panel is cut in the form of a flat rectangle, the composite panel for reinforcing the concrete body of  claim 1  is cut in the same size as the lightweight precast concrete panel to be connected with the lightweight precast concrete panel, or cut larger than the lightweight precast concrete panel and has a protrusion at one side of four sides, two protrusions at opposite sides, three protrusions at three sides except one side, or four protrusions at all sides to be connected with the lightweight precast concrete panel.  
     
     
         5 . The composite panel according to  claim 1 , wherein the reinforced fiber is at least one of carbon fiber, glass fiber and aramide fiber, or is formed by stacking one of carbon fiber, glass fiber and aramide fiber, by composing at least two or more of carbon fiber, glass fiber and aramide fiber, or by composing and stacking at least two or more of carbon fiber, glass fiber and aramide fiber.  
     
     
         6 . A composite panel for reinforcing a concrete body, comprising: 
 a reinforced fiber of a prescribed size;    an impregnable adhesion layer formed on an upper surface of the reinforced fiber;    a steel plate mounted on the upper surface of the reinforced fiber and adhered by the impregnable adhesion layer; and    powder sprayed, impregnated and adhered on the upper surface of the steel plate.    
     
     
         7 . The composite panel according to  claim 6 , further comprising: 
 an adhesion layer formed on a lower surface of the reinforced fiber; and    a precast concrete panel of a prescribed size mounted on the lower surface of the reinforced fiber and adhered by the adhesion layer.    
     
     
         8 . The composite panel according to  claim 7 , wherein the precast concrete panel is a lightweight precast concrete panel using lightweight aggregate.  
     
     
         9 . The composite panel according to  claim 8 , wherein when the lightweight precast concrete panel is cut in the form of a flat rectangle, the composite panel for reinforcing the concrete body of  claim 6  is cut in the same size as the lightweight precast concrete panel to be connected with the lightweight precast concrete panel, or cut larger than the lightweight precast concrete panel and has a protrusion at one side of four sides, two protrusions at opposite sides, three protrusions at three sides except one side, or four protrusions at all sides to be connected with the lightweight precast concrete panel.  
     
     
         10 . A composite panel for reinforcing a concrete body, comprising: 
 an upper steel plate of a prescribed size;    a lower steel plate of a prescribed size;    an impregnable adhesion layer formed on an upper surface of the upper steel plate;    a reinforced fiber mounted on the upper surface of the upper steel plate and impregnated and adhered by the impregnable adhesion layer;    an adhesion layer formed on an upper surface of the reinforced fiber;    the lower steel plate adhered by the adhesion layer formed on the upper surface of the reinforced fiber;    an adhesion layer formed on the surfaces of the upper and lower steel plates; and    powder sprayed and adhered on the adhesion layer formed on the surfaces of the upper and lower steel plates.    
     
     
         11 . The composite panel according to  claim 10 , further comprising: 
 an adhesion layer formed on a lower surface of the lower steel plate; and    a precast concrete panel of a prescribed size adhered on the lower steel plate by the adhesion layer.    
     
     
         12 . The composite panel according to  claim 11 , wherein the precast concrete panel is a lightweight precast concrete panel using lightweight aggregate.  
     
     
         13 . The composite panel according to  claim 12 , wherein when the lightweight precast concrete panel is cut in the form of a flat rectangle, the composite panel for reinforcing the concrete body of  claim 10  is cut in the same size as the lightweight precast concrete panel to be connected with the lightweight precast concrete panel, or cut larger than the lightweight precast concrete panel and has a protrusion at one side of four sides, two protrusions at opposite sides, three protrusions at three sides except one side, or four protrusions at all sides to be connected with the lightweight precast concrete panel.  
     
     
         14 . A composite panel for reinforcing a concrete body, comprising: 
 a steel plate of a prescribed size;    an impregnable adhesion layer formed on an upper surface of the steel plate;    an upper reinforced fiber mounted on the upper surface of the steel plate and impregnated and adhered by the impregnable adhesion layer;    powder sprayed, impregnated and adhered on an upper surface of the upper reinforced fiber;    an impregnable adhesion layer formed on a lower surface of the steel plate;    a lower reinforced fiber mounted on the lower surface of the steel plate and impregnated and adhered by the impregnable adhesion layer; and    powder sprayed, impregnated and adhered on a lower surface of the lower reinforced fiber.    
     
     
         15 . The composite panel according to  claim 14 , further comprising: 
 an adhesion layer formed on a lower surface of the lower reinforced fiber; and    a precast concrete panel mounted on the lower portion of the lower reinforced fiber and adhered by the adhesion layer.    
     
     
         16 . The composite panel according to  claim 15 , wherein the precast concrete panel is a lightweight precast concrete panel using lightweight aggregate.  
     
     
         17 . The composite panel according to  claim 16 , wherein when the lightweight precast concrete panel is cut in the form of a flat rectangle, the composite panel for reinforcing the concrete body of  claim 14  is cut in the same size as the lightweight precast concrete panel to be connected with the lightweight precast concrete panel, or cut larger than the lightweight precast concrete panel and has a protrusion at one side of four sides, two protrusions at opposite sides, three protrusions at three sides except one side, or four protrusions at all sides to be connected with the lightweight precast concrete panel.  
     
     
         18 . A lightweight precast concrete composite reinforced panel used in a reinforcing construction of a concrete body, the composite panel comprising: 
 a lightweight precast concrete panel including a lightweight concrete layer, a reinforced glass fiber mesh of a net type mounted inside the lightweight concrete layer, and water soluble cement group, polymer cement group or polymer group resin layer contained in the lightweight concrete layer, the lightweight precast concrete panel being formed through a natural cure and a forced cure in order, the lightweight concrete layer being formed by mixing one of perlite, filite, celite, ALC aggregate and ALC crusher run aggregate, water and cement; and    concrete body reinforcing means adhered and connected to a surface of the lightweight precast concrete panel.    
     
     
         19 . The composite panel according to  claim 18 , wherein the concrete body reinforcing means includes: 
 thermosetting resin coated on the lightweight precast concrete panel; and    an inorganic group reinforced fiber sheet impregnated into the thermosetting resin, cut and jointed in the same size as the lightweight precast concrete panel, or cut larger than the lightweight precast concrete panel and protrudingly jointed with the lightweight precast concrete panel.    
     
     
         20 . The composite panel according to  claim 19 , wherein the inorganic group reinforced fiber sheet is selected from at least one or more kinds of one-way woven aramide fiber sheet, prepreg type one-way woven carbon fiber sheet, cross type woven carbon fiber and glass fiber sheet, stacked in at least one or more layers, wherein if there is direction of woven fiber of the reinforced fiber sheet, the inorganic group reinforced fiber sheets are stacked and jointed in the same direction without regard to stacked number and stacked order thereof, and wherein the inorganic group reinforced fiber sheets are impregnated and jointed into the thermosetting resin whenever the reinforced fiber sheet is stacked.  
     
     
         21 . The composite panel according to  claim 20 , wherein when the lightweight precast concrete panel is cut in the form of a flat rectangle, the reinforced fiber sheet is cut in the same size as the lightweight precast concrete panel to be connected with the lightweight precast concrete panel, or cut larger than the lightweight precast concrete panel and has a protrusion at one side of four sides, two protrusions at opposite sides, three protrusions at three sides except one side, or four protrusions at all sides to be connected with the lightweight precast concrete panel.  
     
     
         22 . A lightweight precast concrete panel for improving weatherproof and fireproof properties of a concrete body reinforced by a reinforcing method using a reinforced fiber sheet, the lightweight precast concrete panel comprising: 
 a lightweight concrete layer formed by mixing cement, lightweight aggregate and water; and    a reinforced glass fiber mesh stacked and integrated into the lightweight concrete layer, the reinforced glass fiber mesh being formed by impregnating a glass fiber mesh into an impregnable adhesive and spraying and hardening silica sands or blast furnace steel slag.    
     
     
         23 . A method of installing a lightweight precast panel, the method for additionally reinforcing a concrete body reinforced by a reinforcing method using a reinforced fiber sheet to improve fireproof property or for forming a beautiful finished surface on the concrete body requiring refinish due to a bad outward appearance, the method comprising the steps of: 
 removing foreign matters from a surface of the concrete body;    checking error of the surface of the concrete body and supplementing the surface;    coating an adhesive or mortar on the surface of the concrete body and a surface of the lightweight precast panel of  claim 22  and adhering the lightweight precast panel to the concrete body; and    digging joints between the lightweight precast panels and performing a pointed joint work.    
     
     
         24 . A lightweight precast concrete composite reinforced panel used in a reinforcing construction of a concrete body, the composite panel comprising: 
 a lightweight precast concrete panel of  claim 22;  and    a reinforced fiber impregnated panel or a prestressed reinforced fiber composite panel adhered and stacked on an upper surface of the lightweight precast concrete panel.    
     
     
         25 . A multi-purpose anchor comprising: 
 an insert of a cylindrical shape, the insert including a body part and a head part, the body part having a plurality of holes ( 212 ) formed on an outer circumference, the body part having an end having a female screw and the other end split into several sections, the head part formed at the end on which the female screw is formed protruding from the body part and having a prescribed thickness;    an expanding tool inserted into the insert and having a hollow part vertically passing therein, the expanding tool having a size and a shape capable of expanding the diameter of the insert;    a bolt having a body part, a head part extending from an end of the body part and having a diameter larger than that of the body part, and a hollow part vertically passing the center of the body part and the head part, the body part having a male screw coupled with the female screw of the insert and a plurality of holes, the hollow part being connected with the holes of the body part and having a female screw formed on an inner circumference of the head part; and    an injection pipe having a concave neck part, a head part and a body part, the head part having a male screw formed on an outer circumference and coupled with the female screw formed on an inner circumference of the bolt head part, and a female screw formed on an inner circumference thereof, the body part having a male screw formed on an outer circumference of an end thereof and coupled with the female screw formed on the inner circumference of the head part, the injection pipe being inserted into the hollow part of the bolt and the hollow part of the expanding tool when the insert and the bolt are coupled.    
     
     
         26 . A lightweight precast concrete composite reinforced panel for repairing and reinforcing a concrete body, the composite panel comprising: 
 a lightweight concrete layer formed by mixing one of perlite, filite, celite, ALC aggregate and ALC crusher run aggregate, cement and water; and    panel reinforcing means connected to a surface of the previously poured and hardened lightweight concrete layer of a panel type.    
     
     
         27 . A precast concrete composite reinforced panel for repairing and reinforcing a concrete body, the composite panel comprising: 
 a lower concrete layer formed by mixing sand for concrete, aggregate, cement and water and having a compression strength equal to or stronger than the concrete body to be reinforced;    a precast concrete panel made in such a manner that one of a reinforced glass fiber mesh, a wire and a steel bar is installed inside the lower concrete layer, and instantly, the same concrete as the lower concrete layer is poured on an upper portion; and    concrete body reinforcing means connected at a surface of the precast concrete panel.    
     
     
         28 . A precast concrete composite reinforced panel for repairing and reinforcing a concrete body, the composite panel comprising: 
 a lower concrete layer formed by mixing sand for concrete, aggregate, cement and water and having a compression strength equal to or stronger than the concrete body to be reinforced; and    a precast concrete panel made in such a manner that one of a reinforced glass fiber mesh, a wire and a steel bar is installed inside the lower concrete layer, and instantly, the same concrete as the lower concrete layer is poured on an upper portion;    wherein one of the reinforced glass fiber mesh, wire or steel bar is installed on a surface of the precast concrete panel, synthetic resin for high strength mortar and hardening agent are mixed, and the mixture is mixed with silica sand aggregate and poured and adhered.    
     
     
         29 . A precast concrete panel for repairing and reinforcing a concrete body, the precast concrete panel comprising: 
 a lower concrete layer having compression strength equal to or stronger than the concrete body and previously poured and hardened to be formed into a panel type;    one of extra thin two-way or one-way carbon fiber, prepreg one-way carbon fiber, glass fiber and aramide fiber impregnated on an upper surface of the lower concrete layer by means of epoxy resin and hardening agent; and    an upper concrete layer formed of the same material and in the same mixing rate as the lower concrete layer and adhered to the impregnated fiber by means of the epoxy resin and hardening agent, the upper concrete layer being previously poured and hardened to be formed into the panel type.    
     
     
         30 . A lightweight precast concrete composite reinforced panel for repairing and reinforcing a concrete body, the composite panel comprising: 
 a lower lightweight concrete layer formed by mixing one of perlite, filite, celite, ALC aggregate and ALC crusher run aggregate, cement and water;    panel reinforcing means adhered on an upper surface of the lower lightweight concrete layer; and    an upper lightweight concrete layer adhered on an upper surface of the panel reinforcing means and made of the same material as the lower lightweight concrete layer.    
     
     
         31 . The composite panel according to  claim 30 , wherein the panel reinforcing means impregnates and adheres one of prepreg one-way carbon fiber, extra thin one-way and two-way carbon fiber, aramide fiber and glass fiber between the previously poured and hardened upper and lower lightweight concrete layers of the panel type by means of epoxy resin and hardening agent.  
     
     
         32 . The composite panel according to  claim 30 , wherein the panel reinforcing means is formed in such a manner that one of a glass fiber mesh, a wire and a steel bar is covered on the upper surface of the lower lightweight concrete layer of the panel type, silica sands, epoxy resin for high strength mortar and hardening agent are mixed, the mixture is poured on the upper surface of the lower lightweight concrete layer to adhere the upper lightweight concrete layer of the panel type to the lower lightweight concrete layer.  
     
     
         33 . A method for repairing and reinforcing a concrete body having damaged part due to aging, material separation, neutralization and deterioration, the method comprising the steps of: 
 cutting the damaged part into a rectangle;    digging and removing concrete contained inside cut lines;    forming an anchor hole;    installing the multi-purpose anchor of  claim 25  and one of panels of  claim 26  through  claim 32  into the anchor hole;    sealing boundary parts between the panel and the broken concrete part with inorganic group sealing material or synthetic resin group sealing material;    forming a plurality of air discharge holes at an upper boundary part of the boundary parts;    injecting high strength synthetic resin by means of the multi-purpose anchor; and    finishing a surface of the panel with inorganic material.    
     
     
         34 . An anchor for adjusting the level of a panel and injecting, the anchor comprising: 
 a body part of a cylindrical shape and having a hollow part formed generally, the body part having a male screw formed on an outer circumference, a through hole formed at an end thereof and intersecting with the hollow part, and an angular protrusion formed at the other end having a female screw on an inner circumference of the hollow part;    a nut screwed with the male screw of the body part;    an injection pipe of a generally straw shape, the injection pipe having a male screw formed at an end thereof and screwed with the female screw of the body part; and    a clip having a cylindrical part and a ring part connected to the cylindrical part, the cylindrical part having a female screw formed on an inner circumference and screwed with the male screw of the body part.    
     
     
         35 . A method for repairing and reinforcing a concrete body in case that a concrete paved road has a damaged part, the method comprising the steps of: 
 preparing a precast concrete panel, which has a plurality of anchor holes for installing the anchor of  claim 34  and on which steel bars are arranged or not arranged;    cutting the damaged part into a rectangle;    digging and removing concrete contained inside cut lines;    coating epoxy mortar on the dug and removed concrete surface;    fixing the nut of the anchor of  claim 34  into the anchor hole of the precast concrete panel;    screwing the nut fixed into the anchor hole and the body part of the anchor of  claim 34  and arranging the precast concrete panels on the dug concrete road surface;    rotating the body part of the anchor to adjust the level of the panel;    sealing boundary parts between the panel and the concrete road surface with sealing material;    injecting and filling synthetic resin adhesive using a straw; and    removing the straw and sealing and finishing the anchor holes of the panel with inorganic group resin.